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Wyszukujesz frazę "micro channel heat exchanger" wg kryterium: Temat


Wyświetlanie 1-2 z 2
Tytuł:
Examination of Different Heat Exchangers and the Thermal Activities of Different Designs
Autorzy:
Ipek, O.
Kan, M.
Gurel, B.
Powiązania:
https://bibliotekanauki.pl/articles/1031281.pdf
Data publikacji:
2017-09
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
heat exchangers
compact heat exchanger
micro channel heat exchanger
Opis:
In this study, instead of gasketed or brazed plate heat exchangers, which are used in various fields of application, a direct metal sintering method is used to design a heat exchanger with its original geometry and with different geometries. Studies of heat exchangers found in published literature were reviewed, and the thermal behaviors of the proposed unique designs were examined. Usually heat exchangers using this design do not use channel spacing angles of 30-45-60-75° for the plate ducts. The thermal behaviors of the fluid-circulating systems were analyzed using ANSYS FLUENT software, and they used the boundary conditions found in the literature for this design. Heat transfer between the heat exchanger channels and channel walls was calculated. The analyses results show that an increase in the amount of heat transfer surface area and also an increase in surface roughness increased the amount of positive heat transfer.
Źródło:
Acta Physica Polonica A; 2017, 132, 3; 580-584
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Studium nad łączeniem mikro kanalikowych wymienników ciepła w wymiennik integralny
Studies on the Micro Heat Exchangers Coupling into Integral Heat Exchanger
Autorzy:
Kaczmarczyk, O.
Mikielewicz, J.
Powiązania:
https://bibliotekanauki.pl/articles/1818558.pdf
Data publikacji:
2015
Wydawca:
Politechnika Koszalińska. Wydawnictwo Uczelniane
Tematy:
mikro kanalikowy wymiennik ciepła
sieć wymienników
ORC
micro channel heat exchanger
heat exchangers grid
Opis:
As it is commonly known, heat exchangers are widely used in power generators equipment. The biggest disadvantage of conventional heat exchangers is that, in case of the energy load variation, it must be replaced by the one of different size. The aim of this work is to specify a method of combining micro channel heat exchangers into a grid, realising different powers. It was ment to specify the most accurate micro channel heat exchangers connection, in order to increase the intensity of the heat exchange process. Studied problem was about heating the ORC working medium (R134a) using waste heat (hot water). In this paper, there has been studied the fenomenon of the heat exchange process in the micro channel heat exchanger grid, which will be further called the integral heat exchanger. There have been studied three cases of micro channel heat exchangers connections, such as: parallel-parallel, parallel (heating water)-serial (R134a) and parallel (R134a) – serial (heating water). On the basis of the results of the analytical analysis it has been stated, that the serial (heating water)-parallel (R134a 7) micro channel heat exchangers combination is the most suitable for the most intensive heat exchange.
Źródło:
Rocznik Ochrona Środowiska; 2015, Tom 17, cz. 1; 485-506
1506-218X
Pojawia się w:
Rocznik Ochrona Środowiska
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-2 z 2

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