PSP Bibliography


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Development of a high-temperature optical coating for thermal management on solar probe plus

AuthorCongdon, Elizabeth; Mehoke, Douglas; Buchta, Mark; Nagle, Dennis; Zhang, Dajie; Spicer, James;
KeywordsHeat shielding; Heat transfer; NASA; Optical coatings; Probes; Thermal insulating materials; Thermal variables control; Parker Engineering
AbstractNASA s Solar Probe Plus (SPP) is approaching within 9.5 solar radii from the center of the sun. The SPP thermal protection system (TPS) is a 2.7 meter heat shield. The heat shield reaches temperatures of 1400°C on its front surface, its worst thermal case, and is subjected to launch loads, its worst mechanical case. The front surface of the thermal protection system is coated with an optically white coating in order to reduce the front surface temperature of the TPS and reduce the resulting heat flow into the spacecraft. At the temperatures experienced by the TPS, the optical properties are influenced by temperature more than in standard thermal control surfaces. Being able to accurate predict the optical performance of the coating at the temperature extremes of the mission is critical to understanding the thermal capabilities of the spacecraft and thermal protection system. A coating has been developed that can meet the requirements of the SPP TPS and it has been engineered to improve its optical properties at high temperature. © 2010 by the American Institute of Aeronautics and Astronautics, Inc. to exercise all rights for Governmental purposes. All other rights are reserved by the copy-right owner. © 2010 by the American Institute of Aeronautics and Astronautics, Inc.
Year of Publication2010
Journal10th AIAA/ASME Joint Thermophysics and Heat Transfer Conference
Number of Pages
Date Published