An Approach to Development of Air Leakage Test Rig for Air Handling Units Housing

ABSTARCT: Flow measurement plays vital role in Air conditioning leak detection to measure leakages of conditioned air in a airconditioning system of the building. It is costlier process to convert properties of air into making of desired atmosphere of the building. The leakage of conditioned air is cause of loss of money. In this stems the need for accurate, economical measurement for leakages is essential to control the quality and quantity of air properties. Orifice metering is the popular and economical procedure used in satisfies most flow measurement applications and is the most common flow meter in use now a day. In this paper an orifice meter test rig developed, tested and calibrated for measurement of leakages in Air handling units of air management system for a building. Results of testing orifice plate recorded with precise instruments to find out significance of using orifice plate for air flow leakage measurement from Air handling units housing.