NASA Plum Brook builds world’s largest vacuum chamber
The world's largest vacuum chamber has been built by NASA Plum Brook.
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W. Vincent Liu wins Outstanding Young Researcher Award
W. Vincent Liu, Assistant Professor of Physics and Astronomy at the University of Pittsburgh, is the winner of the 2007 Outstanding Young Researcher Award of the Overseas Chinese Physics Association.
Dr. Steven Van Sciver named CSA fellow
Dr. Steven Van Sciver, the John Gorrie Professor of Mechanical Engineering at the Florida A&M University-Florida State University College of Engineering and a founding member of the National High Magnetic Field Laboratory, became just the fifth member of the Cryogenic Society of America to be named a fellow.
Larbalestier receives Lifetime Achievement Award
Dr. David Larbalestier, Director of Florida State University's Applied Superconductivity Center, received the Lifetime Achievement Award from the International Cryogenic Materials Conference (ICMC) on July 17 in Chattanooga.
Dr. Lucio Rossi receives IEEE Council on Superconductivity Award
The prestigious IEEE Council on Superconductivity award for continuing and significant contributions in the field of applied superconductivity was awarded to Dr. Lucio Rossi of CERN for his "significant and sustained contributions" on large scale applications.
Art Francis, long-time CSA member, dies
We are sorry to report the death of Art Francis, an expert in Helium, and long-time member of the Cryogenic Society of America.
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Refrigerators and Liquefiers
Two of the most common terms used in cryogenics are “refrigerator” and “liquefier.” These terms describe similar and, as will be seen, in some cases identical components. A refrigerator provides cooling (that is, absorbs heat) at cryogenic temperatures. Refrigerators typically put a working fluid (such as helium) through one of...
Air Separation
Air separation is one of the largest, as well as earliest, industrial applications of cryogenics. In this process, cryogenic temperatures are used to separate air into its constituent gases: nitrogen (78.08%), oxygen (20.95%), argon (0.93%) and carbon dioxide (0.3%). Trace gases such as krypton, neon, xenon and helium total far...
Coefficient of Performance and Figure of Merit
The coefficient of performance (COP) is used to describe the effectiveness of refrigerators, including those operating at cryogenic temperatures. The COP is defined as the amount of heat removed at the cryogenic operating temperature of the refrigerator divided by the amount of work that must be applied to remove the...
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...
Design of cryostats and suspension mechanisms for insulation and cryostat shielding
I’m looking for information about the design of cryostats and suspension mechanisms for insulation and cryostat shielding.
Southern California companies doing cryogenic hardening of engine parts?
Do you have any information on where to find companies in Southern California that do cryogenic hardening of engine parts?
Liquid nitrogen as coolant in machining industry?
What kinds of information do you have on the uses of liquid nitrogen as a coolant in the machining industry?
Where can I find Information about air separation techniques?
I have a small air separation plant: 50Nm3/hr. Where can I find information about air separation techniques? For example, the starting time is now 12 hours after defrost–I want to know if it’s possible to reduce that.