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

Overall Efficiency
overall efficiency =boiler efficiency*cycle efficiency*turbine efficiency*generator efficiency*auxiliary efficiency GO
Actual change in enthalpy when Compressor efficiency and change in enthalpy (isentropic) is given
Change in enthalpy=Change in enthalpy (isentropic)/Compressor efficiency 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 (isentropic) when Turbine efficiency and actual change in enthalpy is given
Change in enthalpy (isentropic)=Change in enthalpy/turbine efficiency 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 Turbine efficiency and actual shaft work is given
Shaft work (Isentropic)=Actual shaft work/turbine efficiency GO

3 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
Actual change in enthalpy when Compressor efficiency and change in enthalpy (isentropic) is given
Change in enthalpy=Change in enthalpy (isentropic)/Compressor efficiency GO
Change in enthalpy in the turbine (expanders)
Change in enthalpy=Work done rate/Mass Flow Rate GO

Change in enthalpy when Turbine efficiency and actual change in enthalpy (isentropic) is given Formula

Change in enthalpy=turbine efficiency*Change in enthalpy (isentropic)
ΔH=TE*ΔH<sub>S</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
Compressor efficiency when actual and isentropic change in enthalpy is given GO
Actual change in enthalpy when Compressor efficiency and change in enthalpy (isentropic) is given GO
Change in enthalpy (isentropic) when Compressor efficiency and actual change in enthalpy is given GO

Working of turbine (expanders)

The expansion of a gas in a nozzle to produce a high-velocity stream is a process that converts internal energy into kinetic energy, which in turn is converted into shaft work when the stream impinges on blades attached to a rotating shaft. Thus a turbine (or expander) consists of alternate sets of nozzles and rotating blades through which vapor or gas flows in a steady-state expansion process. The overall result is the conversion of the internal energy of a high-pressure stream into shaft work. When steam provides the motive force as in most power plants, the device is called a turbine; when it is a high-pressure gas, such as ammonia or ethylene in a chemical plant, the device is usually called an expander.

How to Calculate Change in enthalpy when Turbine efficiency and actual change in enthalpy (isentropic) is given?

Change in enthalpy when Turbine efficiency and actual change in enthalpy (isentropic) is given calculator uses Change in enthalpy=turbine efficiency*Change in enthalpy (isentropic) to calculate the Change in enthalpy, The Change in enthalpy when Turbine efficiency and actual change in enthalpy (isentropic) is given formula is defined as the product of turbine efficiency and the change in enthalpy done by the turbine under reversible and adiabatic conditions (which is isentropic condition). Change in enthalpy and is denoted by ΔH symbol.

How to calculate Change in enthalpy when Turbine efficiency and actual change in enthalpy (isentropic) is given using this online calculator? To use this online calculator for Change in enthalpy when Turbine efficiency and actual change in enthalpy (isentropic) is given, enter turbine efficiency (TE) and Change in enthalpy (isentropic) (ΔHS) and hit the calculate button. Here is how the Change in enthalpy when Turbine efficiency and actual change in enthalpy (isentropic) is given calculation can be explained with given input values -> 100 = 0.5*200.

FAQ

What is Change in enthalpy when Turbine efficiency and actual change in enthalpy (isentropic) is given?
The Change in enthalpy when Turbine efficiency and actual change in enthalpy (isentropic) is given formula is defined as the product of turbine efficiency and the change in enthalpy done by the turbine under reversible and adiabatic conditions (which is isentropic condition) and is represented as ΔH=TE*ΔHS or Change in enthalpy=turbine efficiency*Change in enthalpy (isentropic). turbine efficiency shows how efficient the turbine is in the process and 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.
How to calculate Change in enthalpy when Turbine efficiency and actual change in enthalpy (isentropic) is given?
The Change in enthalpy when Turbine efficiency and actual change in enthalpy (isentropic) is given formula is defined as the product of turbine efficiency and the change in enthalpy done by the turbine under reversible and adiabatic conditions (which is isentropic condition) is calculated using Change in enthalpy=turbine efficiency*Change in enthalpy (isentropic). To calculate Change in enthalpy when Turbine efficiency and actual change in enthalpy (isentropic) is given, you need turbine efficiency (TE) and Change in enthalpy (isentropic) (ΔHS). With our tool, you need to enter the respective value for turbine efficiency and Change in enthalpy (isentropic) 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 turbine efficiency and Change in enthalpy (isentropic). We can use 3 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=Change in enthalpy (isentropic)/Compressor efficiency
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