TPX for In-Orbit Demonstration of Two-Phase Heat Transport Technology-Evaluation of Flight & Post-Flight Experiment Results

Paper #:
  • 951510

Published:
  • 1995-07-01
Citation:
Delil, A., Heemskerk, J., Mastenbroek, O., Dubois, M. et al., "TPX for In-Orbit Demonstration of Two-Phase Heat Transport Technology-Evaluation of Flight & Post-Flight Experiment Results," SAE Technical Paper 951510, 1995, https://doi.org/10.4271/951510.
Pages:
22
Abstract:
As two-phase flow and heat transfer is expected to strongly depend on the gravity level, a Two-Phase eXperiment has been developed for ESA to demonstrate two-phase heat transport system technology in orbit. TPX, a reduced-scale capillary pumped two-phase ammonia loop with a flat and a cylindrical capillary evaporator and an actively controlled reservoir for loop temperature setpoint control, included downscaled components of mechanically pumped loops: multichannel condensers, vapour quality sensors, and a controllable 3-way valve for vapour quality control exercises.The presented detailed evaluation of the experiment results obtained during the TPX flight on STS60, clearly proves the viability of two-phase technology for space.
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