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Number of Transfer Units for Plate Heat Exchanger Formula

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Number of Transfer Units is a dimensionless parameter used to characterize the heat transfer performance of Heat Exchanger. Check FAQs

NTU = \frac{T Outlet - T Inlet}{ΔT LMTD}

NTU - Number of Transfer Units?T_Outlet - Outlet Temperature?T_Inlet - Inlet Temperature?ΔT_LMTD - Log Mean Temperature Difference?

Number of Transfer Units for Plate Heat Exchanger Example

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Here is how the Number of Transfer Units for Plate Heat Exchanger equation looks like with Values.

Here is how the Number of Transfer Units for Plate Heat Exchanger equation looks like with Units.

Here is how the Number of Transfer Units for Plate Heat Exchanger equation looks like.

1.2 = \frac{345 - 298}{39.1667}

1.2 = \frac{345K - 298K}{39.1667K}

1.2 = \frac{345 - 298}{39.1667}

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Number of Transfer Units for Plate Heat Exchanger Solution

Follow our step by step solution on how to calculate Number of Transfer Units for Plate Heat Exchanger?

FIRST Step Consider the formula

NTU = \frac{T Outlet - T Inlet}{ΔT LMTD}

Next Step Substitute values of Variables

∴

NTU = \frac{345K - 298K}{39.1667K}

Next Step Prepare to Evaluate

∴

NTU = \frac{345 - 298}{39.1667}

Next Step Evaluate

∴

NTU = 1.19999897872427

LAST Step Rounding Answer

∴

NTU = 1.2

Number of Transfer Units for Plate Heat Exchanger Formula Elements

Variables

Number of Transfer Units

Number of Transfer Units is a dimensionless parameter used to characterize the heat transfer performance of Heat Exchanger.

Symbol: NTU

Measurement: NAUnit: Unitless

Note: Value should be greater than 0.

Formulas to find Number of Transfer Units

Outlet Temperature

Outlet Temperature of Fluid is temperature that it attained after passing through a heat exchanger.

Symbol: T_Outlet

Measurement: TemperatureUnit: K

Note: Value should be greater than 0.

Formulas to find Outlet Temperature

Inlet Temperature

Inlet Temperature is the temperature of fluid before entering into a heat exchanger.

Symbol: T_Inlet

Measurement: TemperatureUnit: K

Note: Value should be greater than 0.

Formulas to find Inlet Temperature

Log Mean Temperature Difference

Log Mean Temperature Difference is the logarithmic temperature difference averaged between 2 fluid streams exchanging heat.

Symbol: ΔT_LMTD

Measurement: TemperatureUnit: K

Note: Value should be greater than 0.

Formulas to find Log Mean Temperature Difference

Other formulas in Basic Formulas of Heat Exchanger Designs category

Go Equivalent Diameter for Square Pitch in Heat Exchanger

D e = (\frac{1.27}{D Outer}) \cdot (({P Tube}^{2}) - 0.785 \cdot ({D Outer}^{2}))

Go Equivalent Diameter for Triangular Pitch in Heat Exchanger

D e = (\frac{1.10}{D Outer}) \cdot (({P Tube}^{2}) - 0.917 \cdot ({D Outer}^{2}))

Go Number of Baffles in Shell and Tube Heat Exchanger

N Baffles = (\frac{L Tube}{L Baffle}) - 1

Go Number of Tubes in Center Row Given Bundle Diameter and Tube Pitch

N r = \frac{D B}{P Tube}

How to Evaluate Number of Transfer Units for Plate Heat Exchanger?

Number of Transfer Units for Plate Heat Exchanger evaluator uses Number of Transfer Units = (Outlet Temperature-Inlet Temperature)/Log Mean Temperature Difference to evaluate the Number of Transfer Units, The Number Of Transfer Units For Plate Heat Exchanger formula is defined as a dimensionless parameter that characterizes the heat transfer performance of Heat Exchanger. It determines the effectiveness of heat exchanger. Number of Transfer Units is denoted by NTU symbol.

How to evaluate Number of Transfer Units for Plate Heat Exchanger using this online evaluator? To use this online evaluator for Number of Transfer Units for Plate Heat Exchanger, enter Outlet Temperature (T_Outlet), Inlet Temperature (T_Inlet) & Log Mean Temperature Difference (ΔT_LMTD) and hit the calculate button.

FAQs on Number of Transfer Units for Plate Heat Exchanger

What is the formula to find Number of Transfer Units for Plate Heat Exchanger?

The formula of Number of Transfer Units for Plate Heat Exchanger is expressed as Number of Transfer Units = (Outlet Temperature-Inlet Temperature)/Log Mean Temperature Difference. Here is an example- 1.566667 = (345-298)/39.1667.

How to calculate Number of Transfer Units for Plate Heat Exchanger?

With Outlet Temperature (T_Outlet), Inlet Temperature (T_Inlet) & Log Mean Temperature Difference (ΔT_LMTD) we can find Number of Transfer Units for Plate Heat Exchanger using the formula - Number of Transfer Units = (Outlet Temperature-Inlet Temperature)/Log Mean Temperature Difference.

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Number of Transfer Units for Plate Heat Exchanger Formula

Number of Transfer Units for Plate Heat Exchanger Example

Number of Transfer Units for Plate Heat Exchanger Solution

Number of Transfer Units for Plate Heat Exchanger Formula Elements

Other formulas in Basic Formulas of Heat Exchanger Designs category

How to Evaluate Number of Transfer Units for Plate Heat Exchanger?

FAQs on Number of Transfer Units for Plate Heat Exchanger

Variable Name