Computer Program Abstracts

Computer Program Abstracts PDF Author:
Publisher:
ISBN:
Category : Computer programs
Languages : en
Pages : 650

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Computer Program Abstracts

Computer Program Abstracts PDF Author:
Publisher:
ISBN:
Category : Computer programs
Languages : en
Pages : 650

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Book Description


Computer Program for the Numerical Solution of Nonequilibrium Expansions of Reacting Gas Mixtures

Computer Program for the Numerical Solution of Nonequilibrium Expansions of Reacting Gas Mixtures PDF Author: J. A. Lordi
Publisher:
ISBN:
Category : Gas dynamics
Languages : en
Pages : 164

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NASA Technical Report

NASA Technical Report PDF Author:
Publisher:
ISBN:
Category : Aerodynamics
Languages : en
Pages : 1158

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Technical Abstract Bulletin

Technical Abstract Bulletin PDF Author: Defense Documentation Center (U.S.)
Publisher:
ISBN:
Category : Science
Languages : en
Pages : 784

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A Compilation of Computer Programs in Flight Vehicle Technology

A Compilation of Computer Programs in Flight Vehicle Technology PDF Author: Ambrose B. Nutt
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 164

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Book Description
A compilation of computer programs useful in the design of flight vehicles. Technical domains covered include the following: Structures; Aerodynamics; Vehicle dynamics; Flight control; Environmental control; Crew escape and retardation; and Landing gear subsystems. All programs were devised in-house in the Air Force Flight Dynamics Laboratory or were prepared for them under R and D contracts. (Author).

A Simplified Molecular Model for Studying Vibration-dissociation Coupling in Fluid Flows

A Simplified Molecular Model for Studying Vibration-dissociation Coupling in Fluid Flows PDF Author: Walter Albert Reinhardt
Publisher:
ISBN:
Category : Dissociation
Languages : en
Pages : 340

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Book Description
A simplified mathematical model is derived that is useful for studying the effects of vibration-dissociation coupling in fluid flows. The derivation is based on energy-moment procedure for simplifying the master equations. To obtain the model equations it is assumed that the vibrational energy can be approximated by the introduction of two vibrational temperatures. The effects of molecular anharmonicity are also accounted for in an approximate manner. The parameters contained within the equations are evaluated by making comparisons with experimental data. It is shown that the model contains the minimum required structure allowing favorable agreement with existing experimental data. Numerical solutions are given for the quasi-steady zone behind a normal shock wave, for the complete structure of a shock wave, and for nozzle flow. The results provide the appropriate pre-exponential temperature dependence of the effective dissociation rate, yield and induction time before dissociation is observed, and, in the case of expanding flow, yield one-fourth less effective relaxation time than the Landau-Teller theory. The thermodynamic quantities for the vibrational mode (partition function, internal energy, and specific heat) agree accurately with like quantities evaluated from spectroscopic data. By the introduction of appropriate assumptions it is shown that the equations reduce to a form identical to the Marrone-Treanor model except for a "truncation factor". When the vibrational temperatures are not large, the model is identical to that of Landau and Teller. The numerical procedure used to integrate the system of rate and flow equations is also described.

Scientific and Technical Aerospace Reports

Scientific and Technical Aerospace Reports PDF Author:
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 964

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NASA Scientific and Technical Reports

NASA Scientific and Technical Reports PDF Author: United States. National Aeronautics and Space Administration Scientific and Technical Information Division
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 428

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COSMIC Software Catalog

COSMIC Software Catalog PDF Author:
Publisher:
ISBN:
Category : Computer software
Languages : en
Pages : 444

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NASA Tech Brief

NASA Tech Brief PDF Author:
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 1132

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