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Wyszukujesz frazę "heat pump system" wg kryterium: Temat


Wyświetlanie 1-2 z 2
Tytuł:
Utilization of the horizontal ground heat exchanger in the heating and cooling system of a residential building
Autorzy:
Hanuszkiewicz-Drapała, M.
Bury, T.
Powiązania:
https://bibliotekanauki.pl/articles/240110.pdf
Data publikacji:
2016
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
heat pump
ground heat exchanger
heating system
numerical modelling
pompa ciepła
gruntowy wymiennik ciepła
system grzewczy
modelowanie numeryczne
Opis:
This paper presents the results of thermodynamic analyses of a system using a horizontal ground heat exchanger to cool a residential building in summer and heat it in the autumn-winter period. The main heating device is a vapour compression heat pump with the ground as the lower heat source. The aim of the analyses is to examine the impact of heat supply to the ground in the summer period, when the building is cooled, on the operation of the heating system equipped with a heat pump in the next heating season, including electricity consumption. The processes occurring in cooling and heating systems have an unsteady nature. The main results of the calculations are among others the time-dependent values of heat fluxes extracted from or transferred to the ground heat exchanger, the fluxes of heat generated by the heat pump and supplied to the heated building by an additional heat source, the parameters in characteristic points of the systems, the temperature distributions in the ground and the driving electricity consumption in the period under analysis. The paper presents results of analysis of cumulative primary energy consumption of the analyzed systems and cumulative emissions of harmful substances.
Źródło:
Archives of Thermodynamics; 2016, 37, 1; 42-72
1231-0956
2083-6023
Pojawia się w:
Archives of Thermodynamics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Heating system with vapour compressor heat pump and vertical U-tube ground heat exchanger
Autorzy:
Hanuszkiewicz-Drapała, M.
Składzień, J.
Powiązania:
https://bibliotekanauki.pl/articles/240620.pdf
Data publikacji:
2010
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
gruntowy wymiennik ciepła
modelowanie numeryczne
pompa ciepła
system grzewczy
ground heat exchanger
heat pump
heating system
numerical modelling
Opis:
In the paper a heating system with a vapour compressor heat pump and vertical U-tube ground heat exchanger for small residential house is considered. A mathematical model of the system: heated object - vapour compressor heat pump - ground heat exchanger is presented shortly. The system investigated is equipped, apart from the heat pump, with the additional conventional source of heat. The processes taking place in the analyzed system are of unsteady character. The model consists of three elements; the first containing the calculation model of the space to be heated, the second the vertical U-tube ground heat exchanger with the adjoining area of the ground. The equations for the elements of vapour compressor heat pump form the third element of the general model. The period of one heating season is taken into consideration. The results of calculations for two variants of the ground heat exchanger are presented and compared. These results concern variable in time parameters at particular points of the system and energy consumption during the heating season. This paper presents the mutual influence of the ground heat exchanger subsystem, elements of vapour compressor heat pump and heated space.
Źródło:
Archives of Thermodynamics; 2010, 31, 4; 93-110
1231-0956
2083-6023
Pojawia się w:
Archives of Thermodynamics
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-2 z 2

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