NDLI: Computer simulation of supersonic rarefied gas flow in the transition region, about a spherical probe; a monte carlo approach with application to rocket-borne ion probe experiments

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Computer simulation of supersonic rarefied gas flow in the transition region, about a spherical probe; a monte carlo approach with application to rocket-borne ion probe experiments

Content Provider	NASA Technical Reports Server (NTRS)
Author	Horton, B. E. Bowhill, S. A.
Copyright Year	1971
Description	This report describes a Monte Carlo simulation of transition flow around a sphere. Conditions for the simulation correspond to neutral monatomic molecules at two altitudes (70 and 75 km) in the D region of the ionosphere. Results are presented in the form of density contours, velocity vector plots and density, velocity and temperature profiles for the two altitudes. Contours and density profiles are related to independent Monte Carlo and experimental studies, and drag coefficients are calculated and compared with available experimental data. The small computer used is a PDP-15 with 16 K of core, and a typical run for 75 km requires five iterations, each taking five hours. The results are recorded on DECTAPE to be printed when required, and the program provides error estimates for any flow field parameter.
File Size	4721712
Page Count	123
File Format	PDF
Alternate Webpage(s)	http://archive.org/details/NASA_NTRS_Archive_19720003635
Archival Resource Key	ark:/13960/t5n920s83
Language	English
Publisher Date	1971-08-01
Access Restriction	Open
Subject Keyword	Fluid Mechanics Temperature Ion Probes Flow Distribution Computerized Simulation Transition Flow Spheres Atmospheric Density Velocity Monte Carlo Method D Region Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science
Content Type	Text
Resource Type	Technical Report

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