Broadband Fan Noise Prediction System For Turbofan Engines
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Broadband Fan Noise Prediction System For Turbofan Engines
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Author : Bruce L. Morin
language : en
Publisher:
Release Date : 2010
Broadband Fan Noise Prediction System For Turbofan Engines written by Bruce L. Morin and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010 with categories.
Broadband Fan Noise Prediction System For Turbofan Engines
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Author : National Aeronautics and Space Administration (NASA)
language : en
Publisher:
Release Date : 2010-11-01
Broadband Fan Noise Prediction System For Turbofan Engines written by National Aeronautics and Space Administration (NASA) and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010-11-01 with categories.
Pratt & Whitney has developed a Broadband Fan Noise Prediction System (BFaNS) for turbofan engines. This system computes the noise generated by turbulence impinging on the leading edges of the fan and fan exit guide vane, and noise generated by boundary-layer turbulence passing over the fan trailing edge. BFaNS has been validated on three fan rigs that were tested during the NASA Advanced Subsonic Technology Program (AST). The predicted noise spectra agreed well with measured data. The predicted effects of fan speed, vane count, and vane sweep also agreed well with measurements. The noise prediction system consists of two computer programs: Setup_BFaNS and BFaNS. Setup_BFaNS converts user-specified geometry and flow-field information into a BFaNS input file. From this input file, BFaNS computes the inlet and aft broadband sound power spectra generated by the fan and FEGV. The output file from BFaNS contains the inlet, aft and total sound power spectra from each noise source. This report is the first volume of a three-volume set documenting the Broadband Fan Noise Prediction System: Volume 1: Setup_BFaNS User's Manual and Developer's Guide Volume 2: BFaNS User's Manual and Developer's Guide Volume 3: Validation and Test Cases The present volume begins with an overview of the Broadband Fan Noise Prediction System, followed by step-by-step instructions for installing and running Setup_BFaNS. It concludes with technical documentation of the Setup_BFaNS computer program.
Broadband Fan Noise Prediction System For Turbofan Engines
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Author : National Aeronautics and Space Administration (NASA)
language : en
Publisher:
Release Date : 2010-11-01
Broadband Fan Noise Prediction System For Turbofan Engines written by National Aeronautics and Space Administration (NASA) and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010-11-01 with categories.
Pratt & Whitney has developed a Broadband Fan Noise Prediction System (BFaNS) for turbofan engines. This system computes the noise generated by turbulence impinging on the leading edges of the fan and fan exit guide vane, and noise generated by boundary-layer turbulence passing over the fan trailing edge. BFaNS has been validated on three fan rigs that were tested during the NASA Advanced Subsonic Technology Program (AST). The predicted noise spectra agreed well with measured data. The predicted effects of fan speed, vane count, and vane sweep also agreed well with measurements. The noise prediction system consists of two computer programs: Setup_BFaNS and BFaNS. Setup_BFaNS converts user-specified geometry and flow-field information into a BFaNS input file. From this input file, BFaNS computes the inlet and aft broadband sound power spectra generated by the fan and FEGV. The output file from BFaNS contains the inlet, aft and total sound power spectra from each noise source. This report is the first volume of a three-volume set documenting the Broadband Fan Noise Prediction System: Volume 1: Setup_BFaNS User's Manual and Developer's Guide Volume 2: BFaNS User's Manual and Developer's Guide Volume 3: Validation and Test Cases The present volume begins with an overview of the Broadband Fan Noise Prediction System, followed by step-by-step instructions for installing and running Setup_BFaNS. It concludes with technical documentation of the Setup_BFaNS computer program.
Broadband Fan Noise Prediction System For Turbofan Engines
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Author : National Aeronautics and Space Administration (NASA)
language : en
Publisher:
Release Date : 2010-11-01
Broadband Fan Noise Prediction System For Turbofan Engines written by National Aeronautics and Space Administration (NASA) and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010-11-01 with categories.
Pratt & Whitney has developed a Broadband Fan Noise Prediction System (BFaNS) for turbofan engines. This system computes the noise generated by turbulence impinging on the leading edges of the fan and fan exit guide vane, and noise generated by boundary-layer turbulence passing over the fan trailing edge. BFaNS has been validated on three fan rigs that were tested during the NASA Advanced Subsonic Technology Program (AST). The predicted noise spectra agreed well with measured data. The predicted effects of fan speed, vane count, and vane sweep also agreed well with measurements. The noise prediction system consists of two computer programs: Setup_BFaNS and BFaNS. Setup_BFaNS converts user-specified geometry and flow-field information into a BFaNS input file. From this input file, BFaNS computes the inlet and aft broadband sound power spectra generated by the fan and FEGV. The output file from BFaNS contains the inlet, aft and total sound power spectra from each noise source. This report is the first volume of a three-volume set documenting the Broadband Fan Noise Prediction System: Volume 1: Setup_BFaNS User's Manual and Developer's Guide Volume 2: BFaNS User's Manual and Developer's Guide Volume 3: Validation and Test Cases The present volume begins with an overview of the Broadband Fan Noise Prediction System, followed by step-by-step instructions for installing and running Setup_BFaNS. It concludes with technical documentation of the Setup_BFaNS computer program.
The Jet Engine
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Author : Rolls Royce
language : en
Publisher: John Wiley & Sons
Release Date : 2015-07-20
The Jet Engine written by Rolls Royce and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015-07-20 with Technology & Engineering categories.
The Jet Engine provides a complete, accessible description of the working and underlying principles of the gas turbine. Accessible, non-technical approach explaining the workings of jet engines, for readers of all levels Full colour diagrams, cutaways and photographs throughout Written by RR specialists in all the respective fields Hugely popular and well-reviewed book, originally published in 2005 under Rolls Royce’s own imprint
Turbofan Duct Propagation Model
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Author : Justin H. Lan
language : en
Publisher:
Release Date : 2001
Turbofan Duct Propagation Model written by Justin H. Lan and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2001 with Aerodynamic noise categories.
Nasa Tech Briefs
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Author :
language : en
Publisher:
Release Date : 2004
Nasa Tech Briefs written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2004 with Technology categories.
Scientific And Technical Aerospace Reports
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Author :
language : en
Publisher:
Release Date : 1980
Scientific And Technical Aerospace Reports written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1980 with Aeronautics categories.
Handbook Of Noise And Vibration Control
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Author : Malcolm J. Crocker
language : en
Publisher: John Wiley & Sons
Release Date : 2007-10-05
Handbook Of Noise And Vibration Control written by Malcolm J. Crocker and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007-10-05 with Technology & Engineering categories.
Two of the most acclaimed reference works in the area of acoustics in recent years have been our Encyclopedia of Acoustics, 4 Volume set and the Handbook of Acoustics spin-off. These works, edited by Malcolm Crocker, positioned Wiley as a major player in the acoustics reference market. With our recently published revision of Beranek & Ver's Noise and Vibration Control Engineering, Wiley is a highly respected name in the acoustics business. Crocker's new handbook covers an area of great importance to engineers and designers. Noise and vibration control is one largest areas of application of the acoustics topics covered in the successful encyclopedia and handbook. It is also an area that has been under-published in recent years. Crocker has positioned this reference to cover the gamut of topics while focusing more on the applications to industrial needs. In this way the book will become the best single source of need-to-know information for the professional markets.
Aeroacoustic Prediction Codes
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Author :
language : en
Publisher:
Release Date : 2000
Aeroacoustic Prediction Codes written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2000 with categories.