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IIR document
Modelling thermostatic expansion valves.
Evaluation of gray box thermostatic expansion valve mass flow models.
Comparación del rendimiento térmico de una bomba de calor de expansión directa asistida por energía solar utilizando una válvula de expansión termostática y una válvula de expansión electrónica.
Comparison of the thermal performance of a solar-assisted direct expansion heat pump using a thermostatic expansion valve and an electronic expansion valve.
Effects of water mal-distribution on thermostatic-expansion-valve stability and its controlled two-circuit evaporator performance.
Effect of water maldistribution in multi-circuit evaporator on superheat control dynamics of thermostatic-expansion-valve refrigeration system.
Evolución de los sistemas de expansión seca.
Evolution of dry expansion systems.
Nuevos avances en expansión electrónica.
New progress in electronic expansion valves.
Cycling losses in refrigeration equipment: an experimental evaluation.
Benefits investigation of electronic expansion valve in electric vehicle thermal system as compared to thermal expansion valve with shut-off valve.
Modélisation d'un climatiseur automobile multi-évaporateur
Modelling an automotive multi-evaporative air conditioning system.
Experimental analysis to mitigate flow-induced noise in expansion devices.
Desviación de la temperatura de retorno de agua en instalaciones HVAC de edificios o de distrito (DH&C): su impacto en el consumo y como evitarla.
Variation of return water temperature in building or district HVAC installations: its impact on energy use and how to avoid it.
A novel refrigeration system.
Experimental analysis of a new method for overfeeding multiple evaporators in refrigeration systems.
Performance assessment of an innovative R744 refrigeration system with multiple evaporators operating in overfed conditions.
Refrigeration sector monitoring
4 results
New low GWP replacement for R404A in hermetically-sealed systems
A new lower GWP replacement for R404A, which blends an HFO and an HFC with a “natural” refrigerant is to be made commercially available next year.
Honeywell tests new R404A replacement
Honeywell has been testing a new low-GWP refrigerant as a potential replacement for R404A in hermetically-sealed refrigeration systems
Performance comparison of R1234yf and R134a
A study published in Applied Thermal Engineering compares the performance of HFC-134a and HFO-1234yf as drop-in alternative in automotive air conditioning systems.
Summary of two papers of the 9th International Conference on Compressors and Coolants (ICCC2017)
The IIR 9th International Conference on Compressors and Coolants (ICCC2017), which took place in Bratislava, Slovakia, in September 2017, addressed advances in compressors but also refrigerating technologies and alternative refrigerants, as...
IIR news
1 result
Member news : Danfoss launches thermostatic expansion valve for CO2
Danfoss has recently launched a thermostatic expansion valve for CO2, based on its TE2 valve. It is suitable for small to medium size remote refrigeration systems such as cold rooms and display...
