In the context of the Montreal Protocol, CO 2 is considered as an appropriate natural
refrigerant with an Ozone Depletion Potential (ODP) of zero and a Global Warming Potential …

Several environmental protection policies have been enforced restricting working fluids with
high global warming potential (GWP) values used in many types of refrigeration and heat …

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 …

Concerns about climate changes are urging the decarbonisation of the energy sector and
heat pumps are evaluated for this purpose here. About half of total energy consumption is …

Because of the urgent need of environment protection and energy saving, Chinese
government has proposed 'coal-to-electricity'policy in north China to use air-source heat …

To make better use of waste energy for the industrial heating processes, dual pressure
condensation heating high temperature heat pump system (DPS) is proposed, to achieve …

Performance analysis of a new PV/T-cascade heat pump design having 7-kW maximum
cooling capacity for combined cooling, heat and power was simulated with the climate of …

Cascade refrigeration has been recognized as a prospective technology to meet the
requirement of cryogenic refrigeration and energy conservation. To fulfill the demand of the …

Air-source heat pump (ASHP) is wide used for its carbon neutrality. In cold climates, to
ensure good efficiency and stability, cascade ASHP is a promising technology for high …

Moisture content of food material is a key factor influencing the quality of storage and
extending the quality of a food product. Manufacturers develop new technologies to process …