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Discipline report on thermal analyses of M551, M552, and M553 experimentsReduced gravity does not significantly affect the thermal histories in the M551 specimen, even if molten metal flow pattern is different from that in terrestrial conditions. Thermal histories corresponding to terrestrial experimental conditions were calculated by use of the computer programs. Heat conduction through brazing alloy (M552 experiment) is improved in the Skylab conditions, because of the increased extent, rate and uniformity of braze spreading in space. Effects of reduced gravity on heat flow in the M553 specimen are insignificant, because convection effects appear instantaneously and conduction is a governing factor on the heat flow.
Document ID
19750002890
Acquisition Source
Legacy CDMS
Document Type
Contractor Report (CR)
Authors
Muraki, T. (Massachusetts Inst. of Tech. Cambridge, MA, United States)
Masubuchi, K. (Massachusetts Inst. of Tech. Cambridge, MA, United States)
Date Acquired
September 3, 2013
Publication Date
November 1, 1974
Subject Category
Astronautics (General)
Report/Patent Number
NASA-CR-120513
Accession Number
75N10962
Funding Number(s)
CONTRACT_GRANT: NAS8-28732
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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