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Average Condensation Coefficient is the mean heat transfer coefficient considering both inner and outer heat transfer during condensation. Check FAQs
haverage=0.95kf((ρf(ρf-ρV)([g]μ)(NtLtMf))13)(NVertical-16)
haverage - Average Condensation Coefficient?kf - Thermal Conductivity in Heat Exchanger?ρf - Fluid Density in Heat Transfer?ρV - Density of Vapor?μ - Fluid Viscosity at Average Temperature?Nt - Number of Tubes in Heat Exchanger?Lt - Length of Tube in Heat Exchanger?Mf - Mass Flowrate in Heat Exchanger?NVertical - Number of Tubes in Vertical Row of Exchanger?[g] - Gravitational acceleration on Earth?

Heat Transfer Coefficient for Condensation Outside Horizontal Tubes Example

With values
With units
Only example

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

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

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

1317.8172Edit=0.953.4Edit((995Edit(995Edit-1.712Edit)(9.80661.005Edit)(360Edit4500Edit14Edit))13)(270Edit-16)
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Heat Transfer Coefficient for Condensation Outside Horizontal Tubes Solution

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

FIRST Step Consider the formula
haverage=0.95kf((ρf(ρf-ρV)([g]μ)(NtLtMf))13)(NVertical-16)
Next Step Substitute values of Variables
haverage=0.953.4W/(m*K)((995kg/m³(995kg/m³-1.712kg/m³)([g]1.005Pa*s)(3604500mm14kg/s))13)(270-16)
Next Step Substitute values of Constants
haverage=0.953.4W/(m*K)((995kg/m³(995kg/m³-1.712kg/m³)(9.8066m/s²1.005Pa*s)(3604500mm14kg/s))13)(270-16)
Next Step Convert Units
haverage=0.953.4W/(m*K)((995kg/m³(995kg/m³-1.712kg/m³)(9.8066m/s²1.005Pa*s)(3604.5m14kg/s))13)(270-16)
Next Step Prepare to Evaluate
haverage=0.953.4((995(995-1.712)(9.80661.005)(3604.514))13)(270-16)
Next Step Evaluate
haverage=1317.81723263612W/m²*K
LAST Step Rounding Answer
haverage=1317.8172W/m²*K

Heat Transfer Coefficient for Condensation Outside Horizontal 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: haverage
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: kf
Measurement: Thermal ConductivityUnit: W/(m*K)
Note: Value should be greater than 0.
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: ρf
Measurement: DensityUnit: kg/m³
Note: Value should be greater than 0.
Density of Vapor
Density of Vapor is defined as the ratio of mass to the volume of vapor at particular temperature.
Symbol: ρV
Measurement: DensityUnit: kg/m³
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.
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: Nt
Measurement: NAUnit: Unitless
Note: Value should be greater than 0.
Length of Tube in Heat Exchanger
Length of tube in Heat Exchanger is the length which will be used during heat transfer in a heat exchanger.
Symbol: Lt
Measurement: LengthUnit: mm
Note: Value should be greater than 0.
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: Mf
Measurement: Mass Flow RateUnit: kg/s
Note: Value should be greater than 0.
Number of Tubes in Vertical Row of Exchanger
Number of Tubes in Vertical Row of Exchanger is defined as the tube count that are aligned in the vertical position just in center of the bundle layout of tubes.
Symbol: NVertical
Measurement: NAUnit: Unitless
Note: Value should be greater than 0.
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

Other Formulas to find Average Condensation Coefficient

​Go Heat Transfer Coefficient for Condensation Inside Vertical Tubes
haverage=0.926kf((ρfμ)(ρf-ρV)[g](πDiNtMf))13
​Go Heat Transfer Coefficient for Condensation Outside Vertical Tubes
haverage=0.926kf((ρfμ)(ρf-ρV)[g](πDONtMf))13

Other formulas in Heat Transfer Coefficient in Heat Exchangers category

​Go Heat Transfer Coefficient for Plate Heat Exchanger
hp=0.26(kfde)(Re0.65)(Pr0.4)(μμW)0.14
​Go Heat Transfer Coefficient for Subcooling Inside Vertical Tubes
hsc inner=7.5(4(MfμDiπ)(Cpρf2kf2μ))13

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

Heat Transfer Coefficient for Condensation Outside Horizontal Tubes evaluator uses 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)) to evaluate the Average Condensation Coefficient, The Heat Transfer Coefficient for Condensation Outside Horizontal Tubes formula is defined When a vapor condenses on the outside surface of a horizontal tube, heat is transferred from the vapor to the tube wall. Average Condensation Coefficient is denoted by haverage symbol.

How to evaluate Heat Transfer Coefficient for Condensation Outside Horizontal Tubes using this online evaluator? To use this online evaluator for Heat Transfer Coefficient for Condensation Outside Horizontal Tubes, enter Thermal Conductivity in Heat Exchanger (kf), Fluid Density in Heat Transfer f), Density of Vapor V), Fluid Viscosity at Average Temperature (μ), Number of Tubes in Heat Exchanger (Nt), Length of Tube in Heat Exchanger (Lt), Mass Flowrate in Heat Exchanger (Mf) & Number of Tubes in Vertical Row of Exchanger (NVertical) and hit the calculate button.

FAQs on Heat Transfer Coefficient for Condensation Outside Horizontal Tubes

What is the formula to find Heat Transfer Coefficient for Condensation Outside Horizontal Tubes?
The formula of Heat Transfer Coefficient for Condensation Outside Horizontal Tubes is expressed as 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)). Here is an example- 1317.817 = 0.95*3.4*((995*(995-1.712)*([g]/1.005)*(360*4.5/14))^(1/3))*(270^(-1/6)).
How to calculate Heat Transfer Coefficient for Condensation Outside Horizontal Tubes?
With Thermal Conductivity in Heat Exchanger (kf), Fluid Density in Heat Transfer f), Density of Vapor V), Fluid Viscosity at Average Temperature (μ), Number of Tubes in Heat Exchanger (Nt), Length of Tube in Heat Exchanger (Lt), Mass Flowrate in Heat Exchanger (Mf) & Number of Tubes in Vertical Row of Exchanger (NVertical) we can find Heat Transfer Coefficient for Condensation Outside Horizontal Tubes using the formula - 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)). This formula also uses Gravitational acceleration on Earth constant(s).
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)OpenImg
  • 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)OpenImg
  • 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)OpenImg
Can the Heat Transfer Coefficient for Condensation Outside Horizontal Tubes be negative?
No, the Heat Transfer Coefficient for Condensation Outside Horizontal Tubes, measured in Heat Transfer Coefficient cannot be negative.
Which unit is used to measure Heat Transfer Coefficient for Condensation Outside Horizontal Tubes?
Heat Transfer Coefficient for Condensation Outside Horizontal 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 Horizontal Tubes can be measured.
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