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Steam Engineering

By Amit Mandal

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Rs. 290

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Specifications of Steam Engineering

Book Details

  • ISBN 978-93-80311-49-4
  • English
  • 2019
  • Paper Back
  • -

Contents

  • Unit 1. Introduction: Objective, scope and outcome of the course.

    Unit 2. Steam generators: Classification of Boilers, water and fire tube boilers, High pressureboilers, Advantages of high pressure Boilers, Natural and forced circulation boilers,Water wall.Steam drum internal, steam super heaters, Economizers, air preheater, induced,forced and balanced draught boilers, Fluidized bed boilers.

    Unit 3. Definition and type of nozzle and diffuser equation of continuity, sonic velocity,mach no. and stagnation properties, the steady flow energy equation for nozzles,momentum energy equation for flow through steam nozzles nozzle efficiency, effectof friction, nozzle for uniform pressure drop, throat pressure for maximum dischargeor chock flow, critical pressure ratio, design of nozzle and diffuser.

    Unit 4. Steam Turbines: Principle and working of steam turbines, type of turbines,compounding for pressure and velocity. Overview and difference of various typeof turbine, different types of governing of turbines.Impulse turbine: The effect of blade friction on velocity diagram. Force, work andpower, Blade or diagram efficiency, Gross stage efficiency, steam speed to blade,speed ratio for optimum performance, turbine performance at various loads

    Unit 5. Impulse reaction turbine: Velocity diagram and work done, degree of reaction,Parson turbine, blade efficiency, gross stage efficiency comparison of enthalpy dropin various stages, size of blades in impulse reaction turbines for various stages ofimpulse reaction and impulse turbine.Regenerative Feed Heating Cycles: Introduction, Ideal regenerative feed heatingcycle, Regenerative heating cycles and their representation on T-s and h-s Diagram,Representation of actual process on T-s and h-s Diagram Regenerative cycles, typesof feed heating arrangements, Optimum feed water temperature and saving in Heat Rate. direct contact and surface heaters.

    Unit 6. Reheating of steam: Practical reheating and Non- reheating cycles, advantage anddisadvantages of reheating, reheat regenerative cycle, regenerative water extractioncycles.Process heat and by product power cycle, pass out turbine, Binary vapour cycle.Condensers.