Comparative experimental analysis of direct-expansion solar-assisted heat pump water heaters using R134a and R290
Xiangqiang Kong, Maoyuan Zhang, Yimeng Yang, Ying Li, Dechang Wang
Topics & Concepts
EvaporatorGas compressorRefrigerantHeat pumpNuclear engineeringMaterials scienceEnvironmental scienceCoefficient of performanceWind speedThermodynamicsMeteorologyHeat exchangerPhysicsEngineeringHeat Transfer and OptimizationSolar Thermal and Photovoltaic SystemsHeat Transfer and Boiling Studies