Hydrogen Containing Nanofluids in the Spark Engine’s Cylinder Head Cooling System

Alexander Balitskii, Myroslav Kindrachuk, Dmytro Volchenko, Karol F. Abramek, Olexiy Balitskii, Vasyl Skrypnyk, Dmytro Zhuravlev, Iryna Bekish, Mykola Ostashuk and Valerii Kolesnikov
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Alexander Balitskii: Department of Strength of the Materials and Structures in Hydrogen-Containing Environments, Karpenko Physico-Mechanical Institute, National Academy of Sciences of Ukraine, 79-601 Lviv, Ukraine
Myroslav Kindrachuk: Aerospace Faculty, National Aviation University, 03-058 Kyiv, Ukraine
Dmytro Volchenko: Institute of Mechanical Engineering, Ivano-Frankivsk National Technical University of Oil and Gas, 76-000 Ivano-Frankivsk, Ukraine
Karol F. Abramek: Department of Mechanical Engineering and Mechatronics, West Pomeranian University of Technology in Szczecin, 70-310 Szczecin, Poland
Olexiy Balitskii: Department of System Design, Lviv Ivan Franko National University, 79-005 Lviv, Ukraine
Vasyl Skrypnyk: Institute of Mechanical Engineering, Ivano-Frankivsk National Technical University of Oil and Gas, 76-000 Ivano-Frankivsk, Ukraine
Dmytro Zhuravlev: Institute of Mechanical Engineering, Ivano-Frankivsk National Technical University of Oil and Gas, 76-000 Ivano-Frankivsk, Ukraine
Iryna Bekish: Institute of Mechanical Engineering, Ivano-Frankivsk National Technical University of Oil and Gas, 76-000 Ivano-Frankivsk, Ukraine
Mykola Ostashuk: Department of Transport Technologies, Lviv Polytechnic National University, 79-000 Lviv, Ukraine
Valerii Kolesnikov: Department of Strength of the Materials and Structures in Hydrogen-Containing Environments, Karpenko Physico-Mechanical Institute, National Academy of Sciences of Ukraine, 79-601 Lviv, Ukraine

Energies, 2021, vol. 15, issue 1, 1-20

Abstract: The article is devoted to the following issues: boiling of fluid in the cooling jacket of the engine cylinder head; agents that influenced the thermal conductivity coefficient of nanofluids; behavior of nanoparticles and devices with nanoparticles in the engine’s cylinder head cooling system. The permissible temperature level of internal combustion engines is ensured by intensification of heat transfer in cooling systems due to the change of coolants with “light” and “heavy” nanoparticles. It was established that the introduction of “light” nanoparticles of aluminum oxide A l 2 O 3 A l 2 O 3 into the water in a mass concentration of 0.75% led to an increase in its thermal conductivity coefficient by 60% compared to the base fluid at a coolant temperature of 90 °C, which corresponds to the operating temperature of the engine cooling systems. At the indicated temperature, the base fluid has a thermal conductivity coefficient of 0.545 W m 2 × ° C W/(m °C), for nanofluid with A l 2 O 3 particles its value was 0.872 W m 2 × ° C . At the same time, a positive change in the parameters of the nanofluid in the engine cooling system was noted: the average movement speed increased from 0.2 to 2.0 m/s; the average temperature is in the range of 60–90 °C; heat flux density 2 × 10 2 –2 × 10 6 W m 2 ; heat transfer coefficient 150–1000 W m 2 × ° C . Growth of the thermal conductivity coefficient of the cooling nanofluid was achieved. This increase is determined by the change in the mass concentration of aluminum oxide nanoparticles in the base fluid. This will make it possible to create coolants with such thermophysical characteristics that are required to ensure intensive heat transfer in cooling systems of engines with various capacities.

Keywords: internal combustion engine; cylinder head; nanofluid; nanoparticles (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2021
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