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Author :
Publisher :
ISBN 13 :
Total Pages : 54 pages
Book Rating : 4.:/5 (317 download)
Download or read book SOFIA: A Stratospheric Observatory for Infrared Astronomy written by and published by . This book was released on 1991 with total page 54 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : National Aeronautics and Space Adm Nasa
Publisher :
ISBN 13 : 9781728999432
Total Pages : 26 pages
Book Rating : 4.9/5 (994 download)
Download or read book Sofia written by National Aeronautics and Space Adm Nasa and published by . This book was released on 2018-10-19 with total page 26 pages. Available in PDF, EPUB and Kindle. Book excerpt: SOFIA is described as it was originally (May 1988) for the Space and Earth Sciences Advisory Committee (SESAC). The format and questions were provided by SESAC as a standard for judging the merit of potential U.S. space science projects. This version deletes Section IIF, which addressed development costs of the SOFIA facility. SOFIA's unique astronomical potential is described and it is shown how it complements and supports existing and planned facilities. Erickson, E. F. and Davidson, J. A. and Thorley, G. and Caroff, L. J. Ames Research Center RTOP 188-78-60...
Author : United States. National Aeronautics and Space Administration
Publisher :
ISBN 13 :
Total Pages : 48 pages
Book Rating : 4.:/5 (66 download)
Download or read book SOFIA written by United States. National Aeronautics and Space Administration and published by . This book was released on 1990* with total page 48 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Hans J. Meier
Publisher :
ISBN 13 :
Total Pages : 500 pages
Book Rating : 4.:/5 (258 download)
Download or read book SOFIA written by Hans J. Meier and published by . This book was released on 1994 with total page 500 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Klaus Kaiba
Publisher :
ISBN 13 :
Total Pages : 400 pages
Book Rating : 4.:/5 (256 download)
Download or read book SOFIA written by Klaus Kaiba and published by . This book was released on 1987 with total page 400 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Thomas E. Maiello
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (11 download)
Download or read book Stratospheric Observatory for Infra-red Astronomy (SOFIA) System Concept written by Thomas E. Maiello and published by . This book was released on 1995 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Jacqueline A. Davidson
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (11 download)
Download or read book Stratospheric Observatory for Infra-red Astronomy (SOFIA) written by Jacqueline A. Davidson and published by . This book was released on 1995 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Timothy Schomin
Publisher :
ISBN 13 :
Total Pages : 14 pages
Book Rating : 4.:/5 (245 download)
Download or read book Structural Modifications for NASA's Stratospheric Observatory for Infrared Astronomy (SOFIA) written by Timothy Schomin and published by . This book was released on 1991 with total page 14 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Scott D. Horner
Publisher : BiblioGov
ISBN 13 : 9781289249571
Total Pages : 32 pages
Book Rating : 4.2/5 (495 download)
Download or read book Sofia written by Scott D. Horner and published by BiblioGov. This book was released on 2013-07 with total page 32 pages. Available in PDF, EPUB and Kindle. Book excerpt: This slide presentation details the science and status of the Stratospheric Observatory for Infrared Astronomy (SOFIA). SOFIA is a 2.5 m Telescope designed to fit into a modified Boeing 747SP aircraft. It will have imaging and spectroscopy from .03 micron to 1.6 mm, emphasizing the obscured infrared spectrum (i.e., 30-300 micron). It will fly between 39,000 to 45,000 feet, above over 99.8 % of the water vapor which obscures the infrared from other ground based telescopes. Since it is on a ground based airplane, the instrumentation can be interchangeable between flights, it can fly anywhere and anytime. Diagrams show an overview of the observatory, the optical layout, and a comparison of SOFIA with the other major IR Imaging spectroscopic Space Observatories. Pictures include a shot of the installation of the primary mirror, and the Telescope instrument interface. Charts show the first generation instruments, and their ranges of spectral observation. Also the presentation reviews the science questions that SOFIA's instruments will assist in reviewing.
Author :
Publisher :
ISBN 13 :
Total Pages : 6 pages
Book Rating : 4.3/5 (121 download)
Download or read book Stratospheric Observatory for Infrared Astronomy written by and published by . This book was released on 1989 with total page 6 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Moffett Field Ames Research Center
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (495 download)
Download or read book The science vision for the Stratospheric Observatory for Infrared Astronomy written by Moffett Field Ames Research Center and published by . This book was released on 2009 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : National Aeronautics and Space Administration (NASA)
Publisher : Createspace Independent Publishing Platform
ISBN 13 : 9781722973124
Total Pages : 186 pages
Book Rating : 4.9/5 (731 download)
Download or read book 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 written by National Aeronautics and Space Administration (NASA) and published by Createspace Independent Publishing Platform. This book was released on 2018-07-17 with total page 186 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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...
Download or read book Stratospheric Observatory for Infrared Astronomy (SOFIA). written by and published by . This book was released on with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Highlights the Stratospheric Observatory for Infrared Astronomy (SOFIA), an airborne observatory being built by NASA. Offers details about the plane and telescope that will fly into space. Includes images of the telescope mirror, assembly, the aircraft, and modifications.
Author : Erwin Kayser-Threde GmbH
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (258 download)
Download or read book SOFIA written by Erwin Kayser-Threde GmbH and published by . This book was released on 1995 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Christopher B. Kostyk
Publisher : BiblioGov
ISBN 13 : 9781289152727
Total Pages : 30 pages
Book Rating : 4.1/5 (527 download)
Download or read book Thermostructural Analysis of the Sofia Fine Field and Wide Field Imagers Subjected to Convective Thermal Shock written by Christopher B. Kostyk and published by BiblioGov. This book was released on 2013-07 with total page 30 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Stratospheric Observatory For Infrared Astronomy (SOFIA) is a highly modified Boeing 747-SP with a 17- ton infrared telescope installed in the aft portion of the aircraft. Unlike ground- and space-based platforms, SOFIA can deploy to make observations anytime, anywhere, in the world. The originally designed aircraft configuration included a ground pre-cool system, however, due to various factors in the history of the project, that system was not installed. This lack of ground pre-cooling was the source of the concern about whether or not the imagers would be exposed to a potentially unsafe thermostructural environment. This concern was in addition to the already-existing concern of some project members that the air temperature rate of change during flight (both at the same altitude as well as ascent or descent) could cause the imagers to be exposed to an unsafe thermostructural environment. Four optical components were identified as the components of concern: two of higher concern (one in each imager), and two of lower concern (one in each imager). The analysis effort began by analyzing one component, after which the analyses for the other components was deemed unnecessary. The purpose of this report is to document these findings as well as lessons learned from the effort.
Author : National Aeronautics and Space Administration (NASA)
Publisher : Createspace Independent Publishing Platform
ISBN 13 : 9781719398978
Total Pages : 42 pages
Book Rating : 4.3/5 (989 download)
Download or read book Maximum Expected Wall Heat Flux and Maximum Pressure After Sudden Loss of Vacuum Insulation on the Stratospheric Observatory for Infrared Astronomy (Sofia) Liquid Helium (Lhe) Dewars written by National Aeronautics and Space Administration (NASA) and published by Createspace Independent Publishing Platform. This book was released on 2018-05-22 with total page 42 pages. Available in PDF, EPUB and Kindle. Book excerpt: The aircraft-based Stratospheric Observatory for Infrared Astronomy (SOFIA) is a platform for multiple infrared observation experiments. The experiments carry sensors cooled to liquid helium (LHe) temperatures. A question arose regarding the heat input and peak pressure that would result from a sudden loss of the dewar vacuum insulation. Owing to concerns about the adequacy of dewar pressure relief in the event of a sudden loss of the dewar vacuum insulation, the SOFIA Program engaged the NASA Engineering and Safety Center (NESC). This report summarizes and assesses the experiments that have been performed to measure the heat flux into LHe dewars following a sudden vacuum insulation failure, describes the physical limits of heat input to the dewar, and provides an NESC recommendation for the wall heat flux that should be used to assess the sudden loss of vacuum insulation case. This report also assesses the methodology used by the SOFIA Program to predict the maximum pressure that would occur following a loss of vacuum event. Ungar, Eugene K. Johnson Space Center SOFIA (AIRBORNE OBSERVATORY); CRYOGENIC EQUIPMENT; HEAT FLUX; LIQUID HELIUM; VACUUM; INSULATION; METHODOLOGY; VENTING; LOSSES; FAILURE; PLATFORMS
Author : National Aeronautics and Space Adm Nasa
Publisher : Independently Published
ISBN 13 : 9781794081659
Total Pages : 46 pages
Book Rating : 4.0/5 (816 download)
Download or read book Maximum Expected Wall Heat Flux and Maximum Pressure After Sudden Loss of Vacuum Insulation on the Stratospheric Observatory for Infrared Astronomy (Sofia) Liquid Helium (Lhe) Dewars written by National Aeronautics and Space Adm Nasa and published by Independently Published. This book was released on 2019-01-14 with total page 46 pages. Available in PDF, EPUB and Kindle. Book excerpt: The aircraft-based Stratospheric Observatory for Infrared Astronomy (SOFIA) is a platform for multiple infrared observation experiments. The experiments carry sensors cooled to liquid helium (LHe) temperatures. A question arose regarding the heat input and peak pressure that would result from a sudden loss of the dewar vacuum insulation. Owing to concerns about the adequacy of dewar pressure relief in the event of a sudden loss of the dewar vacuum insulation, the SOFIA Program engaged the NASA Engineering and Safety Center (NESC). This report summarizes and assesses the experiments that have been performed to measure the heat flux into LHe dewars following a sudden vacuum insulation failure, describes the physical limits of heat input to the dewar, and provides an NESC recommendation for the wall heat flux that should be used to assess the sudden loss of vacuum insulation case. This report also assesses the methodology used by the SOFIA Program to predict the maximum pressure that would occur following a loss of vacuum event. NASA/TM-2014-218540, NESC-RP-13-00911, L-20483, NF1676L-20011 Ungar, Eugene K. Johnson Space Center
