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Overall Coefficient of Heat Transfer for Condensation on Vertical Surface Formula

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

U = 0.943 \cdot {(\frac{(k^{3}) \cdot (ρ f - ρv) \cdot g \cdot h fg}{μ f \cdot H \cdot ΔT})}^{\frac{1}{4}}

U - Overall Heat Transfer Coefficient?k - Thermal Conductivity?ρ_f - Density of Liquid Condensate?ρv - Density?g - Acceleration due to Gravity?h_fg - Latent Heat of Vaporization?μ_f - Viscosity of Film?H - Height of Surface?ΔT - Temperature Difference?

Overall Coefficient of Heat Transfer for Condensation on Vertical Surface Example

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Here is how the Overall Coefficient of Heat Transfer for Condensation on Vertical Surface equation looks like with Values.

Here is how the Overall Coefficient of Heat Transfer for Condensation on Vertical Surface equation looks like with Units.

Here is how the Overall Coefficient of Heat Transfer for Condensation on Vertical Surface equation looks like.

641.1352 = 0.943 \cdot {(\frac{({10.18}^{3}) \cdot (10 - 0.002) \cdot 9.8 \cdot 2260}{0.029 \cdot 1300 \cdot 29})}^{\frac{1}{4}}

641.1352W/m²*K = 0.943 \cdot {(\frac{({10.18W/(m*K)}^{3}) \cdot (10kg/m³ - 0.002kg/m³) \cdot 9.8m/s² \cdot 2260kJ/kg}{0.029N*s/m² \cdot 1300mm \cdot 29K})}^{\frac{1}{4}}

641.1352 = 0.943 \cdot {(\frac{({10.18}^{3}) \cdot (10 - 0.002) \cdot 9.8 \cdot 2260}{0.029 \cdot 1300 \cdot 29})}^{\frac{1}{4}}

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Overall Coefficient of Heat Transfer for Condensation on Vertical Surface Solution

Follow our step by step solution on how to calculate Overall Coefficient of Heat Transfer for Condensation on Vertical Surface?

FIRST Step Consider the formula

U = 0.943 \cdot {(\frac{(k^{3}) \cdot (ρ f - ρv) \cdot g \cdot h fg}{μ f \cdot H \cdot ΔT})}^{\frac{1}{4}}

Next Step Substitute values of Variables

∴

U = 0.943 \cdot {(\frac{({10.18W/(m*K)}^{3}) \cdot (10kg/m³ - 0.002kg/m³) \cdot 9.8m/s² \cdot 2260kJ/kg}{0.029N*s/m² \cdot 1300mm \cdot 29K})}^{\frac{1}{4}}

Next Step Convert Units

∴

U = 0.943 \cdot {(\frac{({10.18W/(m*K)}^{3}) \cdot (10kg/m³ - 0.002kg/m³) \cdot 9.8m/s² \cdot 2.3E+6J/kg}{0.029Pa*s \cdot 1.3m \cdot 29K})}^{\frac{1}{4}}

Next Step Prepare to Evaluate

∴

U = 0.943 \cdot {(\frac{({10.18}^{3}) \cdot (10 - 0.002) \cdot 9.8 \cdot 2.3E+6}{0.029 \cdot 1.3 \cdot 29})}^{\frac{1}{4}}

Next Step Evaluate

∴

U = 641.135169860697W/m²*K

LAST Step Rounding Answer

∴

U = 641.1352W/m²*K

Overall Coefficient of Heat Transfer for Condensation on Vertical Surface Formula Elements

Variables

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

Thermal Conductivity

Thermal Conductivity is rate of heat passes through specified material, expressed as amount of heat flows per unit time through a unit area with a temperature gradient of one degree per unit distance.

Symbol: k

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

Note: Value should be greater than 0.

Formulas to find Thermal Conductivity

Density of Liquid Condensate

The Density of Liquid Condensate is the mass of a unit volume of the liquid condensate.

Symbol: ρ_f

Measurement: DensityUnit: kg/m³

Note: Value can be positive or negative.

Formulas to find Density of Liquid Condensate

Density

Density is mass of a unit volume of a material substance.

Symbol: ρv

Measurement: DensityUnit: kg/m³

Note: Value can be positive or negative.

Formulas to find Density

Acceleration due to Gravity

Acceleration due to Gravity is acceleration gained by an object because of gravitational force.

Symbol: g

Measurement: AccelerationUnit: m/s²

Note: Value should be greater than 0.

Formulas to find Acceleration due to Gravity

Latent Heat of Vaporization

Latent heat of vaporization is defined as the heat required to change one mole of liquid at its boiling point under standard atmospheric pressure.

Symbol: h_fg

Measurement: Latent HeatUnit: kJ/kg

Note: Value should be greater than 0.

Formulas to find Latent Heat of Vaporization

Viscosity of Film

Viscosity of Film is a measure of its resistance to deformation at a given rate.

Symbol: μ_f

Measurement: Dynamic ViscosityUnit: N*s/m²

Note: Value should be greater than 0.

Formulas to find Viscosity of Film

Height of Surface

Height of Surface is the distance between the lowest and highest points of a person/ shape/ object standing upright.

Symbol: H

Measurement: LengthUnit: mm

Note: Value should be greater than 0.

Formulas to find Height of Surface

Temperature Difference

Temperature Difference is the measure of the hotness or the coldness of an object.

Symbol: ΔT

Measurement: Temperature DifferenceUnit: K

Note: Value can be positive or negative.

Formulas to find Temperature Difference

Other formulas in Heat Transfer category

Go Heat Rejection Factor

HRF = \frac{R E + W}{R E}

Go Heat Rejection Factor given COP

HRF = 1 + (\frac{1}{COP r})

How to Evaluate Overall Coefficient of Heat Transfer for Condensation on Vertical Surface?

Overall Coefficient of Heat Transfer for Condensation on Vertical Surface evaluator uses Overall Heat Transfer Coefficient = 0.943*(((Thermal Conductivity^3)*(Density of Liquid Condensate-Density)*Acceleration due to Gravity*Latent Heat of Vaporization)/(Viscosity of Film*Height of Surface*Temperature Difference))^(1/4) to evaluate the Overall Heat Transfer Coefficient, Overall Coefficient of Heat Transfer for Condensation on Vertical Surface formula is defined as a measure of the rate of heat transfer between a vertical surface and a condensing fluid, taking into account the physical properties of the fluid and the surface. It is a crucial parameter in designing and optimizing heat transfer systems, particularly in condenser design and performance evaluation. Overall Heat Transfer Coefficient is denoted by U symbol.

How to evaluate Overall Coefficient of Heat Transfer for Condensation on Vertical Surface using this online evaluator? To use this online evaluator for Overall Coefficient of Heat Transfer for Condensation on Vertical Surface, enter Thermal Conductivity (k), Density of Liquid Condensate (ρ_f), Density (ρv), Acceleration due to Gravity (g), Latent Heat of Vaporization (h_fg), Viscosity of Film (μ_f), Height of Surface (H) & Temperature Difference (ΔT) and hit the calculate button.

FAQs on Overall Coefficient of Heat Transfer for Condensation on Vertical Surface

What is the formula to find Overall Coefficient of Heat Transfer for Condensation on Vertical Surface?

The formula of Overall Coefficient of Heat Transfer for Condensation on Vertical Surface is expressed as Overall Heat Transfer Coefficient = 0.943*(((Thermal Conductivity^3)*(Density of Liquid Condensate-Density)*Acceleration due to Gravity*Latent Heat of Vaporization)/(Viscosity of Film*Height of Surface*Temperature Difference))^(1/4). Here is an example- 641.1352 = 0.943*(((10.18^3)*(10-0.002)*9.8*2260000)/(0.029*1.3*29))^(1/4).

How to calculate Overall Coefficient of Heat Transfer for Condensation on Vertical Surface?

With Thermal Conductivity (k), Density of Liquid Condensate (ρ_f), Density (ρv), Acceleration due to Gravity (g), Latent Heat of Vaporization (h_fg), Viscosity of Film (μ_f), Height of Surface (H) & Temperature Difference (ΔT) we can find Overall Coefficient of Heat Transfer for Condensation on Vertical Surface using the formula - Overall Heat Transfer Coefficient = 0.943*(((Thermal Conductivity^3)*(Density of Liquid Condensate-Density)*Acceleration due to Gravity*Latent Heat of Vaporization)/(Viscosity of Film*Height of Surface*Temperature Difference))^(1/4).

Can the Overall Coefficient of Heat Transfer for Condensation on Vertical Surface be negative?

No, the Overall Coefficient of Heat Transfer for Condensation on Vertical Surface, measured in Heat Transfer Coefficient cannot be negative.

Which unit is used to measure Overall Coefficient of Heat Transfer for Condensation on Vertical Surface?

Overall Coefficient of Heat Transfer for Condensation on Vertical Surface 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 Overall Coefficient of Heat Transfer for Condensation on Vertical Surface can be measured.

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Overall Coefficient of Heat Transfer for Condensation on Vertical Surface Formula

Overall Coefficient of Heat Transfer for Condensation on Vertical Surface Example

Overall Coefficient of Heat Transfer for Condensation on Vertical Surface Solution

Overall Coefficient of Heat Transfer for Condensation on Vertical Surface Formula Elements

Other formulas in Heat Transfer category

How to Evaluate Overall Coefficient of Heat Transfer for Condensation on Vertical Surface?

FAQs on Overall Coefficient of Heat Transfer for Condensation on Vertical Surface

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