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Title
The development of long-range heat transfer surfaces
for marine diesel engine charge air coolers
ISSN printed: 1733-8670,
ISSN on-line: 2392-0378
Kuznetsov, Valerii1; Gogorenko, Oleksiy2; Kuznetsova, Svetlana3
2021-03-31
Charge air cooling is essential for the efficient operation of marine diesel engines. This work presents the results
of research on the characteristics of long-range heat transfer surfaces for marine diesel engines. Elliptical and
flat-oval tubes were considered. This study was carried out using mathematical models that consisted of the
equations for energy conservation, motion, continuity, and state. The RSM turbulence model was used to close
the system of equations. To solve the resulting system of equations, the RANS approach was used, which was
implemented in the software package Code Saturne with a free license and the SimScale cloud service. The
mathematical model was verified by comparing the model results with the experimental results obtained using
a prototype heat-exchange surface of a charge air cooler at a test bench. The discrepancy between the theoretical
and experimental heat transfer coefficient α was ≤ 8.3%. An estimate of the compactness of smooth elliptical
and flat-oval tube banks compared with round ones was carried out. A 19.6% increase in compactness was
obtained for elliptical tubes and 17.5% for flat-oval tubes. Based on the profiled finning surfaces, it is possible
to improve their thermohydraulic characteristics by up to 40% when using them together with elliptical tubes
compared with round ones and up to 26% when using them with flat-oval tubes.
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Title
The development of long-range heat transfer surfaces for marine diesel engine charge air coolersPages
Figures
7Tables
0ISSN printed
1733-8670ISSN on-line
2392-0378DOI
10.17402/460Type
Original scientific articleJournal
65 Scientific Journals of the Maritime University of Szczecin, no. 65 / 2021Publisher
Scientific Journals Maritime University of Szczecin, Zeszyty Naukowe Akademia Morska w SzczecinieCopyright Holder
Scientific Journals Maritime University of Szczecin, Zeszyty Naukowe Akademia Morska w SzczeciniePublished
2021-03-31Recieved
2020-12-10Accepted
2021-03-29Funding
No dataKeywords
marine diesel engines, charge air cooler, heat transfer surface, efficiency, finns, dimplesURI:
https://repository.am.szczecin.pl/handle/123456789/2662Language
EnglishAuthors
Kuznetsov, Valerii1; Gogorenko, Oleksiy2; Kuznetsova, Svetlana3Affiliation
1 Admiral Makarov National University of Shipbuilding 9 Heroiv Ukraine Ave., 54025, Mykolayiv, Ukraine Department of Marine Infrastructure Systems Engineering and Energy Management, valeriy.kuznetsov@nuos.edu.ua2 Admiral Makarov National University of Shipbuilding 9 Heroiv Ukraine Ave., 54025, Mykolayiv, Ukraine Department of Internal Combustion Engines, Plants and Technical Exploitation, oleksiy.gogorenko@gmail.com
3 Admiral Makarov National University of Shipbuilding 9 Heroiv Ukraine Ave., 54025, Mykolayiv, Ukraine Operation of Ship’s Power Plants and Heat Power Department, svitlana.kuznetsova@nuos.edu.ua
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65 Scientific Journals of the Maritime University of Szczecin, no. 65 / 2021
65 Scientific Journals of the Maritime University of Szczecin, no. 65 / 2021
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