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Recommended by the IIR
Dilution refrigerators.
Dry dilution refrigerator with 4He-1 K-loop.
IIR document
Numerical investigation of a condensation-driven dilution refrigerator.
A rapid sample-exchange mechanism for cryogen-free dilution refrigerators compatible with multiple high-frequency signal connections.
Study on heat and mass transfer characteristics of 3He-4He at extremely low temperatures in mixing chamber of dilution refrigeration.
Estimation of differential heat of dilution for aqueous lithium (bromide, iodide, nitrate, chloride) solution and aqueous (lithium, potassium, sodium) nitrate solution used in absorption cooling systems.
Minimum airflow rates to dilute A2L refrigerant leaks from refrigeration systems.
Concentration measurement of refrigerant/lubricant mixture by capacitive sensor.
Effects of geometric structures on the sub-Kelvin porous media heat exchanger.
About the viscosity reduction of oils by diluted ammonia at high temperatures.
Minimum airflow rates to dilute R290 concentrations arising from leaks in room air conditioners.
Experimental studies on the performance of multiple tubes bubble pump with R134a-TEGDME.
Solution properties of polyol ester lubricants designed for use with R-32 and related low-GWP refrigerant blends.
Progress and challenges in rolling bearing technology for compressors in industrial heat pumps.
Refrigeration sector monitoring
3 results
Successful test of a dilution refrigerator for quantum computers
IBM scientists have succeeded in cooling a quantum computer chip to a temperature of 25 mK using a large-scale dilution refrigerator.
LEGO® block structures as a solution for cryogenic temperature insulation?
British researchers have cooled LEGO® blocks at a temperature of a few mK in an experiment which reveals a possible new application for the material which composes the popular toy.
China evaluates the real risks of hydrocarbons
According to JARN, China intends to switch half its production of split air conditioners to propane in order to meet the objectives of the HCFC Phase-Out Management Plan by 2015.This involved identifying potential leakage points and using...
IIR news
2 results
Member news: Linde to develop cryogenic cooling solutions for quantum computers
Linde, corporate member of the IIR, partners with Bluefors to develop cryogenic cooling solutions for quantum computing technology.
Cryogenics and Low-Temperature Physics: New Horizons and Challenges
This Focus written by Ralf Herzog*, President of the IIR’s Cryophysics, Cryoengineering commission (Commission A1) for the Newsletter of the IIR is the third in a series of presentations of the activities and hot research topics handled by the...
