Georgii Karman, Yurii Oksen, Olena Trofymova, Yurii Komissarov, Borys Dizhevskyi, Maksym Radiuk, Inna Diakun. Conversion of gas engine waste heat into cold using absorption chillers

Details

Parent Category: Geo-Technical Mechanics, 2020

Category: Geo-Technical Mechanics, 2020, № 153

Geoteh. meh. 2020, 153, 151-161

https://doi.org/10.1051/e3sconf/202016800046

 

CONVERSION OF GAS ENGINE WASTE HEAT INTO COLD USING ABSORPTION CHILLERS

¹Georgii Karman, ²Yurii Oksen, ²Olena Trofymova, ²Yurii Komissarov, ²Borys Dizhevskyi,²Maksym Radiuk, ³Inna Diakun

¹General Electric, ²National Technical University "Dnipro Polytechnic", ³Institute of Geotechnical Mechanics named by N. Poljakov of National Academy of Sciences of Ukraine

Language: English

Abstracts. A possibility of gas engine waste heat conversion into cold for air conditioning in mines using lithium bromide absorption chillers is investigated. Dependencies of parameters of a thermodynamic cycle and energy indicators of chillers on temperatures of a heating medium and a coolant are obtained using mathematical modelling. It is shown that it is rational to use two chillers with sequential movement of a heating medium and a coolant through them in opposite directions for a full conversion of gas engine waste heat. COP of such a system is 0.733. This allows obtaining 2140 kW of cooling capacity with a coolant temperature of 7°C when using a gas engine JMS-620 by Jenbacher.

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