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IIR document
Introduction of annular vortex tube and experimental comparison with Ranque-Hilsch vortex tube.
Numerical investigation of vortex tubes with extended vortex chambers.
Exergy analysis and experimental investigation of various vortex tube material with different combination of vortex generators.
Small-scale vortex tubes in cryogenics.
Computational investigation of precessing vortex breakdown and energy separation in a Ranque–Hilsch vortex tube.
Energy separation mechanism in unconfined laminar compressible vortex.
The thermal performance of a novel convergent valveless vortex tube.
Best vortex tube cascade for highest thermal separation.
Vortex flow sensor in CO2 refrigeration system.
Experimental study of the energy separation in a vortex tube.
A new design method of vortex tube based on unsteady processing vortex core and its experimental verification.
Vortex tubes used as expansion device in vapor compression systems.
An experimental investigation on the effects of the vortex tube material, swirl generator material and the tube length to diameter ratio on vortex tube performance.
Exergetic optimization of vortex tubes using a thermodynamic model.
Refrigeration sector monitoring
7 results
Two-phase ejectors: a high potential for energy savings
Two review papers recently published in the IJR highlight ejectors as a promising solution to dramatically improve the efficiency of vapour compression refrigeration systems and outline the challenges that...
ICR2019: overview of current refrigeration research topics (part III)
Energy storage, desiccant air conditioning, high-temperature heat pumps and ejector technologies were some of the salient topics of the latest IIR Congress. Continuation of the synthesis of key presentations of ICR2019.
Drinks turned ice cold in under 45 seconds
The V-Tex, a machine that uses an innovative , turns beverages from room temperature to 4°C in 45 seconds or less.
Vapour-compression alternatives to serve future HVAC applications
A March 2014 report* prepared for the US Department of Energy by Navigant Consulting identifies and evaluates 17 technologies which could potentially replace traditional vapour-compression technology in residential and commercial HVAC applications
Saving the Iberian lynx thanks to cryopreservation
IZW scientists developed a method for cryopreserving oocytes and embryos of wild cat species.
World’s most powerful MRI machines push the limits of human imaging
Latest MRI machines, developed in the US and in France and designed to operate under ultra-high magnetic strength thanks to giant superconducting magnets, should notably allow major advances in the understanding of neurological diseases.
The LHC transition to transcritical CO2 cooling technologies
A new generation of CO2 cooling for a new generation of LHC silicon detectors: a CO2 booster / CO2 evaporative (pumped) system will be adopted to cool the newly designed silicon...
