Sunday 22 January 2012

Fluid Power

Fluid Power
Fluid power is a technology that deals with the generation,control,and transmission of power using pressurized fluids.
Fluid power includes hydraulics and pneumatics.
Hydraulics->Which involves liquid.
Pneumatics->Which involves gases.
Basic Laws Of Fluid Power

  1. Pascal's Law
    Pascal's Law states that when a pressure exerted on a confined fluid,pressure is transmitted in all directions equal force in equal area.
  2. Bernaulli's Law
    For a perfect in-compressible liquid,flow along a stream line,the total energy of particle same while the particle moves from one point to another point.
Application Of Fluid Power
  1. Operation and control of machine tools
  2. Farm machining
  3. Construction machining
  4. Mining machining
  5. Locomotives
  6. Ships
  7. Airplanes
  8. Space craft operations
  9. Working of hydraulic shaper,hydraulic lifts,hydraulic jack,hydraulic ram,hydraulic crain,hydraulic press
Advantages Of Fluid Power
  1. High pressure can be operated
  2. Transmission of motion is less noisy
  3. Vibration and shock load can be reduced
  4. Maintenance is simple and less costy
  5. It is cheaper than pneumatic system and mechanical system.
  6. The parts of the machine can be automatically lubricated by the liquid itself
  7. It does not require complicated mechanisms involving link motions by gears,rack and pinion,etc.
  8. Accurate speeds are possible.
  9. No explosion of fire and wear and tear.
Power Of Hydraulic Fluids
  1. Power transmission
  2. Lubrication
  3. Cooling  

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