Air source heat pumps are an excellent electric alternative to fossil fuel based heating
systems for reducing residential greenhouse gas emissions, but common mild climate …

While the use of CO 2 as a natural refrigerant become widespread, there is a scarcity of
research on refrigerant charge effects in transcritical CO 2 refrigeration applications …

Experimental studies are carried out on a CO 2 based transcritical system designed for air
conditioning applications. A fully instrumented test rig that consists of a semi-hermetic …

Use of CO 2-based mixtures results in COP improvements for simple cycle layouts, however,
mixtures working in the parallel compression cycle where fractionation process takes place …

Evaporation process is playing a big rule on the performance of trans-critical CO2 cycle.
Because of its low performance in air conditioning systems, low ozone depletion, low global …

为了提高刮削法制冰系统的制冷系数和㶲效率, 本文基于热力学定律对刮削法制冰系统进行
热力学分析, 研究了制冷剂种类, 冷凝温度, 环境温度以及蒸发温度等因素对刮削法制冰系统的 …