Analysis Of Inlet Compressor Acoustic Interactions Using Coupled Cfd Codes
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Analysis Of Inlet Compressor Acoustic Interactions Using Coupled Cfd Codes
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Author : A. Suresh
language : en
Publisher:
Release Date : 1998
Analysis Of Inlet Compressor Acoustic Interactions Using Coupled Cfd Codes written by A. Suresh and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1998 with categories.
Analysis Of Inlet Compressor Acoustic Interactions Using Coupled Cfd Codes
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Author : National Aeronautics and Space Administration (NASA)
language : en
Publisher: Createspace Independent Publishing Platform
Release Date : 2018-08-16
Analysis Of Inlet Compressor Acoustic Interactions Using Coupled Cfd Codes 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 2018-08-16 with categories.
A problem that arises in the numerical simulation of supersonic inlets is the lack of a suitable boundary condition at the engine face. In this paper, a coupled approach, in which the inlet computation is coupled dynamically to a turbomachinery computation, is proposed as a means to overcome this problem. The specific application chosen for validation of this approach is the collapsing bump experiment performed at the University of Cincinnati. The computed results are found to be in reasonable agreement with experimental results. The coupled simulation results could also be used to aid development of a simplified boundary condition. Suresh, A. and Townsend, S. E. and Cole, G. L. and Slater, J. W. and Chima, R. Glenn Research Center NASA/TM-1998-208839, NAS 1.15:208839, AIAA Paper 98-0749, E-11451 NAS3-98008; RTOP 509-10-11...
Analysis Of Inlet Compressor Acoustic Interactions Using Coupled Cfd Codes
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Author :
language : en
Publisher:
Release Date : 1998
Analysis Of Inlet Compressor Acoustic Interactions Using Coupled Cfd 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 1998 with categories.
Unsteady Analysis Of Inlet Compressor Acoustic Interactions Using Coupled 3 D And 1 D Cfd Codes
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Author :
language : en
Publisher:
Release Date : 2000
Unsteady Analysis Of Inlet Compressor Acoustic Interactions Using Coupled 3 D And 1 D Cfd 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.
Analysis Of Inlet Compressor Acoustic Interactions Using Coupled Cfd Codes Nasa Tm 1998 208839 Mar 1 1999
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Author : United States. National Aeronautics and Space Administration
language : en
Publisher:
Release Date : 1999*
Analysis Of Inlet Compressor Acoustic Interactions Using Coupled Cfd Codes Nasa Tm 1998 208839 Mar 1 1999 written by United States. National Aeronautics and Space Administration and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1999* with categories.
Unsteady Analysis Of Inlet Compressor Acoustic Interactions Using Coupled 3 D And 1 D Cfd Codes
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Author : National Aeronautics and Space Administration (NASA)
language : en
Publisher: Createspace Independent Publishing Platform
Release Date : 2018-06-16
Unsteady Analysis Of Inlet Compressor Acoustic Interactions Using Coupled 3 D And 1 D Cfd Codes 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 2018-06-16 with categories.
It is well known that the dynamic response of a mixed compression supersonic inlet is very sensitive to the boundary condition imposed at the subsonic exit (engine face) of the inlet. In previous work, a 3-D computational fluid dynamics (CFD) inlet code (NPARC) was coupled at the engine face to a 3-D turbomachinery code (ADPAC) simulating an isolated rotor and the coupled simulation used to study the unsteady response of the inlet. The main problem with this approach is that the high fidelity turbomachinery simulation becomes prohibitively expensive as more stages are included in the simulation. In this paper, an alternative approach is explored, wherein the inlet code is coupled to a lesser fidelity 1-D transient compressor code (DYNTECC) which simulates the whole compressor. The specific application chosen for this evaluation is the collapsing bump experiment performed at the University of Cincinnati, wherein reflections of a large-amplitude acoustic pulse from a compressor were measured. The metrics for comparison are the pulse strength (time integral of the pulse amplitude) and wave form (shape). When the compressor is modeled by stage characteristics the computed strength is about ten percent greater than that for the experiment, but the wave shapes are in poor agreement. An alternate approach that uses a fixed rise in duct total pressure and temperature (so-called 'lossy' duct) to simulate a compressor gives good pulse shapes but the strength is about 30 percent low. Suresh, A. and Cole, G. L. Glenn Research Center NASA/TM-2000-210247, E-12367, NAS 1.15:210247
Research Technology 1998
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Author :
language : en
Publisher: DIANE Publishing
Release Date :
Research Technology 1998 written by and has been published by DIANE Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on with categories.
37th Aiaa Aerospace Sciences Meeting And Exhibit
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Author :
language : en
Publisher:
Release Date : 1999
37th Aiaa Aerospace Sciences Meeting And Exhibit written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1999 with Aeronautics categories.
Monthly Catalog Of United States Government Publications
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Author :
language : en
Publisher:
Release Date : 1999-07
Monthly Catalog Of United States Government Publications written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1999-07 with Government publications categories.
Implementation Of A Compressor Face Boundary Condition Based On Small Disturbances
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Author :
language : en
Publisher:
Release Date : 2000
Implementation Of A Compressor Face Boundary Condition Based On Small Disturbances 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.