Special Topics

  • Ben-Zion Maytal
  • John M. Pfotenhauer
Part of the International Cryogenics Monograph Series book series (ICMS)


This chapter deals with some topics of general relevance to all formerly discussed aspects of operating Joule-Thomson cryocoolers: the necessary purity of the coolant, consumed flow rates and numerical modeling of cryocoolers. Attention is dedicated to the unique field of cryosurgical probes and devices that utilize miniature Joule-Thomson cryocooling. The closing section discusses the negative Joule-Thomson effect and its application for progressive warming.


Heat Exchanger Expansion Valve Fixed Orifice Cryogenic Engineer Instantaneous Flow Rate 
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Copyright information

© Springer Science+Business Media New York 2013

Authors and Affiliations

  • Ben-Zion Maytal
    • 1
  • John M. Pfotenhauer
    • 2
  1. 1.Missiles and NCW DivisionRafael Advanced Defense Systems Ltd.HaifaIsrael
  2. 2.Department of Mechanical EngineeringUniversity of WisconsinMadisonUSA

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