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Work Done Rate by Turbine (Expanders) Formula

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Work Done Rate performed by a system is energy transferred per second by the system to its surroundings. Check FAQs

W rate = ΔH \cdot m

W_rate - Work Done Rate?ΔH - Change in Enthalpy?m - Mass Flow Rate?

Work Done Rate by Turbine (Expanders) Example

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Here is how the Work Done Rate by Turbine (Expanders) equation looks like with Values.

Here is how the Work Done Rate by Turbine (Expanders) equation looks like with Units.

Here is how the Work Done Rate by Turbine (Expanders) equation looks like.

950 = 190 \cdot 5

950J/s = 190J/kg \cdot 5kg/s

950 = 190 \cdot 5

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Work Done Rate by Turbine (Expanders) Solution

Follow our step by step solution on how to calculate Work Done Rate by Turbine (Expanders)?

FIRST Step Consider the formula

W rate = ΔH \cdot m

Next Step Substitute values of Variables

∴

W rate = 190J/kg \cdot 5kg/s

Next Step Prepare to Evaluate

∴

W rate = 190 \cdot 5

LAST Step Evaluate

∴

W rate = 950J/s

Work Done Rate by Turbine (Expanders) Formula Elements

Variables

Work Done Rate

Work Done Rate performed by a system is energy transferred per second by the system to its surroundings.

Symbol: W_rate

Measurement: Rate of Heat TransferUnit: J/s

Note: Value can be positive or negative.

Formulas to find Work Done Rate

Change in Enthalpy

Change in enthalpy is the thermodynamic quantity equivalent to the total difference between the heat content of a system.

Symbol: ΔH

Measurement: Heat of Combustion (per Mass)Unit: J/kg

Note: Value can be positive or negative.

Formulas to find Change in Enthalpy

Mass Flow Rate

Mass flow rate is the mass of a substance that passes per unit of time. Its unit is kilogram per second in SI units.

Symbol: m

Measurement: Mass Flow RateUnit: kg/s

Note: Value should be greater than 0.

Formulas to find Mass Flow Rate

Other formulas in Application of Thermodynamics to Flow Processes category

Go Isentropic Work done rate for Adiabatic Compression Process using Cp

W s isentropic = c \cdot T 1 \cdot ({(\frac{P 2}{P 1})}^{\frac{[R]}{c}} - 1)

Go Isentropic Work Done Rate for Adiabatic Compression Process using Gamma

W s isentropic = [R] \cdot (\frac{T 1}{\frac{γ - 1}{γ}}) \cdot ({(\frac{P 2}{P 1})}^{\frac{γ - 1}{γ}} - 1)

Go Nozzle Efficiency

NE = \frac{ΔKE}{KE}

Go Overall Efficiency given Boiler, Cycle, Turbine, Generator, and Auxiliary Efficiency

η o = η B \cdot η C \cdot η T \cdot η G \cdot η Aux

How to Evaluate Work Done Rate by Turbine (Expanders)?

Work Done Rate by Turbine (Expanders) evaluator uses Work Done Rate = Change in Enthalpy*Mass Flow Rate to evaluate the Work Done Rate, The Work Done Rate by Turbine (Expanders) formula is defined as the product of the change in the enthalpy and the mass flow rate in the turbine (expanders). Work Done Rate is denoted by W_rate symbol.

How to evaluate Work Done Rate by Turbine (Expanders) using this online evaluator? To use this online evaluator for Work Done Rate by Turbine (Expanders), enter Change in Enthalpy (ΔH) & Mass Flow Rate (m) and hit the calculate button.

FAQs on Work Done Rate by Turbine (Expanders)

What is the formula to find Work Done Rate by Turbine (Expanders)?

The formula of Work Done Rate by Turbine (Expanders) is expressed as Work Done Rate = Change in Enthalpy*Mass Flow Rate. Here is an example- 950 = 190*5.

How to calculate Work Done Rate by Turbine (Expanders)?

With Change in Enthalpy (ΔH) & Mass Flow Rate (m) we can find Work Done Rate by Turbine (Expanders) using the formula - Work Done Rate = Change in Enthalpy*Mass Flow Rate.

Can the Work Done Rate by Turbine (Expanders) be negative?

Yes, the Work Done Rate by Turbine (Expanders), measured in Rate of Heat Transfer can be negative.

Which unit is used to measure Work Done Rate by Turbine (Expanders)?

Work Done Rate by Turbine (Expanders) is usually measured using the Joule per Second[J/s] for Rate of Heat Transfer. Joule per Minute[J/s], Megajoule per Second[J/s], Kilojoule per Second[J/s] are the few other units in which Work Done Rate by Turbine (Expanders) can be measured.

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