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Proceedings of the 24th National and 2nd International ISHMT-ASTFE Heat and Mass Transfer Conference (IHMTC-2017)

ISSN Online: 2688-7231

ISBN Online: 978-1-56700-478-6

DEVELOPMENT OF MINIATURE HEAT PIPES FOR THERMAL MANAGEMENT OF ELECTRONICS IN ISRO SPACECRAFT

pages 523-527
DOI: 10.1615/IHMTC-2017.720
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SINOPSIS

Axially grooved heat pipes are widely used for thermal management of electronics in spacecraft. Considering the need of high heat flux electronics in future satellites of ISRO, single-channel axially grooved aluminium-ammonia miniature heat pipes were developed and tested at ISRO satellite centre. In order to gain on-orbit experience and to have flight heritage, a miniature heat pipe was flown on-board GSAT-19 and successfully tested. This paper presents the details of a miniature heat pipe developed in-house, its performance during integrated level satellite thermo-vacuum test on ground and the on-orbit test results.

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