Air Liquide DTA names Adamo Screnci Commercial Director
CSA Corporate Sustaining Member Air Liquide DTA has named Adamo Screnci Commercial Director.
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Linde introduces mobile hydrogen refueling unit
Linde created a mobile hydrogen refueling unit with which it is possible to refuel both with liquid hydrogen and gaseous hydrogen completely autonomous.
John Miller accepts new position at ORNL
John Miller, former director of Magnet Science and Technology (MS&T) at the National High Magnetic Field Laboratory (NHMFL), has accepted the position of magnet system team leader at the Oak Ridge National Laboratory, starting at the end of June. Both labs are CSA Corporate Sustaining Members. Mark Bird has now...
Students found dead inside deflated helium balloon
Two college students were found dead on June 4 inside a large, deflated helium balloon. Officials said the students had apparently pulled the balloon down and crawled inside it. Inhaling helium can lead to brain damage and death from lack of oxygen, according to the Compressed Gas Association.
Justin Schwartz named Editor-in-Chief
Justin Schwartz, a professor of engineering at Florida State University, has recently been named Editor-in-Chief of IEEE Transactions on Applied Superconductivity publications. Schwartz is a recipient of the CSA Roger W. Boom Award.
Cryogenics Division of SHI acquires APD Cryogenics
In February 2002, the Cryogenics Division of Sumitomo Heavy Industries (SHI), one of the most respected cryogenic companies in the world, acquired APD Cryogenics.
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Dewar
A dewar is a type of cryostat named after Sir James Dewar, the researcher who first developed the concept of a vacuum insulated container with silvered walls to reflect thermal radiation. Dewar was the first to liquefy hydrogen, and he created the device to store his discovery. The thermos bottle...
Stirling and Gifford-McMahon Cryocoolers
Stirling and Gifford-McMahon (GM) cryocoolers are two of the most commonly used cryocoolers in cryogenics. Both devices have a significant industrial base and operate at a wide range of temperatures and capacities. The thermodynamic cycles for both of these cryocoolers are quite similar. The Stirling cycle consists of a compressor,...
Liquefied Natural Gas (LNG)
A significant commercial application of cryogenics is the liquefaction, transport and storage of natural gas. Liquefied Natural Gas (LNG) is generally 95 percent methane with a few percent ethane and much lower concentrations of propane and butane. LNG liquefies at 111.6 K. Unlike many applications of cryogenics, the motivation for...
Cryogenic Treatment of Materials
F.J. Diekman Controlled Thermal Processing, Inc. info@metal-wear.com Cryogenic Processing (also called cryogenic treatment, and incorrectly “cryogenic tempering”) is a process that uses cryogenic temperatures to modify materials to enhance their performance. Cryogenic Processing involves the slow reduction in temperature of the material to at least -300°F (-185°C) and holding the...
Cryogenics in Space
Peter Kittel University of California-Berkeley pkittel@cal.berkeley.edu Space Cryogenics is the application of cryogenics to space missions. These applications fall into two broad areas, supporting space science missions and supporting the space transportation infrastructure. Science applications: The atmosphere is opaque to much of the electro-magnetic spectrum. In space, the absence of...
Cryosurgery
Review of Cryosurgery Boris Rubinsky, PhD Hebrew University School of Science and Engineering Research Center for Biomedical Engineering 78b Ross Building Givat Ram, Jerusalem 91904 Israel rubinsky@cs.huji.ac.il as published in Annual Review of Biomedical Engineering, August 2000, Vol. 2, pp. 157-187. Abstract: Cryosurgery is a surgical technique that employs freezing...
Liquefied Natural Gas
Liquefied Natural Gas as it relates to the Field of Cryogenics John W. Bonn VJ Systems, LLC johnbonn@vjsystems-lic.com Today the world is looking for a cleaner fuel and Liquefied Natural Gas (LNG) plays a large part in achieving this goal. LNG in a liquid form is at -162°C (-259°F) and...
Refrigeration capacity at 4.5 K for higher temp cryo systems
I would like to know how to calculate the equivalent refrigeration capacity at 4.5 K of a cryogenic system operating at higher temperature.
Need help with calculating flow rate
I have to maintain a certain mass (some tons) at 100 K by circulating in it GHe (through apposite channels). How can I calculate the flow rate needed? I suppose that the delta T (T inlet and T outlet) and the heat load on the mass are necessary. Knowing the...
What do cryogenics companies do about liability insurance?
What do cryogenics companies do about liability insurance? Is there a special type for cryogenics?
License requirements for storage and transport of cryogenic materials
Are you aware of permitting or license requirements (other than local city or town) needed for the storage or transportation of cryogenic materials?