Nucleate boiling heat-transfer data for liquid hydrogen at standard and zero gravity
Journal Article
·
· Advan. Cryog. Eng.
Zero-g nucleate boiling heat transfer tests were performed to study the action of boiling liquid hydrogen on the face of a heated surface and to determine the heat flux as a function of the temperature in both one-g and zero-g environments. Visual observation of boiling for a range of heat fluxes between 250 and 7000 Btu/hr- ft2 showed that the bubbles formed at the heated surface coalesced and the surface tension forces were sufficient to rewet the surface behind the bubble. Data indicated that the zero-g nucleate boiling heat transfer is approximately the same as one-g boiling heat transfer results for the particular test-specimen orientation used throughout the tests and for the zero-g test duration times available.
- Research Organization:
- General Dynamics/Astronautics, San Diego, Calif.
- Sponsoring Organization:
- USDOE
- NSA Number:
- NSA-17-028095
- OSTI ID:
- 4713871
- Journal Information:
- Advan. Cryog. Eng., Journal Name: Advan. Cryog. Eng. Vol. Vol: 8
- Country of Publication:
- Country unknown/Code not available
- Language:
- English
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