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Wohl parameter a is an empirical parameter characteristic to equation obtained from Wohl model of real gas. Check FAQs
a=6(PrgPr)(TrgTr)((V'mV'r)2)
a - Wohl Parameter a?Prg - Pressure of Gas?Pr - Reduced Pressure?Trg - Temperature of Real Gas?Tr - Reduced Temperature?V'm - Molar Volume of Real Gas?V'r - Reduced Molar Volume for P-R Method?

Wohl Parameter (a) of Real Gas using Actual and Reduced Parameters Example

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Here is how the Wohl Parameter (a) of Real Gas using Actual and Reduced Parameters equation looks like with Values.

Here is how the Wohl Parameter (a) of Real Gas using Actual and Reduced Parameters equation looks like with Units.

Here is how the Wohl Parameter (a) of Real Gas using Actual and Reduced Parameters equation looks like.

42.8825Edit=6(10132Edit0.0024Edit)(300Edit1.46Edit)((0.0224Edit246.78Edit)2)
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Wohl Parameter (a) of Real Gas using Actual and Reduced Parameters Solution

Follow our step by step solution on how to calculate Wohl Parameter (a) of Real Gas using Actual and Reduced Parameters?

FIRST Step Consider the formula
a=6(PrgPr)(TrgTr)((V'mV'r)2)
Next Step Substitute values of Variables
a=6(10132Pa0.0024)(300K1.46)((0.0224246.78)2)
Next Step Prepare to Evaluate
a=6(101320.0024)(3001.46)((0.0224246.78)2)
Next Step Evaluate
a=42.8824614241601
LAST Step Rounding Answer
a=42.8825

Wohl Parameter (a) of Real Gas using Actual and Reduced Parameters Formula Elements

Variables
Wohl Parameter a
Wohl parameter a is an empirical parameter characteristic to equation obtained from Wohl model of real gas.
Symbol: a
Measurement: NAUnit: Unitless
Note: Value can be positive or negative.
Pressure of Gas
Pressure of Gas is the force applied perpendicular to the surface of an object per unit area over which that force is distributed.
Symbol: Prg
Measurement: PressureUnit: Pa
Note: Value can be positive or negative.
Reduced Pressure
Reduced Pressure is the ratio of the actual pressure of the fluid to its critical pressure. It is dimensionless.
Symbol: Pr
Measurement: NAUnit: Unitless
Note: Value should be between 0 to 1.
Temperature of Real Gas
Temperature of Real Gas is the degree or intensity of heat present in a substance or object.
Symbol: Trg
Measurement: TemperatureUnit: K
Note: Value can be positive or negative.
Reduced Temperature
Reduced Temperature is the ratio of the actual temperature of the fluid to its critical temperature. It is dimensionless.
Symbol: Tr
Measurement: NAUnit: Unitless
Note: Value should be greater than 0.
Molar Volume of Real Gas
Molar Volume of Real Gas or Molar gas volume is one mole of any gas at a specific temperature and pressure has a fixed volume.
Symbol: V'm
Measurement: VolumeUnit:
Note: Value can be positive or negative.
Reduced Molar Volume for P-R Method
Reduced Molar Volume for P-R Method of a fluid is computed from the ideal gas law at the substance's critical pressure and temperature per mole.
Symbol: V'r
Measurement: NAUnit: Unitless
Note: Value can be positive or negative.

Other Formulas to find Wohl Parameter a

​Go Wohl Parameter (a) of Real Gas using Wohl Equation
a=(([R]TrgV'm-b)+(c(Trg2)(V'm3))-Prg)(TrgV'm(V'm-b))
​Go Wohl Parameter (a) of Real Gas using Wohl Equation given Actual and Critical Parameters
a=(([R]((TrgT'c)T'c)((V'mV'c)V'c)-b)+(c(((TrgT'c)T'c)2)(((V'mV'c)V'c)3))-((PrgP,c)P,c))(((TrgT'c)T'c)((V'mV'c)V'c)(((V'mV'c)V'c)-b))

Other formulas in Wohl Parameter category

​Go Wohl Parameter (b) of Real Gas given Actual and Reduced Molar Volume
b=V'mV'r4
​Go Wohl Parameter (b) of Real Gas given Actual and Reduced Temperature and Pressure
b=[R](TrgTr)15(PrgPr)

How to Evaluate Wohl Parameter (a) of Real Gas using Actual and Reduced Parameters?

Wohl Parameter (a) of Real Gas using Actual and Reduced Parameters evaluator uses Wohl Parameter a = 6*(Pressure of Gas/Reduced Pressure)*(Temperature of Real Gas/Reduced Temperature)*((Molar Volume of Real Gas/Reduced Molar Volume for P-R Method)^2) to evaluate the Wohl Parameter a, The Wohl Parameter (a) of Real Gas using Actual and Reduced Parameters formula is defined as an empirical parameter characteristic to equation obtained from Wohl model of real gas. Wohl Parameter a is denoted by a symbol.

How to evaluate Wohl Parameter (a) of Real Gas using Actual and Reduced Parameters using this online evaluator? To use this online evaluator for Wohl Parameter (a) of Real Gas using Actual and Reduced Parameters, enter Pressure of Gas (Prg), Reduced Pressure (Pr), Temperature of Real Gas (Trg), Reduced Temperature (Tr), Molar Volume of Real Gas (V'm) & Reduced Molar Volume for P-R Method (V'r) and hit the calculate button.

FAQs on Wohl Parameter (a) of Real Gas using Actual and Reduced Parameters

What is the formula to find Wohl Parameter (a) of Real Gas using Actual and Reduced Parameters?
The formula of Wohl Parameter (a) of Real Gas using Actual and Reduced Parameters is expressed as Wohl Parameter a = 6*(Pressure of Gas/Reduced Pressure)*(Temperature of Real Gas/Reduced Temperature)*((Molar Volume of Real Gas/Reduced Molar Volume for P-R Method)^2). Here is an example- 12.15003 = 6*(10132/0.0024)*(300/1.46)*((0.0224/246.78)^2).
How to calculate Wohl Parameter (a) of Real Gas using Actual and Reduced Parameters?
With Pressure of Gas (Prg), Reduced Pressure (Pr), Temperature of Real Gas (Trg), Reduced Temperature (Tr), Molar Volume of Real Gas (V'm) & Reduced Molar Volume for P-R Method (V'r) we can find Wohl Parameter (a) of Real Gas using Actual and Reduced Parameters using the formula - Wohl Parameter a = 6*(Pressure of Gas/Reduced Pressure)*(Temperature of Real Gas/Reduced Temperature)*((Molar Volume of Real Gas/Reduced Molar Volume for P-R Method)^2).
What are the other ways to Calculate Wohl Parameter a?
Here are the different ways to Calculate Wohl Parameter a-
  • Wohl Parameter a=((([R]*Temperature of Real Gas)/(Molar Volume of Real Gas-Wohl Parameter b))+(Wohl Parameter c/((Temperature of Real Gas^2)*(Molar Volume of Real Gas^3)))-Pressure of Gas)*(Temperature of Real Gas*Molar Volume of Real Gas*(Molar Volume of Real Gas-Wohl Parameter b))OpenImg
  • Wohl Parameter a=((([R]*((Temperature of Real Gas/Critical Temperature of Real Gas)*Critical Temperature of Real Gas))/(((Molar Volume of Real Gas/Critical Molar Volume for Peng Robinson Model)*Critical Molar Volume for Peng Robinson Model)-Wohl Parameter b))+(Wohl Parameter c/((((Temperature of Real Gas/Critical Temperature of Real Gas)*Critical Temperature of Real Gas)^2)*(((Molar Volume of Real Gas/Critical Molar Volume for Peng Robinson Model)*Critical Molar Volume for Peng Robinson Model)^3)))-((Pressure of Gas/Critical Pressure for Peng Robinson Model)*Critical Pressure for Peng Robinson Model))*(((Temperature of Real Gas/Critical Temperature of Real Gas)*Critical Temperature of Real Gas)*((Molar Volume of Real Gas/Critical Molar Volume for Peng Robinson Model)*Critical Molar Volume for Peng Robinson Model)*(((Molar Volume of Real Gas/Critical Molar Volume for Peng Robinson Model)*Critical Molar Volume for Peng Robinson Model)-Wohl Parameter b))OpenImg
  • Wohl Parameter a=((([R]*(Reduced Temperature*(Temperature of Real Gas/Reduced Temperature)))/((Reduced Molar Volume for P-R Method*(Molar Volume of Real Gas/Reduced Molar Volume for P-R Method))-Wohl Parameter b))+(Wohl Parameter c/(((Reduced Temperature*(Temperature of Real Gas/Reduced Temperature))^2)*((Reduced Molar Volume for P-R Method*(Molar Volume of Real Gas/Reduced Molar Volume for P-R Method))^3)))-(Reduced Pressure*(Pressure of Gas/Reduced Pressure)))*((Reduced Temperature*(Temperature of Real Gas/Reduced Temperature))*(Reduced Molar Volume for P-R Method*(Molar Volume of Real Gas/Reduced Molar Volume for P-R Method))*((Reduced Molar Volume for P-R Method*(Molar Volume of Real Gas/Reduced Molar Volume for P-R Method))-Wohl Parameter b))OpenImg
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