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Search by tag : pressure definition, pressure scales, absolute pressure, gauge pressure, pressure detectors


Pressure Measurement
Written by Administrator   
Wednesday, 23 July 2008
Article Index
Pressure Measurement
Pressure Scales
Pressure Detectors


In this post I’ll be discussing the various methods to measure flow .This is how we will go about things

  • What is pressure  ?

  • Pressure Scales

  • Pressure Detectors

What is Pressure ?
I'm sure all of you have played with balloons as we were kids.Ever wondered what makes your balloon grow big. Yes its offcourse the air you blow in .This air which you blow in pushes the walls of the baloon thereby inflating them.Simply to say pressure is a kind of force that acts on a body this force is called pressure .

General Theory
Pressure is probably one of the most commonly measured variables in the power plant. It includes the measurement of steam pressure; feed water pressure, condenser pressure, lubricating oil pressure and many more.Pressure is actually the measurement of force acting on area of surface.

We could represent this as:

P=F/A

Pressure Force- F
Area-A


The units of measurement are either in pounds per square inch (PSI) in British units or Pascals (Pa) in metric. As one PSI is approximately 7000 Pa, we often use kPa and MPa as units of pressure.



 
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