| title | Thermal Vacuum Test Performance of the Hubble Space Telescope (HST) Wide Field Camera 3 (WFC3) Variable Conductance Heat Pipe Assembly |
| Full Text URI | http://hdl.handle.net/2060/20030053443 |
| Author(eng) | Stavely, Richard A.; Buchko, Matthew T.; Cleveland, Paul E. |
| Author Affiliation(eng) | NASA Goddard Space Flight Center |
| Issue Date | 2003-01-01 |
| Language | eng |
| Description | The Variable Conductance Heat Pipe (VCHP) Assembly of the HST Wide Field Camera 3 was subjected to thermal vacuum (TN) environmental testing. The test program included both maximum and minimum environments as well as simulated on-orbit cycling. Elements of the VCHP assembly included a VCHP, an optical bench cold plate with an imbedded constant conductance heat pipe, and a VCHP reservoir radiator with a proportionally controlled heater. The purpose of the test was to characterize and demonstrate the assembly s ability to control the temperature of the cold plate, which provides a stable thermal environment for the instrument s optical bench. This paper discusses the VCHP Assembly control performance and control authority during the dynamic hot and cold 90-minute orbit cycling test phases. |
| NASA Subject Category | Quality Assurance and Reliability |
| Report No | SAE-2003-01-2459 |
| Rights | Copyright, Distribution as joint owner in the copyright |
