Speaker
Description
ACT has increased the technology readiness level (TRL) of 3DP LHP systems to TRL 6 and has developed three flight-ready 3DP LHPs to meet a variety of mission needs: a 50 W LHP for a 12U CubeSat, a 250 W LHP for an ESPA-class SmallSat, and a 1kW LHP featuring a passive thermal control valve (TCV) for lunar night survival. Two of the 3DP LHPs (12U CubeSat and 250W ESPA-class SmallSat) are configured with flexible transport lines and deployable radiator panels (DRPs). This presentation shows the design choices, build procedure, testing, and qualification of the three configurations. The covered topics include radiator panel design, hinge line design, DRP deployment modeling and testing, ambient thermal testing, and space-simulating thermal-vacuum testing.