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Record 1 of 9712
Spacecraft thermal energy accommodation from atomic recombination
Author and Affiliation:
Carleton, Karen L.(Physical Sciences, Inc., Andover, MA, United States)
Marinelli, William J.(Physical Sciences, Inc., Andover, MA, United States)
Abstract: Measurements of atomic recombination probabilities important in determining energy release to reusable spacecraft thermal protection surfaces during reentry are presented. An experimental apparatus constructed to examine recombination of atomic oxygen from thermal protection and reference materials at reentry temperatures is described. The materials are examined under ultrahigh vacuum conditions to develop and maintain well characterized surface conditions that are free of contamination. When compared with stagnation point heat transfer measurements performed in arc jet facilities, these measurements indicate that a significant fraction of the excess energy available from atom recombination is removed from the surface as metastable O2.
Publication Date: Jun 01, 1991
Document ID:
19910058783
(Acquired Nov 28, 1995)
Accession Number: 91A43406
Subject Category: CHEMISTRY AND MATERIALS (GENERAL)
Report/Patent Number: AIAA PAPER 91-1337
Document Type: Preprint
Publisher Information: United States
Contract/Grant/Task Num: NAS9-17815
Financial Sponsor: NASA; United States
Organization Source: Physical Sciences, Inc.; Andover, MA, United States
Description: 11p; In English
Distribution Limits: Unclassified; Publicly available; Unlimited
Rights: Copyright
NASA Terms: ATOMIC RECOMBINATION; HEAT TRANSFER; REENTRY VEHICLES; REUSABLE HEAT SHIELDING; REUSABLE SPACECRAFT; THERMAL PROTECTION; ARC JET ENGINES; METASTABLE STATE; OXYGEN ATOMS; STAGNATION POINT; ULTRAHIGH VACUUM
Imprint And Other Notes: AIAA, Thermophysics Conference, 26th, Honolulu, HI, June 24-26, 1991. 11 p.
Availability Source: Other Sources
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