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Experimental and simulation study on oscillating flow and heat transfer characteristics of the cooling gallery in steel pistons

open access: yesCase Studies in Thermal Engineering
To characterize the oscillating flow and heat transfer characteristics of the cooling gallery inside a steel piston, a visual experimental platform was designed and constructed.
Yang Liu   +5 more
doaj   +6 more sources

A transient numerical study for heat transfer and flow characteristics of dimpled piston cooling gallery of a diesel engine

open access: yesCase Studies in Thermal Engineering, 2023
Piston cooling gallery is an effective cooling method to achieve an acceptable piston temperature field. This paper aims to analyze the effects of teardrop dimples size and dimple head-and-tail orientation on flow and heat transfer inside the cooling ...
Jinkun Wang   +4 more
doaj   +5 more sources

Effect of surface roughness on the oil distribution and the heat transfer coefficient for piston cooling gallery

open access: yesCase Studies in Thermal Engineering, 2022
Piston cooling gallery plays a critical role in managing the temperature of the piston and its performance. This paper aims to study the effect of surface roughness on heat transfer coefficient (HTC) inside the cooling gallery.
Muhammad Hamza   +2 more
doaj   +5 more sources

Implementation of the mechanistic wall boiling model in IC engine cooling gallery simulation [PDF]

open access: yesMATEC Web of Conferences, 2018
The ever increasing power rates of modern IC engines pose a great challenge for maintaining the optimal temperature conditions. The current trend in the thermal management of IC engines is to utilize the limited and controlled nucleate boiling to achieve
Abyzov Oleg   +2 more
doaj   +5 more sources

Research on the oscillating flow and heat transfer of the cooling gallery inside a multi-material composite piston

open access: yesCase Studies in Thermal Engineering
The heat transfer ability of cooling gallery inside high-strengthened diesel engine composite piston is highly required. This article established an oscillating heat transfer model for gas-liquid two-phase flow of cooling gallery.
Haixiang Yang   +6 more
doaj   +4 more sources

Experimental and simulation study on heat transfer characteristics of aluminium alloy piston under transition conditions [PDF]

open access: yesScientific Reports, 2022
In order to explore the thermal load change of the diesel engine piston under transitional conditions, and the influence of the position of cooling gallery on the heat transfer characteristics of the piston.
Yang Liu   +5 more
doaj   +2 more sources

The lightweight design of steel pistons for diesel engines based on thermo-mechanical characteristics [PDF]

open access: yesScientific Reports
Traditional aluminum–silicon alloy pistons are gradually replaced by steel pistons, which has become the trend of future diesel engine development. However, the efficient design and broad application of steel pistons are limited by the higher density of ...
Yang Liu   +5 more
doaj   +2 more sources

Field synergy analysis of the heat transfer characteristics of cooling oil gallery in highly-intensified piston

open access: yesJournal of Hebei University of Science and Technology, 2022
In order to study the oscillating heat transfer enhancement mechanism of the cooling oil gallery of highly-enhanced piston,the oscillatory flow and heat transfer process of engine-oil in the cooling oil gallery of piston were analyzed by the field ...
Hairong ZHU   +4 more
doaj   +2 more sources

Heat transfer analysis of piston cooling using nanofluids in the gallery

open access: yesMicro and Nano Letters, 2015
Attaining proper temperature in engines is always a challenge for engine manufacturers primarily because temperature has a significant role in engine performance and emissions. With the development of new technology in the field of nanofluids, it seems very promising to use nanofluids as the coolant in internal combustion engines. In this reported work,
Minli Bai, Jizu Lv, Chengzhi Hu
exaly   +2 more sources

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