b.tech. ceramic technology - Technicalsymposium

UNIT V A.C. DRIVES 9Principle of operation of 3 phase induction motor – equivalent circuit – Slip – torquecharacteristic – starting methods: star – Delta starter, Auto transformer starter, Rotorresistance starter, Speed control: Stator voltage control, frequency control, rotor resistancecontrol, slip-power recovery scheme. Inverter fed 3-phase induction motor drive: v/f control,Rotor resistance control, slip-power recovery controls.TOTAL: 45 PERIODSTEXT BOOKS1. G.K. Dubey, Power Semi Conductor Controller Drives. Prentice Hall of India 1989.2. S.K.Pillai, A First Course on Electrical Drives. Wiley Eastern Ltd., 1993.REFERENCES1. P.C. Sen – Principles of Electric Machines and Power Electronics. John – Willey andSons – 1997.2. S.K. Bhattacharya and Brijinder Singh, Control of Electrical Machines, New AgeInternational Publishers.CH9204 BASIC MECHANICAL ENGINEERING L T P C3 0 0 3AIMTo impart knowledge on thermodynamics and thermal engineering power generating unitssuch as engines and theory of machinesOBJECTIVE Students should learn thermodynamics and thermal engineering to understand theprinciples behind the operation of thermal equipments like IC engines and turbines etc.,Students should be able to appreciate the theory behind operation of machinery and beable to design simple mechanismsUNIT I LAWS OF THERMODYNAMICS 10Basic concepts and hints; Zeroth law; First Law of Thermodynamics - Statement andapplication; Steady flow energy equation-problems- Second law of Thermodynamics –Kelvin - Plank statement and Clausius statement- problems; Limitations; Heat Engine,Refrigerator and Heat Pump, Available energy, Equivalence entropy; Reversibility: Entropycharts; Third law of Thermodynamics - Statement.UNIT II HEATING AND EXPANSION OF GASES 6Expressions for work done, Internal energy and heat transfer for Constant Pressure,Constant Volume, Isothermal, Adiabatic and Polytropic processes-Derivations and problems;Free expansion and Throttling process.UNIT III AIR STANDARD CYCLES 6Carnot cycle; Stirlings cycle; Joule cycle; Otto cycle; Diesel cycle; Dual combustion Cycle-Derivations and problems.UNIT IV I.C. ENGINES, STEAM AND ITS PROPERTIES AND STEAMTURBINES12Engine nomenclature and classification; SI Engine; CI Engine; Four Stroke cycle, Two strokecycle; Performance of I.C.Engine; Brake thermal efficiency; Indicated Thermal Efficiency,Specific fuel consumption.Steam - Properties of steam; Dryness fraction; latent heat; Total heat of wet steam; Drysteam; Superheated steam. Use of steam tables; volume of wet steam, volume ofsuperheated steam; External work of evaporation; Internal energy; Entropy of vapour,Expansion of vapour, Rankine cycle.Steam turbines – Impulse and Reaction types - Principles of operation.9