Active wireless temperature sensors for aerospace thermal protection systems

Frank S. Milos; K.S.G. Karunaratne

doi:10.1117/12.483813

1 August 2003 Active wireless temperature sensors for aerospace thermal protection systems

Frank S. Milos; K.S.G. Karunaratne

Author Affiliations +

Proceedings Volume 5047, Smart Nondestructive Evaluation and Health Monitoring of Structural and Biological Systems II; (2003) https://doi.org/10.1117/12.483813
Event: NDE for Health Monitoring and Diagnostics, 2003, San Diego, California, United States

Abstract

Vehicle system health diagnostics is an area where major improvements have been identified for potential implementation into the design of new reusable launch vehicles in order to reduce life-cycle costs, to increase safety margins, and to improve mission reliability. NASA Ames is leading the effort to advance inspection and health management technologies for thermal protection systems. This paper summarizes a joint effort by NASA Ames and Korteks to develop active "wireless" sensors that can be embedded in the thermal protection system to monitor subsurface temperature histories. These devices are thermocouples integrated with radio-frequency identification circuits to enable non-contact communication of temperature data through aerospace thermal protection materials. Two generations of prototype sensors are discussed. The advanced prototype collects data from three type-k thermocouples attached to a 25-mm square integrated circuit and can communicate through 7 to 10 cm thickness of thermal protection materials.

Citation Download Citation

Frank S. Milos, Frank S. Milos, K.S.G. Karunaratne, K.S.G. Karunaratne, } "Active wireless temperature sensors for aerospace thermal protection systems", Proc. SPIE 5047, Smart Nondestructive Evaluation and Health Monitoring of Structural and Biological Systems II, (1 August 2003); doi: 10.1117/12.483813; https://doi.org/10.1117/12.483813

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