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Investigation of air conditioning temperature variation by modifying the structure of passenger car using computational fluid dynamics

Krishnaswamy Haribabu (Department of Mechanical Engineering, SCAD College of Engienering and Techonology, Cheranmahadevi, Tirunelveli, Tamil Nadu, India)
Muthukrishnan Sivaprakash (Department of Mechanical Engineering, Stella Marys College of Engienering, Aruthenganvilai, Kanyakumari, Tamil Nadu, India)
Thanikodi Sathish (Department of Mechanical Engineering, SMR East Coast College of Engineering and Technology, Somanathapattinam, Thanjavur, Tamil Nadu, India)
Arockiaraj Godwin Antony (Department of Mechanical Engineering, K. Ramakarishnan College of Technology, Tamil Nadu, India)
Venkatraman Vijayan (Department of Mechanical Engineering, K. Ramakarishnan College of Technology, Tamil Nadu, India)

Air conditioning system is used for various application, in passenger car it gives comfort to the passenger. Now a days huge advancement have been included in the air conditioning system, especially automatic air conditioning system plays a vital role in passenger car. These air conditioning systems are performing well and have the capability of maintaining the temperature for long time with energy consumption. However, in some vehicle the performance of these air conditioning system is not achieved, while some vehicle achieved better performance. In later study it is found that, the structure of vehicle body also influence the performance of air conditioning system. In some structure the air conditioning air-flow a long distance in short time and have the capability to enhance the air conditioning performance. It is also found that the air conditioning performance can be improved by the structure of vehicle body. In this paper, we considered an Indian small budget car. The structure of the car is slightly modified and replaced the position of the air conditioning outlet. Then the residual temperature inside the car is analyzed with and without air conditioning. Here the CFD is used to analysis the temperature inside car at various position.

Keywords: air conditioning system, temperature analysis, CFD, passenger car air conditioning system