Indian Society for Heat and Mass Transfer
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DEVELOPMENT OF MINIATURE HEAT PIPES FOR THERMAL MANAGEMENT OF ELECTRONICS IN ISRO SPACECRAFT

Akhil Jaiswal
Thermal Systems Group ISRO Satellite Centre Bangalore, INDIA

A. R. Anand
Thermal Systems Group, ISRO Satellite Centre, Bangalore-560017, India

Simhachal Rao Chikkala
Thermal Systems Group ISRO Satellite Centre Bangalore, INDIA

Venkata Raghavendra
Thermal Systems Group ISRO Satellite Centre Bangalore, INDIA

DOI: 10.1615/IHMTC-2017.720
pages 523-527

摘要

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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