11th Workshop on Crystalline Silicon Solar Cell Materials and Processes : August 19-22, 2001, Holiday Inn, Estes Park, Colorado : extended abstracts and papers / / workshop chairman/editor: B.L. Sopori |
Pubbl/distr/stampa | Golden, Colo. : , : National Renewable Energy Laboratory, , August 2001 |
Descrizione fisica | 1 online resource (304 pages) : illustrations |
Collana | NREL/BK |
Soggetto topico |
Silicon - Defects
Crystal growth Energy Accounting Silicon Solar Cells Fabrication Silicon Mechanical Properties Impurities Contractors Gettering Manufacturing Passivation Defects Solar Cells Microelectronics |
Soggetto genere / forma | Conference papers and proceedings. |
Soggetto non controllato | Si Solar Cell - Crystalline Solar Cell - Materials And Processes |
Formato | Materiale a stampa ![]() |
Livello bibliografico | Monografia |
Lingua di pubblicazione | eng |
Altri titoli varianti | 11th Workshop on Crystalline Silicon Solar Cell Materials and Processes |
Record Nr. | UNINA-9910706546503321 |
Golden, Colo. : , : National Renewable Energy Laboratory, , August 2001 | ||
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Lo trovi qui: Univ. Federico II | ||
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Arcjet cathode phenomena [[electronic resource] /] / Francis M. Curran and Thomas W. Haag and John F. Raquet |
Autore | Curran Francis M |
Pubbl/distr/stampa | [Washington, D.C.] : , : National Aeronautics and Space Administration, , [1989] |
Descrizione fisica | 15 pages : digital, PDF file |
Altri autori (Persone) |
HaagThomas W
RaquetJohn F |
Collana | NASA technical memorandum |
Soggetto topico |
Arc jet engines
Cathodes Cracks Defects Surface properties Thermal degradation Voids |
Formato | Materiale a stampa ![]() |
Livello bibliografico | Monografia |
Lingua di pubblicazione | eng |
Record Nr. | UNINA-9910698090403321 |
Curran Francis M
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[Washington, D.C.] : , : National Aeronautics and Space Administration, , [1989] | ||
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Lo trovi qui: Univ. Federico II | ||
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Binomial test method for determining probability of detection capability for fracture critical applications [[electronic resource] /] / Edward R. Generazio |
Autore | Generazio Edward R |
Pubbl/distr/stampa | Hampton, Va. : , : National Aeronautics and Space Administration, Langley Research Center, , [2011] |
Descrizione fisica | 1 online resource (33 pages) : illustrations (some color) |
Altri autori (Persone) | NorburyJohn W |
Collana | NASA/TP |
Soggetto topico |
Probability theory
Experiment design Detection Nondestructive tests Defects |
Formato | Materiale a stampa ![]() |
Livello bibliografico | Monografia |
Lingua di pubblicazione | eng |
Record Nr. | UNINA-9910701449803321 |
Generazio Edward R
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Hampton, Va. : , : National Aeronautics and Space Administration, Langley Research Center, , [2011] | ||
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Lo trovi qui: Univ. Federico II | ||
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Fault detection [[electronic resource] ] : theory, methods and systems / / Lea M. Simon, editor |
Pubbl/distr/stampa | New York, : Nova Science Publishers, c2011 |
Descrizione fisica | 1 online resource (316 p.) |
Disciplina | 620/.0044 |
Altri autori (Persone) | SimonLea M |
Collana | Engineering tools, techniques and tables |
Soggetto topico |
Defects
Fault location (Engineering) |
Soggetto genere / forma | Electronic books. |
ISBN | 1-61728-441-6 |
Formato | Materiale a stampa ![]() |
Livello bibliografico | Monografia |
Lingua di pubblicazione | eng |
Nota di contenuto |
""FAULT DETECTION: THEORY, METHODS AND SYSTEMS ""; ""FAULT DETECTION: THEORY, METHODS AND SYSTEMS""; ""CONTENTS ""; ""PREFACE ""; ""ADVANCED SYSTEM FOR AUTOMATICALLY DETECTING FAULTS OCCURRING IN BEARINGS ""; ""Abstract ""; ""Section 1. Introduction ""; ""1.1. The Background of Machinery Fault Detection ""; ""1.2. The Motivation to Develop an Automatic System for Detecting Bearing Faults ""; ""1.3. The Review of the Maintenance Approaches ""; ""1.3.1. The Run-to-Breakdown Approach ""; ""1.3.2. The Time-Based Preventive Maintenance Approach ""
""1.3.3. The Condition-Based Maintenance Approach """"1.3.4. The Advantages for Adopting the Conditional-based Maintenance Approach ""; ""Section 2. The Review of the Machinery Fault Detection Methodology ""; ""2.1. Transducer Used for Measuring Vibration Signal ""; ""2.2. Vibration Measurement ""; ""2.3. Vibration Trend ""; ""2.4. The Introduction of Fast Fourier Transform (FFT) ""; ""2.4.1. The Principal of Fast Fourier Transform ""; ""2.4.2. The Limitations of the Existing FFT ""; ""2.5. The Introduction of Wavelet Transform ""; ""2.5.1. The Principal of Wavelet Transform "" ""2.5.2. The Limitations of Existing Wavelet Transform """"2.6. The Introduction of the Reassignment Wavelet Transform ""; ""2.6.1. The Principal of Reassignment ""; ""2.6.2. The Definition of Reassignment Wavelet Transform ""; ""2.7. The Use of the Higher Order Statistics in Machinery Fault Detection ""; ""2.7.1. Kurtosis ""; ""2.7.2. Spectral Kurtosis ""; ""2.7.3. Root Mean Square ""; ""2.7.4. The Rationale of Proposing a Novel Spectral RMS x Kurtosis for Effective Bearing Fault Detection ""; ""2.7.5. Spectral RMS x Kurtosis "" ""2.8. The Evolution of Reassignment Wavelet Based Spectrum RMS X Kurtosis """"Section 3. The Design of the Virtual Based Automatic Fault Detection System ""; ""3.1. Development of a Single Tasked Data Acquisition Program ""; ""3.2. Implementation of the Reassignment Wavelet Analysis ""; ""3.3. Screen Flow Design and Functionality ""; ""3.4. Time Domain Analysis ""; ""3.5. Data Storage and Extraction ""; ""3.6. The Layout of the Hardware Configuration ""; ""Section 4. Experiment on Laboratory Machinery Fault Simulator ""; ""4.1. The Bearing Fault Demonstrator "" ""4.2. The Rolling Element Bearings """"4.3. Artificially Induced Bearing Defects ""; ""4.4. A Comparison Study of Conventional Wavelet and Reassignment Wavelet ""; ""4.5. Bearing Fault Detection by Using RMS and Kurtosis ""; ""4.6. Detection of a Normal Condition Signal and Motor Signature ""; ""4.7. The Analysis of the Bearing Signal Collected from a Bearing with a Ball Defect ""; ""4.8. The Analysis of Bearing Signals Collected from Bearings with Outer Race and Inner Race Defects ""; ""4.9. Experimental Analysis with Computer Generated Noise Simulation "" ""Section 5. Experiments on Industrial Machines "" |
Record Nr. | UNINA-9910461363603321 |
New York, : Nova Science Publishers, c2011 | ||
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Lo trovi qui: Univ. Federico II | ||
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Fault detection [[electronic resource] ] : theory, methods and systems / / Lea M. Simon, editor |
Pubbl/distr/stampa | New York, : Nova Science Publishers, c2011 |
Descrizione fisica | 1 online resource (316 p.) |
Disciplina | 620/.0044 |
Altri autori (Persone) | SimonLea M |
Collana | Engineering tools, techniques and tables |
Soggetto topico |
Defects
Fault location (Engineering) |
ISBN | 1-61728-441-6 |
Formato | Materiale a stampa ![]() |
Livello bibliografico | Monografia |
Lingua di pubblicazione | eng |
Nota di contenuto |
""FAULT DETECTION: THEORY, METHODS AND SYSTEMS ""; ""FAULT DETECTION: THEORY, METHODS AND SYSTEMS""; ""CONTENTS ""; ""PREFACE ""; ""ADVANCED SYSTEM FOR AUTOMATICALLY DETECTING FAULTS OCCURRING IN BEARINGS ""; ""Abstract ""; ""Section 1. Introduction ""; ""1.1. The Background of Machinery Fault Detection ""; ""1.2. The Motivation to Develop an Automatic System for Detecting Bearing Faults ""; ""1.3. The Review of the Maintenance Approaches ""; ""1.3.1. The Run-to-Breakdown Approach ""; ""1.3.2. The Time-Based Preventive Maintenance Approach ""
""1.3.3. The Condition-Based Maintenance Approach """"1.3.4. The Advantages for Adopting the Conditional-based Maintenance Approach ""; ""Section 2. The Review of the Machinery Fault Detection Methodology ""; ""2.1. Transducer Used for Measuring Vibration Signal ""; ""2.2. Vibration Measurement ""; ""2.3. Vibration Trend ""; ""2.4. The Introduction of Fast Fourier Transform (FFT) ""; ""2.4.1. The Principal of Fast Fourier Transform ""; ""2.4.2. The Limitations of the Existing FFT ""; ""2.5. The Introduction of Wavelet Transform ""; ""2.5.1. The Principal of Wavelet Transform "" ""2.5.2. The Limitations of Existing Wavelet Transform """"2.6. The Introduction of the Reassignment Wavelet Transform ""; ""2.6.1. The Principal of Reassignment ""; ""2.6.2. The Definition of Reassignment Wavelet Transform ""; ""2.7. The Use of the Higher Order Statistics in Machinery Fault Detection ""; ""2.7.1. Kurtosis ""; ""2.7.2. Spectral Kurtosis ""; ""2.7.3. Root Mean Square ""; ""2.7.4. The Rationale of Proposing a Novel Spectral RMS x Kurtosis for Effective Bearing Fault Detection ""; ""2.7.5. Spectral RMS x Kurtosis "" ""2.8. The Evolution of Reassignment Wavelet Based Spectrum RMS X Kurtosis """"Section 3. The Design of the Virtual Based Automatic Fault Detection System ""; ""3.1. Development of a Single Tasked Data Acquisition Program ""; ""3.2. Implementation of the Reassignment Wavelet Analysis ""; ""3.3. Screen Flow Design and Functionality ""; ""3.4. Time Domain Analysis ""; ""3.5. Data Storage and Extraction ""; ""3.6. The Layout of the Hardware Configuration ""; ""Section 4. Experiment on Laboratory Machinery Fault Simulator ""; ""4.1. The Bearing Fault Demonstrator "" ""4.2. The Rolling Element Bearings """"4.3. Artificially Induced Bearing Defects ""; ""4.4. A Comparison Study of Conventional Wavelet and Reassignment Wavelet ""; ""4.5. Bearing Fault Detection by Using RMS and Kurtosis ""; ""4.6. Detection of a Normal Condition Signal and Motor Signature ""; ""4.7. The Analysis of the Bearing Signal Collected from a Bearing with a Ball Defect ""; ""4.8. The Analysis of Bearing Signals Collected from Bearings with Outer Race and Inner Race Defects ""; ""4.9. Experimental Analysis with Computer Generated Noise Simulation "" ""Section 5. Experiments on Industrial Machines "" |
Record Nr. | UNINA-9910789912603321 |
New York, : Nova Science Publishers, c2011 | ||
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Lo trovi qui: Univ. Federico II | ||
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Fault detection [[electronic resource] ] : theory, methods and systems / / Lea M. Simon, editor |
Pubbl/distr/stampa | New York, : Nova Science Publishers, c2011 |
Descrizione fisica | 1 online resource (316 p.) |
Disciplina | 620/.0044 |
Altri autori (Persone) | SimonLea M |
Collana | Engineering tools, techniques and tables |
Soggetto topico |
Defects
Fault location (Engineering) |
ISBN | 1-61728-441-6 |
Formato | Materiale a stampa ![]() |
Livello bibliografico | Monografia |
Lingua di pubblicazione | eng |
Nota di contenuto |
""FAULT DETECTION: THEORY, METHODS AND SYSTEMS ""; ""FAULT DETECTION: THEORY, METHODS AND SYSTEMS""; ""CONTENTS ""; ""PREFACE ""; ""ADVANCED SYSTEM FOR AUTOMATICALLY DETECTING FAULTS OCCURRING IN BEARINGS ""; ""Abstract ""; ""Section 1. Introduction ""; ""1.1. The Background of Machinery Fault Detection ""; ""1.2. The Motivation to Develop an Automatic System for Detecting Bearing Faults ""; ""1.3. The Review of the Maintenance Approaches ""; ""1.3.1. The Run-to-Breakdown Approach ""; ""1.3.2. The Time-Based Preventive Maintenance Approach ""
""1.3.3. The Condition-Based Maintenance Approach """"1.3.4. The Advantages for Adopting the Conditional-based Maintenance Approach ""; ""Section 2. The Review of the Machinery Fault Detection Methodology ""; ""2.1. Transducer Used for Measuring Vibration Signal ""; ""2.2. Vibration Measurement ""; ""2.3. Vibration Trend ""; ""2.4. The Introduction of Fast Fourier Transform (FFT) ""; ""2.4.1. The Principal of Fast Fourier Transform ""; ""2.4.2. The Limitations of the Existing FFT ""; ""2.5. The Introduction of Wavelet Transform ""; ""2.5.1. The Principal of Wavelet Transform "" ""2.5.2. The Limitations of Existing Wavelet Transform """"2.6. The Introduction of the Reassignment Wavelet Transform ""; ""2.6.1. The Principal of Reassignment ""; ""2.6.2. The Definition of Reassignment Wavelet Transform ""; ""2.7. The Use of the Higher Order Statistics in Machinery Fault Detection ""; ""2.7.1. Kurtosis ""; ""2.7.2. Spectral Kurtosis ""; ""2.7.3. Root Mean Square ""; ""2.7.4. The Rationale of Proposing a Novel Spectral RMS x Kurtosis for Effective Bearing Fault Detection ""; ""2.7.5. Spectral RMS x Kurtosis "" ""2.8. The Evolution of Reassignment Wavelet Based Spectrum RMS X Kurtosis """"Section 3. The Design of the Virtual Based Automatic Fault Detection System ""; ""3.1. Development of a Single Tasked Data Acquisition Program ""; ""3.2. Implementation of the Reassignment Wavelet Analysis ""; ""3.3. Screen Flow Design and Functionality ""; ""3.4. Time Domain Analysis ""; ""3.5. Data Storage and Extraction ""; ""3.6. The Layout of the Hardware Configuration ""; ""Section 4. Experiment on Laboratory Machinery Fault Simulator ""; ""4.1. The Bearing Fault Demonstrator "" ""4.2. The Rolling Element Bearings """"4.3. Artificially Induced Bearing Defects ""; ""4.4. A Comparison Study of Conventional Wavelet and Reassignment Wavelet ""; ""4.5. Bearing Fault Detection by Using RMS and Kurtosis ""; ""4.6. Detection of a Normal Condition Signal and Motor Signature ""; ""4.7. The Analysis of the Bearing Signal Collected from a Bearing with a Ball Defect ""; ""4.8. The Analysis of Bearing Signals Collected from Bearings with Outer Race and Inner Race Defects ""; ""4.9. Experimental Analysis with Computer Generated Noise Simulation "" ""Section 5. Experiments on Industrial Machines "" |
Record Nr. | UNINA-9910813229103321 |
New York, : Nova Science Publishers, c2011 | ||
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Lo trovi qui: Univ. Federico II | ||
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On the determination of the origin of linear anomaly in the macrostructure of VPPA welded 2219-T87 aluminum alloy [[electronic resource] ] : preliminary report / / by W. A. Jemian |
Autore | Jemian W. A |
Pubbl/distr/stampa | Huntsville, Ala. : , : National Aeronautics and Space Administration, George C. Marshall Space Flight Center, Materials and Processes Laboratory, Science and Engineering Directorate, , [1986] |
Descrizione fisica | 1 online resource (v, 23 pages) : illustrations |
Collana | NASA contractor report |
Soggetto topico |
Aluminum alloys
Anomalies Defects Fine structure Linearity Plasma arc welding Polarity Variability Weld tests |
Formato | Materiale a stampa ![]() |
Livello bibliografico | Monografia |
Lingua di pubblicazione | eng |
Altri titoli varianti | On the determination of the origin of linear anomaly in the macrostructure of VPPA welded 2219-T87 aluminum alloy |
Record Nr. | UNINA-9910701805603321 |
Jemian W. A
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Huntsville, Ala. : , : National Aeronautics and Space Administration, George C. Marshall Space Flight Center, Materials and Processes Laboratory, Science and Engineering Directorate, , [1986] | ||
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Lo trovi qui: Univ. Federico II | ||
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Unit-sphere anisotropic multiaxial stochastic-strength model probability density distribution for the orientation of critical flaws / / Noel N. Nemeth |
Autore | Nemeth Noel N. |
Pubbl/distr/stampa | Cleveland, Ohio : , : National Aeronautics and Space Administration, Glenn Research Center, , September 2013 |
Descrizione fisica | 1 online resource (38 pages) : illustrations (some color) |
Collana | NASA/TM |
Soggetto topico |
Anisotropy
Attitude (inclination) Axial loads Cracking (fracturing) Defects Failure modes Probability density functions |
Formato | Materiale a stampa ![]() |
Livello bibliografico | Monografia |
Lingua di pubblicazione | eng |
Record Nr. | UNINA-9910702431603321 |
Nemeth Noel N.
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Cleveland, Ohio : , : National Aeronautics and Space Administration, Glenn Research Center, , September 2013 | ||
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Lo trovi qui: Univ. Federico II | ||
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