Computation of the Fluid and Optical Fields about the Stratospheric Observatory for Infrared Astronomy (Sofia) and the Coupling of Fluids, Dynamics, and Control Laws on Parallel Computers PDF Download
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Author: National Aeronautics and Space Administration (NASA)
Publisher: Createspace Independent Publishing Platform
ISBN: 9781722973124
Category :
Languages : en
Pages : 186
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Book Description
The June 1992 to May 1993 grant NCC-2-677 provided for the continued demonstration of Computational Fluid Dynamics (CFD) as applied to the Stratospheric Observatory for Infrared Astronomy (SOFIA). While earlier grant years allowed validation of CFD through comparison against experiments, this year a new design proposal was evaluated. The new configuration would place the cavity aft of the wing, as opposed to the earlier baseline which was located immediately aft of the cockpit. This aft cavity placement allows for simplified structural and aircraft modification requirements, thus lowering the program cost of this national astronomy resource. Three appendices concerning this subject are presented. Atwood, Christopher A. Unspecified Center BOEING 747 AIRCRAFT; CAVITY FLOW; COMPUTATIONAL FLUID DYNAMICS; CONTROL THEORY; PARALLEL COMPUTERS; SOFIA (AIRBORNE OBSERVATORY); TRANSONIC FLOW; UNSTEADY FLOW; CAVITIES; DYNAMIC CONTROL; FLOW DISTRIBUTION; NAVIER-STOKES EQUATION; NONLINEAR SYSTEMS...
Author: National Aeronautics and Space Administration (NASA)
Publisher: Createspace Independent Publishing Platform
ISBN: 9781722973124
Category :
Languages : en
Pages : 186
Get Book Here
Book Description
The June 1992 to May 1993 grant NCC-2-677 provided for the continued demonstration of Computational Fluid Dynamics (CFD) as applied to the Stratospheric Observatory for Infrared Astronomy (SOFIA). While earlier grant years allowed validation of CFD through comparison against experiments, this year a new design proposal was evaluated. The new configuration would place the cavity aft of the wing, as opposed to the earlier baseline which was located immediately aft of the cockpit. This aft cavity placement allows for simplified structural and aircraft modification requirements, thus lowering the program cost of this national astronomy resource. Three appendices concerning this subject are presented. Atwood, Christopher A. Unspecified Center BOEING 747 AIRCRAFT; CAVITY FLOW; COMPUTATIONAL FLUID DYNAMICS; CONTROL THEORY; PARALLEL COMPUTERS; SOFIA (AIRBORNE OBSERVATORY); TRANSONIC FLOW; UNSTEADY FLOW; CAVITIES; DYNAMIC CONTROL; FLOW DISTRIBUTION; NAVIER-STOKES EQUATION; NONLINEAR SYSTEMS...
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Category : Aeronautics
Languages : en
Pages : 728
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Category : Science
Languages : en
Pages : 1502
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Category : Research
Languages : en
Pages : 1218
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Sections 1-2. Keyword Index.--Section 3. Personal author index.--Section 4. Corporate author index.-- Section 5. Contract/grant number index, NTIS order/report number index 1-E.--Section 6. NTIS order/report number index F-Z.
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Category :
Languages : en
Pages : 392
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Category : Government publications
Languages : en
Pages :
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Category :
Languages : en
Pages : 470
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Author: Pierre Lena
Publisher: Springer Science & Business Media
ISBN: 366202554X
Category : Science
Languages : en
Pages : 338
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Book Description
For the last twenty years astronomy has been developing dramatically. Until the nineteen-fifties, telescopes, spectrometers, and photographic plates consti tuted a relatively simple set of tools which had been refined to a high degree of perfection by the joint efforts of physicists and astronomers. Indeed these tools helped at the birth of modern astrophysics: the discovery of the expan sion of the Universe. Then came radioastronomy and the advent of electronics; the last thirty years have seen the application to astrophysics of a wealth of new experimental techniques, based on the most advanced fields of physics, and a constant interchange of ideas between physicists and astronomers. Last, but not least, modern computers have sharply reduced the burden of dealing with the information painfully extracted from the skies, whether from ever scarce photons, or from the gigantic data flows provided by satellites and large telescopes. The aim of this book is not to give an extensive overview of all the tech niques currently in use in astronomy, nor to provide detailed instructions for preparing or carrying out an astronomical project. Its purpose is methodologi cal: photons are still the main carriers of information between celestial sources and the observer. How we are to collect, sample, measure, and store this infor mation is the unifying theme of the book. Rather than the diversity of tech niques appropriate for each wavelength range, we emphasize the physical and mathematical bases which are common to all wavelength regimes.
Author: Ian S. McLean
Publisher: SPIE-International Society for Optical Engineering
ISBN: 9780819482259
Category : Astronomical instruments
Languages : en
Pages : 3206
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Proceedings of SPIE present the original research papers presented at SPIE conferences and other high-quality conferences in the broad-ranging fields of optics and photonics. These books provide prompt access to the latest innovations in research and technology in their respective fields. Proceedings of SPIE are among the most cited references in patent literature.
Author: Jay M. Pasachoff
Publisher: Penguin
ISBN: 9781592570744
Category : Science
Languages : en
Pages : 380
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