- Additional Authors
- Description
- 1 microfiche (iv, 41 unnumbered pages) : negative, illustrations; 11 x 15 cm.
- Summary
- "The utilization of solid hydrogen in space for sensor and instrument cooling is a very efficient technique for long term cooling or for cooling at high heat rates. The solid hydrogen can provide temperatures as low as 7 to 8 K to instruments. Vapor cooling is utilized to reduce parasitic heat inputs to the 7 to 8 K stage and is effective in providing intermediate cooling for instrument components operating at higher temperatures. The use of solid hydrogen in place of helium may lead to weight reductions as large as a factor of ten and an attendent reduction in system volume. The results of an investigation of a catalytic reactor for use with a solid hydrogen cooling system is presented. Trade studies were performed on several configurations of reactor to meet the requirements of high reactor efficiency with low pressure drop. Results for the selected reactor design are presented for both liquid hydrogen systems operating at near atmospheric pressure and the solid hydrogen cooler operating as low as 1 torr."
- Series Statement
- NASA CR ; 175131
- Uniform Title
- NASA contractor report ; NASA CR-175131.
- Subject
- Note
- Bibliography (note)
- Includes bibliographical references (pages [40-41]).
- Type of Report (note)
- Funding (note)
- Sponsored by the Goddard Space Flight Center
- Call Number
- GPO Microfiche NAS 1.26:175131
- OCLC
- marcive238820299
- Author
Nast, T. C., author.
- Title
Investigation of a para-ortho hydrogen reactor for application to spacecraft sensor cooling / by T.C. Nast.
- Publisher
Palo Alto, Californiaorniaornia : Lockheed Palo Alto Research Laboratories, Lockheed Missiles & Space Company, Inc. ; Greenbelt, Maryland : Goddard Space Flight Center, January 1983.
- Type of Content
text
- Type of Medium
microform
- Type of Carrier
microfiche
- Series
NASA CR ; 175131
NASA contractor report ; NASA CR-175131.
- Bibliography
Includes bibliographical references (pages [40-41]).
- Type Of Report
Final report.
- Funding
Sponsored by the Goddard Space Flight Center NAS 5-25792 LMSC-D877499
- Indexed Term
NASA headings: Cooling systems - Heat exchangers - Hydrogen - Catalytic activity - Chemical reactors - Solids - Adiabatic conditions - Chemical equilibrium - Reaction kinetics - Pressure effects - Weight reduction - Tables (Data)
- Added Author
Lockheed Palo Alto Research Laboratory, issuing body.
Lockheed Missiles and Space Company.
Goddard Space Flight Center, sponsoring body.
United States. National Aeronautics and Space Administration.
- Other Form:
Online version: Nast, T. C. Investigation of a para-ortho hydrogen reactor for application to spacecraft sensor cooling (OCoLC)891198408
- Gpo Item No.
0830-H-14 (MF)
- Sudoc No.
NAS 1.26:175131