Refrigerating Effect(for given h1 and h4) Calculator

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Enthalpy of Saturated Air

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Theoretical Vapour compression cycle with Superheated vapour after compression

Theoretical Vapour compression cycle with Superheated vapour before compression

Theoretical Vapour compression cycle with Under-cooling or sub-cooling if refrigerant

Theoretical Vapour compression cycle with Wet vapour after compression

✖Enthalpy of the vapour refrigerant at T1, i.e at the suction of the compressor.ⓘ Enthalpy of the Vapour Refrigerant at T1 [h₁]			+10% -10%
✖Enthalpy of the vapour refrigerant at T4, i.e at the discharge of the compressor.ⓘ Enthalpy of the vapour refrigerant at T4 [h₄]			+10% -10%

✖Refrigerating Effect Produced defines the amount of cooling produced by a system. This cooling is obtained at the expense of some form of energy.ⓘ Refrigerating Effect(for given h1 and h4) [R_E]

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Refrigerating Effect(for given h1 and h4)

Formula

`"R"_{"E"} = "h"_{"1"}-"h"_{"4"}`

Example

`"80kJ/kg"="260kJ/kg"-"180kJ/kg"`

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Download Refrigeration and Air Conditioning Formula PDF

Refrigerating Effect(for given h1 and h4) Solution

STEP 0: Pre-Calculation Summary

Formula Used

Refrigerating Effect = Enthalpy of the Vapour Refrigerant at T1-Enthalpy of the vapour refrigerant at T4
R_E = h₁-h₄
This formula uses 3 Variables

Variables Used

Refrigerating Effect - (Measured in Joule per Kilogram) - Refrigerating Effect Produced defines the amount of cooling produced by a system. This cooling is obtained at the expense of some form of energy.
Enthalpy of the Vapour Refrigerant at T1 - (Measured in Joule per Kilogram) - Enthalpy of the vapour refrigerant at T1, i.e at the suction of the compressor.
Enthalpy of the vapour refrigerant at T4 - (Measured in Joule per Kilogram) - Enthalpy of the vapour refrigerant at T4, i.e at the discharge of the compressor.

STEP 1: Convert Input(s) to Base Unit

Enthalpy of the Vapour Refrigerant at T1: 260 Kilojoule per Kilogram --> 260000 Joule per Kilogram (Check conversion here)
Enthalpy of the vapour refrigerant at T4: 180 Kilojoule per Kilogram --> 180000 Joule per Kilogram (Check conversion here)

STEP 2: Evaluate Formula

Substituting Input Values in Formula

R_E = h₁-h₄ --> 260000-180000

Evaluating ... ...

R_E = 80000

STEP 3: Convert Result to Output's Unit

80000 Joule per Kilogram -->80 Kilojoule per Kilogram (Check conversion here)

FINAL ANSWER

80 Kilojoule per Kilogram <-- Refrigerating Effect

(Calculation completed in 00.004 seconds)

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Created by Rushi Shah

K J Somaiya College of Engineering (K J Somaiya), Mumbai

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Indian Institute of Information Technology (IIIT), Guwahati

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< 9 Enthalpy of Saturated Air Calculators

Coefficient of Performance given enthalpy of liquid refrigerant leaving condenser (hf3)

Go Theoretical Coefficient of Performance = (Enthalpy of the Vapour Refrigerant at T1-Sensible Heat at Temperature T3)/(Enthalpy of the vapour refrigerant at T2-Enthalpy of the Vapour Refrigerant at T1)

Entropy at point 1

Go Entropy at Point 1 = Liquid Entropy at Point 1+((Dryness Fraction at point 1*Latent Heat of Fusion)/Temperature at the suction of compressor)

Entropy at point 2

Go Entropy at point 2 = Liquid entropy at point 2+((Dryness Fraction at point 2*Latent Heat of Fusion)/Temperature at Discharge of Compressor)

Enthalpy at Point 4 given Liquid Enthalpy at Point 4

Go Enthalpy of the vapour refrigerant at T4 = Liquid Enthalpy at Point 4+(Dryness Fraction at point 4*Latent Heat of Fusion)

Enthalpy at point 2

Go Enthalpy of the vapour refrigerant at T2 = Liquid Enthalpy at Point 2+(Dryness Fraction at point 2*Latent Heat of Fusion)

Enthalpy at point 1 given Liquid enthalpy at point 1

Go Enthalpy of the Vapour Refrigerant at T1 = Liquid Enthalpy at Point 1+Dryness Fraction at point 1*Latent Heat of Fusion

Refrigerating Effect(for given h1 and h4)

Go Refrigerating Effect = Enthalpy of the Vapour Refrigerant at T1-Enthalpy of the vapour refrigerant at T4

Refrigerating Effect given Enthalpy at Inlet of Compressor and Exit of Condenser

Go Refrigerating Effect = Enthalpy of the Vapour Refrigerant at T1-Sensible Heat at Temperature T3

Work done during isentropic compression(per Kg of refrigerant)

Go Work Done = Enthalpy of the vapour refrigerant at T2-Enthalpy of the Vapour Refrigerant at T1

< 8 Theoretical Vapour compression cycle with Wet vapour after compression Calculators

Coefficient of Performance given enthalpy of liquid refrigerant leaving condenser (hf3)

Entropy at point 1

Go Entropy at Point 1 = Liquid Entropy at Point 1+((Dryness Fraction at point 1*Latent Heat of Fusion)/Temperature at the suction of compressor)

Entropy at point 2

Go Entropy at point 2 = Liquid entropy at point 2+((Dryness Fraction at point 2*Latent Heat of Fusion)/Temperature at Discharge of Compressor)

Enthalpy at Point 4 given Liquid Enthalpy at Point 4

Go Enthalpy of the vapour refrigerant at T4 = Liquid Enthalpy at Point 4+(Dryness Fraction at point 4*Latent Heat of Fusion)

Enthalpy at point 2

Go Enthalpy of the vapour refrigerant at T2 = Liquid Enthalpy at Point 2+(Dryness Fraction at point 2*Latent Heat of Fusion)

Enthalpy at point 1 given Liquid enthalpy at point 1

Go Enthalpy of the Vapour Refrigerant at T1 = Liquid Enthalpy at Point 1+Dryness Fraction at point 1*Latent Heat of Fusion

Refrigerating Effect(for given h1 and h4)

Go Refrigerating Effect = Enthalpy of the Vapour Refrigerant at T1-Enthalpy of the vapour refrigerant at T4

Refrigerating Effect given Enthalpy at Inlet of Compressor and Exit of Condenser

Go Refrigerating Effect = Enthalpy of the Vapour Refrigerant at T1-Sensible Heat at Temperature T3

< 8 Theoretical Vapour compression cycle with Superheated vapour after compression Calculators

Coefficient of Performance given enthalpy of liquid refrigerant leaving condenser (hf3)

Entropy at point 1

Go Entropy at Point 1 = Liquid Entropy at Point 1+((Dryness Fraction at point 1*Latent Heat of Fusion)/Temperature at the suction of compressor)

Entropy at point 2

Go Entropy at point 2 = Liquid entropy at point 2+((Dryness Fraction at point 2*Latent Heat of Fusion)/Temperature at Discharge of Compressor)

Enthalpy at Point 4 given Liquid Enthalpy at Point 4

Go Enthalpy of the vapour refrigerant at T4 = Liquid Enthalpy at Point 4+(Dryness Fraction at point 4*Latent Heat of Fusion)

Enthalpy at point 2

Go Enthalpy of the vapour refrigerant at T2 = Liquid Enthalpy at Point 2+(Dryness Fraction at point 2*Latent Heat of Fusion)

Enthalpy at point 1 given Liquid enthalpy at point 1

Go Enthalpy of the Vapour Refrigerant at T1 = Liquid Enthalpy at Point 1+Dryness Fraction at point 1*Latent Heat of Fusion

Refrigerating Effect(for given h1 and h4)

Go Refrigerating Effect = Enthalpy of the Vapour Refrigerant at T1-Enthalpy of the vapour refrigerant at T4

Refrigerating Effect given Enthalpy at Inlet of Compressor and Exit of Condenser

Go Refrigerating Effect = Enthalpy of the Vapour Refrigerant at T1-Sensible Heat at Temperature T3

< 8 Theoretical Vapour compression cycle with Superheated vapour before compression Calculators

Coefficient of Performance given enthalpy of liquid refrigerant leaving condenser (hf3)

Entropy at point 1

Go Entropy at Point 1 = Liquid Entropy at Point 1+((Dryness Fraction at point 1*Latent Heat of Fusion)/Temperature at the suction of compressor)

Entropy at point 2

Go Entropy at point 2 = Liquid entropy at point 2+((Dryness Fraction at point 2*Latent Heat of Fusion)/Temperature at Discharge of Compressor)

Enthalpy at Point 4 given Liquid Enthalpy at Point 4

Go Enthalpy of the vapour refrigerant at T4 = Liquid Enthalpy at Point 4+(Dryness Fraction at point 4*Latent Heat of Fusion)

Enthalpy at point 2

Go Enthalpy of the vapour refrigerant at T2 = Liquid Enthalpy at Point 2+(Dryness Fraction at point 2*Latent Heat of Fusion)

Enthalpy at point 1 given Liquid enthalpy at point 1

Go Enthalpy of the Vapour Refrigerant at T1 = Liquid Enthalpy at Point 1+Dryness Fraction at point 1*Latent Heat of Fusion

Refrigerating Effect(for given h1 and h4)

Go Refrigerating Effect = Enthalpy of the Vapour Refrigerant at T1-Enthalpy of the vapour refrigerant at T4

Refrigerating Effect given Enthalpy at Inlet of Compressor and Exit of Condenser

Go Refrigerating Effect = Enthalpy of the Vapour Refrigerant at T1-Sensible Heat at Temperature T3

< 8 Theoretical Vapour compression cycle with Under-cooling or sub-cooling if refrigerant Calculators

Coefficient of Performance given enthalpy of liquid refrigerant leaving condenser (hf3)

Entropy at point 1

Go Entropy at Point 1 = Liquid Entropy at Point 1+((Dryness Fraction at point 1*Latent Heat of Fusion)/Temperature at the suction of compressor)

Entropy at point 2

Go Entropy at point 2 = Liquid entropy at point 2+((Dryness Fraction at point 2*Latent Heat of Fusion)/Temperature at Discharge of Compressor)

Enthalpy at Point 4 given Liquid Enthalpy at Point 4

Go Enthalpy of the vapour refrigerant at T4 = Liquid Enthalpy at Point 4+(Dryness Fraction at point 4*Latent Heat of Fusion)

Enthalpy at point 2

Go Enthalpy of the vapour refrigerant at T2 = Liquid Enthalpy at Point 2+(Dryness Fraction at point 2*Latent Heat of Fusion)

Enthalpy at point 1 given Liquid enthalpy at point 1

Go Enthalpy of the Vapour Refrigerant at T1 = Liquid Enthalpy at Point 1+Dryness Fraction at point 1*Latent Heat of Fusion

Refrigerating Effect(for given h1 and h4)

Go Refrigerating Effect = Enthalpy of the Vapour Refrigerant at T1-Enthalpy of the vapour refrigerant at T4

Refrigerating Effect given Enthalpy at Inlet of Compressor and Exit of Condenser

Go Refrigerating Effect = Enthalpy of the Vapour Refrigerant at T1-Sensible Heat at Temperature T3

Refrigerating Effect(for given h1 and h4) Formula

Refrigerating Effect = Enthalpy of the Vapour Refrigerant at T1-Enthalpy of the vapour refrigerant at T4
R_E = h₁-h₄

What is Refrigerating Effect?

Refrigerating Effect Produced defines the amount of cooling produced by a system. This cooling is obtained at the expense of some form of energy.

How to Calculate Refrigerating Effect(for given h1 and h4)?

Refrigerating Effect(for given h1 and h4) calculator uses Refrigerating Effect = Enthalpy of the Vapour Refrigerant at T1-Enthalpy of the vapour refrigerant at T4 to calculate the Refrigerating Effect, The Refrigerating Effect(for given h1 and h4) formula is defined as the difference between the temperatures at the entry and exit of the evaporator. Refrigerating Effect is denoted by R_E symbol.

How to calculate Refrigerating Effect(for given h1 and h4) using this online calculator? To use this online calculator for Refrigerating Effect(for given h1 and h4), enter Enthalpy of the Vapour Refrigerant at T1 (h₁) & Enthalpy of the vapour refrigerant at T4 (h₄) and hit the calculate button. Here is how the Refrigerating Effect(for given h1 and h4) calculation can be explained with given input values -> 0.08 = 260000-180000.

FAQ

What is Refrigerating Effect(for given h1 and h4)?

The Refrigerating Effect(for given h1 and h4) formula is defined as the difference between the temperatures at the entry and exit of the evaporator and is represented as R_E = h₁-h₄ or Refrigerating Effect = Enthalpy of the Vapour Refrigerant at T1-Enthalpy of the vapour refrigerant at T4. Enthalpy of the vapour refrigerant at T1, i.e at the suction of the compressor & Enthalpy of the vapour refrigerant at T4, i.e at the discharge of the compressor.

How to calculate Refrigerating Effect(for given h1 and h4)?

The Refrigerating Effect(for given h1 and h4) formula is defined as the difference between the temperatures at the entry and exit of the evaporator is calculated using Refrigerating Effect = Enthalpy of the Vapour Refrigerant at T1-Enthalpy of the vapour refrigerant at T4. To calculate Refrigerating Effect(for given h1 and h4), you need Enthalpy of the Vapour Refrigerant at T1 (h₁) & Enthalpy of the vapour refrigerant at T4 (h₄). With our tool, you need to enter the respective value for Enthalpy of the Vapour Refrigerant at T1 & Enthalpy of the vapour refrigerant at T4 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 Refrigerating Effect?

In this formula, Refrigerating Effect uses Enthalpy of the Vapour Refrigerant at T1 & Enthalpy of the vapour refrigerant at T4. We can use 5 other way(s) to calculate the same, which is/are as follows -

Refrigerating Effect = Enthalpy of the Vapour Refrigerant at T1-Sensible Heat at Temperature T3
Refrigerating Effect = Enthalpy of the Vapour Refrigerant at T1-Sensible Heat at Temperature T3
Refrigerating Effect = Enthalpy of the Vapour Refrigerant at T1-Sensible Heat at Temperature T3
Refrigerating Effect = Enthalpy of the Vapour Refrigerant at T1-Sensible Heat at Temperature T3
Refrigerating Effect = Enthalpy of the Vapour Refrigerant at T1-Sensible Heat at Temperature T3

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