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IIR document
Convective boiling of R-134a on enhanced-tube bundles.
A correlation for heat transfer during boiling on bundles of horizontal plain and enhanced tubes.
Effect of downward vapor stream on falling film evaporation of R134a in a tube bundle.
Spray evaporation of R1234ze(E)/POE-68 refrigerant-oil mixture on enhanced tube bundles.
Pool boiling on metal-foam enhanced tube bundle: Heat transfer characteristics and flow visualization.
Prediction of heat transfer in evaporation of saturated falling films on bundles of horizontal tubes.
Experimental investigation on nucleate boiling heat transfer of low GWP refrigerants over metal-foam enhanced tube bundles.
Numerical study of thermal performance of a PCM in a modifying tube-bundle latent heat thermal storage.
Effect of lubricating oil on the refrigerant heat transfer performance during spray evaporation on tube bundles.
Characterization and numerical simulation of liquid refrigerant R-134a flow emerging from a flooded evaporator tube bundle.
Experimental study of ammonia flow boiling in a vertical tube bundle: Part 1 – Enhanced dimple tube.
Experiments on condensation heat transfer and tube bundles simulation with falling liquid film of R245fa / R134a outside enhanced tubes.
Experimental study of ammonia flow boiling in a vertical tube bundle: Part 3 – Enhanced dimple tube with 2/3rd height solid round PVC nonconductive rod.
Experimental study of ammonia flow boiling in a vertical tube bundle: Part 2 – Enhanced dimple tube with full length solid round PVC nonconductive rod.
Thermal design of a vaporizer for cold recovery from LNG-regasification using CO2 as heat transfer media.
Refrigeration sector monitoring
3 results
Experimentation of a film rejecting 70% of solar heat
A team of researchers explored the ability of a phase-change material film set on windows to reject incoming solar heat.
Germany: Blue Angel ecolabel now includes heat pumps and liquid coolers
The 2023 edition of the German “Blue Angel” ecolabel now includes domestic heat pumps and “liquid coolers”.
Insight into the recent decline in heat pump sales in Europe
The EHPA reports that heat pump sales in 14 European countries fell by around 5% overall in 2023 compared to 2022.
IIR news
News from IIR members: DKV
New DKV publications:• CD-ROM of Deutschen Kälte-Klima Tagung 2010 in Magdeburg, containing all papers and presentations. Languages: German and English• Special: CD-ROMs from DKV-Tagungen 2002 to 2010 as a...
IIR conference on caloric cooling Thermag VIII: highlights
Thermag VIII was an opportunity to present new developments regarding magnetocaloric, electrocaloric and elastocaloric cooling.
Rudolf Plank: A Lifetime in the Service of the International Institute of Refrigeration
As the Kältetechnisches Institut celebrates its centenary, we invite you to look back on the remarkable life of Rudolf Plank, whose work profoundly shaped the history of refrigeration, scientific research, and the International Institute of...
