How Webb's Cryocooler Works - MIRI is less than 7 Kelvin!

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How MIRI's Cryocooler works:
00:00 Intro
01:00 Helium Cryostats vs. Cryocoolers
03:04 Joule-Thomson Cooler
05:13 Magellan TV
06:01 MIRI's Cryocooler Layout
07:05 Thermoacoustic Pulse Tube Pre-Cooler
09:01 Cryocooler Tower Assembly
11:10 Pinch Point Transition
13:22 Thanks to my Patrons!

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🧭 References:
@NightHawkInLight 's series on thermoacoustic pulse tube coolers:
   • Acoustic Energy & Surprising Ways To ...  
   • Acoustic Cooling & How To Manipulate ...  
Petach et al 2019: https://www2.jpl.nasa.gov/adv_tech/co...
Petach et al 2016: https://www2.jpl.nasa.gov/adv_tech/co...
A.A.Boroujerdi, M.Ziabasharhagh 2014: https://doi.org/10.1016/j.enconman.20...
%20MIRI%20Cooler%20Cold%20Head%20Testing.pdf
Durand et al 2009: https://cryocooler.org/resources/Docu...
Ray Radebaugh 2003: https://trc.nist.gov/cryogenics/Paper...
Ross, Jr. and Boyle 2002: https://www2.jpl.nasa.gov/adv_tech/co...
NBS 1981: https://nvlpubs.nist.gov/nistpubs/Leg...

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For business inquiries - chris AT christianready DOT com
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📭 c/o Christian Ready
P.O. Box 66
Westminster, MD 21158
United States
Earth

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