Authors

Nazaruddin Sinaga

Mechanical Engineering Department, Faculty of Engineering, Diponegoro University, Jl. Prof. H. Soedarto, SH, Tembalang-Semarang 50275, Indonesia

Muchammad

Mechanical Engineering Department, Faculty of Engineering, Diponegoro University, Jl. Prof. H. Soedarto, SH, Tembalang-Semarang 50275, Indonesia

Abstract

The increasing development of technology has an effect on the increasing use of technology. One example of the use of technology that has increased is the use of air conditioning or AC (Air Conditioner). Heat exchanger is a device that allows heat transfer and can also function as a heater or cooler. Heat exchangers are designed as much as possible so that the heat transfer process between fluids can take place efficiently, based on the types of heat exchangers are divided into several types. The purpose of this study is to determine the effect of the effectiveness of the heat exchanger air cooler with cold water temperature that changes over time and to determine the effect of variations in pump and fan flow speed on the performance of the heat exchanger air cooler. The research method was carried out experimentally on the air cooler heat exchanger with variations in water discharge of 5 L/min, 2.5L/min, 0L/min and variations in air velocity of 3.34 m/s, 2.50 m/s, and 1.67 m/s. Based on the effectiveness test carried out and when viewed from the graph and calculation of effectiveness, the best condition for using this air cooler tool is to use the air speed variation of 1.67 m/s or 50% of the maximum speed generated by the fan. It can be noted that this speed can produce a stable effectiveness value.

Keywords

air cooler; effectiveness; heat exchanger; heat transfer

Citation of this Article

Nazaruddin Sinaga, & Muchammad. (2025). Effectiveness Test of Transient Cross Flow Air Cooler Heat Exchanger. International Current Journal of Engineering and Science (ICJES), 4(11), 32-35. Article DOI: https://doi.org/10.47001/ICJES/2025.411006

Licence Copyright (c) 2026 International Current Journal of Engineering and Science. This work is licensed under a Creative Commons Attribution Non Commercial 4.0 International Licence.

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