A superconductor-surrogate earns its stripes
Understanding superconductivity, whereby certain materials can conduct electricity without any loss of energy, has proved to be one of the most persistent problems in modern physics.
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Metamaterials may offer route to room-temperature superconductivity
A new way of making high-temperature superconductors that is based on metamaterials has been proposed by physicists at the University of Maryland.
Korea has completed ITER Nb3Sn strand production
At the end of November, Korea became the first Domestic Agency to complete the production of niobium-tin (Nb3Sn) strand for ITER's toroidal field conductors.
Lockheed Martin manufactures LNG storage tanks
Building on a 38-year history of manufacturing external tanks for NASA’s Space Shuttle program, Lockheed Martin is producing liquefied natural gas (LNG) storage tanks.
University of Houston physicist honored as rising star in Texas research
Zhifeng Ren, M.D. Anderson Chair Professor of Physics and principal investigator at the Texas Center for Superconductivity, a physicist with the University of Houston College of Natural Sciences and Mathematics, has been honored with the Edith and Peter O’Donnell Award in Science from The Academy of Medicine, Engineering & Science...
Blue Origin debuts BE-3 liquid hydrogen rocket engine
Blue Origin reached a key milestone in the development of the liquid-fueled BE-3 engine by successfully demonstrating deep throttle, full power, long-duration and reliable restart all in a single-test sequence.
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Liquid Hydrogen
Hydrogen becomes a liquid at 20K and 1 bar. Liquid hydrogen (LH2) is an important substance in industry, transportation and research. Industrial uses of hydrogen include applications in the electronics, glass, chemical and metal processing fields. In these applications, the hydrogen is generally used as a room temperature gas but...
Superconducting Radiofrequency Cavities
Superconducting radio frequency (SRF) cavities represent an important application of cryogenics and superconductivity. SRF cavities are a technology for accelerating charged particle beams via the transfer of radiofrequency (RF) energy to the beams via resonant structures. As such, they are frequently found in large particle accelerators used for scientific research....
Thermal Radiation Shields
Actively cooled thermal radiation shields are a common feature of cryostats whose lowest temperature is less than 77K. These shields, which typically operate at temperatures between that of LN2 and 40K, block thermal radiation from higher temperatures from reaching lower temperature cryogenic components or fluids. Since the heat radiated from...
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...
Benefit of cryotreatment of audio circuit boards and interconnecting cables
Does cryotreatment of audio circuit boards and interconnecting cables (copper, silver, gold) properly done, provide a permanent benefit?
Standards and codes for design of cryogenic equipment?
What standards and codes are used in the design of cryogenic equipment?
Cryogenic thermophysical property data
I am in search of information regarding cryogenic thermophysical property data, specifically, Thermal Conductivity, Thermal Expansion, Stiffness and Modulus, in the 20K range. My list of materials include: Ti-6AL-4V (ELI), Al 6061-T651, and Invar (36%, plus any other composition which might have data available). Other materials which would be helpful...
Issue with insulation for ventilation system
I am with the Goodrich Corporation, an Aerospace products manufacturer. We currently utilize a number of environmental chambers (LN2 based) for environmental type conformity testing.