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LMTD of Coil given By-Pass Factor Formula

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Logarithmic Mean Temperature Difference is the log of the mean of the temperature values. Check FAQs

ΔT m = \frac{T f - T i}{\ln (\frac{1}{BPF})}

ΔT_m - Logarithmic Mean Temperature Difference?T_f - Final Temperature?T_i - Initial Temperature?BPF - By Pass Factor?

LMTD of Coil given By-Pass Factor Example

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Here is how the LMTD of Coil given By-Pass Factor equation looks like with Values.

Here is how the LMTD of Coil given By-Pass Factor equation looks like with Units.

Here is how the LMTD of Coil given By-Pass Factor equation looks like.

12.3063 = \frac{107 - 105}{\ln (\frac{1}{0.85})}

12.3063 = \frac{107K - 105K}{\ln (\frac{1}{0.85})}

12.3063 = \frac{107 - 105}{\ln (\frac{1}{0.85})}

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LMTD of Coil given By-Pass Factor Solution

Follow our step by step solution on how to calculate LMTD of Coil given By-Pass Factor?

FIRST Step Consider the formula

ΔT m = \frac{T f - T i}{\ln (\frac{1}{BPF})}

Next Step Substitute values of Variables

∴

ΔT m = \frac{107K - 105K}{\ln (\frac{1}{0.85})}

Next Step Prepare to Evaluate

∴

ΔT m = \frac{107 - 105}{\ln (\frac{1}{0.85})}

Next Step Evaluate

∴

ΔT m = 12.3062587612441

LAST Step Rounding Answer

∴

ΔT m = 12.3063

LMTD of Coil given By-Pass Factor Formula Elements

Variables

Functions

Logarithmic Mean Temperature Difference

Logarithmic Mean Temperature Difference is the log of the mean of the temperature values.

Symbol: ΔT_m

Measurement: NAUnit: Unitless

Note: Value can be positive or negative.

Formulas to find Logarithmic Mean Temperature Difference

Final Temperature

Final Temperature is the measure of hotness or coldness of a system at its final state.

Symbol: T_f

Measurement: TemperatureUnit: K

Note: Value can be positive or negative.

Formulas to find Final Temperature

Initial Temperature

Initial Temperature is the measure of hotness or coldness of a system at its initial state.

Symbol: T_i

Measurement: TemperatureUnit: K

Note: Value can be positive or negative.

Formulas to find Initial Temperature

By Pass Factor

By Pass Factor is the inability of a coil to cool or heat the air to its temperature.

Symbol: BPF

Measurement: NAUnit: Unitless

Note: Value can be positive or negative.

Formulas to find By Pass Factor

The natural logarithm, also known as the logarithm to the base e, is the inverse function of the natural exponential function.

Syntax: ln(Number)

Other formulas in By Pass Factor category

Go By-Pass Factor of Heating Coil

BPF = \exp (- \frac{U \cdot A c}{m air \cdot c})

Go By-Pass Factor of Cooling Coil

BPF = \exp (- \frac{U \cdot A c}{m air \cdot c})

Go Overall Heat Transfer Coefficient given By-Pass Factor

U = - \frac{\ln (BPF) \cdot m air \cdot c}{A c}

Go Surface Area of Coil given By-Pass Factor

A c = - \frac{\ln (BPF) \cdot m air \cdot c}{U}

How to Evaluate LMTD of Coil given By-Pass Factor?

LMTD of Coil given By-Pass Factor evaluator uses Logarithmic Mean Temperature Difference = (Final Temperature-Initial Temperature)/ln(1/By Pass Factor) to evaluate the Logarithmic Mean Temperature Difference, LMTD of Coil given By-Pass Factor formula is a measure of the logarithmic mean temperature difference in a coil, which is affected by the bypass factor, and is used to determine the heat transfer rate in a coil under different bypass conditions. Logarithmic Mean Temperature Difference is denoted by ΔT_m symbol.

How to evaluate LMTD of Coil given By-Pass Factor using this online evaluator? To use this online evaluator for LMTD of Coil given By-Pass Factor, enter Final Temperature (T_f), Initial Temperature (T_i) & By Pass Factor (BPF) and hit the calculate button.

FAQs on LMTD of Coil given By-Pass Factor

What is the formula to find LMTD of Coil given By-Pass Factor?

The formula of LMTD of Coil given By-Pass Factor is expressed as Logarithmic Mean Temperature Difference = (Final Temperature-Initial Temperature)/ln(1/By Pass Factor). Here is an example- 12.30626 = (107-105)/ln(1/0.85).

How to calculate LMTD of Coil given By-Pass Factor?

With Final Temperature (T_f), Initial Temperature (T_i) & By Pass Factor (BPF) we can find LMTD of Coil given By-Pass Factor using the formula - Logarithmic Mean Temperature Difference = (Final Temperature-Initial Temperature)/ln(1/By Pass Factor). This formula also uses Natural Logarithm (ln) function(s).

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LMTD of Coil given By-Pass Factor Formula

LMTD of Coil given By-Pass Factor Example

LMTD of Coil given By-Pass Factor Solution

LMTD of Coil given By-Pass Factor Formula Elements

Other formulas in By Pass Factor category

How to Evaluate LMTD of Coil given By-Pass Factor?

FAQs on LMTD of Coil given By-Pass Factor

Variable Name