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To allow mid-infrared observations within the JWST, the MIRI instrument has an additional cooling system. It works roughly similar to how most refrigerators or an air-conditioner works: a fluid is brought down to a cold temperature in the warm section, and sent back to the cold section where it absorbs heat, then it goes back to the condenser.
Michael Petach (December 30, 1959 – June 25, 2024) was an American engineer who made contributions in the fields of cryogenics and thermoacoustics in developing systems for space applications. He worked as an engineer for Northrop Grumman. His notable work revolved around developing cryocoolers and the traveling-wave thermoacoustic electric ...
This page was last edited on 30 July 2024, at 05:30 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may ...
Originally based in Tigard, Oregon, the company relocated to Portland, Oregon, in the mid-1990s. In 1990, the company acquired the industrial infrared imaging group of Hughes Aircraft Company. [12] In June 1993, the company became a public company via an initial public offering, raising $12 million. [13] [14]
The following is a timeline of low-temperature technology and cryogenic technology (refrigeration down to close to absolute zero, i.e. –273.15 °C, −459.67 °F or 0 K). [1] It also lists important milestones in thermometry , thermodynamics , statistical physics and calorimetry , that were crucial in development of low temperature systems.
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Nitrogen is a liquid under −195.8 °C (77.3 K).. In physics, cryogenics is the production and behaviour of materials at very low temperatures.. The 13th International Institute of Refrigeration's (IIR) International Congress of Refrigeration (held in Washington DC in 1971) endorsed a universal definition of "cryogenics" and "cryogenic" by accepting a threshold of 120 K (−153 °C) to ...
A cryogenic processor is a device engineered to reduce the temperature of an object to cryogenic levels, typically around −300°F (−184.44°C), at a moderate rate in order to prevent thermal shock to the components being treated. The inception of commercial cryogenic processors dates back to the late 1960s, pioneered by Ed Busch. [1]