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Heat Rate Formula

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Heat rate is the amount of energy required by an electrical generator or a power plant to produce a one-kilowatt hour of electricity. Check FAQs

Q rate = m \cdot c \cdot ΔT

Q_rate - Heat Rate?m - Steam Flow?c - Specific Heat Capacity?ΔT - Temperature Difference?

Heat Rate Example

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With units

Only example

Here is how the Heat Rate equation looks like with Values.

Here is how the Heat Rate equation looks like with Units.

Here is how the Heat Rate equation looks like.

3.6E+6 = 30 \cdot 4.184 \cdot 29

3.6E+6W = 30kg/s \cdot 4.184kJ/kg*K \cdot 29K

3.6E+6 = 30 \cdot 4.184 \cdot 29

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Heat Rate Solution

Follow our step by step solution on how to calculate Heat Rate?

FIRST Step Consider the formula

Q rate = m \cdot c \cdot ΔT

Next Step Substitute values of Variables

∴

Q rate = 30kg/s \cdot 4.184kJ/kg*K \cdot 29K

Next Step Convert Units

∴

Q rate = 30kg/s \cdot 4184J/(kg*K) \cdot 29K

Next Step Prepare to Evaluate

∴

Q rate = 30 \cdot 4184 \cdot 29

Next Step Evaluate

∴

Q rate = 3640080W

LAST Step Rounding Answer

∴

Q rate = 3.6E+6W

Heat Rate Formula Elements

Variables

Heat Rate

Heat rate is the amount of energy required by an electrical generator or a power plant to produce a one-kilowatt hour of electricity.

Symbol: Q_rate

Measurement: PowerUnit: W

Note: Value can be positive or negative.

Formulas to find Heat Rate

Steam Flow

Steam Flow is the rate by which steam flows to produce a one-kilowatt hour of electricity.

Symbol: m

Measurement: Mass Flow RateUnit: kg/s

Note: Value can be positive or negative.

Formulas to find Steam Flow

Specific Heat Capacity

Specific Heat Capacity is the heat required to raise the temperature of the unit mass of a given substance by a given amount.

Symbol: c

Measurement: Specific Heat CapacityUnit: kJ/kg*K

Note: Value can be positive or negative.

Formulas to find Specific Heat Capacity

Temperature Difference

Temperature Difference is the measure of the hotness or the coldness of an object.

Symbol: ΔT

Measurement: Temperature DifferenceUnit: K

Note: Value can be positive or negative.

Formulas to find Temperature Difference

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How to Evaluate Heat Rate?

Heat Rate evaluator uses Heat Rate = Steam Flow*Specific Heat Capacity*Temperature Difference to evaluate the Heat Rate, Heat rate is the amount of energy required by an electrical generator or a power plant to produce a one-kilowatt hour of electricity. Heat Rate is denoted by Q_rate symbol.

How to evaluate Heat Rate using this online evaluator? To use this online evaluator for Heat Rate, enter Steam Flow (m), Specific Heat Capacity (c) & Temperature Difference (ΔT) and hit the calculate button.

FAQs on Heat Rate

What is the formula to find Heat Rate?

The formula of Heat Rate is expressed as Heat Rate = Steam Flow*Specific Heat Capacity*Temperature Difference. Here is an example- 3.6E+6 = 30*4184*29.

How to calculate Heat Rate?

With Steam Flow (m), Specific Heat Capacity (c) & Temperature Difference (ΔT) we can find Heat Rate using the formula - Heat Rate = Steam Flow*Specific Heat Capacity*Temperature Difference.

Can the Heat Rate be negative?

Yes, the Heat Rate, measured in Power can be negative.

Which unit is used to measure Heat Rate?

Heat Rate is usually measured using the Watt[W] for Power. Kilowatt[W], Milliwatt[W], Microwatt[W] are the few other units in which Heat Rate can be measured.

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Heat Rate Formula

Heat Rate Example

Heat Rate Solution

Heat Rate Formula Elements

Other formulas in Others and Extra category

How to Evaluate Heat Rate?

FAQs on Heat Rate

Variable Name