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Paratherm hires Rich Clements as Sales Manager

Paratherm has also hired Rich Clements as Sales Manager to oversee the current sales staff of technical representatives. He has twenty years of executive level sales management experience and has held positions as Product Director, Plant Manager and Plant Engineer.

GOW-MAC introduces new TCD’s

Replacement thermal conductivity detectors (TCDs) for the Varian 3800 gas chromatograph (GC) are now available from GOW-MAC Instrument Company.

Jim Oetinger new Director of Technology at Paratherm

Jim Oetinger has been appointed Director of Technology at Paratherm. Formerly the head of sales and technical functions, he now focuses on solving heat transfer problems and system issues from customers.

FAIR project underway in Darmstadt

Construction of the Facility for Antiproton and Ion Research (FAIR), a new $1.2 billion particle accelerator, will begin in the German city of Darmstadt as part of a project by the German Society for Heavy Ion Research (GSI).

Linde sells packaged gas business to Airgas Inc.

CSA Corporate Sustaining Member Linde Cryogenics sold their packaged gas business to Airgas Inc. at the close of business on June 30, 2007.

HYPRES to build all-digital receiver for SELEX

HYPRES, Inc. has made plans to build an all-digital receiver for SELEX Communications as part of their software defined radio.

Latest in Defining Cryogenics

Mixed Refrigerant Cycles

Most cryogenic refrigeration systems, both large scale systems and cryocoolers, use helium as a working fluid. There are a number of advantages to helium, not the least of which is that helium remains a fluid down to the lowest achievable temperatures. In order to freeze helium, pressures of over 20...

Fountain Pumps and He II Phase Separators

Helium II (He II), the second liquid phase of the 4He isotope described in this column in Cold Facts Spring 2010 (http://2csa.us/he2), can be modeled as consisting of two interpenetrating fluids. One, the superfluid component, has zero viscosity and entropy and the other, the normal fluid component, has nonzero viscosity...

Turboexpanders

A vital technology in the refrigerators and liquefiers described in Cold Facts Volume 31 Number 3 is that of turboexpanders. These devices are rotating machines in which the process fluid (e.g., helium) does work against the turboexpander while moving from high pressure to a lower pressure and thus is cooled....

Latest in Cryo Central

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...

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