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Proceedings Paper

Lifetime validation of high-reliability (>30,000hr) rotary cryocoolers for specific customer profiles
Author(s): Jean-Marc Cauquil; Cédric Seguineau; Christophe Vasse; Gaetan Raynal; Tonny Benschop
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Paper 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.

Paper Details

Date Published: 9 May 2018
PDF: 12 pages
Proc. SPIE 10626, Tri-Technology Device Refrigeration (TTDR) III, 106260H (9 May 2018); doi: 10.1117/12.2309792
Show Author Affiliations
Jean-Marc Cauquil, Thales LAS France S.A.S. (France)
Cédric Seguineau, Thales LAS France S.A.S. (France)
Christophe Vasse, Thales LAS France S.A.S. (France)
Gaetan Raynal, Thales LAS France S.A.S. (France)
Tonny Benschop, Thales Cryogenics B.V. (Netherlands)


Published in SPIE Proceedings Vol. 10626:
Tri-Technology Device Refrigeration (TTDR) III
Mansoor Sheik-Bahae; Richard I. Epstein; Bjørn F. Andresen; Tonny Benschop; Joseph P. Heremans; Sergey V. Riabzev, Editor(s)

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