Analysis of thermal performance of penetrated multi-layer insulation

Details Analysis of thermal performance of penetrated multi-layer insulation Analysis of thermal performance of penetrated multi-layer insulation

Jun 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988tpl..conf.....f&link_type=abstract

AIAA, Thermophysics, Plasmadynamics and Lasers Conference, San Antonio, TX, June 27-29, 1988. 6 p.

Physics

Hubble Space Telescope, Radiant Cooling, Radiative Heat Transfer, Test Facilities, Thermal Insulation, Thermal Vacuum Tests, Surface Geometry, Temperature Gradients

Scientific paper

Results of research performed for the purpose of studying the sensitivity of multi-layer insulation blanket performance caused by penetrations through the blanket are presented. The work described in this paper presents the experimental data obtained from thermal vacuum tests of various penetration geometries similar to those present on the Hubble Space Telescope. The data obtained from these tests is presented in terms of electrical power required sensitivity factors referenced to a multi-layer blanket without a penetration. The results of these experiments indicate that a significant increase in electrical power is required to overcome the radiation heat losses in the vicinity of the penetrations.

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