Lifetime validation of high-reliability (>30,000hr) rotary cryocoolers for specific customer profiles

Jean-Marc Cauquil; Cédric Seguineau; Christophe Vasse; Gaetan Raynal; Tonny Benschop

doi:10.1117/12.2309792

9 May 2018 Lifetime validation of high-reliability (>30,000hr) rotary cryocoolers for specific customer profiles

Jean-Marc Cauquil, Cédric Seguineau, Christophe Vasse, Gaetan Raynal, Tonny Benschop

Proceedings Volume 10626, Tri-Technology Device Refrigeration (TTDR) III; 106260H (2018) https://doi.org/10.1117/12.2309792
Event: SPIE Defense + Security, 2018, Orlando, FL, United States

Abstract

The cooler reliability is a major performance requested by the customers, especially for 24h/24h applications, which are a growing market. Thales has built a reliability policy based on accelerate ageing and tests to establish a robust knowledge on acceleration factors. The current trend seems to prove that the RM2 mean time to failure is now higher than 30,000hr. Even with accelerate ageing; the reliability growth becomes hardly manageable for such large figures. The paper focuses on these figures and comments the robustness of such a method when projections over 30,000hr of MTTF are needed.

Conference Presentation

Citation Download Citation

Jean-Marc Cauquil, Cédric Seguineau, Christophe Vasse, Gaetan Raynal, and Tonny Benschop "Lifetime validation of high-reliability (>30,000hr) rotary cryocoolers for specific customer profiles", Proc. SPIE 10626, Tri-Technology Device Refrigeration (TTDR) III, 106260H (9 May 2018); https://doi.org/10.1117/12.2309792

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