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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
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
Materiale a stampa
Lo trovi qui: Univ. Federico II
Opac: Controlla la disponibilità qui
Arcjet cathode phenomena [[electronic resource] /] / Francis M. Curran and Thomas W. Haag and John F. Raquet
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  
[Washington, D.C.] : , : National Aeronautics and Space Administration, , [1989]
Materiale a stampa
Lo trovi qui: Univ. Federico II
Opac: Controlla la disponibilità qui
Binomial test method for determining probability of detection capability for fracture critical applications [[electronic resource] /] / Edward R. Generazio
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  
Hampton, Va. : , : National Aeronautics and Space Administration, Langley Research Center, , [2011]
Materiale a stampa
Lo trovi qui: Univ. Federico II
Opac: Controlla la disponibilità qui
Fault detection [[electronic resource] ] : theory, methods and systems / / Lea M. Simon, editor
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
Materiale a stampa
Lo trovi qui: Univ. Federico II
Opac: Controlla la disponibilità qui
Fault detection [[electronic resource] ] : theory, methods and systems / / Lea M. Simon, editor
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
Materiale a stampa
Lo trovi qui: Univ. Federico II
Opac: Controlla la disponibilità qui
Fault detection [[electronic resource] ] : theory, methods and systems / / Lea M. Simon, editor
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
Materiale a stampa
Lo trovi qui: Univ. Federico II
Opac: Controlla la disponibilità qui
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
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  
Huntsville, Ala. : , : National Aeronautics and Space Administration, George C. Marshall Space Flight Center, Materials and Processes Laboratory, Science and Engineering Directorate, , [1986]
Materiale a stampa
Lo trovi qui: Univ. Federico II
Opac: Controlla la disponibilità qui
Unit-sphere anisotropic multiaxial stochastic-strength model probability density distribution for the orientation of critical flaws / / Noel N. Nemeth
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.  
Cleveland, Ohio : , : National Aeronautics and Space Administration, Glenn Research Center, , September 2013
Materiale a stampa
Lo trovi qui: Univ. Federico II
Opac: Controlla la disponibilità qui