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Long Term Heat Pipe Reliability Assessment Study Progress Report
Keywords: heat pipe, reliability , acceleration factor
One factor that has can inhibit the use of heat pipes in long-life systems, such as avionics, is the lack of a generally accelerated test method that demonstrates whether a heat pipe will meet a given product life requirement. This presentation will describe a test approach with a goal of determining acceleration factors that will allow accelerated testing to predict field life. The acceleration factor is based on the assumption that long term heat pipe degradation is due to temperature-dependent chemical reactions occurring within the heat pipe. This presentation will describe the theoretical background for the testing, the test approach used, and the results of testing to date.
Ross Wilcoxon, Principal Mechanical Engineer
Rockwell Collins
Cedar Rapids, IA
United States

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