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NASA NTRS · 19650052655

Pressure effects on postulated lunar materials.

Glaser, P. E.·Wechsler, A. E.
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Abstract

Thermal conductivity of solid, porous and powder rocks and minerals at subnormal temperatures and pressures with respect to lunar surface material

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BibTeXRIS

Glaser, P. E., Wechsler, A. E.. 1965-09-01. Pressure effects on postulated lunar materials.. https://ntrs.nasa.gov/citations/19650052655

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The Surveyor Thermal Switch

The extemal temperatme extremes of the lunar swjace dictated that a means be found to control the two electronic compartments on the Surveyot soft lunar landing vehicle within a narrower temperatme band to assure satisfactory component pmjonnance. Accordingly, thermal switches were developed to conduct heat away from temperature-sensitive components while heat-generating components were operating during the lunar day, and to retain heat at night when the equipment was off. Future equipment required to vary thermal conductivities, should this principle be employed, can benefit greatly from the results of the many problems encountered and studies made.

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