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Refrigerating Effect is the cooling capacity of a refrigerant in a vapour compression refrigeration cycle, measured in terms of heat energy absorbed from the surroundings. Check FAQs
RE=h1-h4
RE - Refrigerating Effect?h1 - Enthalpy of The Vapour Refrigerant at T1?h4 - Enthalpy of The Vapour Refrigerant at T4?

Refrigerating Effect(for given h1 and h4) Example

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With units
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Here is how the Refrigerating Effect(for given h1 and h4) equation looks like with Values.

Here is how the Refrigerating Effect(for given h1 and h4) equation looks like with Units.

Here is how the Refrigerating Effect(for given h1 and h4) equation looks like.

170Edit=260Edit-90Edit
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Refrigerating Effect(for given h1 and h4) Solution

Follow our step by step solution on how to calculate Refrigerating Effect(for given h1 and h4)?

FIRST Step Consider the formula
RE=h1-h4
Next Step Substitute values of Variables
∴ RE=260kJ/kg-90kJ/kg
Next Step Convert Units
∴ RE=260000J/kg-90000J/kg
Next Step Prepare to Evaluate
∴ RE=260000-90000
Next Step Evaluate
∴RE=170000J/kg
LAST Step Convert to Output's Unit
∴RE=170kJ/kg

Refrigerating Effect(for given h1 and h4) Formula Elements

Variables
Refrigerating Effect
Refrigerating Effect is the cooling capacity of a refrigerant in a vapour compression refrigeration cycle, measured in terms of heat energy absorbed from the surroundings.
Symbol: RE
Measurement: Heat of Combustion (per Mass)Unit: kJ/kg
Note: Value can be positive or negative.
Formulas to find Refrigerating EffectOpen Variable
Enthalpy of The Vapour Refrigerant at T1
Enthalpy of The Vapour Refrigerant at T1 is the total heat content of the refrigerant vapour at the initial temperature point in a vapour compression refrigeration cycle.
Symbol: h1
Measurement: Heat of Combustion (per Mass)Unit: kJ/kg
Note: Value can be positive or negative.
Formulas to find Enthalpy of The Vapour Refrigerant at T1Open Variable
Enthalpy of The Vapour Refrigerant at T4
Enthalpy of the Vapour Refrigerant at T4 is the total heat content of the refrigerant vapour at the fourth point in the vapour compression refrigeration cycle.
Symbol: h4
Measurement: Heat of Combustion (per Mass)Unit: kJ/kg
Note: Value can be positive or negative.
Formulas to find Enthalpy of The Vapour Refrigerant at T4Open Variable

Other Formulas to find Refrigerating Effect

​Go Refrigerating Effect given Enthalpy at Inlet of Compressor and Exit of Condenser
RE=h1-hf3

Other formulas in Enthalpy of Vapour Compression Refrigeration Cycle category

​Go Work done during isentropic compression(per Kg of refrigerant)
w=h2-h1
​Go Coefficient of Performance given enthalpy of liquid refrigerant leaving condenser (hf3)
COPth=h1-hf3h2-h1
​Go Entropy at point 1
s1=sf1+(x1⋅hfgT1)
​Go Enthalpy at point 1 given Liquid enthalpy at point 1
h1=hf1+x1⋅hfg

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

Refrigerating Effect(for given h1 and h4) evaluator uses Refrigerating Effect = Enthalpy of The Vapour Refrigerant at T1-Enthalpy of The Vapour Refrigerant at T4 to evaluate the Refrigerating Effect, Refrigerating Effect(for given h1 and h4) formula is defined as the difference in enthalpy values of air at two specific points, providing a measure of the cooling effect or heat transfer that occurs in a refrigeration system. Refrigerating Effect is denoted by RE symbol.

How to evaluate Refrigerating Effect(for given h1 and h4) using this online evaluator? To use this online evaluator 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.

FAQs on Refrigerating Effect(for given h1 and h4)

What is the formula to find Refrigerating Effect(for given h1 and h4)?
The formula of Refrigerating Effect(for given h1 and h4) is expressed as Refrigerating Effect = Enthalpy of The Vapour Refrigerant at T1-Enthalpy of The Vapour Refrigerant at T4. Here is an example- 0.17 = 260000-90000.
How to calculate Refrigerating Effect(for given h1 and h4)?
With Enthalpy of The Vapour Refrigerant at T1 (h1) & Enthalpy of The Vapour Refrigerant at T4 (h4) we can find Refrigerating Effect(for given h1 and h4) using the formula - Refrigerating Effect = Enthalpy of The Vapour Refrigerant at T1-Enthalpy of The Vapour Refrigerant at T4.
What are the other ways to Calculate Refrigerating Effect?
Here are the different ways to Calculate Refrigerating Effect-
  • Refrigerating Effect=Enthalpy of The Vapour Refrigerant at T1-Sensible Heat at Temperature T3OpenImg
Can the Refrigerating Effect(for given h1 and h4) be negative?
Yes, the Refrigerating Effect(for given h1 and h4), measured in Heat of Combustion (per Mass) can be negative.
Which unit is used to measure Refrigerating Effect(for given h1 and h4)?
Refrigerating Effect(for given h1 and h4) is usually measured using the Kilojoule per Kilogram[kJ/kg] for Heat of Combustion (per Mass). Joule per Kilogram[kJ/kg], Calorie (IT) per Gram[kJ/kg] are the few other units in which Refrigerating Effect(for given h1 and h4) can be measured.
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