Heat Transfer Coefficient for Subcooling Outside Horizontal Tubes Calculator

✖Thermal Conductivity in Heat Exchanger is the proportionality constant for the heat flux during conduction heat transfer in a heat exchanger.ⓘ Thermal Conductivity in Heat Exchanger [k_f]			+10% -10%
✖Fluid Density in Heat Transfer is defined as the ratio of mass of given fluid with respect to the volume that it occupies.ⓘ Fluid Density in Heat Transfer [ρ_f]			+10% -10%
✖Pipe Outer Dia refers to the measurement of the outside or external diameter of a cylindrical pipe. It includes the pipe thickness into it.ⓘ Pipe Outer Dia [D_O]			+10% -10%
✖Specific heat capacity is the amount of energy required in order to raise the temperature of a unit mass by a unit degree in temperature.ⓘ Specific Heat Capacity [Cp]			+10% -10%
✖Fluid viscosity at Average Temperature in Heat Exchanger is a fundamental property of fluids that characterizes their resistance to flow in a heat exchanger.ⓘ Fluid Viscosity at Average Temperature [μ]			+10% -10%
✖Thermal Expansion Coefficient for fluid is defined as change in volume of a fluid with temperature variations at constant pressure.ⓘ Thermal Expansion Coefficient for Fluid [β]			+10% -10%
✖Film temperature is used as an intermediate parameter to estimate the convective heat transfer coefficient in a heat exchanger.ⓘ Film Temperature [T_Film]			+10% -10%
✖Bulk Fluid Temperature is average temperature of a fluid at a particular location or within a specific volume in a fluid flow system.ⓘ Bulk Fluid Temperature [T_Bulk]			+10% -10%

✖Subcooling Coefficient is the heat transfer coefficient when the condensed vapor is further subcooled to lower temperature in a condenser.ⓘ Heat Transfer Coefficient for Subcooling Outside Horizontal Tubes [h_sc]

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Heat Transfer Coefficient for Subcooling Outside Horizontal Tubes

Formula

`"h"_{"sc"} = 116*(("k"_{"f"}^3)*("ρ"_{"f"}/"D"_{"O"})*("Cp"/"μ")*"β"*("T"_{"Film"}-"T"_{"Bulk"}))^0.25`

Example

`"4116.573W/m²*K"=116*((("3.4W/(m*K)")^3)*("995kg/m³"/"19mm")*("4.186J/(kg*K)"/"1.005Pa*s")*"0.005K⁻¹"*("100°C"-"63°C"))^0.25`

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Heat Transfer Coefficient for Subcooling Outside Horizontal Tubes Solution

STEP 0: Pre-Calculation Summary

Formula Used

Subcooling Coefficient = 116*((Thermal Conductivity in Heat Exchanger^3)*(Fluid Density in Heat Transfer/Pipe Outer Dia)*(Specific Heat Capacity/Fluid Viscosity at Average Temperature)*Thermal Expansion Coefficient for Fluid*(Film Temperature-Bulk Fluid Temperature))^0.25
h_sc = 116*((k_f^3)*(ρ_f/D_O)*(Cp/μ)*β*(T_Film-T_Bulk))^0.25
This formula uses 9 Variables

Variables Used

Subcooling Coefficient - (Measured in Watt per Square Meter per Kelvin) - Subcooling Coefficient is the heat transfer coefficient when the condensed vapor is further subcooled to lower temperature in a condenser.
Thermal Conductivity in Heat Exchanger - (Measured in Watt per Meter per K) - Thermal Conductivity in Heat Exchanger is the proportionality constant for the heat flux during conduction heat transfer in a heat exchanger.
Fluid Density in Heat Transfer - (Measured in Kilogram per Cubic Meter) - Fluid Density in Heat Transfer is defined as the ratio of mass of given fluid with respect to the volume that it occupies.
Pipe Outer Dia - (Measured in Meter) - Pipe Outer Dia refers to the measurement of the outside or external diameter of a cylindrical pipe. It includes the pipe thickness into it.
Specific Heat Capacity - (Measured in Joule per Kilogram per K) - Specific heat capacity is the amount of energy required in order to raise the temperature of a unit mass by a unit degree in temperature.
Fluid Viscosity at Average Temperature - (Measured in Pascal Second) - Fluid viscosity at Average Temperature in Heat Exchanger is a fundamental property of fluids that characterizes their resistance to flow in a heat exchanger.
Thermal Expansion Coefficient for Fluid - (Measured in 1 Per Kelvin) - Thermal Expansion Coefficient for fluid is defined as change in volume of a fluid with temperature variations at constant pressure.
Film Temperature - (Measured in Kelvin) - Film temperature is used as an intermediate parameter to estimate the convective heat transfer coefficient in a heat exchanger.
Bulk Fluid Temperature - (Measured in Kelvin) - Bulk Fluid Temperature is average temperature of a fluid at a particular location or within a specific volume in a fluid flow system.

STEP 1: Convert Input(s) to Base Unit

Thermal Conductivity in Heat Exchanger: 3.4 Watt per Meter per K --> 3.4 Watt per Meter per K No Conversion Required
Fluid Density in Heat Transfer: 995 Kilogram per Cubic Meter --> 995 Kilogram per Cubic Meter No Conversion Required
Pipe Outer Dia: 19 Millimeter --> 0.019 Meter (Check conversion here)
Specific Heat Capacity: 4.186 Joule per Kilogram per K --> 4.186 Joule per Kilogram per K No Conversion Required
Fluid Viscosity at Average Temperature: 1.005 Pascal Second --> 1.005 Pascal Second No Conversion Required
Thermal Expansion Coefficient for Fluid: 0.005 1 Per Kelvin --> 0.005 1 Per Kelvin No Conversion Required
Film Temperature: 100 Celsius --> 373.15 Kelvin (Check conversion here)
Bulk Fluid Temperature: 63 Celsius --> 336.15 Kelvin (Check conversion here)

STEP 2: Evaluate Formula

Substituting Input Values in Formula

h_sc = 116*((k_f^3)*(ρ_f/D_O)*(Cp/μ)*β*(T_Film-T_Bulk))^0.25 --> 116*((3.4^3)*(995/0.019)*(4.186/1.005)*0.005*(373.15-336.15))^0.25

Evaluating ... ...

h_sc = 4116.5725106467

STEP 3: Convert Result to Output's Unit

4116.5725106467 Watt per Square Meter per Kelvin --> No Conversion Required

FINAL ANSWER

4116.5725106467 ≈ 4116.573 Watt per Square Meter per Kelvin <-- Subcooling Coefficient

(Calculation completed in 00.004 seconds)

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Home » Engineering » Chemical Engineering » Process Equipment Design » Heat Exchangers » Heat Transfer Coefficient in Heat Exchangers » Heat Transfer Coefficient for Subcooling Outside Horizontal Tubes

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< 19 Heat Transfer Coefficient in Heat Exchangers Calculators

Heat Transfer Coefficient for Condensation Outside Horizontal Tubes

Go 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))

Heat Transfer Coefficient for Condensation Inside Vertical Tubes

Go 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)

Heat Transfer Coefficient for Condensation Outside Vertical Tubes

Go 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)

Maximum Heat Flux in Evaporation Process

Go Maximum Heat Flux = (pi/24)*Latent Heat of Vaporization*Vapor Density*(Interfacial Tension*([g]/Vapor Density^2)*(Fluid Density in Heat Transfer-Vapor Density))^(1/4)*((Fluid Density in Heat Transfer+Vapor Density)/(Fluid Density in Heat Transfer))^(1/2)

Heat Transfer Coefficient for Subcooling Inside Vertical Tubes

Go Inside Subcooling Coefficient = 7.5*(4*(Mass Flowrate in Heat Exchanger/(Fluid Viscosity at Average Temperature*Pipe Inner Diameter in Exchanger*pi))*((Specific Heat Capacity*Fluid Density in Heat Transfer^2*Thermal Conductivity in Heat Exchanger^2)/Fluid Viscosity at Average Temperature))^(1/3)

Heat Transfer Coefficient with Tube Loading for Condensation Outside Horizontal Tubes

Go 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*Horizontal Tube Loading))^(1/3))*(Number of Tubes in Vertical Row of Exchanger^(-1/6))

Heat Transfer Coefficient for Subcooling Outside Horizontal Tubes

Go Subcooling Coefficient = 116*((Thermal Conductivity in Heat Exchanger^3)*(Fluid Density in Heat Transfer/Pipe Outer Dia)*(Specific Heat Capacity/Fluid Viscosity at Average Temperature)*Thermal Expansion Coefficient for Fluid*(Film Temperature-Bulk Fluid Temperature))^0.25

Shell Side Heat Transfer Coefficient

Go Shell Side Heat Transfer Coefficient = Heat Transfer Factor*Reynold Number for Fluid*(Prandlt Number for Fluid^0.333)*(Thermal Conductivity in Heat Exchanger/Equivalent Diameter in Heat Exchanger)*(Fluid Viscosity at Average Temperature/Fluid Viscosity at Tube Wall Temperature)^0.14

Heat Transfer Coefficient with Tube Loading for Condensation Outside Vertical Tubes

Go 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*Outer Tube Loading)))^(1/3)

Heat Transfer Coefficient with Tube Loading for Condensation Inside Vertical Tubes

Heat Transfer Coefficient for Plate Heat Exchanger

Go 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

Heat Transfer Coefficient for Water in Tube Side in Shell and Tube Heat Exchanger

Go Tube Side Heat Transfer Coefficient = 4200*(1.35+0.02*(Water Temperature))*(Fluid Velocity in Heat Exchanger^0.8)/(Pipe Inner Diameter in Exchanger)^0.2

Vertical Tube Loading for Inside Condensation

Go Tube Loading = Condensate Flow/(Number of Tubes in Heat Exchanger*pi*Pipe Inner Diameter in Exchanger)

Vertical Tube Loading for Outside Condensation

Go Outer Tube Loading = Condensate Flow/(Number of Tubes in Heat Exchanger*pi*Pipe Outer Dia)

Length of Tubes in Horizontal Condenser given Tube Loading and Condensate Flowrate

Go Length of Tube in Heat Exchanger = Condensate Flow/(Number of Tubes in Heat Exchanger*Horizontal Tube Loading)

Number of Tubes in Horizontal Condenser given Condensate Flowrate and Tube Loading

Go Number of Tubes in Heat Exchanger = Condensate Flow/(Horizontal Tube Loading*Length of Tube in Heat Exchanger)

Horizontal Tube Loading for Outside Condensation

Go Horizontal Tube Loading = Condensate Flow/(Number of Tubes in Heat Exchanger*Length of Tube in Heat Exchanger)

Reynolds Number for Condensate Film given Tube Loading

Go Reynolds Number for Condensate Film = (4*Tube Loading)/(Fluid Viscosity at Average Temperature)

Vertical Tube Loading given Reynolds Number for Condensate Film

Go Tube Loading = (Reynolds Number for Condensate Film*Fluid Viscosity at Average Temperature)/4

Heat Transfer Coefficient for Subcooling Outside Horizontal Tubes Formula

What is a Condenser with Subcooling?

Horizontal Condenser with sub-cooling is a shell and tube heat exchanger in which the tube orientation is in Horizontal manner. When the vapors are allowed to condensed, the phase changes from gas to liquid. When this liquid is further cooled down to a much lower temperature, we call it as sub-cooling.

What is the significance of Horizontal Condensers?

In horizontal condenser with the vapors condensing over the tubes, the vapors are assigned on the shell side and during the heat transfer process, the condensed liquid forms a film all over the length of tube. The condensed liquid's temperature is further lowered and this phenomenon is called as the sub-cooling.

How to Calculate Heat Transfer Coefficient for Subcooling Outside Horizontal Tubes?

Heat Transfer Coefficient for Subcooling Outside Horizontal Tubes calculator uses Subcooling Coefficient = 116*((Thermal Conductivity in Heat Exchanger^3)*(Fluid Density in Heat Transfer/Pipe Outer Dia)*(Specific Heat Capacity/Fluid Viscosity at Average Temperature)*Thermal Expansion Coefficient for Fluid*(Film Temperature-Bulk Fluid Temperature))^0.25 to calculate the Subcooling Coefficient, The Heat Transfer Coefficient for Subcooling Outside Horizontal Tubes formula is defined when the vapors are condensed over the tubes placed horizontally and the condensed liquid is further subcooled to lower temperature in a shell and tube Condenser. Subcooling Coefficient is denoted by h_sc symbol.

How to calculate Heat Transfer Coefficient for Subcooling Outside Horizontal Tubes using this online calculator? To use this online calculator for Heat Transfer Coefficient for Subcooling Outside Horizontal Tubes, enter Thermal Conductivity in Heat Exchanger (k_f), Fluid Density in Heat Transfer (ρ_f), Pipe Outer Dia (D_O), Specific Heat Capacity (Cp), Fluid Viscosity at Average Temperature (μ), Thermal Expansion Coefficient for Fluid (β), Film Temperature (T_Film) & Bulk Fluid Temperature (T_Bulk) and hit the calculate button. Here is how the Heat Transfer Coefficient for Subcooling Outside Horizontal Tubes calculation can be explained with given input values -> 4116.573 = 116*((3.4^3)*(995/0.019)*(4.186/1.005)*0.005*(373.15-336.15))^0.25.

FAQ

What is Heat Transfer Coefficient for Subcooling Outside Horizontal Tubes?

The Heat Transfer Coefficient for Subcooling Outside Horizontal Tubes formula is defined when the vapors are condensed over the tubes placed horizontally and the condensed liquid is further subcooled to lower temperature in a shell and tube Condenser and is represented as h_sc = 116*((k_f^3)*(ρ_f/D_O)*(Cp/μ)*β*(T_Film-T_Bulk))^0.25 or Subcooling Coefficient = 116*((Thermal Conductivity in Heat Exchanger^3)*(Fluid Density in Heat Transfer/Pipe Outer Dia)*(Specific Heat Capacity/Fluid Viscosity at Average Temperature)*Thermal Expansion Coefficient for Fluid*(Film Temperature-Bulk Fluid Temperature))^0.25. Thermal Conductivity in Heat Exchanger is the proportionality constant for the heat flux during conduction heat transfer in a heat exchanger, Fluid Density in Heat Transfer is defined as the ratio of mass of given fluid with respect to the volume that it occupies, Pipe Outer Dia refers to the measurement of the outside or external diameter of a cylindrical pipe. It includes the pipe thickness into it, Specific heat capacity is the amount of energy required in order to raise the temperature of a unit mass by a unit degree in 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, Thermal Expansion Coefficient for fluid is defined as change in volume of a fluid with temperature variations at constant pressure, Film temperature is used as an intermediate parameter to estimate the convective heat transfer coefficient in a heat exchanger & Bulk Fluid Temperature is average temperature of a fluid at a particular location or within a specific volume in a fluid flow system.

How to calculate Heat Transfer Coefficient for Subcooling Outside Horizontal Tubes?

The Heat Transfer Coefficient for Subcooling Outside Horizontal Tubes formula is defined when the vapors are condensed over the tubes placed horizontally and the condensed liquid is further subcooled to lower temperature in a shell and tube Condenser is calculated using Subcooling Coefficient = 116*((Thermal Conductivity in Heat Exchanger^3)*(Fluid Density in Heat Transfer/Pipe Outer Dia)*(Specific Heat Capacity/Fluid Viscosity at Average Temperature)*Thermal Expansion Coefficient for Fluid*(Film Temperature-Bulk Fluid Temperature))^0.25. To calculate Heat Transfer Coefficient for Subcooling Outside Horizontal Tubes, you need Thermal Conductivity in Heat Exchanger (k_f), Fluid Density in Heat Transfer (ρ_f), Pipe Outer Dia (D_O), Specific Heat Capacity (Cp), Fluid Viscosity at Average Temperature (μ), Thermal Expansion Coefficient for Fluid (β), Film Temperature (T_Film) & Bulk Fluid Temperature (T_Bulk). With our tool, you need to enter the respective value for Thermal Conductivity in Heat Exchanger, Fluid Density in Heat Transfer, Pipe Outer Dia, Specific Heat Capacity, Fluid Viscosity at Average Temperature, Thermal Expansion Coefficient for Fluid, Film Temperature & Bulk Fluid Temperature and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.

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