Cold Facts Digital – The go-to place for Cryogenics and Superconductivity

Once complete, ITER will run fusion experiments using five times as much plasma as the largest reactors in operation today.

5,500 Superconducting Wires Survive Intense Testing for World’s Largest Fusion Reactor

By Gayoung Lee Stakeholders around the world are vying to realize nuclear fusion—a fossil fuel alternative that promises maximum energy generation with minimal environmental risk. Behind the efforts to build the world’s largest fusion reactor is an equally gigantic global collaboration: ITER, which has just announced a major advance in its quest...

The Future Is Frozen: How Cryogenics Is Redefining Food Innovation

By Douglas Hoon By Douglas Hoon, CTO and Co-Founder, Cometeer, Inc Key takeaways: Once relegated to the cold backrooms of industrial storage, cryogenics is now stepping into the spotlight as one of the most promising frontiers in food innovation. Long seen as a basic preservation tool, freezing is being reimagined—not...

Curved SC magnets. Center: NIMMS gantry. Right: SC gantry with 360° rotation. Credit: Authors

50 Years of Cryogenic Magnet Technology in Biomedical Study and Use

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Recertification and retesting performed across trusted valve brands in the industry. Credit: Ratermann Manufacturing

Ratermann Keeps Valves and Industry Confidence Flowing

By Jocelyn Navarro, Ratermann Manufacturing For companies working with cryogenic and industrial gas systems, valve failure isn’t just a maintenance issue; it’s a safety risk. Pressure relief valves must operate with precision under intense thermal and mechanical stress. That’s why Ratermann Manufacturing has made valve recertification a central part of...

Infinite Helium flow path and heat diagram. Credit: Lake Shore Cryotronics

Lake Shore Reduces Helium Costs to Maximize Research Efficiency

By Rachael Floyd, Director of Product Management for Cryogenic Systems, Lake Shore Cryotronics The Rising Price of Helium Helium is a nonrenewable resource that is increasingly difficult to obtain reliably. Once released into the atmosphere, it is irretrievable. Limited availability and few sources of production are driving helium prices upward....

Fabrum’s patented pulse tube cryocooler. Credit: Olivia Ross

Fabrum Pioneers the Future of Clean Energy

By Fabrum Communications Team In a world increasingly focused on the pathway to decarbonization, hydrogen and natural gas are critical components in the global transition towards clean fuels. The technology associated with this transition is a major catalyst for driving change and delivering the sustainability outcomes that are required to...

Latest in Defining Cryogenics

Helium-3

Helium-3 (3He) is one of the two stable isotopes of helium. The other is the much more common Helium-4 (4He). Neither of these isotopes should be confused with He II, which is the second liquid phase of 4He. He II was discussed in this column in the Spring 2010 edition...

Cryopumping

Cryopumping refers to the use of cryogenic temperatures to produce vacuum in enclosed spaces. More broadly, it can also refer to the removal of gases via cryogenic temperatures from a flow stream or enclosure without necessarily resulting in vacuum pressures. This is an important application of cryogenics and is used...

Thermal Acoustic Oscillations

Thermal Acoustic Oscillations (TAO) are a common event in cryogenic systems that can have significant adverse effects on the performance of the system. TAOs are sustained pressure oscillations that can occur in tubes containing gas, closed at one end (the warm end) that have a very large temperature gradient along...

Latest in Cryo Central

Cryogenic Treatment of Materials

F.J. Diekman Controlled Thermal Processing, Inc. info@metal-wear.com Cryogenic Processing (also called cryogenic treatment, and incorrectly “cryogenic tempering”) is a process that uses cryogenic temperatures to modify materials to enhance their performance. Cryogenic Processing involves the slow reduction in temperature of the material to at least -300°F (-185°C) and holding 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...

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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