Refrigeration and Air-Conditioning

Pre-requisite: ME 461

Fundamentals of vapour compression refrigeration, analysis of refrigeration cycles and equipment. Refrigerants and their properties. Absorption refrigeration systems. Low temperature refrigeration. Refrigeration Applications, Elements and Design of Refrigeration systems. Reverse application of refrigeration – heat pumps. Steady state and transient cooling load calculations.

Principles of air-conditioning with emphasis on thermodynamic processes involving air, water, vapour mixtures. Production of atmospheric and thermal environments for human activity. Heat sources and climatic considerations. Comfort and physiological aspects. psychrometry and psychrometric processes. Evaluation of cooling and heating loads. Methods of reducing cooling loads. Air-conditioning systems and equipment. Ducts and fans. Chilled water and condenser water piping. Steam piping and heating systems. Air-conditioning controls. Ventilation and air-conditioning systems.