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Advances in steam turbines for modern power plants / / edited by Tadashi Tanuma
| Advances in steam turbines for modern power plants / / edited by Tadashi Tanuma |
| Autore | Tanuma Tadashi |
| Edizione | [1st edition] |
| Pubbl/distr/stampa | Waltham, MA : , : Elsevier, , [2017] |
| Descrizione fisica | 1 online resource (569 pages) : illustrations (some color) |
| Disciplina | 621.31/3 |
| Collana | Woodhead publishing energy series |
| Soggetto topico |
Steam-turbines
Power-plants |
| ISBN | 0-08-100325-0 |
| Formato | Materiale a stampa  |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Record Nr. | UNINA-9910583007603321 |
Tanuma Tadashi
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| Waltham, MA : , : Elsevier, , [2017] | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
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Concrete foundations for turbine generators : analysis, design, and construction / / Task Committee on Turbine Generator Foundations ; edited by Hongchun Liu, P.E
| Concrete foundations for turbine generators : analysis, design, and construction / / Task Committee on Turbine Generator Foundations ; edited by Hongchun Liu, P.E |
| Pubbl/distr/stampa | Reston, Virginia : , : American Society of Civil Engineers, , [2018] |
| Descrizione fisica | 1 online resource (267 pages) |
| Disciplina | 621.31/3 |
| Collana | ASCE Manuals and Reports on Engineering Practice |
| Soggetto topico |
Concrete footings - Design and construction
Steam-turbines - Foundations - Design and construction Turbogenerators - Foundations - Design and construction |
| Soggetto genere / forma | Electronic books. |
| ISBN |
1-5231-2005-3
0-7844-8109-1 |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Nota di contenuto | Introduction -- Turbine generator equipment -- Preliminary turbine-generator foundation layout and sizing -- Foundation loads and load combinations -- Modelling of the soil and pile response to dynamic loads -- Finite element modeling -- Serviceability analysis and acceptance criteria -- Strength and stability design -- Embedded items -- Vibration isolated foundations -- Construction considerations. |
| Record Nr. | UNINA-9910466892403321 |
| Reston, Virginia : , : American Society of Civil Engineers, , [2018] | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
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Converter applications and their influence on large electrical machines / / Oliver Drubel
| Converter applications and their influence on large electrical machines / / Oliver Drubel |
| Autore | Drubel Oliver |
| Edizione | [1st ed. 2013.] |
| Pubbl/distr/stampa | Heidelberg, Germany : , : Springer, , 2013 |
| Descrizione fisica | 1 online resource (x, 190 pages) : illustrations (some color) |
| Disciplina |
621.31/3
621.313 |
| Collana | Lecture Notes in Electrical Engineering |
| Soggetto topico | Electric current converters |
| ISBN | 3-642-36282-6 |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Nota di contenuto | Typical converter designs for electrical machines -- Calculation-methods for converter fed electrical machines -- Additional losses due to higher voltage harmonics -- Converter caused torque oscillations -- Noise based on electromagnetic sources in case of converter operation -- Converter caused shaft voltages -- Insulation strategies in converter driven machines -- Converter applications in typical examples of energy efficient pump systems and in processes with a strong overload characteristic. |
| Record Nr. | UNINA-9910437912103321 |
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Drubel Oliver
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| Heidelberg, Germany : , : Springer, , 2013 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
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Design and fabrication of self-powered micro-harvesters : rotating and vibrated micro-power systems / / C.T. Pan, Y.M. Hwang, Liwei Lin, and Ying-Chung Chen
| Design and fabrication of self-powered micro-harvesters : rotating and vibrated micro-power systems / / C.T. Pan, Y.M. Hwang, Liwei Lin, and Ying-Chung Chen |
| Autore | Pan C. T. |
| Pubbl/distr/stampa | Singapore : , : Wiley, IEEE, , 2014 |
| Descrizione fisica | 1 online resource (269 p.) |
| Disciplina | 621.31/3 |
| Soggetto topico |
Microharvesters (Microelectronics)
Piezoelectric transducers Electric machinery - Rotors |
| ISBN |
1-118-48782-6
1-118-48781-8 1-306-63896-8 |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Nota di contenuto | Machine generated contents note: About the Authors xi Preface xiii Acknowledgments xv 1 Introduction 1 1.1 Background 1 1.2 Energy Harvesters 2 1.2.1 Piezoelectric ZnO Energy Harvester 3 1.2.2 Vibrational Electromagnetic Generators 3 1.2.3 Rotary Electromagnetic Generators 4 1.2.4 NFES Piezoelectric PVDF Energy Harvester 4 1.3 Overview 5 2 Design and Fabrication of Flexible Piezoelectric Generators Based on ZnO Thin Films 7 2.1 Introduction 7 2.2 Characterization and Theoretical Analysis of Flexible ZnO-Based Piezoelectric Harvesters 10 2.2.1 Vibration Energy Conversion Model of Film-Based Flexible Piezoelectric Energy Harvester 10 2.2.2 Piezoelectricity and Polarity Test of Piezoelectric ZnO Thin Film 12 2.2.3 Optimal Thickness of PET Substrate 15 2.2.4 Model Solution of Cantilever Plate Equation 15 2.2.5 Vibration-Induced Electric Potential and Electric Power 18 2.2.6 Static Analysis to Calculate the Optimal Thickness of the PET Substrate 19 2.2.7 Model Analysis and Harmonic Analysis 21 2.2.8 Results of Model Analysis and Harmonic Analysis 23 2.3 The Fabrication of Flexible Piezoelectric ZnO Harvesters on PET Substrates 27 2.3.1 Bonding Process to Fabricate UV-Curable Resin Lump Structures on PET Substrates 27 2.3.2 Near-Field Electro-Spinning with Stereolithography Technique to Directly Write 3D UV-Curable Resin Patterns on PET Substrates 29 2.3.3 Sputtering of Al and ITO Conductive Thin Films on PET Substrates 29 2.3.4 Deposition of Piezoelectric ZnO Thin Films by Using RF Magnetron Sputtering 31 2.3.5 Testing a Single Energy Harvester under Resonant and Non-Resonant Conditions 34 2.3.6 Application of ZnO/PET-Based Generator to Flash Signal LED Module 39 2.3.7 Design and Performance of a Broad Bandwidth Energy Harvesting System 40 2.4 Fabrication and Performance of Flexible ZnO/SUS304-Based Piezoelectric Generators 48 2.4.1 Deposition of Piezoelectric ZnO Thin Films on Stainless Steel Substrates 48 2.4.2 Single-Sided ZnO/SUS304-Based Flexible Piezoelectric Generator 50 2.4.3 Double-Sided ZnO/SUS304-Based Flexible Piezoelectric Generator 51 2.4.4 Characterization of ZnO/SUS304-Based Flexible Piezoelectric Generators 52 2.4.5 Structural and Morphological Properties of Piezoelectric ZnO Thin Films on Stainless Steel Substrates 54 2.4.6 Analysis of Adhesion of ZnO Thin Films on Stainless Steel Substrates 56 2.4.7 Electrical Properties of Single-Sided ZnO/SUS304-Based Flexible Piezoelectric Generator 59 2.4.8 Characterization of Double-Sided ZnO/SUS304-Based Flexible Piezoelectric Generator: Analysis and Modification of Back Surface of SUS304 61 2.4.9 Electrical Properties of Double-Sided ZnO/SUS304-Based Piezoelectric Generator 63 2.5 Summary 66 References 67 3 Design and Fabrication of Vibration-Induced Electromagnetic Microgenerators 71 3.1 Introduction 71 3.2 Comparisons between MCTG and SMTG 74 3.2.1 Magnetic Core-Type Generator (MCTG) 74 3.2.2 Sided Magnet-Type Generator (SMTG) 76 3.3 Analysis of Electromagnetic Vibration-Induced Microgenerators 76 3.3.1 Design of Electromagnetic Vibration-Induced Microgenerators 77 3.3.2 Analysis Mode of the Microvibration Structure 78 3.3.3 Analysis Mode of Magnetic Field 81 3.3.4 Evaluation of Various Parameters of Power Output 84 3.4 Analytical Results and Discussion 88 3.4.1 Analysis of Bending Stress within the Supporting Beam of the Spiral Microspring 90 3.4.2 Finite Element Models for Magnetic Density Distribution 93 3.4.3 Power Output Evaluation 97 3.5 Fabrication of Microcoil for Microgenerator 103 3.5.1 Microspring and Induction Coil 103 3.5.2 Microspring and Magnet 105 3.6 Tests and Experiments 106 3.6.1 Measurement System 106 3.6.2 Measurement Results and Discussion 107 3.6.3 Comparison between Measured Results and Analytical Values 110 3.7 Conclusions 112 3.7.1 Analysis of Microgenerators and Vibration Mode and Simulation of the Magnetic Field 112 3.7.2 Fabrication of LTCC Microsensor 112 3.7.3 Measurement and Analysis Results 113 3.8 Summary 113 References 114 4 Design and Fabrication of Rotary Electromagnetic Microgenerator 117 4.1 Introduction 117 4.1.1 Piezoelectric, Thermoelectric, and Electrostatic Generators 119 4.1.2 Vibrational Electromagnetic Generators 119 4.1.3 Rotary Electromagnetic Generators 120 4.1.4 Generator Processes 121 4.1.5 Lithographie Galvanoformung Abformung Process 122 4.1.6 Winding Processes 123 4.1.7 LTCC 123 4.1.8 Printed Circuit Board Processes 124 4.1.9 Finite-Element Simulation and Analytical Solutions 126 4.2 Case 1: Winding Generator 126 4.2.1 Design 127 4.2.2 Analytical Formulation 132 4.2.3 Simulation 134 4.2.4 Fabrication Process 138 4.2.5 Results and Discussion (1) 139 4.2.6 Results and Discussion (2) 142 4.3 Case 2: LTCC Generator 146 4.3.1 Simulation 147 4.3.2 Analytical Theorem of Microgenerator Electromagnetism 148 4.3.3 Simplification 152 4.3.4 Analysis of Vector Magnetic Potential 153 4.3.5 Analytical Solutions for Power Generation 154 4.4 Fabrication 157 4.4.1 LTCC Process 157 4.4.2 Magnet Process 159 4.4.3 Measurement Set-up 160 4.5 Results and Discussion 162 4.5.1 Design 162 4.5.2 Analytical Solutions 168 4.5.3 Fabrication 170 References 178 5 Design and Fabrication of Electrospun PVDF Piezo-Energy Harvesters 183 5.1 Introduction 183 5.2 Fundamentals of Electrospinning Technology 187 5.2.1 Introduction to Electrospinning 187 5.2.2 Alignment and Assembly of Nanofibers 190 5.3 Near-Field Electrospinning 191 5.3.1 Introduction and Background 191 5.3.2 Principles of Operation 194 5.3.3 Process and Experiment 196 5.3.4 Summary 202 5.4 Continuous NFES 202 5.4.1 Introduction and Background 202 5.4.2 Principles of Operation 202 5.4.3 Controllability and Continuity 205 5.4.4 Process Characterization 208 5.4.5 Summary 211 5.5 Direct-Write Piezoelectric Nanogenerator 211 5.5.1 Introduction and Background 211 5.5.2 Polyvinylidene Fluoride 212 5.5.3 Theoretical Studies for Realization of Electrospun PVDF Nanofibers 213 5.5.4 Electrospinning of PVDF Nanofibers 216 5.5.5 Detailed Discussion of Process Parameters 219 5.5.6 Experimental Realization of PVDF Nanogenerator 223 5.5.7 Summary 241 5.6 Materials, Structure, and Operation of Nanogenerator with Future Prospects 241 5.6.1 Material and Structural Characteristics 241 5.6.2 Operation of Nanogenerator 243 5.6.3 Summary and Future Prospects 248 5.7 Case Study: Large-Array Electrospun PVDF Nanogenerators on a Flexible Substrate 248 5.7.1 Introduction and Background 248 5.7.2 Working Principle 249 5.7.3 Device Fabrication 249 5.7.4 Experimental Results 251 5.7.5 Summary 252 5.8 Conclusion 253 5.8.1 Near-Field Electrospinning 253 5.8.2 Continuous Near-Field Electrospinning 254 5.8.3 Direct-Write Piezoelectric PVDF 254 5.9 Future Directions 255 5.9.1 NFES Integrated Nanofiber Sensors 255 5.9.2 NFES One-Dimensional Sub-Wavelength Waveguide 256 5.9.3 NFES Biological Applications 257 5.9.4 Direct-Write Piezoelectric PVDF Nanogenerators 258 References 258 Index 265 . |
| Record Nr. | UNINA-9910140430403321 |
|
Pan C. T.
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| Singapore : , : Wiley, IEEE, , 2014 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
| ||
Design and fabrication of self-powered micro-harvesters : rotating and vibrated micro-power systems / / C.T. Pan, Y.M. Hwang, Liwei Lin, and Ying-Chung Chen
| Design and fabrication of self-powered micro-harvesters : rotating and vibrated micro-power systems / / C.T. Pan, Y.M. Hwang, Liwei Lin, and Ying-Chung Chen |
| Autore | Pan C. T. |
| Pubbl/distr/stampa | Singapore : , : Wiley, IEEE, , 2014 |
| Descrizione fisica | 1 online resource (269 p.) |
| Disciplina | 621.31/3 |
| Soggetto topico |
Microharvesters (Microelectronics)
Piezoelectric transducers Electric machinery - Rotors |
| ISBN |
1-118-48782-6
1-118-48781-8 1-306-63896-8 |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Nota di contenuto | Machine generated contents note: About the Authors xi Preface xiii Acknowledgments xv 1 Introduction 1 1.1 Background 1 1.2 Energy Harvesters 2 1.2.1 Piezoelectric ZnO Energy Harvester 3 1.2.2 Vibrational Electromagnetic Generators 3 1.2.3 Rotary Electromagnetic Generators 4 1.2.4 NFES Piezoelectric PVDF Energy Harvester 4 1.3 Overview 5 2 Design and Fabrication of Flexible Piezoelectric Generators Based on ZnO Thin Films 7 2.1 Introduction 7 2.2 Characterization and Theoretical Analysis of Flexible ZnO-Based Piezoelectric Harvesters 10 2.2.1 Vibration Energy Conversion Model of Film-Based Flexible Piezoelectric Energy Harvester 10 2.2.2 Piezoelectricity and Polarity Test of Piezoelectric ZnO Thin Film 12 2.2.3 Optimal Thickness of PET Substrate 15 2.2.4 Model Solution of Cantilever Plate Equation 15 2.2.5 Vibration-Induced Electric Potential and Electric Power 18 2.2.6 Static Analysis to Calculate the Optimal Thickness of the PET Substrate 19 2.2.7 Model Analysis and Harmonic Analysis 21 2.2.8 Results of Model Analysis and Harmonic Analysis 23 2.3 The Fabrication of Flexible Piezoelectric ZnO Harvesters on PET Substrates 27 2.3.1 Bonding Process to Fabricate UV-Curable Resin Lump Structures on PET Substrates 27 2.3.2 Near-Field Electro-Spinning with Stereolithography Technique to Directly Write 3D UV-Curable Resin Patterns on PET Substrates 29 2.3.3 Sputtering of Al and ITO Conductive Thin Films on PET Substrates 29 2.3.4 Deposition of Piezoelectric ZnO Thin Films by Using RF Magnetron Sputtering 31 2.3.5 Testing a Single Energy Harvester under Resonant and Non-Resonant Conditions 34 2.3.6 Application of ZnO/PET-Based Generator to Flash Signal LED Module 39 2.3.7 Design and Performance of a Broad Bandwidth Energy Harvesting System 40 2.4 Fabrication and Performance of Flexible ZnO/SUS304-Based Piezoelectric Generators 48 2.4.1 Deposition of Piezoelectric ZnO Thin Films on Stainless Steel Substrates 48 2.4.2 Single-Sided ZnO/SUS304-Based Flexible Piezoelectric Generator 50 2.4.3 Double-Sided ZnO/SUS304-Based Flexible Piezoelectric Generator 51 2.4.4 Characterization of ZnO/SUS304-Based Flexible Piezoelectric Generators 52 2.4.5 Structural and Morphological Properties of Piezoelectric ZnO Thin Films on Stainless Steel Substrates 54 2.4.6 Analysis of Adhesion of ZnO Thin Films on Stainless Steel Substrates 56 2.4.7 Electrical Properties of Single-Sided ZnO/SUS304-Based Flexible Piezoelectric Generator 59 2.4.8 Characterization of Double-Sided ZnO/SUS304-Based Flexible Piezoelectric Generator: Analysis and Modification of Back Surface of SUS304 61 2.4.9 Electrical Properties of Double-Sided ZnO/SUS304-Based Piezoelectric Generator 63 2.5 Summary 66 References 67 3 Design and Fabrication of Vibration-Induced Electromagnetic Microgenerators 71 3.1 Introduction 71 3.2 Comparisons between MCTG and SMTG 74 3.2.1 Magnetic Core-Type Generator (MCTG) 74 3.2.2 Sided Magnet-Type Generator (SMTG) 76 3.3 Analysis of Electromagnetic Vibration-Induced Microgenerators 76 3.3.1 Design of Electromagnetic Vibration-Induced Microgenerators 77 3.3.2 Analysis Mode of the Microvibration Structure 78 3.3.3 Analysis Mode of Magnetic Field 81 3.3.4 Evaluation of Various Parameters of Power Output 84 3.4 Analytical Results and Discussion 88 3.4.1 Analysis of Bending Stress within the Supporting Beam of the Spiral Microspring 90 3.4.2 Finite Element Models for Magnetic Density Distribution 93 3.4.3 Power Output Evaluation 97 3.5 Fabrication of Microcoil for Microgenerator 103 3.5.1 Microspring and Induction Coil 103 3.5.2 Microspring and Magnet 105 3.6 Tests and Experiments 106 3.6.1 Measurement System 106 3.6.2 Measurement Results and Discussion 107 3.6.3 Comparison between Measured Results and Analytical Values 110 3.7 Conclusions 112 3.7.1 Analysis of Microgenerators and Vibration Mode and Simulation of the Magnetic Field 112 3.7.2 Fabrication of LTCC Microsensor 112 3.7.3 Measurement and Analysis Results 113 3.8 Summary 113 References 114 4 Design and Fabrication of Rotary Electromagnetic Microgenerator 117 4.1 Introduction 117 4.1.1 Piezoelectric, Thermoelectric, and Electrostatic Generators 119 4.1.2 Vibrational Electromagnetic Generators 119 4.1.3 Rotary Electromagnetic Generators 120 4.1.4 Generator Processes 121 4.1.5 Lithographie Galvanoformung Abformung Process 122 4.1.6 Winding Processes 123 4.1.7 LTCC 123 4.1.8 Printed Circuit Board Processes 124 4.1.9 Finite-Element Simulation and Analytical Solutions 126 4.2 Case 1: Winding Generator 126 4.2.1 Design 127 4.2.2 Analytical Formulation 132 4.2.3 Simulation 134 4.2.4 Fabrication Process 138 4.2.5 Results and Discussion (1) 139 4.2.6 Results and Discussion (2) 142 4.3 Case 2: LTCC Generator 146 4.3.1 Simulation 147 4.3.2 Analytical Theorem of Microgenerator Electromagnetism 148 4.3.3 Simplification 152 4.3.4 Analysis of Vector Magnetic Potential 153 4.3.5 Analytical Solutions for Power Generation 154 4.4 Fabrication 157 4.4.1 LTCC Process 157 4.4.2 Magnet Process 159 4.4.3 Measurement Set-up 160 4.5 Results and Discussion 162 4.5.1 Design 162 4.5.2 Analytical Solutions 168 4.5.3 Fabrication 170 References 178 5 Design and Fabrication of Electrospun PVDF Piezo-Energy Harvesters 183 5.1 Introduction 183 5.2 Fundamentals of Electrospinning Technology 187 5.2.1 Introduction to Electrospinning 187 5.2.2 Alignment and Assembly of Nanofibers 190 5.3 Near-Field Electrospinning 191 5.3.1 Introduction and Background 191 5.3.2 Principles of Operation 194 5.3.3 Process and Experiment 196 5.3.4 Summary 202 5.4 Continuous NFES 202 5.4.1 Introduction and Background 202 5.4.2 Principles of Operation 202 5.4.3 Controllability and Continuity 205 5.4.4 Process Characterization 208 5.4.5 Summary 211 5.5 Direct-Write Piezoelectric Nanogenerator 211 5.5.1 Introduction and Background 211 5.5.2 Polyvinylidene Fluoride 212 5.5.3 Theoretical Studies for Realization of Electrospun PVDF Nanofibers 213 5.5.4 Electrospinning of PVDF Nanofibers 216 5.5.5 Detailed Discussion of Process Parameters 219 5.5.6 Experimental Realization of PVDF Nanogenerator 223 5.5.7 Summary 241 5.6 Materials, Structure, and Operation of Nanogenerator with Future Prospects 241 5.6.1 Material and Structural Characteristics 241 5.6.2 Operation of Nanogenerator 243 5.6.3 Summary and Future Prospects 248 5.7 Case Study: Large-Array Electrospun PVDF Nanogenerators on a Flexible Substrate 248 5.7.1 Introduction and Background 248 5.7.2 Working Principle 249 5.7.3 Device Fabrication 249 5.7.4 Experimental Results 251 5.7.5 Summary 252 5.8 Conclusion 253 5.8.1 Near-Field Electrospinning 253 5.8.2 Continuous Near-Field Electrospinning 254 5.8.3 Direct-Write Piezoelectric PVDF 254 5.9 Future Directions 255 5.9.1 NFES Integrated Nanofiber Sensors 255 5.9.2 NFES One-Dimensional Sub-Wavelength Waveguide 256 5.9.3 NFES Biological Applications 257 5.9.4 Direct-Write Piezoelectric PVDF Nanogenerators 258 References 258 Index 265 . |
| Record Nr. | UNINA-9910815169603321 |
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Pan C. T.
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| Singapore : , : Wiley, IEEE, , 2014 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
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Handbook of large turbo-generator operation and maintenance / / Geoff Klempner, Isidor Kerszenbaum
| Handbook of large turbo-generator operation and maintenance / / Geoff Klempner, Isidor Kerszenbaum |
| Autore | Klempner Geoff |
| Edizione | [2nd ed.] |
| Pubbl/distr/stampa | Piscataway, New Jersey : , : IEEE Press, , c2008 |
| Descrizione fisica | 1 online resource (882 p.) |
| Disciplina |
621.31/3
621.313 |
| Altri autori (Persone) |
KerszenbaumIsidor
KlempnerGeoff |
| Collana | IEEE Press series on power engineering |
| Soggetto topico | Turbogenerators |
| ISBN |
1-118-21040-9
1-282-30351-1 9786612303517 0-470-38276-7 0-470-38270-8 |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Nota di contenuto |
Preface -- Acknowledgments -- I. THEORY, CONSTRUCTION, AND OPERATION -- 1. Principles of Operation of Synchronous Machines -- 1.1 Introduction to Basic Notions on Electric Power -- 1.2 Electrical-Mechanical Equivalence -- 1.3 Alternating Current (ac) -- 1.4 Three-Phase Circuits -- 1.5 Basic Principles of Machine Operation -- 1.6 The Synchronous Machine -- 1.7 Basic Operation of the Synchronous Machine -- 2. Generator Design and Construction -- 2.1 Stator Core -- 2.2 Stator Frame -- 2.3 Flux and Armature Reaction -- 2.4 Electromagnetics -- 2.5 End-Region Effects and Flux Shielding -- 2.6 Stator Core and Frame Forces -- 2.7 Stator Windings -- 2.8 Stator Winding Wedges -- 2.9 End-Winding Support Systems -- 2.10 Stator Winding Configurations -- 2.11 Stator Terminal Connections -- 2.12 Rotor Forging -- 2.13 Rotor Winding -- 2.14 Rotor Winding Slot Wedges -- 2.15 Amor isseur winding -- 2.16 Retaining Rings -- 2.17 Bore Copper and Terminal Connectors -- 2.18 Slip-Collector Rings and Brush Gear -- 2.19 Rotor Shrink Coupling -- 2.20 Rotor Turning Gear -- 2.21 Bearings -- 2.22 Air and Hydrogen Cooling -- 2.23 Rotor Fans -- 2.24 Hydrogen Containment -- 2.25 Hydrogen Coolers -- References -- 3. Generator Auxiliary Systems -- 3.1 Lube-Oil System -- 3.2 Hydrogen Cooling System -- 3.3 Seal-Oil System -- 3.4 Stator Cooling Water System -- 3.5 Exciter Systems -- 4. Operation and Control -- 4.1 Basic Operating Parameters -- 4.2 Operating Modes -- 4.3 Machine Curves -- 4.4 Special Operating Conditions -- 4.5 Basic Operation Concepts -- 4.6 System Considerations -- 4.7 Grid-Induced Torsional Vibrations -- 4.8 Excitation and Voltage Regulation -- 4.9 Performance Curves -- 4.10 Sample of Generator Operating Instructions -- References -- 5. Monitoring and Diagnostics -- 5.1 Generator Monitoring Philosophies -- 5.2 Simple Monitoring with Static High-Level Alarm Limits -- 5.3 Dynamic Monitoring with Load-Varying Alarm Limits -- 5.4 Artificial Intelligence Diagnostic Systems -- 5.5 Monitored Parameters.
References -- 6. Generator Protector -- 6.1 Basic Protection Philosophy -- 6.2 Generator Protective Functions -- 6.3 Brief Description of Protective Functions -- 6.4 Specialized Protection Schemes -- 6.5 Tripping and Alarming Methods -- References -- II. INSPECTION, MAINTENANCE, AND TESTING -- 7. Inspection Practices and Methodology -- 7.1 Site Preparation -- 7.2 Experience and Training -- 7.3 Safety procedures--Electrical Clearances -- 7.4 Inspection Frequency -- 7.5 Generator Accessibility -- 7.6 Inspection Tools -- 7.7 Inspection Forms -- References -- 8. Stator Inspection -- 8.1 Stator Frame and Casing -- 8.2 Stator Core -- 8.3 Stator Windings -- 8.4 Phase Connectors and Terminals -- 8.5 Hydrogen Coolers -- References -- Additional Reading -- 9. Rotor Inspection -- 9.1 Rotor Cleanliness -- 9.2 Retaining Rings -- 9.3 Fretting/Movement at Interference Fit Surfaces of Wedges and Rings -- 9.4 Centering (Balance) Rings -- 9.5 Fan Rings or Hubs -- 9.6 Fan Blades -- 9.7 Bearings and Journals -- 9.8 Balance Weights and Bolts -- 9.9 End Wedges and Damper Windings -- 9.10 Other Wedges -- 9.11 Windings--General -- 9.12 Rotor Windings--Slot Region -- 9.13 End Windings and Main Leads -- 9.14 Collector Rings -- 9.15 Collector Ring Insulation -- 9.16 Bore Copper and Radial (Vertical) Terminal Stud Connectors -- 9.17 Brush-Spring Pressure and General Condition -- 9.18 Brush Rigging -- 9.19 Shaft Voltage Discharge (Grounding) Brushes -- 9.20 Rotor Winding Main Lead Hydrogen Sealing--Inner and Outer -- 9.21 Circumferential Pole Slots (Body Flex Slots) -- 9.22 Blocked Rotor Radial Vent Holes--Shifting of Winding and/or Insulation -- 9.23 Couplings and Coupling Bolts -- 9.24 Bearing Insulation -- 9.25 Hydrogen Seals -- 9.26 Rotor-Body Zone Rings -- 9.27 Rotor Removal -- References -- 10. Auxiliaries Inspection -- 10.1 Lube-Oil System -- 10.2 Hydrogen Cooling System -- 10.3 Seal-Oil System -- 10.4 Stator Cooling Water System -- 10.5 Exciters -- 11. Generator Maintenance Testing -- 11.1 Stator Core Mechanical tests. 11.2 Stator Core Electrical tests -- 11.3 Stator Winding Mechanical Tests -- 11.4 Water-Cooled Stator Winding Tests -- 11.5 Stator winding Electrical Tests -- 11.6 Rotor Mechanical Testing -- 11.7 Rotor Electrical Testing -- 11.8 Hydrogen Seals -- 11.9 Bearings -- 11.10 Thermal Sensitivity Testing and Analysis -- 11.11 Heat-Run Testing -- 11.12 Hydrogen Leak Detection -- References -- 12. Maintenance -- 12.1 General Maintenance Philosophies -- 12.2 Operational and Maintenance History -- 12.3 Maintenance Intervals/Frequency -- 12.4 Types of Maintenance -- 12.5 Work Site Location -- 12.6 Workforce -- 12.7 Spare Parts -- 12.8 Uprating -- 12.9 Long-Term Storage and Mothballing -- 12.10 Life Cycle Management (LCM) -- 12.11 Single Point Vulnerability (SPV) Analysis -- References -- Index. |
| Record Nr. | UNISA-996218718203316 |
|
Klempner Geoff
|
||
| Piscataway, New Jersey : , : IEEE Press, , c2008 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. di Salerno | ||
| ||
Operation and maintenance of large turbo generators / / Geoff Klempner, Isidor Kerszenbaum
| Operation and maintenance of large turbo generators / / Geoff Klempner, Isidor Kerszenbaum |
| Autore | Klempner Geoff |
| Pubbl/distr/stampa | Hoboken, New Jersey : , : John Wiley& Sons Pub., , c2004 |
| Descrizione fisica | 1 PDF (xxiii, 560 pages) : illustrations |
| Disciplina | 621.31/3 |
| Altri autori (Persone) | KerszenbaumIsidor |
| Collana | IEEE Press series on power engineering |
| Soggetto topico | Turbogenerators |
| ISBN |
1-280-55690-0
9786610556908 0-471-68337-X 1-60119-592-3 0-471-68338-8 |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Nota di contenuto |
PREFACE -- ACKNOWLEDGMENTS -- I THEORY, CONSTRUCTION, AND OPERATION -- 1 PRINCIPLES OF OPERATION OF SYNCHRONOUS MACHINES -- 1.1 Introduction to Basic Notions on Electric Power -- 1.2 Electrical--Mechanical Equivalence -- 1.3 Alternated Circuits (AC) -- 1.4 Three-Phase Circuits -- 1.5 Basic Principles of Machine Operation -- 1.6 The Synchronous Machine -- 1.7 Basic Operation of the Synchronous Machine -- 2 GENERATOR DESIGN AND CONSTRUCTION -- 2.1 Stator Core -- 2.2 Stator Frame -- 2.3 Flux and Armature Reaction -- 2.4 Electromagnetics -- 2.5 End-Region Effects and Flux Shielding -- 2.6 Stator Core and Frame Forces -- 2.7 Stator Windings -- 2.8 Stator Winding Wedges -- 2.9 End-Winding Support Systems -- 2.10 Stator Winding Configurations -- 2.11 Stator Terminal Connections -- 2.12 Rotor Forging -- 2.13 Rotor Winding -- 2.14 Rotor Winding Slot Wedges -- 2.15 Amortisseur Winding -- 2.16 Retaining-Rings -- 2.17 Bore Copper and Terminal Connectors -- 2.18 Slip-Collector Rings and Brush-Gear -- 2.19 Rotor Shrink Coupling -- 2.20 Rotor Turning Gear -- 2.21 Bearings -- 2.22 Air and Hydrogen Cooling -- 2.23 Rotor Fans -- 2.24 Hydrogen Containment -- 2.25 Hydrogen Coolers -- 3 GENERATOR AUXILIARY SYSTEMS -- 3.1 Lube-Oil System -- 3.2 Hydrogen Cooling System -- 3.3 Seal-Oil System -- 3.4 Stator Cooling Water System -- 3.5 Exciter Systems -- 4 OPERATION AND CONTROL -- 4.1 Basic Operating Parameters -- 4.2 Operating Modes -- 4.3 Machine Curves -- 4.4 Special Operating Conditions -- 4.5 Basic Operation Concepts -- 4.6 System Considerations -- 4.7 Excitation and Voltage Regulation -- 4.8 Performance Curves -- 4.9 Sample of Generator Operating Instructions -- References -- 5 MONITORING AND DIAGNOSTICS -- 5.1 Generator Monitoring Philosophies -- 5.2 Simple Monitoring with Static High-Level Alarm Limits -- 5.3 Dynamic Monitoring with Load-Varying Alarm Limits -- 5.4 Artificial Intelligence Diagnostic Systems -- 5.5 Monitored Parameters -- 6 GENERATOR PROTECTION -- 6.1 Basic Protection Philosophy.
6.2 Generator Protective Functions -- 6.3 Brief Description of Protective Functions -- 6.4 Specialized Protection Schemes -- 6.5 Tripping and Alarming Methods -- II INSPECTION, MAINTENANCE, AND TESTING -- 7 INSPECTION PRACTICES AND METHODOLOGY -- 7.1 Site Preparation -- 7.2 Experience and Training -- 7.3 Safety Procedures--Electrical Clearances -- 7.4 Inspection Frequency -- 7.5 Generator Accessibility -- 7.6 Inspection Tools -- 7.7 Inspection Forms -- 8 STATOR INSPECTION -- 8.1 Stator Frame and Casing -- 8.2 Stator Core -- 8.3 Stator Windings -- 8.4 Phase Connectors and Terminals -- 8.5 Hydrogen Coolers: Heat Exchanger Cleanliness and Leaks -- 9 ROTOR INSPECTION -- 9.1 Rotor Cleanliness -- 9.2 Retaining-Rings -- 9.3 Fretting/Movement at Interference-Fit Surfaces of Wedges and Rings -- 9.4 Centering (Balance) Rings -- 9.5 Fan-Rings or Hubs -- 9.6 Fan Blades -- 9.7 Bearings and Journals -- 9.8 Balance Weights and Bolts -- 9.9 End Wedges and Damper Windings -- 9.10 Other Wedges -- 9.11 End-Windings and Main Leads -- 9.12 Collector Rings -- 9.13 Collector Ring Insulation -- 9.14 Bore Copper and Radial (Vertical) Terminal Stud Connectors -- 9.15 Brush-Spring Pressure and General Condition -- 9.16 Brush-Rigging -- 9.17 Shaft Voltage Discharge (Grounding) Brushes -- 9.18 Rotor Winding Main Lead Hydrogen Sealing--Inner and Outer -- 9.19 Circumferential Pole Slots (Body Flex Slots) -- 9.20 Blocked Rotor Radial Vent Holes--Shifting of Winding and/or Insulation -- 9.21 Couplings and Coupling Bolts -- 9.22 Bearing Insulation -- 9.23 Hydrogen Seals -- 9.24 Rotor Body Zone Rings -- 10 AUXILIARIES INSPECTION -- 10.1 Lube-Oil System -- 10.2 Hydrogen Cooling System -- 10.3 Seal-Oil System -- 10.4 Stator Cooling Water System -- 10.5 Exciters -- 11 GENERATOR MAINTENANCE TESTING -- 11.1 Stator Core Mechanical Tests -- 11.2 Stator Core Electrical Tests -- 11.3 Stator Winding Mechanical Tests -- 11.4 Water-Cooled Stator Winding Tests -- 11.5 Stator Winding Electrical Tests -- 11.6 Rotor Mechanical Testing. 11.7 Rotor Electrical Testing -- 11.8 Hydrogen Seals -- 11.9 Bearings -- 11.10 Thermal Sensitivity Test and Analysis -- 12 MAINTENANCE -- 12.1 General Maintenance Philosophies -- 12.2 Operational and Maintenance History -- 12.3 Maintenance Intervals/Frequency -- 12.4 Type of Maintenance -- 12.5 Spare Parts -- INDEX. |
| Record Nr. | UNINA-9910146076103321 |
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Klempner Geoff
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| Hoboken, New Jersey : , : John Wiley& Sons Pub., , c2004 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
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Operation and maintenance of large turbo generators / / Geoff Klempner, Isidor Kerszenbaum
| Operation and maintenance of large turbo generators / / Geoff Klempner, Isidor Kerszenbaum |
| Autore | Klempner Geoff |
| Pubbl/distr/stampa | Hoboken, New Jersey : , : John Wiley& Sons Pub., , c2004 |
| Descrizione fisica | 1 PDF (xxiii, 560 pages) : illustrations |
| Disciplina | 621.31/3 |
| Altri autori (Persone) | KerszenbaumIsidor |
| Collana | IEEE Press series on power engineering |
| Soggetto topico | Turbogenerators |
| ISBN |
1-280-55690-0
9786610556908 0-471-68337-X 1-60119-592-3 0-471-68338-8 |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Nota di contenuto |
PREFACE -- ACKNOWLEDGMENTS -- I THEORY, CONSTRUCTION, AND OPERATION -- 1 PRINCIPLES OF OPERATION OF SYNCHRONOUS MACHINES -- 1.1 Introduction to Basic Notions on Electric Power -- 1.2 Electrical--Mechanical Equivalence -- 1.3 Alternated Circuits (AC) -- 1.4 Three-Phase Circuits -- 1.5 Basic Principles of Machine Operation -- 1.6 The Synchronous Machine -- 1.7 Basic Operation of the Synchronous Machine -- 2 GENERATOR DESIGN AND CONSTRUCTION -- 2.1 Stator Core -- 2.2 Stator Frame -- 2.3 Flux and Armature Reaction -- 2.4 Electromagnetics -- 2.5 End-Region Effects and Flux Shielding -- 2.6 Stator Core and Frame Forces -- 2.7 Stator Windings -- 2.8 Stator Winding Wedges -- 2.9 End-Winding Support Systems -- 2.10 Stator Winding Configurations -- 2.11 Stator Terminal Connections -- 2.12 Rotor Forging -- 2.13 Rotor Winding -- 2.14 Rotor Winding Slot Wedges -- 2.15 Amortisseur Winding -- 2.16 Retaining-Rings -- 2.17 Bore Copper and Terminal Connectors -- 2.18 Slip-Collector Rings and Brush-Gear -- 2.19 Rotor Shrink Coupling -- 2.20 Rotor Turning Gear -- 2.21 Bearings -- 2.22 Air and Hydrogen Cooling -- 2.23 Rotor Fans -- 2.24 Hydrogen Containment -- 2.25 Hydrogen Coolers -- 3 GENERATOR AUXILIARY SYSTEMS -- 3.1 Lube-Oil System -- 3.2 Hydrogen Cooling System -- 3.3 Seal-Oil System -- 3.4 Stator Cooling Water System -- 3.5 Exciter Systems -- 4 OPERATION AND CONTROL -- 4.1 Basic Operating Parameters -- 4.2 Operating Modes -- 4.3 Machine Curves -- 4.4 Special Operating Conditions -- 4.5 Basic Operation Concepts -- 4.6 System Considerations -- 4.7 Excitation and Voltage Regulation -- 4.8 Performance Curves -- 4.9 Sample of Generator Operating Instructions -- References -- 5 MONITORING AND DIAGNOSTICS -- 5.1 Generator Monitoring Philosophies -- 5.2 Simple Monitoring with Static High-Level Alarm Limits -- 5.3 Dynamic Monitoring with Load-Varying Alarm Limits -- 5.4 Artificial Intelligence Diagnostic Systems -- 5.5 Monitored Parameters -- 6 GENERATOR PROTECTION -- 6.1 Basic Protection Philosophy.
6.2 Generator Protective Functions -- 6.3 Brief Description of Protective Functions -- 6.4 Specialized Protection Schemes -- 6.5 Tripping and Alarming Methods -- II INSPECTION, MAINTENANCE, AND TESTING -- 7 INSPECTION PRACTICES AND METHODOLOGY -- 7.1 Site Preparation -- 7.2 Experience and Training -- 7.3 Safety Procedures--Electrical Clearances -- 7.4 Inspection Frequency -- 7.5 Generator Accessibility -- 7.6 Inspection Tools -- 7.7 Inspection Forms -- 8 STATOR INSPECTION -- 8.1 Stator Frame and Casing -- 8.2 Stator Core -- 8.3 Stator Windings -- 8.4 Phase Connectors and Terminals -- 8.5 Hydrogen Coolers: Heat Exchanger Cleanliness and Leaks -- 9 ROTOR INSPECTION -- 9.1 Rotor Cleanliness -- 9.2 Retaining-Rings -- 9.3 Fretting/Movement at Interference-Fit Surfaces of Wedges and Rings -- 9.4 Centering (Balance) Rings -- 9.5 Fan-Rings or Hubs -- 9.6 Fan Blades -- 9.7 Bearings and Journals -- 9.8 Balance Weights and Bolts -- 9.9 End Wedges and Damper Windings -- 9.10 Other Wedges -- 9.11 End-Windings and Main Leads -- 9.12 Collector Rings -- 9.13 Collector Ring Insulation -- 9.14 Bore Copper and Radial (Vertical) Terminal Stud Connectors -- 9.15 Brush-Spring Pressure and General Condition -- 9.16 Brush-Rigging -- 9.17 Shaft Voltage Discharge (Grounding) Brushes -- 9.18 Rotor Winding Main Lead Hydrogen Sealing--Inner and Outer -- 9.19 Circumferential Pole Slots (Body Flex Slots) -- 9.20 Blocked Rotor Radial Vent Holes--Shifting of Winding and/or Insulation -- 9.21 Couplings and Coupling Bolts -- 9.22 Bearing Insulation -- 9.23 Hydrogen Seals -- 9.24 Rotor Body Zone Rings -- 10 AUXILIARIES INSPECTION -- 10.1 Lube-Oil System -- 10.2 Hydrogen Cooling System -- 10.3 Seal-Oil System -- 10.4 Stator Cooling Water System -- 10.5 Exciters -- 11 GENERATOR MAINTENANCE TESTING -- 11.1 Stator Core Mechanical Tests -- 11.2 Stator Core Electrical Tests -- 11.3 Stator Winding Mechanical Tests -- 11.4 Water-Cooled Stator Winding Tests -- 11.5 Stator Winding Electrical Tests -- 11.6 Rotor Mechanical Testing. 11.7 Rotor Electrical Testing -- 11.8 Hydrogen Seals -- 11.9 Bearings -- 11.10 Thermal Sensitivity Test and Analysis -- 12 MAINTENANCE -- 12.1 General Maintenance Philosophies -- 12.2 Operational and Maintenance History -- 12.3 Maintenance Intervals/Frequency -- 12.4 Type of Maintenance -- 12.5 Spare Parts -- INDEX. |
| Record Nr. | UNINA-9910830090803321 |
|
Klempner Geoff
|
||
| Hoboken, New Jersey : , : John Wiley& Sons Pub., , c2004 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
| ||
PESC record
| PESC record |
| Pubbl/distr/stampa | [New York : , : Institute of Electrical and Electronics Engineers] |
| Disciplina | 621.31/3 |
| Soggetto topico |
Power electronics
Space vehicles - Auxiliary power supply Electricity in transportation |
| Soggetto genere / forma | Conference papers and proceedings. |
| ISSN | 1547-8483 |
| Formato | Materiale a stampa |
| Livello bibliografico | Periodico |
| Lingua di pubblicazione | eng |
| Altri titoli varianti | Power Electronics Specialists Conference record |
| Record Nr. | UNISA-996280937403316 |
| [New York : , : Institute of Electrical and Electronics Engineers] | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. di Salerno | ||
| ||
Piezoelectric energy harvesting [[electronic resource] /] / Alper Erturk, Daniel J. Inman
| Piezoelectric energy harvesting [[electronic resource] /] / Alper Erturk, Daniel J. Inman |
| Autore | Erturk Alper |
| Pubbl/distr/stampa | Chichester, : Wiley, 2011 |
| Descrizione fisica | 1 online resource (414 p.) |
| Disciplina | 621.31/3 |
| Altri autori (Persone) | InmanD. J |
| Soggetto topico |
Piezoelectric transducers
Electric generators Piezoelectricity Energy harvesting |
| ISBN |
1-283-40528-8
9786613405289 1-119-99116-1 1-119-99115-3 |
| Classificazione | TEC031000 |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Nota di contenuto |
PIEZOELECTRIC ENERGY HARVESTING; Contents; About the Authors; Preface; 1 Introduction to Piezoelectric Energy Harvesting; 1.1 Vibration-Based Energy Harvesting Using Piezoelectric Transduction; 1.2 An Example of a Piezoelectric Energy Harvesting System; 1.3 Mathematical Modeling of Piezoelectric Energy Harvesters; 1.4 Summary of the Theory of Linear Piezoelectricity; 1.5 Outline of the Book; References; 2 Base Excitation Problem for Cantilevered Structures and Correction of the Lumped-Parameter Electromechanical Model
2.1 Base Excitation Problem for the Transverse Vibrations of a Cantilevered Thin Beam 2.1.1 Response to General Base Excitation; 2.1.2 Steady-State Response to Harmonic Base Excitation; 2.1.3 Lumped-Parameter Model of the Harmonic Base Excitation Problem; 2.1.4 Comparison of the Distributed-Parameter and the Lumped-Parameter Model Predictions; 2.2 Correction of the Lumped-Parameter Base Excitation Model for Transverse Vibrations; 2.2.1 Correction Factor for the Lumped-Parameter Model; 2.2.2 Effect of a Tip Mass on the Correction Factor 2.3 Experimental Case Studies for Validation of the Correction Factor 2.3.1 Cantilevered Beam without a Tip Mass under Base Excitation; 2.3.2 Cantilevered Beam with a Tip Mass under Base Excitation; 2.4 Base Excitation Problem for Longitudinal Vibrations and Correction of its Lumped-Parameter Model; 2.4.1 Analytical Modal Analysis and Steady-State Response to Harmonic Base Excitation; 2.4.2 Correction Factor for Longitudinal Vibrations; 2.5 Correction Factor in the Electromechanically Coupled Lumped-Parameter Equations and a Theoretical Case Study 2.5.1 An Electromechanically Coupled Lumped-Parameter Model for Piezoelectric Energy Harvesting2.5.2 Correction Factor in the Electromechanically Coupled Lumped-Parameter Model and a Theoretical Case Study; 2.6 Summary; 2.7 Chapter Notes; References; 3 Analytical Distributed-Parameter Electromechanical Modeling of Cantilevered Piezoelectric Energy Harvesters; 3.1 Fundamentals of the Electromechanically Coupled Distributed-Parameter Model; 3.1.1 Modeling Assumptions and Bimorph Configurations; 3.1.2 Coupled Mechanical Equation and Modal Analysis of Bimorph Cantilevers 3.1.3 Coupled Electrical Circuit Equation of a Thin Piezoceramic Layer under Dynamic Bending3.2 Series Connection of the Piezoceramic Layers; 3.2.1 Coupled Beam Equation in Modal Coordinates; 3.2.2 Coupled Electrical Circuit Equation; 3.2.3 Closed-Form Voltage Response and Vibration Response at Steady State; 3.3 Parallel Connection of the Piezoceramic Layers; 3.3.1 Coupled Beam Equation in Modal Coordinates; 3.3.2 Coupled Electrical Circuit Equation; 3.3.3 Closed-Form Voltage Response and Vibration Response at Steady State 3.4 Equivalent Representation of the Series and the Parallel Connection Cases |
| Record Nr. | UNINA-9910130877703321 |
|
Erturk Alper
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||
| Chichester, : Wiley, 2011 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
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