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Area of heat exchanger Formula

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The Area is the surface measurement of a heat exchanger, indicating the space available for heat transfer between fluids. Check FAQs

A = \frac{Q}{U \cdot ΔT m \cdot f}

A - Area?Q - Heat exchanged?U - Overall Heat Transfer Coefficient?ΔT_m - Logarithmic Mean Temperature Difference?f - Correction Factor?

Area of heat exchanger Example

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Here is how the Area of heat exchanger equation looks like with Values.

Here is how the Area of heat exchanger equation looks like with Units.

Here is how the Area of heat exchanger equation looks like.

49.975 = \frac{50}{50 \cdot 30 \cdot 0.0007}

49.975m² = \frac{50W}{50W/m²*K \cdot 30 \cdot 0.0007}

49.975 = \frac{50}{50 \cdot 30 \cdot 0.0007}

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Area of heat exchanger Solution

Follow our step by step solution on how to calculate Area of heat exchanger?

FIRST Step Consider the formula

A = \frac{Q}{U \cdot ΔT m \cdot f}

Next Step Substitute values of Variables

∴

A = \frac{50W}{50W/m²*K \cdot 30 \cdot 0.0007}

Next Step Prepare to Evaluate

∴

A = \frac{50}{50 \cdot 30 \cdot 0.0007}

Next Step Evaluate

∴

A = 49.9750124937531m²

LAST Step Rounding Answer

∴

A = 49.975m²

Area of heat exchanger Formula Elements

Variables

Area

The Area is the surface measurement of a heat exchanger, indicating the space available for heat transfer between fluids.

Symbol: A

Measurement: AreaUnit: m²

Note: Value should be greater than 0.

Formulas to find Area

Heat exchanged

The Heat exchanged is the amount of thermal energy transferred between fluids in a heat exchanger, influencing the efficiency and performance of thermal systems.

Symbol: Q

Measurement: PowerUnit: W

Note: Value can be positive or negative.

Formulas to find Heat exchanged

Overall Heat Transfer Coefficient

The Overall Heat Transfer Coefficient is a measure of the efficiency of heat transfer through a heat exchanger, reflecting the combined effects of conduction and convection.

Symbol: U

Measurement: Heat Transfer CoefficientUnit: W/m²*K

Note: Value can be positive or negative.

Formulas to find Overall Heat Transfer Coefficient

Logarithmic Mean Temperature Difference

The Logarithmic Mean Temperature Difference is a measure used to evaluate the temperature efficiency of heat exchangers, reflecting the average temperature difference between two fluids.

Symbol: ΔT_m

Measurement: NAUnit: Unitless

Note: Value can be positive or negative.

Formulas to find Logarithmic Mean Temperature Difference

Correction Factor

The Correction Factor is a multiplier used to adjust the performance of heat exchangers based on varying operating conditions and physical parameters for accurate analysis.

Symbol: f

Measurement: NAUnit: Unitless

Note: Value can be positive or negative.

Formulas to find Correction Factor

Other formulas in Physical Parameters of Heat Exchanger category

Go Correction factor in heat exchanger

f = \frac{Q}{U \cdot A \cdot ΔT m}

Go Mass flow rate of hot fluid

mh = (ϵ \cdot \frac{C min}{ch}) \cdot (\frac{1}{\frac{T1 - t2}{T1 - t1}})

Go Mass flow rate of cold fluid

mc = (ϵ \cdot \frac{C min}{cc}) \cdot (\frac{1}{\frac{t2 - t1}{T1 - t1}})

Go Location factor at distance X of heat exchanger

E = \frac{h Conv \cdot SA \cdot x}{c \cdot m}

How to Evaluate Area of heat exchanger?

Area of heat exchanger evaluator uses Area = Heat exchanged/(Overall Heat Transfer Coefficient*Logarithmic Mean Temperature Difference*Correction Factor) to evaluate the Area, Area of heat exchanger formula is defined as a measure of the surface area required for effective heat transfer between two fluids. It plays a crucial role in the design and efficiency of heat exchangers in various applications. Area is denoted by A symbol.

How to evaluate Area of heat exchanger using this online evaluator? To use this online evaluator for Area of heat exchanger, enter Heat exchanged (Q), Overall Heat Transfer Coefficient (U), Logarithmic Mean Temperature Difference (ΔT_m) & Correction Factor (f) and hit the calculate button.

FAQs on Area of heat exchanger

What is the formula to find Area of heat exchanger?

The formula of Area of heat exchanger is expressed as Area = Heat exchanged/(Overall Heat Transfer Coefficient*Logarithmic Mean Temperature Difference*Correction Factor). Here is an example- 49.97501 = 50/(50*30*0.000667).

How to calculate Area of heat exchanger?

With Heat exchanged (Q), Overall Heat Transfer Coefficient (U), Logarithmic Mean Temperature Difference (ΔT_m) & Correction Factor (f) we can find Area of heat exchanger using the formula - Area = Heat exchanged/(Overall Heat Transfer Coefficient*Logarithmic Mean Temperature Difference*Correction Factor).

Can the Area of heat exchanger be negative?

No, the Area of heat exchanger, measured in Area cannot be negative.

Which unit is used to measure Area of heat exchanger?

Area of heat exchanger is usually measured using the Square Meter[m²] for Area. Square Kilometer[m²], Square Centimeter[m²], Square Millimeter[m²] are the few other units in which Area of heat exchanger can be measured.

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Area of heat exchanger Formula

Area of heat exchanger Example

Area of heat exchanger Solution

Area of heat exchanger Formula Elements

Other formulas in Physical Parameters of Heat Exchanger category

How to Evaluate Area of heat exchanger?

FAQs on Area of heat exchanger

Variable Name