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Worthington acquires Taylor Wharton’s CryoScience business

Worthington Industries, Inc., announced its cryogenics business in the pressure cylinders segment is purchasing the assets of the global CryoScience business of Taylor Wharton Cryogenics, including a manufacturing facility in Theodore AL. Worthington will also acquire certain other intellectual property and manufacturing assets of Taylor Wharton focused on the cryogenic...

LHC collides ions at new record energy

After the successful restart of the CERN Large Hadron Collider (LHC) and its first months of data taking with proton collisions at a new energy frontier, the LHC is moving to a new phase, with the first lead-ion collisions of Run 2 at an energy about twice as high as...

11 articles added to the Cryogenic Treatment Database

The Cryogenic Treatment Database, CSA's resource for research and information in the field of cryogenic treatment, has been updated. We encourage you to visit the database and share this information with researchers and others in the field.

Authorities call for regulation of cryotherapy

Investigation into the recent death of Chelsea Ake-Salvacion in a liquid nitrogen cryotherapy chamber at RejuvenIce in Henderson NV points to oxygen deprivation as the cause of death. In the wake of this tragic accident, authorities are calling for steps to regulate the use of cryotherapy, which has recently been...

LCLS researchers discover new dimension to high temperature superconductivity

A team led by scientists at the US Dept. of Energy (DOE)’s SLAC National Accelerator Laboratory observed a new type of "charge density wave" after combining powerful magnetic pulses with some of the brightest X-rays on the planet. The resulting 3-D effect appears closely linked to high temperature superconductivity, though...

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Regenerators

Regenerators or regenerative heat exchangers are a key component of cryocoolers such as pulse tube cryocoolers (Cold Facts, August 2014). Regenerator performance greatly affects the coefficient of performance of cryocoolers. Improvements in regenerator design and, in particular, regenerator materials have been an important factor in the improvement of the performance...

Pulse Tube Cryocoolers

The development of pulse tube cryocoolers has been a significant topic of research and development over the past 20 or so years. Pulse tube cryocoolers have a number of advantages over other types of cryocoolers and are now available commercially. In order to understand pulse tube cryocoolers, it’s best to...

Thermal Expansion

Thermal expansion refers to the change in size (length or volume) that a material undergoes as its temperature changes. In cryogenic systems this effect can be quite large and must be allowed for in the design. In isotropic materials, which include most engineering materials, the thermal expansion is the same...

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...

Suppliers of regenerator materials

I was looking for suppliers of regenerator materials. Can you please provide a list of vendors for: • Lead spheres • Bronze screen discs • Rare earth materials and spheres Thank you in advance for any help you can provide.

Containing ice accumulation while recovering helium

We are implementing a system to recover helium from our Janis ST-500 continuous flow LHe cryostat. The recovery system uses standard 1/4″ plastic tubing, which we connect directly to the cryostat’s exhaust port. The problem with this setup is that the gas is still quite cold as it leaves the...