heat pump cycles or refrigeration cycles are the conceptual and mathematical models for heat pump, air conditioning and refrigeration systems. A heat...

evaporation Heat pump Heating, ventilation, and air conditioning (HVAC) Magnetic refrigeration Refrigerant Refrigeration Heat pump and refrigeration cycle Working...

heat pump transfers thermal energy using a refrigeration cycle, cooling the cool space and warming the warm space. In cold weather, a heat pump can move...

Absorption Heat Pumps (Office of Energy Efficiency and Renewable Energy). Arizona Energy Explanation with diagrams Lithium-Bromide / Water Cycle – Absorption...

reservoirs and the system without gain or loss. When work is applied to the system, heat moves from the cold to hot reservoir (heat pump or refrigeration). When...

refrigeration process and much the same equipment as an air conditioner, but in the opposite direction. ASHPs are the most common type of heat pump and...

by combining a vapor-compression heat pump and an absorption heat pump. It is also referred to as a hybrid heat pump which is however a broader field...

engines heat pumps Microprocessor and microchip cooling air conditioning One of the widest uses of heat exchangers is for refrigeration and air conditioning...

A condensate pump is a specific type of pump used to pump the condensate (water) produced in an HVAC (heating or cooling), refrigeration, condensing boiler...

ground source heat pump (also geothermal heat pump) is a heating/cooling system for buildings that use a type of heat pump to transfer heat to or from the...

high-amplitude sound waves to pump heat from one place to another (this requires work, which is provided by the loudspeaker) or use a heat difference to produce...

Heat engines, refrigeration cycles and heat pumps usually involve a fluid to and from which heat is transferred while undergoing a thermodynamic cycle...

industrial freezers, cryogenics, and air conditioning. Heat pumps may use the heat output of the refrigeration process, and also may be designed to be reversible...

heat amplifier and refrigeration). Driven by a high-temperature heat source, the first type absorption heat pump extracts the heat of waste heat and outputs...

Magnetocaloric refrigeration systems are composed of pumps, motors, secondary fluids, heat exchangers of different types, magnets and magnetic materials...

exhaust air heat pump (EAHP) extracts heat from the exhaust air of a building and transfers the heat to the supply air, hot tap water and/or hydronic...

and is a component in a heat pump, that changes the direction of refrigerant flow. By reversing the flow of refrigerant, the heat pump refrigeration cycle...

reversed and use work to move heat from a cold source and transfer it to a warm sink thereby acting as a heat pump. If at every point in the cycle the system...

as fans, by stirring, and pumps, creating an artificially induced convection current. In many real-life applications (e.g. heat losses at solar central...

plant, heating, refrigeration, ventilating, and air conditioning (HVAC) may all use economizers. In simple terms, an economizer is a heat exchanger. Robert...

communication protocol for building automation and control (BAC) networks that use the ASHRAE, ANSI, and ISO 16484-5 standards protocol. BACnet was designed...

and the ambient airflow is low. Energy portal Engineering portal Renewable energy Renewable heat Heat pump Geothermal heat pump Refrigeration cycle Solar...

seal failure, and explored practical applications for different refrigeration cycles. Einstein had worked in the Swiss Patent Office, and used his experience...

control systems for cars, residential air conditioning, commercial refrigeration, and vending machines. Many otherwise excellent refrigerants are phased...

Ton of refrigeration -- the power required to freeze or melt 2000 lb of water in 24 hours These “degrees of heat” were context-dependent and could only...

machine that removes heat from a liquid coolant via a vapor-compression, adsorption refrigeration, or absorption refrigeration cycles. This liquid can then...

Absorption-compression heat pump Direct exchange geothermal heat pump Heat pump and refrigeration cycle Hot air engine All pages with titles containing Heat pump District...

centrifugal force, or gravity and the cycle repeats. Due to the very high heat transfer coefficients for boiling and condensation, heat pipes are highly effective...

of the heat pump where it is cooled and the moisture is condensed. This process yields substantial amounts of latent energy to the refrigeration circuit...

of vapor compression refrigeration cycles is limited by thermodynamics. These air conditioning and heat pump devices move heat rather than convert it...