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Introducing Cool Fuel: Fueling Cryogenics for the 21st Century!

There’s no shortage of cool project areas in cryogenics these days: space, quantum computing, fusion energy, clean energy and clean transport, to name a few. These are the fields that aspiring new engineers want to work in when they pass through my office. The irony is that our cool field...

Cryogenic Industrial Gas to Play Major Role in Alternative Clean Energy

While industrial gases and cryogenics have touched nearly every sector and industrial market for decades, the global push towards alternative clean energy technology is pushing cryogenics more rapidly than ever before. As part of this push, Circor (CSA CSM) is setting new standards for a hydrogen energy world. New technologies...

Saving Breaths: The Literal Air Power

When any of Cannon Air Force Base’s aircraft leave the base located just outside Clovis NM, members of the 27th Special Operations Logistics Readiness Squadron (SOLRS) cryogenics team make sure that, should anything go wrong, the pilots and crew can breathe easy… literally. The cryogenics team provides the liquid oxygen...

Quantum Fluctuations Sustain Record Superconductor

Calculations performed by an international team of Materials Physics Center researchers representing Spain, Italy, France, Germany and Japan show that the crystal structure of the record superconducting LaH10 compound is stabilized by atomic quantum fluctuations. This result suggests that superconductivity approaching room temperature may be possible in hydrogen-rich compounds at...

Indian Railways to Inaugurate Hydrogen Powered Train

India Railways is developing a hydrogen powered suburban train and has floated an official expression of interest for industry participation. The move is part of the railway’s efforts at greening its fuel use. Indian Railways has already fitted solar panels on rooftops of diesel electric multiple unit trains of 4.5...

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Refrigerators and Liquefiers

Two of the most common terms used in cryogenics are “refrigerator” and “liquefier.” These terms describe similar and, as will be seen, in some cases identical components. A refrigerator provides cooling (that is, absorbs heat) at cryogenic temperatures. Refrigerators typically put a working fluid (such as helium) through one of...

Air Separation

Air separation is one of the largest, as well as earliest, industrial applications of cryogenics. In this process, cryogenic temperatures are used to separate air into its constituent gases: nitrogen (78.08%), oxygen (20.95%), argon (0.93%) and carbon dioxide (0.3%). Trace gases such as krypton, neon, xenon and helium total far...

Coefficient of Performance and Figure of Merit

The coefficient of performance (COP) is used to describe the effectiveness of refrigerators, including those operating at cryogenic temperatures. The COP is defined as the amount of heat removed at the cryogenic operating temperature of the refrigerator divided by the amount of work that must be applied to remove the...

Cryogenics in Space

Peter Kittel University of California-Berkeley pkittel@cal.berkeley.edu Space Cryogenics is the application of cryogenics to space missions. These applications fall into two broad areas, supporting space science missions and supporting the space transportation infrastructure. Science applications: The atmosphere is opaque to much of the electro-magnetic spectrum. In space, the absence of...

Cryosurgery

Review of Cryosurgery Boris Rubinsky, PhD Hebrew University School of Science and Engineering Research Center for Biomedical Engineering 78b Ross Building Givat Ram, Jerusalem 91904 Israel rubinsky@cs.huji.ac.il as published in Annual Review of Biomedical Engineering, August 2000, Vol. 2, pp. 157-187. Abstract: Cryosurgery is a surgical technique that employs freezing...

Liquefied Natural Gas

Liquefied Natural Gas as it relates to the Field of Cryogenics John W. Bonn VJ Systems, LLC johnbonn@vjsystems-lic.com Today the world is looking for a cleaner fuel and Liquefied Natural Gas (LNG) plays a large part in achieving this goal. LNG in a liquid form is at -162°C (-259°F) and...

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...

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...