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HEAT PUMP DRIVEN COMBUSTION ENGINE [2 records]
Record 1 - internal organization data 1998-10-29
Record 1, English
Record 1, Subject field(s)
- Pumps
- Refrigeration Engineering
Record 1, Main entry term, English
- heat pump driven by combustion engine 1, record 1, English, heat%20pump%20driven%20by%20combustion%20engine
Record 1, Abbreviations, English
Record 1, Synonyms, English
Record 1, French
Record 1, Domaine(s)
- Pompes
- Techniques du froid
Record 1, Main entry term, French
- pompe à chaleur à moteur à combustion
1, record 1, French, pompe%20%C3%A0%20chaleur%20%C3%A0%20moteur%20%C3%A0%20combustion
feminine noun
Record 1, Abbreviations, French
Record 1, Synonyms, French
Record 1, Textual support, French
Record 1, Spanish
Record 1, Textual support, Spanish
Record 2 - internal organization data 1998-10-29
Record 2, English
Record 2, Subject field(s)
- Pumps
- Refrigeration Engineering
Record 2, Main entry term, English
- vapor compression heat pump
1, record 2, English, vapor%20compression%20heat%20pump
correct
Record 2, Abbreviations, English
Record 2, Synonyms, English
- vapour compression heat pump 2, record 2, English, vapour%20compression%20heat%20pump
correct
- vapour-compression heat pump 3, record 2, English, vapour%2Dcompression%20heat%20pump
- vapour compression type heat pump 4, record 2, English, vapour%20compression%20type%20heat%20pump
Record 2, Textual support, English
Record number: 2, Textual support number: 1 CONT
The great majority of heat pumps work on the principle of the vapour compression cycle. The main components in such a heat pump system are the compressor, the expansion valve and two heat exchangers referred to as evaporator and condenser. The components are connected to form a closed circuit... A volatile liquid, known as the working fluid or refrigerant, circulates through the four components. In the evaporator the temperature of the liquid working fluid is kept lower than the temperature of the heat source, causing heat to flow from the heat source to the liquid, and the working fluid evaporates. Vapour from the evaporator is compressed to a higher pressure and temperature. The hot vapour then enters the condenser, where it condenses and gives off useful heat. Finally, the high-pressure working fluid is expanded to the evaporator pressure and temperature in the expansion valve. The working fluid is returned to its original state and once again enters the evaporator. The compressor is usually driven by an electric motor and sometimes by a combustion engine. 4, record 2, English, - vapor%20compression%20heat%20pump
Record 2, French
Record 2, Domaine(s)
- Pompes
- Techniques du froid
Record 2, Main entry term, French
- pompe à chaleur à compression de vapeur
1, record 2, French, pompe%20%C3%A0%20chaleur%20%C3%A0%20compression%20de%20vapeur
correct, feminine noun
Record 2, Abbreviations, French
Record 2, Synonyms, French
- pompe à chaleur à compression mécanique de vapeur 2, record 2, French, pompe%20%C3%A0%20chaleur%20%C3%A0%20compression%20m%C3%A9canique%20de%20vapeur
feminine noun
Record 2, Textual support, French
Record 2, Spanish
Record 2, Textual support, Spanish
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