Results 141 to 150 of about 1,223 (180)
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The Effects of the Cooling Gallery Position on the Piston Temperature Field and Thermal Stress
Applied Mechanics and Materials, 2010The effects of cooling gallery position on the piston temperature field and thermal stress are studied. A finite element model of 1015 engine piston is developed using Pro/E software and finite element analyses are achieved through ANSYS code. Numerical simulations are performed to find the temperature and thermal stress change rules with regard to the
Wei Zheng Zhang
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International Communications in Heat and Mass Transfer, 2020
Abstract In research of the accurate relation between two-phase flow pattern and heat transfer characteristics in distinct cooling gallery structures, a dynamic transient visualization test bench was established recording flow of fluid real-time. Meanwhile, multiphase flow model and dynamic mesh were also employed to carry out simulation calculation ...
Deng Lijun, Zhang Jian, Hao Guannan
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Abstract In research of the accurate relation between two-phase flow pattern and heat transfer characteristics in distinct cooling gallery structures, a dynamic transient visualization test bench was established recording flow of fluid real-time. Meanwhile, multiphase flow model and dynamic mesh were also employed to carry out simulation calculation ...
Deng Lijun, Zhang Jian, Hao Guannan
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The flow and heat transfer characteristics of engine oil inside the piston cooling gallery
Applied Thermal Engineering, 2017Abstract The current study employed the Eulerian multiphase model and the geometry reconstruction scheme to describe the periodic flow and heat transfer processes of engine oil inside the piston cooling gallery. The effects of engine speed and oil jet velocity on the heat transfer were explored.
Yuebin Yu, Ruobing Liang, Minli Bai
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The gas-liquid two-phase flow in reciprocating enclosure with piston cooling gallery application
International Journal of Thermal Sciences, 2018Abstract With the specific power of diesel engines steadily advancing, heat removal from the piston has become a determining factor to ensure engine reliability and durability of engines. However, piston head complex structure makes it very difficult to accurately capture the flow and heat transfer processes of cooling engine oil within the piston ...
Sungmin Yoon, Yuebin Yu
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Proceedings of the Institution of Mechanical Engineers, Part D: Journal of Automobile Engineering
Being a crucial thermal management component in an internal combustion engine, the wettability of the piston gallery significantly influences heat transfer performance. This study deeply investigates the impact of the piston gallery’s wettability on heat transfer performance through numerical simulation.
Fei Dong
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Being a crucial thermal management component in an internal combustion engine, the wettability of the piston gallery significantly influences heat transfer performance. This study deeply investigates the impact of the piston gallery’s wettability on heat transfer performance through numerical simulation.
Fei Dong
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CFD Simulation of Oil Jet Piston Cooling Applied to Pistons with Cooling Gallery
SAE International Journal of Advances and Current Practices in Mobility, 2022<div class="section abstract"><div class="htmlview paragraph">Efficient cooling of pistons with oil jets can avoid engine failures due to exceeded piston temperatures of thermally high-loaded combustion engines and can contribute to fuel consumption savings.
Anselm Hopf +3 more
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New method for evaluating the influence of the cooling gallery shape on the heat load of piston
International Communications in Heat and Mass TransferPeiyou Xiong +6 more
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Advanced Piston Cooling Efficiency: A Comparison of Different New Gallery Cooling Concepts
SAE Technical Paper Series, 2007<div class="htmlview paragraph">This paper shows results of an experimental study based on a passenger car diesel engine: The piston temperature reduction potential of advanced gallery cooling concepts compared to the standard gallery cooling solution has been investigated.
Norman Thiel +3 more
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Controllable thermal state design method of flexible shapes of piston cooling galleries
Applied Thermal Engineering, 2021Abstract The uneven temperature field is a great contributor to abnormal deformations and local damages of the piston. The piston gallery cooling is one of the effective ways to achieve an acceptable temperature field of the piston head. However, the traditional design of piston cooling gallery cannot accurately control the local thermal state of the
Xiwen Deng +4 more
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Effects of piston cooling gallery geometry on temperature and flow in a heavy-duty diesel engine
Thermal Science and Engineering ProgressNimeti DÖNER, Sule Apaydin
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