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Heat Transfer Coefficient for Condensation Outside Vertical Tubes Formula

GoHeat Transfer Coefficient for Condensation Inside Vertical Tubes Formula

GoHeat Transfer Coefficient for Condensation Outside Horizontal Tubes Formula

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Average Condensation Coefficient is the mean heat transfer coefficient considering both inner and outer heat transfer during condensation. Check FAQs

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

h_average - Average Condensation Coefficient?k_f - Thermal Conductivity in Heat Exchanger?ρ_f - Fluid Density in Heat Transfer?μ - Fluid Viscosity at Average Temperature?ρ_V - Density of Vapor?D_O - Pipe Outer Dia?N_t - Number of Tubes in Heat Exchanger?M_f - Mass Flowrate in Heat Exchanger?[g] - Gravitational acceleration on Earth?π - Archimedes' constant?

Heat Transfer Coefficient for Condensation Outside Vertical Tubes Example

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Here is how the Heat Transfer Coefficient for Condensation Outside Vertical Tubes equation looks like with Values.

Here is how the Heat Transfer Coefficient for Condensation Outside Vertical Tubes equation looks like with Units.

Here is how the Heat Transfer Coefficient for Condensation Outside Vertical Tubes equation looks like.

773.0368 = 0.926 \cdot 3.4 \cdot {((\frac{995}{1.005}) \cdot (995 - 1.712) \cdot 9.8066 \cdot (3.1416 \cdot 19 \cdot \frac{360}{14}))}^{\frac{1}{3}}

773.0368W/m²*K = 0.926 \cdot 3.4W/(m*K) \cdot {((\frac{995kg/m³}{1.005Pa*s}) \cdot (995kg/m³ - 1.712kg/m³) \cdot 9.8066m/s² \cdot (3.1416 \cdot 19mm \cdot \frac{360}{14kg/s}))}^{\frac{1}{3}}

773.0368 = 0.926 \cdot 3.4 \cdot {((\frac{995}{1.005}) \cdot (995 - 1.712) \cdot 9.8066 \cdot (3.1416 \cdot 19 \cdot \frac{360}{14}))}^{\frac{1}{3}}

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Heat Transfer Coefficient for Condensation Outside Vertical Tubes Solution

Follow our step by step solution on how to calculate Heat Transfer Coefficient for Condensation Outside Vertical Tubes?

FIRST Step Consider the formula

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

Next Step Substitute values of Variables

∴

h average = 0.926 \cdot 3.4W/(m*K) \cdot {((\frac{995kg/m³}{1.005Pa*s}) \cdot (995kg/m³ - 1.712kg/m³) \cdot [g] \cdot (π \cdot 19mm \cdot \frac{360}{14kg/s}))}^{\frac{1}{3}}

Next Step Substitute values of Constants

∴

h average = 0.926 \cdot 3.4W/(m*K) \cdot {((\frac{995kg/m³}{1.005Pa*s}) \cdot (995kg/m³ - 1.712kg/m³) \cdot 9.8066m/s² \cdot (3.1416 \cdot 19mm \cdot \frac{360}{14kg/s}))}^{\frac{1}{3}}

Next Step Convert Units

∴

h average = 0.926 \cdot 3.4W/(m*K) \cdot {((\frac{995kg/m³}{1.005Pa*s}) \cdot (995kg/m³ - 1.712kg/m³) \cdot 9.8066m/s² \cdot (3.1416 \cdot 0.019m \cdot \frac{360}{14kg/s}))}^{\frac{1}{3}}

Next Step Prepare to Evaluate

∴

h average = 0.926 \cdot 3.4 \cdot {((\frac{995}{1.005}) \cdot (995 - 1.712) \cdot 9.8066 \cdot (3.1416 \cdot 0.019 \cdot \frac{360}{14}))}^{\frac{1}{3}}

Next Step Evaluate

∴

h average = 773.036815980312W/m²*K

LAST Step Rounding Answer

∴

h average = 773.0368W/m²*K

Heat Transfer Coefficient for Condensation Outside Vertical Tubes Formula Elements

Variables

Constants

Average Condensation Coefficient

Average Condensation Coefficient is the mean heat transfer coefficient considering both inner and outer heat transfer during condensation.

Symbol: h_average

Measurement: Heat Transfer CoefficientUnit: W/m²*K

Note: Value should be greater than 0.

Formulas to find Average Condensation Coefficient

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.

Formulas to find Thermal Conductivity in Heat Exchanger

Fluid Density in Heat Transfer

Fluid Density in Heat Transfer is defined as the ratio of mass of given fluid with respect to the volume that it occupies.

Symbol: ρ_f

Measurement: DensityUnit: kg/m³

Note: Value should be greater than 0.

Formulas to find Fluid Density in Heat Transfer

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.

Formulas to find Fluid Viscosity at Average Temperature

Density of Vapor

Density of Vapor is defined as the ratio of mass to the volume of vapor at particular temperature.

Symbol: ρ_V

Measurement: DensityUnit: kg/m³

Note: Value should be greater than 0.

Formulas to find Density of Vapor

Pipe Outer Dia

Pipe Outer Dia refers to the measurement of the outside or external diameter of a cylindrical pipe. It includes the pipe thickness into it.

Symbol: D_O

Measurement: LengthUnit: mm

Note: Value should be greater than 0.

Formulas to find Pipe Outer Dia

Number of Tubes in Heat Exchanger

Number of Tubes in Heat Exchanger refers to the count of individual tubes that form the heat transfer surface inside the heat exchanger.

Symbol: N_t

Measurement: NAUnit: Unitless

Note: Value should be greater than 0.

Formulas to find Number of Tubes in Heat Exchanger

Mass Flowrate in Heat Exchanger

Mass Flowrate in Heat Exchanger is the mass of a substance that passes per unit of time in a Heat Exchanger.

Symbol: M_f

Measurement: Mass Flow RateUnit: kg/s

Note: Value should be greater than 0.

Formulas to find Mass Flowrate in Heat Exchanger

Gravitational acceleration on Earth

Gravitational acceleration on Earth means that the velocity of an object in free fall will increase by 9.8 m/s2 every second.

Symbol: [g]

Value: 9.80665 m/s²

Archimedes' constant

Archimedes' constant is a mathematical constant that represents the ratio of the circumference of a circle to its diameter.

Symbol: π

Value: 3.14159265358979323846264338327950288

Other Formulas to find Average Condensation Coefficient

Go Heat Transfer Coefficient for Condensation Inside Vertical Tubes

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}})

Other formulas in Heat Transfer Coefficient in Heat Exchangers category

Go Heat Transfer Coefficient for Plate Heat Exchanger

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}

Go Heat Transfer Coefficient for Subcooling Inside Vertical Tubes

h sc inner = 7.5 \cdot {(4 \cdot (\frac{M f}{μ \cdot D i \cdot π}) \cdot (\frac{Cp \cdot {ρ f}^{2} \cdot {k f}^{2}}{μ}))}^{\frac{1}{3}}

How to Evaluate Heat Transfer Coefficient for Condensation Outside Vertical Tubes?

Heat Transfer Coefficient for Condensation Outside Vertical Tubes evaluator uses Average Condensation Coefficient = 0.926*Thermal Conductivity in Heat Exchanger*((Fluid Density in Heat Transfer/Fluid Viscosity at Average Temperature)*(Fluid Density in Heat Transfer-Density of Vapor)*[g]*(pi*Pipe Outer Dia*Number of Tubes in Heat Exchanger/Mass Flowrate in Heat Exchanger))^(1/3) to evaluate the Average Condensation Coefficient, The Heat Transfer Coefficient for Condensation Outside Vertical Tubes formula is defined as the film coefficient for heat transfer when the vapors are condensed outside a vertical tube into its liquid phase. Average Condensation Coefficient is denoted by h_average symbol.

How to evaluate Heat Transfer Coefficient for Condensation Outside Vertical Tubes using this online evaluator? To use this online evaluator for Heat Transfer Coefficient for Condensation Outside Vertical Tubes, enter Thermal Conductivity in Heat Exchanger (k_f), Fluid Density in Heat Transfer (ρ_f), Fluid Viscosity at Average Temperature (μ), Density of Vapor (ρ_V), Pipe Outer Dia (D_O), Number of Tubes in Heat Exchanger (N_t) & Mass Flowrate in Heat Exchanger (M_f) and hit the calculate button.

FAQs on Heat Transfer Coefficient for Condensation Outside Vertical Tubes

What is the formula to find Heat Transfer Coefficient for Condensation Outside Vertical Tubes?

The formula of Heat Transfer Coefficient for Condensation Outside Vertical Tubes is expressed as Average Condensation Coefficient = 0.926*Thermal Conductivity in Heat Exchanger*((Fluid Density in Heat Transfer/Fluid Viscosity at Average Temperature)*(Fluid Density in Heat Transfer-Density of Vapor)*[g]*(pi*Pipe Outer Dia*Number of Tubes in Heat Exchanger/Mass Flowrate in Heat Exchanger))^(1/3). Here is an example- 773.0373 = 0.926*3.4*((995/1.005)*(995-1.712)*[g]*(pi*0.019*360/14))^(1/3).

How to calculate Heat Transfer Coefficient for Condensation Outside Vertical Tubes?

With Thermal Conductivity in Heat Exchanger (k_f), Fluid Density in Heat Transfer (ρ_f), Fluid Viscosity at Average Temperature (μ), Density of Vapor (ρ_V), Pipe Outer Dia (D_O), Number of Tubes in Heat Exchanger (N_t) & Mass Flowrate in Heat Exchanger (M_f) we can find Heat Transfer Coefficient for Condensation Outside Vertical Tubes using the formula - Average Condensation Coefficient = 0.926*Thermal Conductivity in Heat Exchanger*((Fluid Density in Heat Transfer/Fluid Viscosity at Average Temperature)*(Fluid Density in Heat Transfer-Density of Vapor)*[g]*(pi*Pipe Outer Dia*Number of Tubes in Heat Exchanger/Mass Flowrate in Heat Exchanger))^(1/3). This formula also uses Gravitational acceleration on Earth, Archimedes' constant .

What are the other ways to Calculate Average Condensation Coefficient?

Here are the different ways to Calculate Average Condensation Coefficient-

Average Condensation Coefficient=0.926*Thermal Conductivity in Heat Exchanger*((Fluid Density in Heat Transfer/Fluid Viscosity at Average Temperature)*(Fluid Density in Heat Transfer-Density of Vapor)*[g]*(pi*Pipe Inner Diameter in Exchanger*Number of Tubes in Heat Exchanger/Mass Flowrate in Heat Exchanger))^(1/3)
Average Condensation Coefficient=0.95*Thermal Conductivity in Heat Exchanger*((Fluid Density in Heat Transfer*(Fluid Density in Heat Transfer-Density of Vapor)*([g]/Fluid Viscosity at Average Temperature)*(Number of Tubes in Heat Exchanger*Length of Tube in Heat Exchanger/Mass Flowrate in Heat Exchanger))^(1/3))*(Number of Tubes in Vertical Row of Exchanger^(-1/6))
Average Condensation Coefficient=0.926*Thermal Conductivity in Heat Exchanger*((Fluid Density in Heat Transfer)*(Fluid Density in Heat Transfer-Density of Vapor)*[g]/((Fluid Viscosity at Average Temperature*Tube Loading)))^(1/3)

Can the Heat Transfer Coefficient for Condensation Outside Vertical Tubes be negative?

No, the Heat Transfer Coefficient for Condensation Outside Vertical Tubes, measured in Heat Transfer Coefficient cannot be negative.

Which unit is used to measure Heat Transfer Coefficient for Condensation Outside Vertical Tubes?

Heat Transfer Coefficient for Condensation Outside Vertical Tubes 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 Condensation Outside Vertical Tubes can be measured.

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Heat Transfer Coefficient for Condensation Outside Vertical Tubes Formula

​GoHeat Transfer Coefficient for Condensation Inside Vertical Tubes Formula

​GoHeat Transfer Coefficient for Condensation Outside Horizontal Tubes Formula

Heat Transfer Coefficient for Condensation Outside Vertical Tubes Example

Heat Transfer Coefficient for Condensation Outside Vertical Tubes Solution

Heat Transfer Coefficient for Condensation Outside Vertical Tubes Formula Elements

Other Formulas to find Average Condensation Coefficient

Other formulas in Heat Transfer Coefficient in Heat Exchangers category

How to Evaluate Heat Transfer Coefficient for Condensation Outside Vertical Tubes?

FAQs on Heat Transfer Coefficient for Condensation Outside Vertical Tubes

Variable Name

GoHeat Transfer Coefficient for Condensation Inside Vertical Tubes Formula

GoHeat Transfer Coefficient for Condensation Outside Horizontal Tubes Formula