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Concentration fluctuations and averaging time in vapor clouds [[electronic resource] /] / David J. Wilson
| Concentration fluctuations and averaging time in vapor clouds [[electronic resource] /] / David J. Wilson |
| Autore | Wilson David J |
| Pubbl/distr/stampa | New York, : Center for Chemical Process Safety of the American Institute of Chemical Engineers, 1995 |
| Descrizione fisica | 1 online resource (201 p.) |
| Disciplina |
533
660 |
| Soggetto topico |
Vapors - Mathematical models
Fluctuations (Physics) - Mathematical models Atmospheric diffusion - Mathematical models Atmospheric turbulence - Mathematical models Hazardous substances - Risk assessment Industrial safety |
| Soggetto genere / forma | Electronic books. |
| ISBN |
1-282-81726-4
9786612817267 0-470-93797-1 1-60119-004-2 0-470-93796-3 |
| Formato | Materiale a stampa  |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Nota di contenuto |
Concentration Fluctuations and Averaging Time in Vapor Clouds; Contents; PREFACE; ACKNOWLEDGMENTS; 1. Background and Objectives; 2. Sampling and Averaging Time Definitions; Calculating Mass-Weighted Sampling Time; Effective Sampling Time ts,a for Block Time Averages; 3. Effect of Averaging Time on Mean Calculations; Ensemble Averaging and Zero Sample Time Meandering; Field Data for Sampling and Averaging Time Effects; Plume Spread Sampling Time Effects Deduced from Velocity Fluctuation Statistics; Measurement of Crosswind-Velocity Sampling Time Exponent pv
Averaging Time Effects on Plume Spread σyRandom Force Model for Sampling Time Effects on Crosswind Spread; Comparing the Random Force Model to CONDORS Data; Comparing the Random Force Model with σy ~ ts0.2; 4. Concentration Fluctuation Modeling; Overview; Types of Concentration Fluctuation Models; Conditional Statistics for Fluctuation Calculations; Wind Tunnel Simulation versus Field Testing for Model Validation; 5. Probability Distributions; Exponential Probability Distribution; Clipped-Normal Probability Distribution; Log-Normal Probability Distribution; Gamma Probability Distribution Recommended Probability Distribution and Conditional Intensity Functions6. Release Height and Source Size Effects on Fluctuation Intensity; Internal Fluctuations in Jets and Plumes with No Meandering; Fluctuation Intensity in Meandering Plumes from Ground Level Releases; Meandering Plume Models for Source Size Effects on Elevated Releases; Comparison with Chatwin and Sullivan's Similarity Model; Release Momentum Effects on Source Size; Fluctuations Near the Ground: Dissipation by Wind Shear; Terrain Roughness, Atmospheric Stability, and Compatibility with Existing Hazard Assessment Models 7. Source Density Effects on FluctuationsDense Plumes; Buoyant Plumes; 8. Buildings and Obstacles; Modeling Concentration Fluctuations in Building Wakes; 9. Threshold Crossing and Peak Levels; Time Sequence versus Ensemble Repeat Averages; 10. Framework for an Operational Model; Adjusting Mean Concentration for Averaging Time; Concentration Fluctuation Statistics; Concentration Fluctuation Intensity; Fraction of Time Threshold Concentration Is Exceeded; Once-per-Event Peak Concentration; Summary Appendix A Averaging and Sampling Time Effects on Plume Spread Velocity and Concentration FluctuationsInertialess Fluctuation Spectrum; Concentration Fluctuations; Power Law Exponent qc for Averaging Time; Effect of Averaging Time on Concentration Variance; Effect of Sampling Time on Concentration Variance; Power Law Exponent pc for Increased Sampling Time; Velocity Fluctuations; Sampling Time Effects on Crosswind Velocity Variance; Sampling Time Effects for the Transverse Isotropic Spectrum; Averaging Time Effects for Finite Sampling Time; Gifford's Random Force Model for σy Wilson's Power Law Approximation to Gifford's Random Force Model |
| Record Nr. | UNINA-9910142396103321 |
Wilson David J
|
||
| New York, : Center for Chemical Process Safety of the American Institute of Chemical Engineers, 1995 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
| ||
Concentration fluctuations and averaging time in vapor clouds [[electronic resource] /] / David J. Wilson
| Concentration fluctuations and averaging time in vapor clouds [[electronic resource] /] / David J. Wilson |
| Autore | Wilson David J |
| Pubbl/distr/stampa | New York, : Center for Chemical Process Safety of the American Institute of Chemical Engineers, 1995 |
| Descrizione fisica | 1 online resource (201 p.) |
| Disciplina |
533
660 |
| Soggetto topico |
Vapors - Mathematical models
Fluctuations (Physics) - Mathematical models Atmospheric diffusion - Mathematical models Atmospheric turbulence - Mathematical models Hazardous substances - Risk assessment Industrial safety |
| ISBN |
1-282-81726-4
9786612817267 0-470-93797-1 1-60119-004-2 0-470-93796-3 |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Nota di contenuto |
Concentration Fluctuations and Averaging Time in Vapor Clouds; Contents; PREFACE; ACKNOWLEDGMENTS; 1. Background and Objectives; 2. Sampling and Averaging Time Definitions; Calculating Mass-Weighted Sampling Time; Effective Sampling Time ts,a for Block Time Averages; 3. Effect of Averaging Time on Mean Calculations; Ensemble Averaging and Zero Sample Time Meandering; Field Data for Sampling and Averaging Time Effects; Plume Spread Sampling Time Effects Deduced from Velocity Fluctuation Statistics; Measurement of Crosswind-Velocity Sampling Time Exponent pv
Averaging Time Effects on Plume Spread σyRandom Force Model for Sampling Time Effects on Crosswind Spread; Comparing the Random Force Model to CONDORS Data; Comparing the Random Force Model with σy ~ ts0.2; 4. Concentration Fluctuation Modeling; Overview; Types of Concentration Fluctuation Models; Conditional Statistics for Fluctuation Calculations; Wind Tunnel Simulation versus Field Testing for Model Validation; 5. Probability Distributions; Exponential Probability Distribution; Clipped-Normal Probability Distribution; Log-Normal Probability Distribution; Gamma Probability Distribution Recommended Probability Distribution and Conditional Intensity Functions6. Release Height and Source Size Effects on Fluctuation Intensity; Internal Fluctuations in Jets and Plumes with No Meandering; Fluctuation Intensity in Meandering Plumes from Ground Level Releases; Meandering Plume Models for Source Size Effects on Elevated Releases; Comparison with Chatwin and Sullivan's Similarity Model; Release Momentum Effects on Source Size; Fluctuations Near the Ground: Dissipation by Wind Shear; Terrain Roughness, Atmospheric Stability, and Compatibility with Existing Hazard Assessment Models 7. Source Density Effects on FluctuationsDense Plumes; Buoyant Plumes; 8. Buildings and Obstacles; Modeling Concentration Fluctuations in Building Wakes; 9. Threshold Crossing and Peak Levels; Time Sequence versus Ensemble Repeat Averages; 10. Framework for an Operational Model; Adjusting Mean Concentration for Averaging Time; Concentration Fluctuation Statistics; Concentration Fluctuation Intensity; Fraction of Time Threshold Concentration Is Exceeded; Once-per-Event Peak Concentration; Summary Appendix A Averaging and Sampling Time Effects on Plume Spread Velocity and Concentration FluctuationsInertialess Fluctuation Spectrum; Concentration Fluctuations; Power Law Exponent qc for Averaging Time; Effect of Averaging Time on Concentration Variance; Effect of Sampling Time on Concentration Variance; Power Law Exponent pc for Increased Sampling Time; Velocity Fluctuations; Sampling Time Effects on Crosswind Velocity Variance; Sampling Time Effects for the Transverse Isotropic Spectrum; Averaging Time Effects for Finite Sampling Time; Gifford's Random Force Model for σy Wilson's Power Law Approximation to Gifford's Random Force Model |
| Record Nr. | UNISA-996218382003316 |
|
Wilson David J
|
||
| New York, : Center for Chemical Process Safety of the American Institute of Chemical Engineers, 1995 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. di Salerno | ||
| ||
Concentration fluctuations and averaging time in vapor clouds / / David J. Wilson
| Concentration fluctuations and averaging time in vapor clouds / / David J. Wilson |
| Autore | Wilson David J |
| Pubbl/distr/stampa | New York, : Center for Chemical Process Safety of the American Institute of Chemical Engineers, 1995 |
| Descrizione fisica | 1 online resource (201 p.) |
| Disciplina |
533
660 |
| Soggetto topico |
Vapors - Mathematical models
Fluctuations (Physics) - Mathematical models Atmospheric diffusion - Mathematical models Atmospheric turbulence - Mathematical models Hazardous substances - Risk assessment Industrial safety |
| ISBN |
9786612817267
9781282817265 1282817264 9780470937976 0470937971 9781601190048 1601190042 9780470937969 0470937963 |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Nota di contenuto |
Concentration Fluctuations and Averaging Time in Vapor Clouds; Contents; PREFACE; ACKNOWLEDGMENTS; 1. Background and Objectives; 2. Sampling and Averaging Time Definitions; Calculating Mass-Weighted Sampling Time; Effective Sampling Time ts,a for Block Time Averages; 3. Effect of Averaging Time on Mean Calculations; Ensemble Averaging and Zero Sample Time Meandering; Field Data for Sampling and Averaging Time Effects; Plume Spread Sampling Time Effects Deduced from Velocity Fluctuation Statistics; Measurement of Crosswind-Velocity Sampling Time Exponent pv
Averaging Time Effects on Plume Spread σyRandom Force Model for Sampling Time Effects on Crosswind Spread; Comparing the Random Force Model to CONDORS Data; Comparing the Random Force Model with σy ~ ts0.2; 4. Concentration Fluctuation Modeling; Overview; Types of Concentration Fluctuation Models; Conditional Statistics for Fluctuation Calculations; Wind Tunnel Simulation versus Field Testing for Model Validation; 5. Probability Distributions; Exponential Probability Distribution; Clipped-Normal Probability Distribution; Log-Normal Probability Distribution; Gamma Probability Distribution Recommended Probability Distribution and Conditional Intensity Functions6. Release Height and Source Size Effects on Fluctuation Intensity; Internal Fluctuations in Jets and Plumes with No Meandering; Fluctuation Intensity in Meandering Plumes from Ground Level Releases; Meandering Plume Models for Source Size Effects on Elevated Releases; Comparison with Chatwin and Sullivan's Similarity Model; Release Momentum Effects on Source Size; Fluctuations Near the Ground: Dissipation by Wind Shear; Terrain Roughness, Atmospheric Stability, and Compatibility with Existing Hazard Assessment Models 7. Source Density Effects on FluctuationsDense Plumes; Buoyant Plumes; 8. Buildings and Obstacles; Modeling Concentration Fluctuations in Building Wakes; 9. Threshold Crossing and Peak Levels; Time Sequence versus Ensemble Repeat Averages; 10. Framework for an Operational Model; Adjusting Mean Concentration for Averaging Time; Concentration Fluctuation Statistics; Concentration Fluctuation Intensity; Fraction of Time Threshold Concentration Is Exceeded; Once-per-Event Peak Concentration; Summary Appendix A Averaging and Sampling Time Effects on Plume Spread Velocity and Concentration FluctuationsInertialess Fluctuation Spectrum; Concentration Fluctuations; Power Law Exponent qc for Averaging Time; Effect of Averaging Time on Concentration Variance; Effect of Sampling Time on Concentration Variance; Power Law Exponent pc for Increased Sampling Time; Velocity Fluctuations; Sampling Time Effects on Crosswind Velocity Variance; Sampling Time Effects for the Transverse Isotropic Spectrum; Averaging Time Effects for Finite Sampling Time; Gifford's Random Force Model for σy Wilson's Power Law Approximation to Gifford's Random Force Model |
| Record Nr. | UNINA-9910876976403321 |
|
Wilson David J
|
||
| New York, : Center for Chemical Process Safety of the American Institute of Chemical Engineers, 1995 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
| ||
Fluctuations in Markov processes : time symmetry and martingale approximation / Tomasz Komorowski, Claudio Landim, Stefano Olla
| Fluctuations in Markov processes : time symmetry and martingale approximation / Tomasz Komorowski, Claudio Landim, Stefano Olla |
| Autore | Komorowski, Tomasz |
| Pubbl/distr/stampa | Heidelberg [Germany] ; New York : Springer, c2012 |
| Descrizione fisica | xvii, 491 p. ; 24 cm |
| Disciplina | 519.2 |
| Altri autori (Persone) |
Landim, Claudioauthor
Olla, Stefanoauthor |
| Collana | Grundlehren der mathematischen Wissenschaften = A series of comprehensive studies in mathematics, 0072-7830 ; 345 |
| Soggetto topico |
Markov processes - Mathematical models
Fluctuations (Physics) - Mathematical models Martingales (Mathematics) Central limit theorem |
| ISBN | 9783642298790 |
| Classificazione |
AMS 60G05
AMS 60K35 AMS 60H25 LC QA274.7.K658 |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Record Nr. | UNISALENTO-991001900309707536 |
|
Komorowski, Tomasz
|
||
| Heidelberg [Germany] ; New York : Springer, c2012 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. del Salento | ||
| ||
