TECO JNTHBCBA0001BEAU - Appendix; The definition of Pressure

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Appendix
The definition of Pressure:
A
F
P = or
dA
dF
P =
Where:
p is the pressure,
F is the normal force,
A is the area.
Non-SI measures such as pound per square inch (psi) and bar are used in parts of the
world Conversion between
2
/CmKg
and P.S.I are list as below formula:
1
2
/CmKg = 14.22 P.S.I or 1P.S.I = 0.07
2
/CmKg
1 Bar = 1 00 kPa = 1.02
2
/CmKg = 14.5 P.S.I
Conversion of the Pressure unit
MPa KPa Bar Kg/cm
2
P.S.I atm mHg
1 1000 10 10.2 145 9.87 7.5
0.001 1 0.01 0.011 0.145 9.87x10
-3
7.5x10
-1
0.1 100 1 1.02 14.5 0.987 0.75
0.09807 98.07 0.981 1 14.22 0.968 0.736
0.00689 6.89 0.069 0.07 1 0.068 0.052
0.101 1.01x10
2
1.013 1.033 14.7 1 0.76
0.133 1.33x10
2
1.33 1.36 19.3 1.32 1