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Heat Transfer Coefficient for Plate Heat Exchanger Formula

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Plate Film Coefficient is the heat transfer coefficient for a Plate Heat Exchanger. Check FAQs

h p = 0.26 \cdot (\frac{k f}{d e}) \cdot ({Re}^{0.65}) \cdot ({Pr}^{0.4}) \cdot {(\frac{μ}{μ W})}^{0.14}

h_p - Plate Film Coefficient?k_f - Thermal Conductivity in Heat Exchanger?d_e - Equivalent Diameter in Heat Exchanger?Re - Reynold Number for Fluid?Pr - Prandlt Number for Fluid?μ - Fluid Viscosity at Average Temperature?μ_W - Fluid Viscosity at Tube Wall Temperature?

Heat Transfer Coefficient for Plate Heat Exchanger Example

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Here is how the Heat Transfer Coefficient for Plate Heat Exchanger equation looks like with Values.

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

Here is how the Heat Transfer Coefficient for Plate Heat Exchanger equation looks like.

5885.3519 = 0.26 \cdot (\frac{3.4}{21.5}) \cdot (1000^{0.65}) \cdot ({3.27}^{0.4}) \cdot {(\frac{1.005}{1.006})}^{0.14}

5885.3519W/m²*K = 0.26 \cdot (\frac{3.4W/(m*K)}{21.5mm}) \cdot (1000^{0.65}) \cdot ({3.27}^{0.4}) \cdot {(\frac{1.005Pa*s}{1.006Pa*s})}^{0.14}

5885.3519 = 0.26 \cdot (\frac{3.4}{21.5}) \cdot (1000^{0.65}) \cdot ({3.27}^{0.4}) \cdot {(\frac{1.005}{1.006})}^{0.14}

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Heat Transfer Coefficient for Plate Heat Exchanger Solution

Follow our step by step solution on how to calculate Heat Transfer Coefficient for Plate Heat Exchanger?

FIRST Step Consider the formula

h p = 0.26 \cdot (\frac{k f}{d e}) \cdot ({Re}^{0.65}) \cdot ({Pr}^{0.4}) \cdot {(\frac{μ}{μ W})}^{0.14}

Next Step Substitute values of Variables

∴

h p = 0.26 \cdot (\frac{3.4W/(m*K)}{21.5mm}) \cdot (1000^{0.65}) \cdot ({3.27}^{0.4}) \cdot {(\frac{1.005Pa*s}{1.006Pa*s})}^{0.14}

Next Step Convert Units

∴

h p = 0.26 \cdot (\frac{3.4W/(m*K)}{0.0215m}) \cdot (1000^{0.65}) \cdot ({3.27}^{0.4}) \cdot {(\frac{1.005Pa*s}{1.006Pa*s})}^{0.14}

Next Step Prepare to Evaluate

∴

h p = 0.26 \cdot (\frac{3.4}{0.0215}) \cdot (1000^{0.65}) \cdot ({3.27}^{0.4}) \cdot {(\frac{1.005}{1.006})}^{0.14}

Next Step Evaluate

∴

h p = 5885.3519269805W/m²*K

LAST Step Rounding Answer

∴

h p = 5885.3519W/m²*K

Heat Transfer Coefficient for Plate Heat Exchanger Formula Elements

Variables

Plate Film Coefficient

Plate Film Coefficient is the heat transfer coefficient for a Plate Heat Exchanger.

Symbol: h_p

Measurement: Heat Transfer CoefficientUnit: W/m²*K

Note: Value should be greater than 0.

Thermal Conductivity in Heat Exchanger

Thermal Conductivity in Heat Exchanger is the proportionality constant for the heat flux during conduction heat transfer in a heat exchanger.

Symbol: k_f

Measurement: Thermal ConductivityUnit: W/(m*K)

Note: Value should be greater than 0.

Equivalent Diameter in Heat Exchanger

Equivalent diameter in Heat Exchanger represents a single characteristic length that takes into account the cross-sectional shape and flow path of a non-circular or irregularly shaped channel or duct.

Symbol: d_e

Measurement: LengthUnit: mm

Note: Value should be greater than 0.

Reynold Number for Fluid

Reynold Number for Fluid is defined as the ratio of inertial force to the viscous force of fluid.

Symbol: Re

Measurement: NAUnit: Unitless

Note: Value should be greater than 0.

Prandlt Number for Fluid

Prandlt number for Fluid is the ratio of conductive to convective heat transfer of the fluid.

Symbol: Pr

Measurement: NAUnit: Unitless

Note: Value should be greater than 0.

Fluid Viscosity at Average Temperature

Fluid viscosity at Average Temperature in Heat Exchanger is a fundamental property of fluids that characterizes their resistance to flow in a heat exchanger.

Symbol: μ

Measurement: Dynamic ViscosityUnit: Pa*s

Note: Value should be greater than 0.

Fluid Viscosity at Tube Wall Temperature

Fluid Viscosity at Tube Wall Temperature is defined at the temperature of the wall of pipe or Tube at which the fluid is in contact with it.

Symbol: μ_W

Measurement: Dynamic ViscosityUnit: Pa*s

Note: Value should be greater than 0.

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Created by Rishi Vadodaria

Malviya National Institute Of Technology (MNIT JAIPUR ), JAIPUR

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Verified by Prerana Bakli

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h average = 0.926 \cdot k f \cdot {((\frac{ρ f}{μ}) \cdot (ρ f - ρ V) \cdot [g] \cdot (π \cdot D i \cdot \frac{N t}{M f}))}^{\frac{1}{3}}

Go Heat Transfer Coefficient for Condensation Outside Horizontal Tubes

h average = 0.95 \cdot k f \cdot ({(ρ f \cdot (ρ f - ρ V) \cdot (\frac{[g]}{μ}) \cdot (N t \cdot \frac{L t}{M f}))}^{\frac{1}{3}}) \cdot ({N Vertical}^{- \frac{1}{6}})

See More

How to Evaluate Heat Transfer Coefficient for Plate Heat Exchanger?

Heat Transfer Coefficient for Plate Heat Exchanger evaluator uses Plate Film Coefficient = 0.26*(Thermal Conductivity in Heat Exchanger/Equivalent Diameter in Heat Exchanger)*(Reynold Number for Fluid^0.65)*(Prandlt Number for Fluid^0.4)*(Fluid Viscosity at Average Temperature/Fluid Viscosity at Tube Wall Temperature)^0.14 to evaluate the Plate Film Coefficient, The Heat Transfer Coefficient for Plate Heat Exchanger formula is defined for Plate type heat exchanger. Heat transfer coefficient determines the ease of heat transfer in a heat exchanger. Plate Film Coefficient is denoted by h_p symbol.

How to evaluate Heat Transfer Coefficient for Plate Heat Exchanger using this online evaluator? To use this online evaluator for Heat Transfer Coefficient for Plate Heat Exchanger, enter Thermal Conductivity in Heat Exchanger (k_f), Equivalent Diameter in Heat Exchanger (d_e), Reynold Number for Fluid (Re), Prandlt Number for Fluid (Pr), Fluid Viscosity at Average Temperature (μ) & Fluid Viscosity at Tube Wall Temperature (μ_W) and hit the calculate button.

FAQs on Heat Transfer Coefficient for Plate Heat Exchanger

What is the formula to find Heat Transfer Coefficient for Plate Heat Exchanger?

The formula of Heat Transfer Coefficient for Plate Heat Exchanger is expressed as Plate Film Coefficient = 0.26*(Thermal Conductivity in Heat Exchanger/Equivalent Diameter in Heat Exchanger)*(Reynold Number for Fluid^0.65)*(Prandlt Number for Fluid^0.4)*(Fluid Viscosity at Average Temperature/Fluid Viscosity at Tube Wall Temperature)^0.14. Here is an example- 5885.352 = 0.26*(3.4/0.0215)*(1000^0.65)*(3.27^0.4)*(1.005/1.006)^0.14.

How to calculate Heat Transfer Coefficient for Plate Heat Exchanger?

With Thermal Conductivity in Heat Exchanger (k_f), Equivalent Diameter in Heat Exchanger (d_e), Reynold Number for Fluid (Re), Prandlt Number for Fluid (Pr), Fluid Viscosity at Average Temperature (μ) & Fluid Viscosity at Tube Wall Temperature (μ_W) we can find Heat Transfer Coefficient for Plate Heat Exchanger using the formula - Plate Film Coefficient = 0.26*(Thermal Conductivity in Heat Exchanger/Equivalent Diameter in Heat Exchanger)*(Reynold Number for Fluid^0.65)*(Prandlt Number for Fluid^0.4)*(Fluid Viscosity at Average Temperature/Fluid Viscosity at Tube Wall Temperature)^0.14.

Can the Heat Transfer Coefficient for Plate Heat Exchanger be negative?

No, the Heat Transfer Coefficient for Plate Heat Exchanger, measured in Heat Transfer Coefficient cannot be negative.

Which unit is used to measure Heat Transfer Coefficient for Plate Heat Exchanger?

Heat Transfer Coefficient for Plate Heat Exchanger is usually measured using the Watt per Square Meter per Kelvin[W/m²*K] for Heat Transfer Coefficient. Watt per Square Meter per Celcius[W/m²*K], Joule per Second per Square Meter per Kelvin[W/m²*K], Kilocalorie (IT) per Hour per Square Foot per Celcius[W/m²*K] are the few other units in which Heat Transfer Coefficient for Plate Heat Exchanger can be measured.

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