Acme Cryogenics promotes Michael Dewey
CSA Corporate Sustaining Member Acme Cryogenics, Inc. has promoted Michael Dewey to the position of General Manager of Quality Cryogenics of Atlanta, LLC.
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Oxford and Alstom Magnets supply conductors to ITER
Oxford Superconducting Technology and Alstom Magnets and Superconductors have announced the creation of an alliance to collaborate to supply conductors to ITER, one of the largest scientific projects ever undertaken.
Coastal Studies for Girls banner returns from space trip
A banner from Coastal Studies for Girls, a science and leadership school, returned on November 7 from a trip into space on NASA's shuttle Discovery.
Paratherm hires Rich Clements as Sales Manager
Paratherm has also hired Rich Clements as Sales Manager to oversee the current sales staff of technical representatives. He has twenty years of executive level sales management experience and has held positions as Product Director, Plant Manager and Plant Engineer.
GOW-MAC introduces new TCD’s
Replacement thermal conductivity detectors (TCDs) for the Varian 3800 gas chromatograph (GC) are now available from GOW-MAC Instrument Company.
Jim Oetinger new Director of Technology at Paratherm
Jim Oetinger has been appointed Director of Technology at Paratherm. Formerly the head of sales and technical functions, he now focuses on solving heat transfer problems and system issues from customers.
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Helium-3
Helium-3 (3He) is one of the two stable isotopes of helium. The other is the much more common Helium-4 (4He). Neither of these isotopes should be confused with He II, which is the second liquid phase of 4He. He II was discussed in this column in the Spring 2010 edition...
Cryopumping
Cryopumping refers to the use of cryogenic temperatures to produce vacuum in enclosed spaces. More broadly, it can also refer to the removal of gases via cryogenic temperatures from a flow stream or enclosure without necessarily resulting in vacuum pressures. This is an important application of cryogenics and is used...
Thermal Acoustic Oscillations
Thermal Acoustic Oscillations (TAO) are a common event in cryogenic systems that can have significant adverse effects on the performance of the system. TAOs are sustained pressure oscillations that can occur in tubes containing gas, closed at one end (the warm end) that have a very large temperature gradient along...
Air Separation and Liquefaction
by Nils Tellier, PE, President, EPSIM Corporation (CSA CSM) nils@epsim.us All illustrations courtesy EPSIM Corporation Background History of Air Separation and Liquefaction This section builds on a rich history of methods to develop deep refrigeration and cryogenic liquefaction during the 19th Century. You are encouraged to read Cryo Central’s History...
Bose-Einstein Condensate
A Bose-Einstein condensate, first proposed in 1925 by Albert Einstein based on work done by Satyendra Nath Bose (the same Bose from whom the term boson is derived), is a super-cold state of matter in which almost all of the individual atoms have “condensed” down to the lowest possible quantum...
Cold Technology for Pest Control
While it does not reach temperatures cold enough to be called cryogenic, carbon dioxide snow is at the heart of a new way of dealing with unwanted pests. It utilizes a quick freezing process that takes advantage of the properties of carbon dioxide snow and has a number of benefits...
Cryogenic Finishing
The following 3 articles discuss the uses and procedures of various type of cryogenic finishing. 1) By Robin A. Rhodes, Cryogenic Institute of New England, Inc. rrhodes@nitrofreeze.com Cryogenic Deflashing is employed to remove undesired residual mold flash that remains on molded parts after they are removed or ejected from the...
What is the temperature range of cryogenics?
Could you please tell me what is the temperature range of cryogenics? In other words, is -100°F considered cryogenic, or does it start lower? Could I expect to see some extended life in D2 stamping dies? What would the recipe be to achieve the desired results using cryogenics?
Any suggestions for a company producing "secured" heat exchangers?
I am looking for a company producing “secured” heat exchangers to work at a minimum temperature of -45 C on a cooling system for electronics.
Cryogenic properties of Gallium and Tin?
Any suggestions where to find cryogenic properties of non-lead solder materials like Gallium and Tin?