Studies on Nonequilibrium Phenomena in Supersonic Chemically Reacting Flows PDF Download
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Author: Rajnish Chandrasekhar
Publisher:
ISBN:
Category : Combustion
Languages : en
Pages : 254
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Author: Rajnish Chandrasekhar
Publisher:
ISBN:
Category : Combustion
Languages : en
Pages : 254
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Author: Michael C. Cline
Publisher:
ISBN:
Category :
Languages : en
Pages : 162
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A second-order numerical method of characteristics was used to solve the equations of motion for three-dimensional, steady, supersonic, nonequilibrium, chemically reacting flow of a system of thermally perfect gases in an exhaust nozzle. A production type computer program which is capable of solving a wide variety of supersonic nozzle problems was developed for the CDC-6500 computer. A bicharacteristic method of characteristics due to D.S. Butler and a special implicit method for the species continuity equations were employed. The chemical kinetic model considers 19 species formed from the 6 elements--carbon, hydrogen, ocygen, nitrogen, flourine and chlorine--and 48 chemical reactions (13 dissociation-recombination reactions and 35 binary exchange reactions). In addition to the nonequilibrium chemistry model, the program also considers frozen and equilibrium flows, and flows with constant specific heat ratios. The absolute accuracy and order of accuracy of the method was shown by comparing the computed solution for spherical source flow with the exact solution for isentropic flow, and by comparing the computed solution for an axisymmetric, nonequilibrium flow with the results of an existing two-dimensional method. (Author).
Author:
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ISBN:
Category : Aeronautics
Languages : en
Pages : 602
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Lists citations with abstracts for aerospace related reports obtained from world wide sources and announces documents that have recently been entered into the NASA Scientific and Technical Information Database.
Author: James Joe Der
Publisher:
ISBN:
Category : Aerodynamics, Supersonic
Languages : en
Pages : 64
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Book Description
Chemical and vibrational nonequilibrium phenomena in steady inviscid flow fields are studied by the analysis of flow past curved boundaries. Possible alternative choices of the state variables to be used are considered. General features of the nonequilibrium flow are studied by examination of the mathematical properties of the nonlinear flow equations. An axisymmetric nonequilibrium flow of air through a supersonic nozzle is analyzed by means of numerical computations. The coupling effects between nonuniformity (across a nozzle section) and nonequilibrium, not taken into account in the quasi-one-dimensional flow approximation, are revealed by the present analysis.
Author:
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ISBN:
Category : Government reports announcements & index
Languages : en
Pages : 1368
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Author:
Publisher:
ISBN:
Category : Government publications
Languages : en
Pages : 872
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Author:
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ISBN:
Category : Government publications
Languages : en
Pages :
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Author:
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ISBN:
Category : Dissertations, Academic
Languages : en
Pages : 730
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Author:
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ISBN:
Category : Military research
Languages : en
Pages : 854
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Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 570
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