Shivam Sinha
National Institute Of Technology (NIT), Surathkal
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Pragati Jaju
College Of Engineering (COEP), Pune
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6 Other formulas that you can solve using the same Inputs

Change in enthalpy (isentropic) when Compressor efficiency and actual change in enthalpy is given
Change in enthalpy (isentropic)=Compressor efficiency*Change in enthalpy GO
Compressor efficiency when actual and isentropic change in enthalpy is given
Compressor efficiency=Change in enthalpy (isentropic)/Change in enthalpy GO
Change in enthalpy when Turbine efficiency and actual change in enthalpy (isentropic) is given
Change in enthalpy=turbine efficiency*Change in enthalpy (isentropic) GO
Turbine efficiency when actual and isentropic change in enthalpy is given
turbine efficiency=Change in enthalpy/Change in enthalpy (isentropic) GO
Work done (isentropic condition) when Compressor efficiency and actual shaft work is given
Shaft work (Isentropic)=Compressor efficiency*Actual shaft work GO
Actual work done when Compressor efficiency and isentropic shaft work is given
Actual shaft work=Shaft work (Isentropic)/Compressor efficiency GO

4 Other formulas that calculate the same Output

Enthalpy for pumps when volume expansivity is given for a pump
Change in enthalpy=(Specific Heat Capacity*Overall difference in temperature)+(Volume*(1-(Volume expansivity*Temperature))*Difference in pressure) GO
Change in enthalpy when Turbine efficiency and actual change in enthalpy (isentropic) is given
Change in enthalpy=turbine efficiency*Change in enthalpy (isentropic) GO
Standard enthalpy of reaction when Gibbs free energy is given
Change in enthalpy=Gibbs Free Energy+(Temperature*Change in entropy) GO
Change in enthalpy in the turbine (expanders)
Change in enthalpy=Work done rate/Mass Flow Rate GO

Actual change in enthalpy when Compressor efficiency and change in enthalpy (isentropic) is given Formula

Change in enthalpy=Change in enthalpy (isentropic)/Compressor efficiency
ΔH=ΔH<sub>S</sub>/ η<sub>c</sub>
More formulas
Overall Efficiency GO
Nozzle Efficiency GO
Shaft power GO
Work done rate by a turbine (expanders) GO
Change in enthalpy in the turbine (expanders) GO
Mass flow rate of a stream in the turbine (expanders) GO
Turbine efficiency when actual and shaft work (isentropic) is given GO
Compressor efficiency when actual and shaft work (isentropic) is given GO
Actual work done when Turbine efficiency and isentropic shaft work is given GO
Work done (isentropic condition) when Turbine efficiency and actual shaft work is given GO
Actual work done when Compressor efficiency and isentropic shaft work is given GO
Work done (isentropic condition) when Compressor efficiency and actual shaft work is given GO
Work done rate (isentropic condition) for adiabatic compression process when Cp is given GO
Work done rate (isentropic condition) for adiabatic compression process when γ is given GO
Enthalpy for pumps when volume expansivity is given for a pump GO
Entropy for pumps when volume expansivity is given for a pump GO
Volume expansivity for pumps when enthalpy is given GO
Volume expansivity for pumps when entropy is given GO
change in enthalpy (isentropic) when Turbine efficiency and actual change in enthalpy is given GO
Change in enthalpy when Turbine efficiency and actual change in enthalpy (isentropic) is given GO
Compressor efficiency when actual and isentropic change in enthalpy is given GO
Change in enthalpy (isentropic) when Compressor efficiency and actual change in enthalpy is given GO

Working of compressor

The compression of gases may be accomplished in equipment with rotating blades (like a turbine operating in reverse) or in cylinders with reciprocating pistons. Rotary equipment is used for high-volume flow where the discharge pressure is not too high. For high pressures, reciprocating compressors are often required. The energy equations are independent of the type of equipment; indeed, they are the same as for turbines or expanders because here, too, potential and kinetic-energy changes are presumed negligible.

How to Calculate Actual change in enthalpy when Compressor efficiency and change in enthalpy (isentropic) is given?

Actual change in enthalpy when Compressor efficiency and change in enthalpy (isentropic) is given calculator uses Change in enthalpy=Change in enthalpy (isentropic)/Compressor efficiency to calculate the Change in enthalpy, The Actual change in enthalpy when Compressor efficiency and change in enthalpy (isentropic) is given formula is defined as the ratio of the change in enthalpy done by the compressor under reversible and adiabatic conditions (which is isentropic condition) to the compressor efficiency. Change in enthalpy and is denoted by ΔH symbol.

How to calculate Actual change in enthalpy when Compressor efficiency and change in enthalpy (isentropic) is given using this online calculator? To use this online calculator for Actual change in enthalpy when Compressor efficiency and change in enthalpy (isentropic) is given, enter Change in enthalpy (isentropic) (ΔHS) and Compressor efficiency ( ηc) and hit the calculate button. Here is how the Actual change in enthalpy when Compressor efficiency and change in enthalpy (isentropic) is given calculation can be explained with given input values -> 400 = 200/0.5.

FAQ

What is Actual change in enthalpy when Compressor efficiency and change in enthalpy (isentropic) is given?
The Actual change in enthalpy when Compressor efficiency and change in enthalpy (isentropic) is given formula is defined as the ratio of the change in enthalpy done by the compressor under reversible and adiabatic conditions (which is isentropic condition) to the compressor efficiency and is represented as ΔH=ΔHS/ ηc or Change in enthalpy=Change in enthalpy (isentropic)/Compressor efficiency. Change in enthalpy (isentropic) is the thermodynamic quantity equivalent to the total difference between the heat content of a system under reversible and adiabatic conditions and Compressor efficiency shows how efficient the compressor is in the process.
How to calculate Actual change in enthalpy when Compressor efficiency and change in enthalpy (isentropic) is given?
The Actual change in enthalpy when Compressor efficiency and change in enthalpy (isentropic) is given formula is defined as the ratio of the change in enthalpy done by the compressor under reversible and adiabatic conditions (which is isentropic condition) to the compressor efficiency is calculated using Change in enthalpy=Change in enthalpy (isentropic)/Compressor efficiency. To calculate Actual change in enthalpy when Compressor efficiency and change in enthalpy (isentropic) is given, you need Change in enthalpy (isentropic) (ΔHS) and Compressor efficiency ( ηc). With our tool, you need to enter the respective value for Change in enthalpy (isentropic) and Compressor efficiency and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.
How many ways are there to calculate Change in enthalpy?
In this formula, Change in enthalpy uses Change in enthalpy (isentropic) and Compressor efficiency. We can use 4 other way(s) to calculate the same, which is/are as follows -
  • Change in enthalpy=Work done rate/Mass Flow Rate
  • Change in enthalpy=(Specific Heat Capacity*Overall difference in temperature)+(Volume*(1-(Volume expansivity*Temperature))*Difference in pressure)
  • Change in enthalpy=turbine efficiency*Change in enthalpy (isentropic)
  • Change in enthalpy=Gibbs Free Energy+(Temperature*Change in entropy)
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