Performance comparison between different type of evaporative cooling systems

Tham, Jie Yi (2019) Performance comparison between different type of evaporative cooling systems. Project Report. Universiti Teknikal Malaysia Melaka, Melaka, Malaysia. (Submitted)

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Abstract

The phenomenon of evaporative cooling is a common process in nature, whose applications for cooling air are being used since the ancient years. Evaporative cooling is simply based on the phenomenon of reducing the air temperature by evaporating water on it, hence it meets this objective with low energy consumption. Unlike air conditioning system, evaporative cooling is environmentally friendly with no greenhouse emissions. In this paper the performance of different types of cooling system approaches are being compared by improving the current evaporative systems. There are 3 different types of evaporative cooling system which are wet string, wet cylinder and multi water droplet. Improvements for evaporative cooling systems included modifications on changed of material of string, added more holes on wet cylinder and decreased the length of syringe. For temperature measurement, USB TC-08 data logger and thermocouple are used as instruments to measure the temperature of air during the experiment. The temperature was measured and recorded in the duration of 1 hour with 10 second interval of time. The temperature difference between inlet air and outlet was obtained to determine the performance of each evaporative cooling system. The results show that the multi water droplet evaporative cooling system has the best performance of cooling effect

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