Developing A Multi Water Droplets Evaporative Cooling System

N. Vijayakumar, Jagatheskumar (2018) Developing A Multi Water Droplets Evaporative Cooling System. Project Report. UTeM, Melaka, Malaysia. (Submitted)

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Abstract

Climate change is becoming undeniably significant every day which is beneficial neither for human population nor the planet. This directly affect thermal comfort level in our surroundings. However, it is difficult to curb it all at once. It is important to look into possible aspects that can be explored and studied that may contribute towards the betterment of the environment. Cooling systems are closely related as they are observed to be crucial in altering indoor ambience according to human comfort level. Even though the conventional options seem to be efficient in this matter, continuous usage or mishandling results in environmental damage. Hence, it is important to explore alternative options that may serve the same purpose in a better way. The purpose of this study is to develop a evaporative cooling system using multi water droplets approach and investigate the performance of the system by testing different configurations of multi water droplets. An experimental setup was developed consisting a flow straightener, water supply system, fan and evaporation chamber. The droplet generator is fabricated using a metal plate and syringes to form water droplets. All components mentioned was fabricated and enclosed in a support frame to form a cooling system. The experiment is then conducted using plain water and cold water. Three type of configurations were tested in the evaporation chamber by altering the number of opened and closed syringes which are named as Configuration A, B, and C. Thermocouples and a data logger were used to collect the temperature readings of inlet, test section and outlet air. Performance of the system is determined based on its capability to reduce temperature of the inlet air. The research has shown that a multi water droplets evaporative cooling system is capable of reducing temperature. The findings of this study showed that the highest average temperature difference between air inlet and air outlet in Experiment 1 to be 0.74°C and 1.06°C in Experiment 2. Besides that, Configuration B as the most suitable configuration among all three configuration tested.

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