Strix - 1/4 W Split Stirling Cooler Reliability Status.

N Pundak

doi:10.1117/12.941808

10 November 1987 Strix - 1/4 W Split Stirling Cooler Reliability Status.

N Pundak

Proceedings Volume 0819, Infrared Technology XIII; (1987) https://doi.org/10.1117/12.941808
Event: 31st Annual Technical Symposium on Optical and Optoelectronic Applied Sciences and Engineering, 1987, San Diego, CA, United States

Abstract

This report covers a life demonstration test which was carried out during July 86 - March 87 as part of Ricor Ltd. product improvement program. 8 Units STRIX 1/4 W Split Stirling Cryocoolers were subjected to test profiles according to NVEOL Specs. 132-28A050127 A - 4 units, and IDF specs A001/86 - 4 units. Ambient temperature span in both profiles was -32 .. +52°C. The IDF specs. include random vibrations for 10 hours every 250 hours. The test was witnessed by and reported to the IDF test and evaluation unit and El-Op Ltd. QA department. Meantime to failure (MTTF) observed in test was 2020 hours, standard deviation of 563 hours. About half of the failures were assumed to be the result of gaseous contamination. Compressor and motor MTTF were well above 2000 hours. Operation in a closed loop temperature control mode by power conditioner/temperature controller module EM4138 can extend cooler reliability by about 30 %.

Citation Download Citation

N Pundak "Strix - 1/4 W Split Stirling Cooler Reliability Status.", Proc. SPIE 0819, Infrared Technology XIII, (10 November 1987); https://doi.org/10.1117/12.941808

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