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Heat Transfer in Heat Exchanger given Overall Heat Transfer Coefficient Formula

GoHeat Transfer in Heat Exchanger given Cold Fluid Properties Formula

GoHeat Transfer in Heat Exchanger given Hot Fluid Properties Formula

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Heat is the form of energy that is transferred between systems or objects with different temperatures (flowing from the high-temperature system to the low-temperature system). Check FAQs

Q = U \cdot A \cdot ΔT m

Q - Heat?U - Overall Heat Transfer Coefficient?A - Area of Heat Exchanger?ΔT_m - Log Mean Temperature Difference?

Heat Transfer in Heat Exchanger given Overall Heat Transfer Coefficient Example

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Here is how the Heat Transfer in Heat Exchanger given Overall Heat Transfer Coefficient equation looks like with Values.

Here is how the Heat Transfer in Heat Exchanger given Overall Heat Transfer Coefficient equation looks like with Units.

Here is how the Heat Transfer in Heat Exchanger given Overall Heat Transfer Coefficient equation looks like.

4275.2 = 40 \cdot 6.68 \cdot 16

4275.2J = 40W/m²*K \cdot 6.68m² \cdot 16K

4275.2 = 40 \cdot 6.68 \cdot 16

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Heat Transfer in Heat Exchanger given Overall Heat Transfer Coefficient Solution

Follow our step by step solution on how to calculate Heat Transfer in Heat Exchanger given Overall Heat Transfer Coefficient?

FIRST Step Consider the formula

Q = U \cdot A \cdot ΔT m

Next Step Substitute values of Variables

∴

Q = 40W/m²*K \cdot 6.68m² \cdot 16K

Next Step Prepare to Evaluate

∴

Q = 40 \cdot 6.68 \cdot 16

LAST Step Evaluate

∴

Q = 4275.2J

Heat Transfer in Heat Exchanger given Overall Heat Transfer Coefficient Formula Elements

Variables

Heat

Heat is the form of energy that is transferred between systems or objects with different temperatures (flowing from the high-temperature system to the low-temperature system).

Symbol: Q

Measurement: EnergyUnit: J

Note: Value can be positive or negative.

Formulas to find Heat

Overall Heat Transfer Coefficient

The Overall Heat Transfer Coefficient is a measure of the overall ability of a series of conductive and convective barriers to transfer heat.

Symbol: U

Measurement: Heat Transfer CoefficientUnit: W/m²*K

Note: Value should be greater than 0.

Formulas to find Overall Heat Transfer Coefficient

Area of Heat Exchanger

Area of heat exchanger is the surface area of the heat transfer surface within the exchanger that is responsible for exchanging heat between two fluids.

Symbol: A

Measurement: AreaUnit: m²

Note: Value should be greater than 0.

Formulas to find Area of Heat Exchanger

Log Mean Temperature Difference

The log mean temperature difference (LMTD) is a logarithmic average of the temperature difference between the hot and cold streams at each end of the heat exchanger.

Symbol: ΔT_m

Measurement: TemperatureUnit: K

Note: Value should be greater than 0.

Formulas to find Log Mean Temperature Difference

Other Formulas to find Heat

Go Heat Transfer in Heat Exchanger given Cold Fluid Properties

Q = mod \underset{̲}{u} s (m c \cdot c c \cdot (T ci - T co))

Go Heat Transfer in Heat Exchanger given Hot Fluid Properties

Q = m h \cdot c h \cdot (T hi - T ho)

Other formulas in Heat Exchanger category

Go Capacity Rate

C = ṁ \cdot c

Go Fouling Factor

R f = (\frac{1}{U d}) - (\frac{1}{U})

Go Maximum Possible Rate of Heat Transfer

Q Max = C min \cdot (T hi - T ci)

Go Number of Heat Transfer Units

NTU = \frac{U \cdot A}{C min}

How to Evaluate Heat Transfer in Heat Exchanger given Overall Heat Transfer Coefficient?

Heat Transfer in Heat Exchanger given Overall Heat Transfer Coefficient evaluator uses Heat = Overall Heat Transfer Coefficient*Area of Heat Exchanger*Log Mean Temperature Difference to evaluate the Heat, Heat Transfer in Heat Exchanger given Overall Heat Transfer Coefficient gives the heat energy transferred from the hot fluid to the cold fluid as a function of the area available for heat transfer and log mean temperature difference between the fluids. Heat is denoted by Q symbol.

How to evaluate Heat Transfer in Heat Exchanger given Overall Heat Transfer Coefficient using this online evaluator? To use this online evaluator for Heat Transfer in Heat Exchanger given Overall Heat Transfer Coefficient, enter Overall Heat Transfer Coefficient (U), Area of Heat Exchanger (A) & Log Mean Temperature Difference (ΔT_m) and hit the calculate button.

FAQs on Heat Transfer in Heat Exchanger given Overall Heat Transfer Coefficient

What is the formula to find Heat Transfer in Heat Exchanger given Overall Heat Transfer Coefficient?

The formula of Heat Transfer in Heat Exchanger given Overall Heat Transfer Coefficient is expressed as Heat = Overall Heat Transfer Coefficient*Area of Heat Exchanger*Log Mean Temperature Difference. Here is an example- 4275.2 = 40*6.68*16.

How to calculate Heat Transfer in Heat Exchanger given Overall Heat Transfer Coefficient?

With Overall Heat Transfer Coefficient (U), Area of Heat Exchanger (A) & Log Mean Temperature Difference (ΔT_m) we can find Heat Transfer in Heat Exchanger given Overall Heat Transfer Coefficient using the formula - Heat = Overall Heat Transfer Coefficient*Area of Heat Exchanger*Log Mean Temperature Difference.

What are the other ways to Calculate Heat?

Here are the different ways to Calculate Heat-

Heat=modulus(Mass of Cold Fluid*Specific Heat Capacity of Cold Fluid*(Inlet Temperature of Cold Fluid-Outlet Temperature of Cold Fluid))
Heat=Mass of Hot Fluid*Specific Heat Capacity of Hot Fluid*(Inlet Temperature of Hot Fluid-Outlet Temperature of Hot Fluid)

Can the Heat Transfer in Heat Exchanger given Overall Heat Transfer Coefficient be negative?

Yes, the Heat Transfer in Heat Exchanger given Overall Heat Transfer Coefficient, measured in Energy can be negative.

Which unit is used to measure Heat Transfer in Heat Exchanger given Overall Heat Transfer Coefficient?

Heat Transfer in Heat Exchanger given Overall Heat Transfer Coefficient is usually measured using the Joule[J] for Energy. Kilojoule[J], Gigajoule[J], Megajoule[J] are the few other units in which Heat Transfer in Heat Exchanger given Overall Heat Transfer Coefficient can be measured.

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Heat Transfer in Heat Exchanger given Overall Heat Transfer Coefficient Formula

​GoHeat Transfer in Heat Exchanger given Cold Fluid Properties Formula

​GoHeat Transfer in Heat Exchanger given Hot Fluid Properties Formula

Heat Transfer in Heat Exchanger given Overall Heat Transfer Coefficient Example

Heat Transfer in Heat Exchanger given Overall Heat Transfer Coefficient Solution

Heat Transfer in Heat Exchanger given Overall Heat Transfer Coefficient Formula Elements

Other Formulas to find Heat

Other formulas in Heat Exchanger category

How to Evaluate Heat Transfer in Heat Exchanger given Overall Heat Transfer Coefficient?

FAQs on Heat Transfer in Heat Exchanger given Overall Heat Transfer Coefficient

Variable Name

GoHeat Transfer in Heat Exchanger given Cold Fluid Properties Formula

GoHeat Transfer in Heat Exchanger given Hot Fluid Properties Formula