A comprehensive study on 21st-century refrigerants-R290 and R1234yf: A review
Prolonged use of environment unfriendly refrigerants in high-grade energy systems has
resulted in increased greenhouse gas emissions and ozone layer depletion. This has …
resulted in increased greenhouse gas emissions and ozone layer depletion. This has …
A review of the application of radiative sky cooling in buildings: Challenges and optimization
Radiative sky cooling (RSC), acting as a passive cooling method, reduces the heat gain by
dissipating the excessive heat via reflective and radiative approaches. The heat sink of RSC …
dissipating the excessive heat via reflective and radiative approaches. The heat sink of RSC …
[HTML][HTML] Performance degradation of air source heat pumps under faulty conditions
The ongoing European regulations towards the decarbonization of energy intensive sectors
such as heating and cooling will lead to an increase of heat pump appliances. Apart from …
such as heating and cooling will lead to an increase of heat pump appliances. Apart from …
Flow pattern transitions and liquid mass transfer resistance of binary zeotropic mixtures during flow boiling
Z Qi, L Jia, C Dang, L Yin - International Journal of Thermal Sciences, 2023 - Elsevier
Flow boiling visualization experiments were performed on the binary zeotropic mixtures in a
rectangular channel with a cross-sectional area of 8 mm× 8 mm. R134a/R245fa binary …
rectangular channel with a cross-sectional area of 8 mm× 8 mm. R134a/R245fa binary …
Boiling of R290+ CF3i mixture inside an offset strip fin plate heat exchanger
In this study, evaporation characteristics of mildly flammable R290+ CF3i mixture (35%+
65% by weight) were conducted experimentally in an offset strip fins (OSSF) embedded …
65% by weight) were conducted experimentally in an offset strip fins (OSSF) embedded …
Boiling heat transfer and pressure drop of R290 in a micro-fin tube
C Zhao, H Guo, H Xue, F Nie, M Gong… - International Journal of …, 2023 - Elsevier
The present study focuses on the analysis of heat transfer and pressure drop of R290 in a
horizontal micro-fin tube. In this regard, experiments were conducted, and flow patterns, heat …
horizontal micro-fin tube. In this regard, experiments were conducted, and flow patterns, heat …
New general models for condensation heat transfer coefficient of carbon dioxide in smooth tubes by intelligent and least square fitting approaches
The heat transfer characteristics of carbon dioxide (R744) as a natural and safe refrigerant
are quite different from the other refrigerants due to the CO 2 unique physical properties. So …
are quite different from the other refrigerants due to the CO 2 unique physical properties. So …
A comprehensive review regarding condensation of low-GWP refrigerants for some major alternatives of R-134a
In this review, the condensation HTCs (heat transfer coefficients) and pressure drop
characteristics of some major low-global-warming-potential (GWP) refrigerants alternative to …
characteristics of some major low-global-warming-potential (GWP) refrigerants alternative to …
A thermal network model for hydrocarbon heat pump systems: A coupling analysis of configuration, working condition, and refrigeration distribution
The ambition of zero emission neighborhood has been set out to operate the building
components with zero life cycle greenhouse gas emissions. Hydrocarbon heat pumps as the …
components with zero life cycle greenhouse gas emissions. Hydrocarbon heat pumps as the …
Evaporation heat transfer coefficient and frictional pressure drop of R600a in a micro-fin tube at low mass fluxes and temperatures
In this study, the evaporation heat transfer characteristics of R600a in micro-fin and smooth
tubes are investigated under the operating conditions of domestic refrigerators. The …
tubes are investigated under the operating conditions of domestic refrigerators. The …