Prediction Of Noise In Aircraft Interiors
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Prediction Of Noise In Aircraft Interiors
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Author : Nissim M. Moses
language : en
Publisher:
Release Date : 1981
Prediction Of Noise In Aircraft Interiors written by Nissim M. Moses and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1981 with Airplanes categories.
Prediction Of Light Aircraft Interior Noise
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Author : James T. Howlett
language : en
Publisher:
Release Date : 1976
Prediction Of Light Aircraft Interior Noise written by James T. Howlett and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1976 with Airplanes categories.
Fourth Aircraft Interior Noise Workshop
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Author :
language : en
Publisher:
Release Date : 1992
Fourth Aircraft Interior Noise Workshop written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1992 with categories.
The fourth in a series of NASA/SAE Interior Noise Workshops was held on May 19 and 20, 1992 at the Graf Zeppelin Haus in Friedrichshafen, Germany. The theme of the workshop was new technology and applications for aircraft interior noise with emphasis on source noise prediction; cabin noise control, including active and passive methods; and cabin interior noise test procedures. This report is a compilation of the presentations made at the meeting which addressed the above issues.
Aircraft Noise
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Author : Oleksandr Zaporozhets
language : en
Publisher: CRC Press
Release Date : 2011-05-13
Aircraft Noise written by Oleksandr Zaporozhets and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011-05-13 with Technology & Engineering categories.
Aircraft noise has adverse impacts on passengers, airport staff and people living near airports, it thus limits the capacity of regional and international airports throughout the world. Reducing perceived noise of aircraft involves reduction of noise at source, along the propagation path and at the receiver. Effective noise control demands highly skilled and knowledgeable engineers. This book is for them. It shows you how accurate and reliable information about aircraft noise levels can be gained by calculations using appropriate generation and propagation models, or by measurements with effective monitoring systems. It also explains how to allow for atmospheric conditions, natural and artificial topography as well as detailing necessary measurement techniques.
Measurement Analysis And Prediction Of Aircraft Interior Noise
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Author : James T. Howlett
language : en
Publisher:
Release Date : 1976
Measurement Analysis And Prediction Of Aircraft Interior Noise written by James T. Howlett and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1976 with categories.
Research Needs In Aircraft Noise Prediction
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Author : John P. Raney
language : en
Publisher:
Release Date : 1975
Research Needs In Aircraft Noise Prediction written by John P. Raney and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1975 with categories.
Potential Subjective Effectiveness Of Active Interior Noise Control In Propeller Airplanes
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Author : Clemans A. Powell
language : en
Publisher:
Release Date : 2000
Potential Subjective Effectiveness Of Active Interior Noise Control In Propeller Airplanes written by Clemans A. Powell and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2000 with Acoustical engineering categories.
Active noise control technology offers the potential for weight-efficient interior noise reduction, particularly for propeller aircraft. However, there is little information on how passengers respond to this type of interior noise control. This paper presents results of two experiments that use sound quality engineering practices to determine the subjective effectiveness of hypothetical active noise control (ANC) systems in a range of propeller aircraft. The two experiments differed by the type of judgments made by the subjects: pair comparisons based on preference in the first and numerical category scaling of noisiness in the second. Although the results of the two experiments were in general agreement that the hypothetical active control measures improved the interior noise environments, the pair comparison method appears to be more sensitive to subtle changes in the characteristics of the sounds which are related to passenger preference. The reductions in subjective response due to the ANC conditions were predicted with reasonable accuracy by reductions in measured loudness level. Inclusion of corrections for the sound quality characteristics of tonality and fluctuation strength in multiple regression models improved the prediction of the ANC effects.
Interior Noise Prediction Methodology Atdac Theory And Validation
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Author :
language : en
Publisher:
Release Date : 1992
Interior Noise Prediction Methodology Atdac Theory And Validation written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1992 with categories.
Interior Noise Prediction Methodology
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Author : National Aeronautics and Space Administration (NASA)
language : en
Publisher: Createspace Independent Publishing Platform
Release Date : 2018-07-05
Interior Noise Prediction Methodology written by National Aeronautics and Space Administration (NASA) and has been published by Createspace Independent Publishing Platform this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-07-05 with categories.
The Acoustical Theory for Design of Aircraft Cabins (ATDAC) is a computer program developed to predict interior noise levels inside aircraft and to evaluate the effects of different aircraft configurations on the aircraft acoustical environment. The primary motivation for development of this program is the special interior noise problems associated with advanced turboprop (ATP) aircraft where there is a tonal, low frequency noise problem. Prediction of interior noise levels requires knowledge of the energy sources, the transmission paths, and the relationship between the energy variable and the sound pressure level. The energy sources include engine noise, both airborne and structure-borne; turbulent boundary layer noise; and interior noise sources such as air conditioner noise and auxiliary power unit noise. Since propeller and engine noise prediction programs are widely available, they are not included in ATDAC. Airborne engine noise from any prediction or measurement may be input to this program. This report describes the theory and equations implemented in the ATDAC program. Mathur, Gopal P. and Gardner, Bryce K. Unspecified Center NAS1-18037; RTOP 535-03-11-03...
Noise Prediction Technology For Ctol Aircraft
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Author : John P. Raney
language : en
Publisher:
Release Date : 1977
Noise Prediction Technology For Ctol Aircraft written by John P. Raney and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1977 with Airplane sounds categories.
