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Engineering and Technology Colloquia Series

The Origins Space Telescope: The predecessors and unique challenges of a 4 Kelvin Observatory

Presented by: Mike DiPirro  (n/a)
Category: Engineering Colloquia   Duration: 1 hour and 30 minutes   Broadcast date: November 13, 2018
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Abstract: To be successful in the design, build, verification, and operation of a low-temperature observatory, one must first deal with the BFP: the Big Fundamental Problem, which is achieving low temperature. Cryogenic design techniques are employed, such as staged cooling, use of proper materials for thermal conductivity and isolation, strategic use of superconductivity, and deterministic solutions to thermal problems. This results in a design that works at all levels: quick trade-offs can be performed with hand calculations; detailed modeling can be done with fewer uncertainties; testing can be performed with better assurance of full performance while assuming lower cost risk. Adapting one of Einstein's sayings, "Cryogenics should be as simple as possible and no simpler."

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