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Wyszukujesz frazę "earth-to-air heat exchanger" wg kryterium: Temat


Wyświetlanie 1-2 z 2
Tytuł:
Analysis of the Energy Efficiency of the Earth-To-Air Heat Exchanger
Autorzy:
Basok, Boris
Pavlenko, Anatoliy
Nedbailo, Aleksandr
Bozhko, Ihor
Novitska, Maryna
Koshlak, Hanna
Tkachenko, Myroslav
Powiązania:
https://bibliotekanauki.pl/articles/2174896.pdf
Data publikacji:
2022
Wydawca:
Politechnika Koszalińska. Wydawnictwo Uczelniane
Tematy:
geothermal ventilation
earth-to-air heat exchanger
experimental studies
numerical modelling
renewable energy source
Opis:
This article represents the results of experimental studies of the temperature regime during the long-term operation of the earth-to-air heat exchanger. The average annual, total monthly and daily average specific amounts of heat extracted from the soil or released into the soil mass, respectively, depending on the cold or warm periods of the year, were determined. Analyzing the given data allowed a monthly assessment of the energy efficiency of using the earth-to-air heat exchanger. It is noted that the most significant thermal contribution occurs in the middle of the warm and cold periods of the year when the most significant difference in temperature of the outside air and the soil massif is observed. The use of earth-to-air heat exchangers is one of the necessary tools to lower the energy consumption for modern air-conditioning systems of buildings due to their energy efficiency.
Źródło:
Rocznik Ochrona Środowiska; 2022, 24; 202--213
1506-218X
Pojawia się w:
Rocznik Ochrona Środowiska
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Thermal performance evaluation of an earth-to-air heat exchanger for the heating mode applications using an experimental test rig
Autorzy:
Ahmad, Saif Nawaz
Prakash, Om
Powiązania:
https://bibliotekanauki.pl/articles/2091363.pdf
Data publikacji:
2022
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
heat transfer
earth-to-air heat exchanger
ground heat exchanger
geothermal energy
renewable energy
assive heating
assive cooling
effectiveness
Opis:
This paper presents the experimental investigation of an earth-to-air heat exchanger for heating purposes in the Patna region of India, using an experimental test rig. In the view of the author, real field experiments have several limitations such as lack of repeatability and uncontrolled conditions. It also takes more time for the response of parameters that depends on nature and climate. Moreover, earth-to-air heat exchangers may be expensive to fabricate and require more land area. Thus, in this work authors executed their experimental work in indoor controllable environments to investigate the thermal performance of an earth-to-air heat exchanger. The actual soil conditions were created and maintained the temperature at 26°C throughout the soil in the vicinity of pipes. Three horizontal PVC pipes of equal lengths and diameters of 0.0285 m, 0.038 m and 0.0485 m were installed in the test rig. The experiments were performed for different inlet air velocities at ambient air temperature. This study acknowledges that the maximum rise in outlet temperature occurs at a lower speed for smaller pipes. Also, the maximum effectiveness of 0.83 was observed at 2 m/s for the smallest diameter pipe.
Źródło:
Archives of Thermodynamics; 2022, 43, 1; 185--207
1231-0956
2083-6023
Pojawia się w:
Archives of Thermodynamics
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-2 z 2

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