Comparison of Relative Costs of Thermal Analysis Methods for Hypersonic Vehicle Compartments PDF Download
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Author: John R. Malcom
Publisher:
ISBN:
Category : Thermal analysis
Languages : en
Pages : 204
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Author: John R. Malcom
Publisher:
ISBN:
Category : Thermal analysis
Languages : en
Pages : 204
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Author:
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ISBN:
Category :
Languages : en
Pages : 1
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Results are presented of a study to examine the rel tio ships b acc racy and cos i m n our, cal ndar time and dollars, in deter ing this transient heat flow for two hypothetical re-entry vehicles. Accuracy and cost information were obtained for analytical methods: h nd calculations, digital computers, differential analyzers, and passive el ment analogues; and for experimental methods: various size panels, half and full size vehicles, and vehicle c mpartments. Results are presented as curves of accuracy as a function of cost. A general heat transfer digital computer program provided the most accuracy for the least cost. The other computing techni ues rank in the following ord r: differential analyzer, passive element analogue, and hand calculations. T HE DIFFERENTIAL ANALYZER IS THE BEST METHOD FOR PARAMETER STUDIES WHERE A LARGE NUMBER OF RUNS IS EXPECTED. (Author).
Author:
Publisher:
ISBN:
Category : Science
Languages : en
Pages : 220
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Author: P. J. Kendall
Publisher:
ISBN:
Category : Heat storage
Languages : en
Pages : 134
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This study was undertaken to develop and demonstrate the validity of an analytical model for predicting the transient temperature response in honeycomb sandwich panels subjected to variable heat loads on one or both faces. A one-dimensional analysis was developed which employs the ordinary heat balance considering heat transfer through the panel by conduction, convection, and radiation. The finite (forward) difference technique is employed for solving the heat balance equations. Honeycomb panels of various materials, cell shapes, and dimensions were subjected to a variety of heat loads and their thermal responses were recorded. The predicted thermal responses for these panels, obtained with the analytical model, were in good agreement with the test data. (Author).
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Category : Research
Languages : en
Pages : 1170
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Author:
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Category : Astronautics
Languages : en
Pages : 48
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Author: Jet Propulsion Laboratory (U.S.).
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ISBN:
Category : Astronautics
Languages : en
Pages : 288
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Author:
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ISBN:
Category : Industries
Languages : en
Pages : 204
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Author:
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ISBN:
Category : Aeronautics
Languages : en
Pages : 580
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A selection of annotated references to unclassified reports and journal articles that were introduced into the NASA scientific and technical information system and announced in Scientific and technical aerospace reports (STAR) and International aerospace abstracts (IAA)
Author:
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ISBN:
Category : Aeronautics
Languages : en
Pages : 328
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