ADVERTISEMENT

SC study’s reported successes and failures provide valuable data

In their paper "Exploration of new superconductors and functional materials, and fabrication of superconducting tapes and wires of iron pnictides" published in Science and Technology of Advanced Materials, researchers report on four years of extensive research on around 1,000 materials, with detailed insights learned from the new superconducting materials discovered...

LHC arrives at the next energy frontier

The Large Hadron Collider (LHC) is collecting data again for the first time in two years. After powering back on in April and seeing its first record-energy collisions in May, the LHC began colliding particles at a steady rate to provide data for research on June 3. During Run II,...

GTI’s David Carroll assumes presidency of IGU

On June 5, David Carroll, Gas Technology Institute (GTI) president and CEO, assumed the additional role of president of the International Gas Union (IGU) for a three-year term at the closing ceremony of the World Gas Conference in Paris. With the growth of natural gas in the global energy landscape,...

Protons in LHC collide at record-breaking 13 TeV

On May 20, protons collided in the Large Hadron Collider (LHC) at a record-breaking energy of 13 TeV for the first time. CERN has released images showing the protons colliding and sending showers of particles through the ALICE, ATLAS, CMS and LHCb detectors.

CUORE experiment will study neutrinos with world’s coldest detector

Researchers at Gran Sasso National Laboratory in Italy are using the world's coldest detector to find an incredibly rare neutrino decay process. To conduct the experiment, the Cryogenic Underground Observatory for Rare Events (CUORE), the team will create the single coldest cubic meter in the universe in order to search...

ADVERTISEMENT

Two-Phase Flows

Two-phase flows are those flows in which there is a mixture of two physical states (solid, liquid or vapor). In cryogenic applications, such flows are almost always a mixture of a cryogenic liquid along with its corresponding vapor. A mixture of liquid helium and helium vapor would be a typical...

Supercritical Fluids

A supercritical fluid is defined as a substance whose temperature and pressure exceed those of its critical point. Every pure substance has a critical point that is defined in thermodynamic space by a critical temperature and a corresponding critical pressure. For example, the critical point for helium has a critical...

Brayton Cycle

The Brayton cycle is one of the many thermodynamic cycles used to generate cooling at cryogenic temperatures. Strictly speaking, when referring to cooling we should call this the reverse Brayton cycle as the original Brayton cycle describes the process of power generation or propulsion via a gas turbine. In many...

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...