Norbert Holtkamp named Director of the Accelerator Directorate at SLAC
Norbert Holtkamp has been named Director of the Accelerator Directorate at SLAC National Accelerator Laboratory.
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Science Oxford announces plans for new science center
Science Oxford, a charitable organization that promotes the pursuit of science and enterprise in the UK, has announced plans to build a state-of-the-art cultural center that will focus on science.
Jefferson Lab leads the way toward clean cavities
From ILC Newsline: A research team at Jefferson Lab has developed its own detailed set of rules for optimal cleaning. Team members have been working on a regimen for removing imperfections and impurities from superconducting radiofrequency (SRF) niobium cavities.
AMSC chooses superconductor cable subcontractors for Tres Amigas
American Superconductor Corporation announced that it has selected LS Cable and Nexans as superconductor power cable subcontractors for the Tres Amigas SuperStation.
Prof. Todd Adams elected chair of Fermilab’s Users Executive Committee
Todd Adams, Associate Professor at the Florida State University Department of Physics, has been elected chair of Fermilab's Users Executive Committee (UEC) for a term of one year.
ALPHA experiment at CERN traps antimatter atoms
The ALPHA experiment at CERN has made an important step toward the investigation of the difference between matter and antimatter: it has successfully produced and trapped atoms of antihydrogen.
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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...
Thermal shock on steel cylinder when dropped into liquid nitrogen
We are a research team at the University of South Florida, studying the “thermal shock” on a steel cylinder when it is dropped into liquid nitrogen. We want to make sure that the thermocouple does not get influenced by the surrounding LN2. Any advice?
Getter materials to absorb out gassed materials?
Here’s one for the scientists: We would like to sell vacuum insulated pipe for high temperature fluid applications. Are there any good getter materials that we can place in the vacuum space of our VJP to absorb outgassed materials at elevated temperatures?
Data on Carbon Fibres Reinforced Plastic at temperatures between 4 and 300K.
I am looking for data on Carbon Fibres Reinforced Plastic at temperatures between 4 and 300K. I would appreciate it if someone could give me some hints on where to find it.
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.