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ME8071 REFRIGERATION AND AIR CONDITIONING Lecture Notes Download ME8071 REFRIGERATION AND AIR CONDITIONING Lecture Notes Download
Department  Mechanical
Year 4th Year
Semester 7th Semester
University Anna University
Regulation  R2017
Subject Code ME8071
Subject Name REFRIGERATION AND AIR CONDITIONING
Download File ME8071 REFRIGERATION AND AIR CONDITIONING Lecture Notes, Books, Important 2 Marks Question and Answers, 16 Mark Question with Answers, Syllabus & Question Bank

 

 

ME8071 REFRIGERATION AND AIR CONDITIONING Syllabus

UNIT I INTRODUCTION
Introduction to Refrigeration – Unit of Refrigeration and C.O.P.– Ideal cycles- Refrigerants Desirable properties – Classification – Nomenclature – ODP & GWP.

UNIT II VAPOUR COMPRESSION REFRIGERATION SYSTEM
Vapor compression cycle : p-h and T-s diagrams – deviations from theoretical cycle – subcooling and super heating- effects of condenser and evaporator pressure on COP- multipressure system – low temperature refrigeration – Cascade systems – problems. Equipments: Type of Compressors, Condensers, Expansion devices, Evaporators.

UNIT III OTHER REFRIGERATION SYSTEMS
Working principles of Vapour absorption systems and adsorption cooling systems – Steam jet refrigeration- Ejector refrigeration systems- Thermoelectric refrigeration- Air refrigeration – Magnetic – Vortex and Pulse tube refrigeration systems.

UNIT IV PSYCHROMETRIC PROPERTIES AND PROCESSES
Properties of moist Air-Gibbs Dalton law, Specific humidity, Dew point temperature, Degree of saturation, Relative humidity, Enthalpy, Humid specific heat, Wet bulb temperature Thermodynamic wet bulb temperature, Psychrometric chart; Psychrometric of air-conditioning processes, mixing of air streams.

UNIT V AIR CONDITIONING SYSTEMS AND LOAD ESTIMATION
Air conditioning loads: Outside and inside design conditions; Heat transfer through structure, Solar radiation, Electrical appliances, Infiltration and ventilation, internal heat load; Apparatus selection; fresh air load, human comfort & IAQ principles, effective temperature & chart, calculation of summer & winter air conditioning load; Classifications, Layout of plants; Air distribution system; Filters; Air Conditioning Systems with Controls: Temperature, Pressure and Humidity sensors, Actuators & Safety controls.

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ME8071 REFRIGERATION AND AIR CONDITIONING Lecture Notes Collection

ME8071 REFRIGERATION AND AIR CONDITIONING Notes ( UNIT 1 – UNIT 5) – Download

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