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Coefficient of Performance of Refrigerator given Energy Formula

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Coefficient of Performance of Refrigerator is the relationship between the power (kW) that is drawn out of the heat pump as cooling or heat, and the power (kW) that is supplied to the compressor. Check FAQs

β = \frac{Q sink}{Q system - Q sink}

β - Coefficient of Performance of Refrigerator?Q_sink - Sink Energy?Q_system - System Energy?

Coefficient of Performance of Refrigerator given Energy Example

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Here is how the Coefficient of Performance of Refrigerator given Energy equation looks like with Values.

Here is how the Coefficient of Performance of Refrigerator given Energy equation looks like with Units.

Here is how the Coefficient of Performance of Refrigerator given Energy equation looks like.

0.6667 = \frac{200}{500 - 200}

0.6667 = \frac{200J}{500J - 200J}

0.6667 = \frac{200}{500 - 200}

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First Order Thermodynamics » fx Coefficient of Performance of Refrigerator given Energy

Coefficient of Performance of Refrigerator given Energy Solution

Follow our step by step solution on how to calculate Coefficient of Performance of Refrigerator given Energy?

FIRST Step Consider the formula

β = \frac{Q sink}{Q system - Q sink}

Next Step Substitute values of Variables

∴

β = \frac{200J}{500J - 200J}

Next Step Prepare to Evaluate

∴

β = \frac{200}{500 - 200}

Next Step Evaluate

∴

β = 0.666666666666667

LAST Step Rounding Answer

∴

β = 0.6667

Coefficient of Performance of Refrigerator given Energy Formula Elements

Variables

Coefficient of Performance of Refrigerator

Coefficient of Performance of Refrigerator is the relationship between the power (kW) that is drawn out of the heat pump as cooling or heat, and the power (kW) that is supplied to the compressor.

Symbol: β

Measurement: NAUnit: Unitless

Note: Value can be positive or negative.

Formulas to find Coefficient of Performance of Refrigerator

Sink Energy

Sink Energy is the energy transferred from high to low temperature system.

Symbol: Q_sink

Measurement: EnergyUnit: J

Note: Value can be positive or negative.

Formulas to find Sink Energy

System Energy

System Energy is the energy transferred from low to high temperature system.

Symbol: Q_system

Measurement: EnergyUnit: J

Note: Value can be positive or negative.

Formulas to find System Energy

Other formulas in First Order Thermodynamics category

Go Internal Energy of System

U WD = Q d - (W IE)

Go Work Done given Internal Energy

W IE = Q d - U WD

Go Heat Energy given Internal Energy

Q d = U WD + (W IE)

Go Work Done in Irreversible Process

W irr = - P ext \cdot dV

How to Evaluate Coefficient of Performance of Refrigerator given Energy?

Coefficient of Performance of Refrigerator given Energy evaluator uses Coefficient of Performance of Refrigerator = Sink Energy/(System Energy-Sink Energy) to evaluate the Coefficient of Performance of Refrigerator, Coefficient of Performance of Refrigerator given Energy is defined as the relationship between the power (kW) that is drawn out of the heat pump as cooling or heat, and the power (kW) that is supplied to the compressor. Coefficient of Performance of Refrigerator is denoted by β symbol.

How to evaluate Coefficient of Performance of Refrigerator given Energy using this online evaluator? To use this online evaluator for Coefficient of Performance of Refrigerator given Energy, enter Sink Energy (Q_sink) & System Energy (Q_system) and hit the calculate button.

FAQs on Coefficient of Performance of Refrigerator given Energy

What is the formula to find Coefficient of Performance of Refrigerator given Energy?

The formula of Coefficient of Performance of Refrigerator given Energy is expressed as Coefficient of Performance of Refrigerator = Sink Energy/(System Energy-Sink Energy). Here is an example- 0.666667 = 200/(500-200).

How to calculate Coefficient of Performance of Refrigerator given Energy?

With Sink Energy (Q_sink) & System Energy (Q_system) we can find Coefficient of Performance of Refrigerator given Energy using the formula - Coefficient of Performance of Refrigerator = Sink Energy/(System Energy-Sink Energy).

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Coefficient of Performance of Refrigerator given Energy Formula

Coefficient of Performance of Refrigerator given Energy Example

Coefficient of Performance of Refrigerator given Energy Solution

Coefficient of Performance of Refrigerator given Energy Formula Elements

Other formulas in First Order Thermodynamics category

How to Evaluate Coefficient of Performance of Refrigerator given Energy?

FAQs on Coefficient of Performance of Refrigerator given Energy

Variable Name