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How Cryogenic Chip Cooling Could Aid Data Center Efficiency

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OPW Acquires Demaco in Cryogenics Consolidation

OPW announced today that it has completed the acquisition of Demaco, a provider of vacuum jacketed piping and other cryogenic equipment for gas producers, research institutions, EPC contractors, and end-users of liquefied gasses within various end-markets. Demaco will become part of the OPW Clean Energy Solutions business unit. Established in...

BHEX Leverages Cryogenics to Capture Black Holes

Introduction to BHEX-The Black Hole Explorer (BHEX) is a mission that will discover and measure a black hole’s photon ring, capturing light that has orbited a black hole. BHEX will extend the Event Horizon Telescope (EHT) into space, producing the sharpest images in the history of astronomy, whilst operating a...

Looking Backward and Forward

Since 2018 I have been writing this column on pioneers in cryogenics. So far, a total of 30 people have been profiled. With this column taking a slightly different direction in the future (more below), it’s worth asking if these pioneers had anything in common. Here are a few common...

Equigas’ Strategic Acquisition is a Catalyst for Innovation

Equigas, Inc., a North Carolina-based gas equipment distributor, has embarked on an exciting new chapter with its recent acquisition of Correct Cryogenics, a respected cryogenic service provider headquartered in the Southwest US. This strategic move is a pivotal moment for Equigas as it seeks to expand its service offerings and...

Fives Pioneers Renewable Energy Storage and Hydrogen Mobility

The Largest Renewable Energy Storage Project-Fives, a global industrial engineering group, has been selected by Zhonglv Zhongke Energy Storage Technology Co. to supply cryogenic equipment for the largest renewable energy storage project on an industrial scale. This project, located in Golmud, Qinghai province, China, is set to be operational by...

Latest in Defining Cryogenics

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...

Latest in Cryo Central

Food Processing

Cryogenics and Food The industrial gas industry provides a host of products and services related to food. The various gases have useful and sometimes fascinating applications in food industry. “The food industry is not a homogenous industry. The needs of customers processing hamburger vs. poultry vs. strawberries vs. seafood, for...

Primary Standards

Elie K. Track Hypres, Inc. elie@hypres.com http://www.hypres.com/ Primary standards involve the exact definition and realization of units of measurement for various quantities, time, length, mass, voltage, resistance, current, etc. International agreements based on the latest scientific knowledge define those units, and their realizations vary depending on the unit itself. For...

Shrink Fitting

Robin A. Rhodes Cryogenic Institute of New England, Inc. rrhodes@nitrofreeze.com Shrink fitting, (or “compression fitting” as it is sometimes called), is a method used to insert a pin or bushing into a housing or other assembly requiring an extremely tight tolerance fit. It can be used as an alternative to...

Telecommunications

From the Winter 2004 issue of Cold Facts magazine The recent M-Calc IV — 4th Industry Assessment workshop discussing military and commercial applications for low-cost cryocoolers, held in November in San Diego, highlighted progress being made in cryogenics as applied in telecommunications. The reliability and long lifetime of projects now...

Latest in Ask the Experts

An Issue of Pressure and Flow Rate in a Supply Tank

Please help solve this problem: A supply tank requires a vaporizer to generate sufficient pressure to pump stored fluid up into a vehicle or tank. The available head is limited as the tank level falls and it is important to minimize the system pressure drop to maintain the desired flow...

Using MLI on VJ Line Joints or Cryo Storage Tanks

When installing Multi Layer Insulation (MLI) blankets on VJ line joints or cryo storage tanks should they be wrapped and tied down tight or loose? These are usually pre-cut to size. Also should they have an access hole at the point of where the molecular sieve is installed to help...

Separated layers of ice over a pipe

I want to know that why there are different layers of ice over a pipe carrying a cryogenic fluid, each layer separated with clear marks / lines? What do these layers signify?

Using nitrogen as a cryogen

Is it possible to achieve -200˚C using nitrogen as a cryogen?

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