Isentropic Pressure at Point 1 Formula

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The Isentropic Pressure at point 1 is the pressure when the thermodynamic system is both adiabatic and reversible. Check FAQs
P1 isentropic=P2(ν1ν2)κ
P1 isentropic - Isentropic Pressure at point 1?P2 - Pressure 2?ν1 - Specific Volume at Point 1?ν2 - Specific Volume at Point 2?κ - Specific Heat Ratio Dynamic?

Isentropic Pressure at Point 1 Example

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With units
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Here is how the Isentropic Pressure at Point 1 equation looks like with Values.

Here is how the Isentropic Pressure at Point 1 equation looks like with Units.

Here is how the Isentropic Pressure at Point 1 equation looks like.

59058.5943Edit=5.2Edit(0.001Edit0.816Edit)1.3928Edit
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Isentropic Pressure at Point 1 Solution

Follow our step by step solution on how to calculate Isentropic Pressure at Point 1?

FIRST Step Consider the formula
P1 isentropic=P2(ν1ν2)κ
Next Step Substitute values of Variables
P1 isentropic=5.2Bar(0.001m³/kg0.816m³/kg)1.3928
Next Step Convert Units
P1 isentropic=520000Pa(0.001m³/kg0.816m³/kg)1.3928
Next Step Prepare to Evaluate
P1 isentropic=520000(0.0010.816)1.3928
Next Step Evaluate
P1 isentropic=5905859429.89913Pa
Next Step Convert to Output's Unit
P1 isentropic=59058.5942989913Bar
LAST Step Rounding Answer
P1 isentropic=59058.5943Bar

Isentropic Pressure at Point 1 Formula Elements

Variables
Isentropic Pressure at point 1
The Isentropic Pressure at point 1 is the pressure when the thermodynamic system is both adiabatic and reversible.
Symbol: P1 isentropic
Measurement: PressureUnit: Bar
Note: Value should be greater than 0.
Pressure 2
Pressure 2 is the pressure at give point 2.
Symbol: P2
Measurement: PressureUnit: Bar
Note: Value can be positive or negative.
Specific Volume at Point 1
Specific Volume at Point 1 is the number of cubic meters occupied by one kilogram of matter. It is the ratio of a material's volume to its mass.
Symbol: ν1
Measurement: Specific VolumeUnit: m³/kg
Note: Value should be greater than 0.
Specific Volume at Point 2
Specific Volume at Point 2 is the number of cubic meters occupied by one kilogram of matter. It is the ratio of a material's volume to its mass.
Symbol: ν2
Measurement: Specific VolumeUnit: m³/kg
Note: Value should be greater than 0.
Specific Heat Ratio Dynamic
The Specific Heat Ratio Dynamic is the ratio of the heat capacity at constant pressure to heat capacity at constant volume.
Symbol: κ
Measurement: NAUnit: Unitless
Note: Value should be greater than 1.

Other formulas in Isentropic Process category

​Go Isentropic Pressure at Point 2
P2 isentropic=P1(ν1ν2)κ
​Go Isentropic Temperature 1 given Pressure Ratio
T1 pressure ratio=T2(P2P1)κ-1κ
​Go Isentropic Temperature 1 given Specific Volume
T1 specific volume=T2(ν1ν2)κ-1
​Go Isentropic Temperature 2 given Pressure Ratio
T2 pressure ratio=T1(P2P1)κ-1κ

How to Evaluate Isentropic Pressure at Point 1?

Isentropic Pressure at Point 1 evaluator uses Isentropic Pressure at point 1 = Pressure 2/(Specific Volume at Point 1/Specific Volume at Point 2)^Specific Heat Ratio Dynamic to evaluate the Isentropic Pressure at point 1, The Isentropic Pressure at point 1 is the pressure when the thermodynamic system is both adiabatic and reversible. Isentropic Pressure at point 1 is denoted by P1 isentropic symbol.

How to evaluate Isentropic Pressure at Point 1 using this online evaluator? To use this online evaluator for Isentropic Pressure at Point 1, enter Pressure 2 (P2), Specific Volume at Point 1 1), Specific Volume at Point 2 2) & Specific Heat Ratio Dynamic (κ) and hit the calculate button.

FAQs on Isentropic Pressure at Point 1

What is the formula to find Isentropic Pressure at Point 1?
The formula of Isentropic Pressure at Point 1 is expressed as Isentropic Pressure at point 1 = Pressure 2/(Specific Volume at Point 1/Specific Volume at Point 2)^Specific Heat Ratio Dynamic. Here is an example- 0.590586 = 520000/(0.001/0.816)^1.392758.
How to calculate Isentropic Pressure at Point 1?
With Pressure 2 (P2), Specific Volume at Point 1 1), Specific Volume at Point 2 2) & Specific Heat Ratio Dynamic (κ) we can find Isentropic Pressure at Point 1 using the formula - Isentropic Pressure at point 1 = Pressure 2/(Specific Volume at Point 1/Specific Volume at Point 2)^Specific Heat Ratio Dynamic.
Can the Isentropic Pressure at Point 1 be negative?
No, the Isentropic Pressure at Point 1, measured in Pressure cannot be negative.
Which unit is used to measure Isentropic Pressure at Point 1?
Isentropic Pressure at Point 1 is usually measured using the Bar[Bar] for Pressure. Pascal[Bar], Kilopascal[Bar], Pound Per Square Inch[Bar] are the few other units in which Isentropic Pressure at Point 1 can be measured.
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