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Rate of Heat Transfer using Correction Factor and LMTD Formula

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Heat Transfer is the amount of heat that is transferred per unit of time in some material, usually measured in watts (joules per second). Check FAQs
q=U⋅A⋅F⋅ΔTm
q - Heat Transfer?U - Overall Heat Transfer Coefficient?A - Area of Heat Exchanger?F - Correction Factor?ΔTm - Log Mean Temperature Difference?

Rate of Heat Transfer using Correction Factor and LMTD Example

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Here is how the Rate of Heat Transfer using Correction Factor and LMTD equation looks like with Values.

Here is how the Rate of Heat Transfer using Correction Factor and LMTD equation looks like with Units.

Here is how the Rate of Heat Transfer using Correction Factor and LMTD equation looks like.

2009.344Edit=40Edit⋅6.68Edit⋅0.47Edit⋅16Edit
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Rate of Heat Transfer using Correction Factor and LMTD Solution

Follow our step by step solution on how to calculate Rate of Heat Transfer using Correction Factor and LMTD?

FIRST Step Consider the formula
q=U⋅A⋅F⋅ΔTm
Next Step Substitute values of Variables
∴ q=40W/m²*K⋅6.68m²⋅0.47⋅16K
Next Step Prepare to Evaluate
∴ q=40⋅6.68⋅0.47⋅16
LAST Step Evaluate
∴q=2009.344W

Rate of Heat Transfer using Correction Factor and LMTD Formula Elements

Variables
Heat Transfer
Heat Transfer is the amount of heat that is transferred per unit of time in some material, usually measured in watts (joules per second).
Symbol: q
Measurement: PowerUnit: W
Note: Value can be positive or negative.
Formulas to find Heat TransferOpen Variable
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 CoefficientOpen Variable
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 ExchangerOpen Variable
Correction Factor
Correction factor for heat transfer is a dimensionless quantity that is used to modify the basic heat transfer coefficient for a given system to account for any deviation from idealized conditions.
Symbol: F
Measurement: NAUnit: Unitless
Note: Value should be greater than 0.
Formulas to find Correction FactorOpen Variable
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: ΔTm
Measurement: TemperatureUnit: K
Note: Value should be greater than 0.
Formulas to find Log Mean Temperature DifferenceOpen Variable

Other formulas in Heat Exchanger category

​Go Capacity Rate
C=ṁ⋅c
​Go Fouling Factor
Rf=(1Ud)-(1U)
​Go Heat Transfer in Heat Exchanger given Cold Fluid Properties
Q=modu̲s(mc⋅cc⋅(Tci-Tco))
​Go Heat Transfer in Heat Exchanger given Hot Fluid Properties
Q=mh⋅ch⋅(Thi-Tho)

How to Evaluate Rate of Heat Transfer using Correction Factor and LMTD?

Rate of Heat Transfer using Correction Factor and LMTD evaluator uses Heat Transfer = Overall Heat Transfer Coefficient*Area of Heat Exchanger*Correction Factor*Log Mean Temperature Difference to evaluate the Heat Transfer, The Rate of Heat Transfer using Correction Factor and LMTD formula is defined as the amount of heat that is transferred per unit of time in multi pass heat exchangers using for correction factor for accounting deviation in LMTD. Heat Transfer is denoted by q symbol.

How to evaluate Rate of Heat Transfer using Correction Factor and LMTD using this online evaluator? To use this online evaluator for Rate of Heat Transfer using Correction Factor and LMTD, enter Overall Heat Transfer Coefficient (U), Area of Heat Exchanger (A), Correction Factor (F) & Log Mean Temperature Difference (ΔTm) and hit the calculate button.

FAQs on Rate of Heat Transfer using Correction Factor and LMTD

What is the formula to find Rate of Heat Transfer using Correction Factor and LMTD?
The formula of Rate of Heat Transfer using Correction Factor and LMTD is expressed as Heat Transfer = Overall Heat Transfer Coefficient*Area of Heat Exchanger*Correction Factor*Log Mean Temperature Difference. Here is an example- 2009.344 = 40*6.68*0.47*16.
How to calculate Rate of Heat Transfer using Correction Factor and LMTD?
With Overall Heat Transfer Coefficient (U), Area of Heat Exchanger (A), Correction Factor (F) & Log Mean Temperature Difference (ΔTm) we can find Rate of Heat Transfer using Correction Factor and LMTD using the formula - Heat Transfer = Overall Heat Transfer Coefficient*Area of Heat Exchanger*Correction Factor*Log Mean Temperature Difference.
Can the Rate of Heat Transfer using Correction Factor and LMTD be negative?
Yes, the Rate of Heat Transfer using Correction Factor and LMTD, measured in Power can be negative.
Which unit is used to measure Rate of Heat Transfer using Correction Factor and LMTD?
Rate of Heat Transfer using Correction Factor and LMTD is usually measured using the Watt[W] for Power. Kilowatt[W], Milliwatt[W], Microwatt[W] are the few other units in which Rate of Heat Transfer using Correction Factor and LMTD can be measured.
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