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Wyszukujesz frazę "Bieda, M." wg kryterium: Autor


Wyświetlanie 1-4 z 4
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:
The impact of diatomite on the thermal conductivity of solidified grout
Autorzy:
Dubiel, S.
Śliwa, T.
Kowalski, T.
Stryczek, S.
Wiśniowski, D.
Bieda, A.
Piwowarczyk, S.
Beszłej, J.
Naklicki, M.
Powiązania:
https://bibliotekanauki.pl/articles/298779.pdf
Data publikacji:
2017
Wydawca:
Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
Tematy:
heat exchangers
geothermal wells
diatomite
Opis:
The use of suitable materials for the preparation of sealing grout is an important issue from the point of view of the correct construction of borehole heat exchangers and geothermal wells. The minimization of the loss of heat during the transport of thermal water in geothermal wells can be achieved by use of sealing slurries with reduced thermal conductivity. Such slurries are also recommended in the upper part of deep borehole heat exchangers and the upper part of energy piles. The publication describes the impact of the addition of diatomite as a material lowering the thermal conductivity of solidified grout.
Źródło:
AGH Drilling, Oil, Gas; 2017, 34, 3; 691-700
2299-4157
2300-7052
Pojawia się w:
AGH Drilling, Oil, Gas
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The impact of graphite impact on the thermal conductivity of the solidified grout
Autorzy:
Śliwa, T.
Kowalski, T.
Stryczek, S.
Wiśniowski, D.
Bieda, A.
Piwowarczyk, S.
Beszłej, J.
Naklicki, M.
Sapińska-Śliwa, A.
Powiązania:
https://bibliotekanauki.pl/articles/298729.pdf
Data publikacji:
2017
Wydawca:
Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
Tematy:
graphite
thermal conductivity
geothermal energy
Opis:
The fast development of low-temperature geothermal energy affects the search for newer and newer solutions and materials used in the construction of borehole heat exchangers. One of the most important factors affecting the correct operation of heat pump systems with borehole heat exchangers is appropriately selected solidified grout. Solidifies grout has to be characterized by the highest thermal conductivity and good sealing borehole heat exchangers. The paper will present the impact of graphite on the thermal conductivity of solidified grout.
Źródło:
AGH Drilling, Oil, Gas; 2017, 34, 4; 811-820
2299-4157
2300-7052
Pojawia się w:
AGH Drilling, Oil, Gas
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-4 z 4

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