Abstract The demand for the materials required for manufacturing automotive vehicles is increasing due to the increased production of vehicles in the automotive industry. To satisfy these demands, researchers are focusing to reduce the overall weight of the vehicle by finding alternate solutions to maintain the same efficiency. In this experimental and statistical investigation, Silicon carbide (SiC) nanofluids of different sizes are analyzed to enhance the heat transfer properties of an automotive radiator so that the size of the radiator can be reduced. Results showed that low sized nanoparticles of 24 nm have higher heat transfer properties than large-sized nanoparticles of 110 nm. The settling velocity of 2.075 is obtained for 24 nm-SiC at a 3% volume concentration by using Response Surface Methodology. The higher Brownian velocity of 9.453 was obtained by using 24 nm-SiC at a 3% volume concentration proving that low sized nanoparticles have a high impact than large-sized nanoparticles. It is concluded that utilizing lower sized nanoparticles with the base fluid will enhance heat transfer and can reduce the size of radiators compared with the conventional coolants.

中文翻译：

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纳米颗粒尺寸对散热器传热特性的影响

摘要 由于汽车工业中车辆产量的增加，对制造汽车所需材料的需求也在增加。为了满足这些需求，研究人员正致力于通过寻找替代解决方案来降低车辆的整体重量以保持相同的效率。在这项实验和统计调查中，分析了不同尺寸的碳化硅 (SiC) 纳米流体以提高汽车散热器的传热性能，从而减小散热器的尺寸。结果表明，24 nm 的小尺寸纳米粒子比 110 nm 的大尺寸纳米粒子具有更高的传热性能。2.075 的沉降速度是 24 nm-SiC 在 3% 体积浓度下通过使用响应表面方法获得的。较高的布朗速度为 9。通过使用体积浓度为 3% 的 24 nm-SiC 获得 453，证明小尺寸纳米颗粒比大尺寸纳米颗粒具有更高的影响。得出的结论是，与传统冷却剂相比，将较小尺寸的纳米颗粒与基液一起使用将增强热传递并可以减小散热器的尺寸。