Numerical Study of The Effect of Adding Fin Heat Sink on Prismatic Cell Module With U-Type Cooling System

Balangga, Layung Alang (2024) Numerical Study of The Effect of Adding Fin Heat Sink on Prismatic Cell Module With U-Type Cooling System. Other thesis, Institut Teknologi Sepuluh Nopember.

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Abstract

Indonesia is experiencing a major shift from the use of fossil fuels to electric transportation. The government has taken a step forward with a program to accelerate battery-based electric vehicles as an initiation of this transformation. This is a commitment to the Paris Agreement and also supports energy security. Regulations that support low-carbon transportation via Battery-Based Electric Motorized Vehicles (KBLBB) have been implemented by the government. Lithium-ion batteries are widely used for electric vehicles because they have high specific energy and energy density, long endurance, low self-discharge, and long shelf life. This research will study the effect of adding a heat sink to a prismatic battery cell module. The cooling system used is U-type cooling with parallel inlet and outlet. The method used is a computational fluid dynamic simulation using ANSYS FLUENT software. The heat generated by the battery is assumed to be constant and is cooled by air with an inlet speed and temperature of 4 m/s and 299.15 K, respectively. The variations studied are the geometric shape of the heat sink, namely straight fin, pin fin with the same height, and pin fin with different heights. The addition of a heat sink is expected to reduce the maximum temperature of the battery and increase temperature uniformity. However, this can also increase the pressure drop and fan power requirements. The output of this research is in the form of battery temperature contours, fluid velocity contours, and fluid pressure contours to determine optimal variations in reducing temperature with the smallest possible increase in pressure. The results show that the most optimal model is model 4 with a pin fin-shaped heat sink with different heights where in this model, the maximum temperature decreases by 12,888 K from the initial model, the fluid flow speed is faster than the initial model and has a pressure drop and fan power lower than models with other heat sinks at 156.185 Pa and 0.911 W.

Item Type:	Thesis (Other)
Uncontrolled Keywords:	Battery, Lithium-ion, Heat sink, Temperature
Subjects:	T Technology > TJ Mechanical engineering and machinery > TJ263 Heat exchangers T Technology > TK Electrical engineering. Electronics Nuclear engineering > TK2921 Lithium cells.
Divisions:	Faculty of Industrial Technology and Systems Engineering (INDSYS) > Mechanical Engineering > 21201-(S1) Undergraduate Thesis
Depositing User:	Layung Alang Balangga
Date Deposited:	12 Aug 2024 04:01
Last Modified:	12 Aug 2024 04:01
URI:	http://repository.its.ac.id/id/eprint/113288

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