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首页> 外文期刊>American Journal of Engineering Research >Heat Reduction FromIc Engine By Using Al2o3Nanofluid In Engine Cooling System
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Heat Reduction FromIc Engine By Using Al2o3Nanofluid In Engine Cooling System

机译：Al2o3纳米流体在发动机冷却系统中降低内燃机的热量

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摘要

Cooling system plays important roles to control the temperature of car.s engine. One of the important elements in the car cooling system is cooling fluid. The usage of wrong cooling fluid can give negatives impact to the car.s engine and shorten engine life. An efficient cooling system can prevent engine from overheating and assists the vehicle running at its optimal performance. With the development of new technology in the fields of .nano-materials. and .nano-fluids., it seems very promising to use this technology as a coolant in the internal combustion engines. In this study, a nano-fluid (Al2O3-Water/Ethylene Glycol (EG)) is used as an engine coolant along with an optimized heat exchanger to reduce the warm-up timing. The effect of nano-fluid concentration is considered here by using their corresponding governing equations, such as momentum and energy. The engine coolant thermal behaviour calculation is carried out based on the lumped method. The obtained results indicated that using different percentage of nano-fluid mixtures (by volume), such as Al2O3-Water/EG as engine coolant enhances the heat transfer coefficient and reduces the warm-up timing which, in turn, results in reduced emissions and fuel consumption.
机译：冷却系统在控制汽车发动机温度方面起着重要作用。汽车冷却系统中的重要元素之一是冷却液。使用错误的冷却液会给汽车发动机带来负面影响，并缩短发动机寿命。高效的冷却系统可以防止发动机过热，并以最佳性能协助车辆行驶。随着纳米材料领域新技术的发展。和纳米流体。将这种技术用作内燃机的冷却剂似乎非常有前途。在这项研究中，纳米流体（Al2O3-水/乙二醇（EG））与优化的热交换器一起用作发动机冷却剂，以减少预热时间。通过使用它们相应的控制方程，例如动量和能量，在这里考虑了纳米流体浓度的影响。基于集总法进行发动机冷却液热行为的计算。获得的结果表明，使用不同百分比的纳米流体混合物（按体积计），例如Al2O3-水/ EG作为发动机冷却剂，可以提高热传递系数并减少预热时间，进而减少排放和降低排放。燃油消耗。

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