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Fluid Mechanics for Power Generation P M V Subbarao Associate Professor Mechanical Engineering Department IIT Delhi An Essential Science for All Thermal Processes !!!!!
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The Aelopile : Generation of Mechanical Motion   ,[object Object],[object Object],[object Object],[object Object],[object Object]
Truths of Modern Life Using the steam/Gas to make the Electric Power ! Rotating the shaft(Rotor) is the ultimate goal of any power plant !!! How do you get mechanical power from Live-steam or Gas?  “ How to get  super energized (Live) steam/Gas ? “ How do u generate life in live-steam ? A science of Fluid Power is basis for all current and future power generation technologies.   This Science of Fluid Power is called Fluid Mechanics.
Philosophy of Fluid Power ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Further Applications of Fluid Mechanics ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Fluid Mechanics P M V SUBBARAO Associate Professor Mechanical Engineering Department IIT Delhi A Science, which devalued the importance of time !!!!
Time : A Pseudo Scientific Firm Concept  ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
 
Energy and Power ,[object Object],[object Object],[object Object],[object Object]
 
 
 
 
V 1 V 2 V 1 V 1 V 2 V 2 Newton’s Second Law for Flow Device
Newton’s Second Law for Flow Device Newton’s Force: All quantities are invariant in time. Vary in spacial direction only…. Still it is possible to accomplish Power Generation…. More Advanced systems are more invariant with time….
Stage of A  Turbine
Sequence of Energy Transactions Steam Thermal Power Steam kinetic Power Blade kinetic Power Nozzle Losses Moving Blade Losses Stage Losses Isentropic efficiency of Nozzle  Blade Friction Factor
Fluid Dynamics of Coal Preparation & Supply BY P M V Subbarao Associate Professor Mechanical Engineering Department I I T Delhi Aerodynamics a means of Transportation ……
Major Components of Coal Fired Steam Generator
Schematic of typical coal pulverized system A Inlet Duct;  B Bowl Orifice; C Grinding Mill; D  Transfer Duct to Exhauster;  E  Fan Exit Duct.
Velocity through various regions of the mill during steady operation
Cyclone-type classifier. Axial and radial gas velocity components
Centrifugal Classifiers ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Particle Size Distribution--Pulverized-Coal Classifiers ,[object Object],[object Object],[object Object],[object Object]
Mill Pressure Drop ,[object Object],[object Object],Correlation of pressure loss coefficient with Reynolds number through the mill section of an exhauster-type mill.
Fundamentals of Fluid Mechanics
Introduction ,[object Object],[object Object],[object Object],[object Object],[object Object]
 
 

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Fluid Mechanics for Power Generation

  • 1. Fluid Mechanics for Power Generation P M V Subbarao Associate Professor Mechanical Engineering Department IIT Delhi An Essential Science for All Thermal Processes !!!!!
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  • 4. Truths of Modern Life Using the steam/Gas to make the Electric Power ! Rotating the shaft(Rotor) is the ultimate goal of any power plant !!! How do you get mechanical power from Live-steam or Gas? “ How to get super energized (Live) steam/Gas ? “ How do u generate life in live-steam ? A science of Fluid Power is basis for all current and future power generation technologies. This Science of Fluid Power is called Fluid Mechanics.
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  • 7. Fluid Mechanics P M V SUBBARAO Associate Professor Mechanical Engineering Department IIT Delhi A Science, which devalued the importance of time !!!!
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  • 15. V 1 V 2 V 1 V 1 V 2 V 2 Newton’s Second Law for Flow Device
  • 16. Newton’s Second Law for Flow Device Newton’s Force: All quantities are invariant in time. Vary in spacial direction only…. Still it is possible to accomplish Power Generation…. More Advanced systems are more invariant with time….
  • 17. Stage of A Turbine
  • 18. Sequence of Energy Transactions Steam Thermal Power Steam kinetic Power Blade kinetic Power Nozzle Losses Moving Blade Losses Stage Losses Isentropic efficiency of Nozzle Blade Friction Factor
  • 19. Fluid Dynamics of Coal Preparation & Supply BY P M V Subbarao Associate Professor Mechanical Engineering Department I I T Delhi Aerodynamics a means of Transportation ……
  • 20. Major Components of Coal Fired Steam Generator
  • 21. Schematic of typical coal pulverized system A Inlet Duct; B Bowl Orifice; C Grinding Mill; D Transfer Duct to Exhauster; E Fan Exit Duct.
  • 22. Velocity through various regions of the mill during steady operation
  • 23. Cyclone-type classifier. Axial and radial gas velocity components
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