Performance Analysis Of Car Air Conditioning System Under Scheduled Maintenance

Mat Saidi, Muhamad Ali Aqil (2018) Performance Analysis Of Car Air Conditioning System Under Scheduled Maintenance. Project Report. Universiti Teknikal Malaysia Melaka, Melaka, Malaysia. (Submitted)

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Abstract

Automotive air-conditioning system has been a major concern in servicing issues to keep the quality of air and give a comfortable to the passengers.A variety of tools have been developed which include the experimental studies to tackle the problem.The aim of this project is to investigate the scheduled and unscheduled maintenance performance of the car air conditioning system by using the design of experiments (DOE) method in the static instability of a car leading to their performance.A present methodology is introduced whereby a 3M Series Environmental Monitor is carried out to monitor the temperature and dust level within the air conditioner in the AC system of Proton Wira.The study of the ambient indoor temperature is investigated in to predict the right pressure inside the system since the different surrounding temperature have an affect towards the performance of the car air conditioning system.An experimental investigation using a thermometer is also carried out to measure the panel register airflow temperature which leads to a validation of the results. Measurements for the present experimental investigation were set for the period of 16 minute.Parametric settings on the changing the expansion valve, receiver drier and cleaning the evaporator coil fins effect determine the performance of each of these factors to air conditioning system.The results of the temperature, pressure and the dust level inside car cabin area are extracted from the experimental work and show a significant decrease.The approach then can be used as a reference to evaluate AC performance for most type of vehicle.

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