Results 141 to 150 of about 1,268 (168)
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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 ...
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 ...
Hao Guannan
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3-D Modeling of Heat Transfer in Diesel Engine Piston Cooling Galleries
SAE Technical Paper Series, 2005<div class="htmlview paragraph">Ever increasing specific power of diesel engines has put huge demand on effective thermal management of the pistons for the desired reliability and durability. The piston temperature control is commonly achieved by injecting cooling oil into piston galleries, but the design of the cooling system as well as the ...
Jinfeng Pan +2 more
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CFD Modeling of the Multiphase Flow and Heat Transfer for Piston Gallery Cooling System
SAE Technical Paper Series, 2007<div class="htmlview paragraph">Numerical models are used in this study to investigate the oil flow and heat transfer in the piston gallery of a diesel engine. An experiment is set up to validate the numerical models. In the experiment a fixed, but adjustable steel plate is instrumented and pre-heated to a certain temperature. The oil is injected
Yong Yi +6 more
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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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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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Thermo-Optical Tuning of Whispering Gallery Modes in Microspheres around the 85Rb Cooling Transition
Frontiers in Optics 2009/Laser Science XXV/Fall 2009 OSA Optics & Photonics Technical Digest, 2009We present a method for tuning whispering gallery modes in microspheres and demonstrate tuning to the cooling transition of85Rb. The tuning method can be used in UHV and is of interest for cavity-QED experiments.
Laura Russell +3 more
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Numerical Heat Transfer, Part A: Applications, 2013
Copper and diamond nanoparticles with diameters of 50 nm are added into conventional engine oil, respectively, to preparetwo new types of nanofluids, which are further used as the heat transfer medium for the piston cooling gallery. Detailed oil flow and heat transfer processes of copper-oil and diamond-oil nanofluids, with the volume fractions of 1 ...
Wang Peng +5 more
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Copper and diamond nanoparticles with diameters of 50 nm are added into conventional engine oil, respectively, to preparetwo new types of nanofluids, which are further used as the heat transfer medium for the piston cooling gallery. Detailed oil flow and heat transfer processes of copper-oil and diamond-oil nanofluids, with the volume fractions of 1 ...
Wang Peng +5 more
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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 ...
Peng Wang +4 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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Study on low-cycle fatigue life of diesel engine piston considering oil cooling gallery structure
Applied Thermal EngineeringDongfang Wang, Jilin Lei, Baojian Wang
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