Shivam Sinha
National Institute Of Technology (NIT), Surathkal
Shivam Sinha has created this Calculator and 200+ more calculators!
Akshada Kulkarni
National Institute of Information Technology (NIIT), Neemrana
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7 Other formulas that you can solve using the same Inputs

Distance between two consequent tubes in a transverse fin heat exchanger
Distance between two consequent tubes=Mass Flow Rate/(Mass flux*Number of tubes*Length) GO
Number of tubes in a transverse fin heat exchanger
Number of tubes=Mass Flow Rate/(Mass flux*Distance between two consequent tubes*Height) GO
Mass flux given mass flowrate
Mass flux=Mass Flow Rate/(Number of tubes*Distance between two consequent tubes*Height) GO
Length of tube bank
Length=Mass Flow Rate/(Mass flux*Number of tubes*Distance between two consequent tubes) GO
Kinetic energy of gases at exit
Kinetic Energy=1/2*Mass Flow Rate*(1+Air to Fuel Ratio)*Jet velocity of aircraft^2 GO
Mass flow rate of a stream in the turbine (expanders)
Mass Flow Rate=Work done rate/Change in enthalpy GO
Work done rate by a turbine (expanders)
Work done rate=Change in enthalpy*Mass Flow Rate 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 when Turbine efficiency and actual change in enthalpy (isentropic) is given
Change in enthalpy=turbine efficiency*Change in enthalpy (isentropic) GO

Change in enthalpy in the turbine (expanders) Formula

Change in enthalpy=Work done rate/Mass Flow Rate
ΔH=W<sub>rate</sub>/m
More formulas
Overall Efficiency GO
Nozzle Efficiency GO
Shaft power GO
Work done rate by a 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
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 in the turbine (expanders)?

Change in enthalpy in the turbine (expanders) calculator uses Change in enthalpy=Work done rate/Mass Flow Rate to calculate the Change in enthalpy, The Change in enthalpy in the turbine (expanders) formula is defined as the ratio of the work done rate by a turbine (expanders) to the mass flow rate in the turbine (expanders). Change in enthalpy and is denoted by ΔH symbol.

How to calculate Change in enthalpy in the turbine (expanders) using this online calculator? To use this online calculator for Change in enthalpy in the turbine (expanders), enter Work done rate (Wrate) and Mass Flow Rate (m) and hit the calculate button. Here is how the Change in enthalpy in the turbine (expanders) calculation can be explained with given input values -> 66.66667 = 200/3.

FAQ

What is Change in enthalpy in the turbine (expanders)?
The Change in enthalpy in the turbine (expanders) formula is defined as the ratio of the work done rate by a turbine (expanders) to the mass flow rate in the turbine (expanders) and is represented as ΔH=Wrate/m or Change in enthalpy=Work done rate/Mass Flow Rate. The work done rate performed by a system is energy transferred per second by the system to its surroundings. and Mass flow rate is the mass of a substance that passes per unit of time. Its unit is kilogram per second in SI units.
How to calculate Change in enthalpy in the turbine (expanders)?
The Change in enthalpy in the turbine (expanders) formula is defined as the ratio of the work done rate by a turbine (expanders) to the mass flow rate in the turbine (expanders) is calculated using Change in enthalpy=Work done rate/Mass Flow Rate. To calculate Change in enthalpy in the turbine (expanders), you need Work done rate (Wrate) and Mass Flow Rate (m). With our tool, you need to enter the respective value for Work done rate and Mass Flow Rate 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 Work done rate and Mass Flow Rate. We can use 3 other way(s) to calculate the same, which is/are as follows -
  • 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=Change in enthalpy (isentropic)/Compressor efficiency
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