How Do You Convert Cylinder Pressure into Piston Force?

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SUMMARY

The discussion focuses on calculating the load on a piston given a peak cylinder pressure of 175 bar. To determine the force in Newtons, one must first convert the pressure from bar to Pascals (Pa) and know the cross-sectional area of the piston. The relationship between pressure, area, and force is defined by the formula: Force = Pressure × Area. Assuming uniform pressure across the piston simplifies the calculation.

PREREQUISITES
  • Understanding of pressure units, specifically the conversion from bar to Pascals.
  • Knowledge of the formula relating pressure, area, and force.
  • Familiarity with basic physics concepts regarding force and pressure.
  • Ability to calculate the area of a circular piston if given the diameter.
NEXT STEPS
  • Research the conversion factors between bar and Pascal for accurate calculations.
  • Study the formula for calculating force from pressure and area in fluid mechanics.
  • Learn how to calculate the area of a circle, particularly for piston cross-sections.
  • Explore examples of piston force calculations in engineering applications.
USEFUL FOR

Engineers, mechanical designers, and students studying fluid mechanics or thermodynamics who need to understand piston dynamics and force calculations.

d4v1dtyler
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Hi,

If I know that the peak cylinder pressure is 175 bar, how do I calculate the load (in Newtons) on the piston?

Cheers,

Dave
 
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Hi d4v1dtyler! http://img96.imageshack.us/img96/5725/red5e5etimes5e5e45e5e25.gif

If I know that the peak cylinder pressure is 175 bar, how do I calculate the load (in Newtons) on the piston?
Do you know the area of the end of the piston?
 
Last edited by a moderator:
Do you know the conversion between bar and Pa? That is the first thing you need to find out. Then you need the relation between pressure, area, and force. Assume that pressure is uniform over the piston, integrate, and you have the force.
 

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