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    Wyświetlanie 1-3 z 3
    Tytuł:
    A study of hydraulic characteristic for borehole heat exchangers
    Autorzy:
    Śliwa, T.
    Jaszczur, M.
    Kruszewski, M.
    Sapińska-Śliwa, A.
    Bieda, A.
    Kowalski, T.
    Złotkowski, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/298988.pdf
    Data publikacji:
    2017
    Wydawca:
    Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
    Tematy:
    thermal response test
    borehole heat exchanger
    hydraulic characterization
    Opis:
    Thermal Response Test (TRT) is a standard test performed in borehole heat exchangers (BHE), which provides thorough understanding of thermal parameters of surrounding rock mass. Following work consists of calculations for hydraulic power and pressure losses along the BHE’s length. Analysis was carried out in eight BHE’s with different diameters, lengths and heat carriers in various areas throughout Poland. In accordance with TRT results, potential power exchanged between BHE and rock mass was determined. In order to find relations between pressure losses and volumetric flow rate, hydraulic tests in average static temperature of rock mass and during heating period were investigated. Proportions between hydraulic power and total power exchange with rock mass are also presented in following research.
    Źródło:
    AGH Drilling, Oil, Gas; 2017, 34, 1; 123-139
    2299-4157
    2300-7052
    Pojawia się w:
    AGH Drilling, Oil, Gas
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The analysis of heating output evaluation methods for borehole heat exchangers
    Autorzy:
    Śliwa, T.
    Grygieńcza, A.
    Bieda, A.
    Sapińska-Śliwa, A.
    Gonet, A.
    Jaszczur, M.
    Kowalski, T.
    Powiązania:
    https://bibliotekanauki.pl/articles/299135.pdf
    Data publikacji:
    2016
    Wydawca:
    Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
    Tematy:
    borehole heat exchanger
    geoenergetics
    heat pumps
    thermal response test
    Opis:
    Projects involving borehole heat exchangers more often need to undergo a series of tests before implementation. Inserted pipes and cement in the borehole may have diff erent thermal properties. Until recently, such values were determined in approximate, based on values taken from the literature. Special methods are used more often to perform this type of work in order to correctly determine the properties of a borehole heat exchanger. The aim of the study was to present an analysis of thermal properties of borehole heat exchangers with the main emphasis on parameters such as thermal conductivity and thermal resistance. The analyzed data was obtained through the use of three methods:– analysis of the lithological profi le with rock conductivity based on the literature,– analysis of natural temperature profi le in aborehole heat exchanger (logger NIMO-T),– thermal response test.
    Źródło:
    AGH Drilling, Oil, Gas; 2016, 33, 3; 579-594
    2299-4157
    2300-7052
    Pojawia się w:
    AGH Drilling, Oil, Gas
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    New borehole heat exchangers in the Geoenergetics Laboratory at the Faculty of Drilling, Oil and Gas, AGH UST in Krakow
    Autorzy:
    Śliwa, T.
    Gonet, A.
    Sojczyńska, A.
    Złotkowski, A.
    Kowalski, T.
    Sapińska-Śliwa, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/2052223.pdf
    Data publikacji:
    2020
    Wydawca:
    Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
    Tematy:
    Laboratory of Geoenergetics
    geothermal energy
    geoenergetics
    borehole heat exchangers
    thermal response test
    geothermics
    Opis:
    The Geoenergetics Laboratory at the Faculty of Drilling, Oil and Gas in Krakow is presented in this paper to mark its 10th anniversary. The origins of the Laboratory, its equipment and the design of borehole heat exchangers belonging to the field research station are also discussed. Recently, the construction of 14 new borehole heat exchangers was designed and the boreholes will be drilled in the area of AGH University. They will perform heating and cooling for the new S1 building of the University. Every borehole heat exchanger will be tested, with the effective thermal conductivity and borehole thermal resistivity calculated after a thermal response test on every borehole. The difference between boreholes should show the difference of borehole thermal resistivity, but the effective thermal conductivity should be the same.
    Źródło:
    AGH Drilling, Oil, Gas; 2018, 35, 4; 5-12
    2299-4157
    2300-7052
    Pojawia się w:
    AGH Drilling, Oil, Gas
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-3 z 3

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