RANCANG BANGUN DAN ANALISA PERFORMA ALAT PENUKAR PANAS DOUBLE PIPE MENGGUNAKAN METODE LMTD: SEKALA LABORATORIUM

Handik Hendratama
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Abstract

A heat exchanger is a tool that is used to increase or reduce fluid temperatures. One type of this tool is a type of double pipe, this type is the simplest if compared to other types of heat exchanging devices, where hot fluid flows in the inner tube and cold fluid flows in the anulus. This study aims to analyze the efficiency of laboratory scale heat exchanging devices with water  hot and cold fluids. The result shows the average effectiveness of this equipment is 20% this result is better when compared to several other studies which on the laboratory scale only show maximum efficiency at 17%. The fouling factor is an obstacle that causes a decrease in the effect of heat exchangers, the greater the fouling factor, the greater the heat resistance caused by the pipe. This study shows the amount of Fooling factor of 0.006, the value is greater than the available Fouling Factor constant. The results stated that there is a relationship between remediable numbers (Reynold numbers) with the amount of heat transferred by heat fluid. The greater the value of Reynold the greater the expressed heat. Even though it has high efficiency, this equipment can still not be used because of some considerations such as low efficiency and efficient..
热交换器是一种用来提高或降低流体温度的工具。这种工具的一种类型是一种类型的双管,这种类型是最简单的,如果与其他类型的热交换装置相比,热流体在管内流动,冷流体在环空流动。本研究旨在分析实验室规模的水、热、冷流体换热装置的效率。结果表明,该设备的平均效率为20%,与其他几项在实验室规模上仅显示最高效率为17%的研究相比,这一结果更好。结垢系数是造成换热器效果下降的障碍,结垢系数越大,管道产生的热阻越大。本研究表明,糊弄因子的量为0.006,其值大于可用的糊弄因子常数。结果表明,可补救数(雷诺数)与热流体传热量之间存在一定的关系。雷诺数越大,所表达的热量越大。尽管该设备效率很高,但由于效率低、效率低等方面的考虑,仍不能使用。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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