Results 131 to 140 of about 1,964,897 (185)
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Adsorption heat pumps

Journal of Heat Recovery Systems, 1986
Abstract Adsorption heat pumps have sparked considerable attention in recent years. In this paper general outlines for adsorption heat pumps are presented and the results of the work related to an adsorption heat pump which has been built and tested are given.
openaire   +2 more sources

Heat exchangers and the performance of heat pumps – Analysis of a heat pump database

Applied Thermal Engineering, 2011
Abstract Heat pumping is a highly energy-efficient technology that could help reduce energy and environmental problems. The efficiency of a heat pump greatly depends on the individual and integral performance of the components inside. In this study, heat pump performance is investigated with a special focus on heat exchangers.
D.S. Kim   +3 more
openaire   +1 more source

Possibilities of heat pumps for heating homes

Electrical Engineering, 1944
Heat pumps are refrigerating systems in which the principal interest is in the heat given off by the condenser. A portion of this comes from the electric input to the compressor and the remainder from cooling an external source of heat, usually outdoor air.
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The Heat Pump

Journal AWWA, 1948
A MONG the many products of inJfx dustry that have been developed to the point of practically universal acceptance so far in this century are the automobile, airplane, electric (and mechanical) refrigeration, radio, air conditioning and water conditioning.
openaire   +1 more source

Heat pumps

Resources and Conservation, 1981
traduzione in inglese di Pompe di calore, in “Rassegna”
openaire   +3 more sources

Numerical Simulations of Heat Pumps and Heat Pump Systems

Advanced engineering, 2010
Utilization of heat pumps is rapidly increasing during last few years in Europe. That is the consequence of European dedication to increasing the share of renewable energy in final energy consumption as well. Heating, ventilation and air-conditioning (HVAC) systems of buildings are responsible for about 40% of final energy consumption.
openaire   +2 more sources

Performance Comparison of Different Heat Pumps in Low-Temperature Waste Heat Recovery

Renewable and Sustainable Energy Reviews, 2021
Zhimin Tan
exaly  

Heat pump designs—heat pump systems

1981
HANS LUDWIG von CUBE, FRITZ STEIMLE
openaire   +1 more source

High-Temperature and Transcritical Heat Pump Cycles and Advancements: A Review

Renewable and Sustainable Energy Reviews, 2022
Qun Chen   +2 more
exaly  

HEAT PUMP METHOD AND HEAT PUMP ARRANGEMENT

2023
BAUER HEINZ, KAMANN MARTIN, WIDL THOMAS
openaire   +1 more source

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