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Heat Transfer Coefficient for Subcooling Outside Horizontal Tubes Formula

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Subcooling Coefficient is the heat transfer coefficient when the condensed vapor is further subcooled to lower temperature in a condenser. Check FAQs

h sc = 116 \cdot {(({k f}^{3}) \cdot (\frac{ρ f}{D O}) \cdot (\frac{Cp}{μ}) \cdot β \cdot (T Film - T Bulk))}^{0.25}

h_sc - Subcooling Coefficient?k_f - Thermal Conductivity in Heat Exchanger?ρ_f - Fluid Density in Heat Transfer?D_O - Pipe Outer Dia?Cp - Specific Heat Capacity?μ - Fluid Viscosity at Average Temperature?β - Thermal Expansion Coefficient for Fluid?T_Film - Film Temperature?T_Bulk - Bulk Fluid Temperature?

Heat Transfer Coefficient for Subcooling Outside Horizontal Tubes Example

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

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

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

4116.5725 = 116 \cdot {(({3.4}^{3}) \cdot (\frac{995}{19}) \cdot (\frac{4.186}{1.005}) \cdot 0.005 \cdot (100 - 63))}^{0.25}

4116.5725W/m²*K = 116 \cdot {(({3.4W/(m*K)}^{3}) \cdot (\frac{995kg/m³}{19mm}) \cdot (\frac{4.186J/(kg*K)}{1.005Pa*s}) \cdot 0.005K⁻¹ \cdot (100°C - 63°C))}^{0.25}

4116.5725 = 116 \cdot {(({3.4}^{3}) \cdot (\frac{995}{19}) \cdot (\frac{4.186}{1.005}) \cdot 0.005 \cdot (100 - 63))}^{0.25}

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Heat Transfer Coefficient for Subcooling Outside Horizontal Tubes Solution

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

FIRST Step Consider the formula

h sc = 116 \cdot {(({k f}^{3}) \cdot (\frac{ρ f}{D O}) \cdot (\frac{Cp}{μ}) \cdot β \cdot (T Film - T Bulk))}^{0.25}

Next Step Substitute values of Variables

∴

h sc = 116 \cdot {(({3.4W/(m*K)}^{3}) \cdot (\frac{995kg/m³}{19mm}) \cdot (\frac{4.186J/(kg*K)}{1.005Pa*s}) \cdot 0.005K⁻¹ \cdot (100°C - 63°C))}^{0.25}

Next Step Convert Units

∴

h sc = 116 \cdot {(({3.4W/(m*K)}^{3}) \cdot (\frac{995kg/m³}{0.019m}) \cdot (\frac{4.186J/(kg*K)}{1.005Pa*s}) \cdot 0.005K⁻¹ \cdot (373.15K - 336.15K))}^{0.25}

Next Step Prepare to Evaluate

∴

h sc = 116 \cdot {(({3.4}^{3}) \cdot (\frac{995}{0.019}) \cdot (\frac{4.186}{1.005}) \cdot 0.005 \cdot (373.15 - 336.15))}^{0.25}

Next Step Evaluate

∴

h sc = 4116.5725106467W/m²*K

LAST Step Rounding Answer

∴

h sc = 4116.5725W/m²*K

Heat Transfer Coefficient for Subcooling Outside Horizontal Tubes Formula Elements

Variables

Subcooling Coefficient

Subcooling Coefficient is the heat transfer coefficient when the condensed vapor is further subcooled to lower temperature in a condenser.

Symbol: h_sc

Measurement: Heat Transfer CoefficientUnit: W/m²*K

Note: Value should be greater than 0.

Formulas to find Subcooling 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

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

Specific Heat Capacity

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.

Symbol: Cp

Measurement: Specific Heat CapacityUnit: J/(kg*K)

Note: Value should be greater than 0.

Formulas to find Specific Heat Capacity

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

Thermal Expansion Coefficient for Fluid

Thermal Expansion Coefficient for fluid is defined as change in volume of a fluid with temperature variations at constant pressure.

Symbol: β

Measurement: Thermal ExpansionUnit: K⁻¹

Note: Value should be greater than 0.

Formulas to find Thermal Expansion Coefficient for Fluid

Film Temperature

Film temperature is used as an intermediate parameter to estimate the convective heat transfer coefficient in a heat exchanger.

Symbol: T_Film

Measurement: TemperatureUnit: °C

Note: Value can be positive or negative.

Formulas to find Film Temperature

Bulk Fluid Temperature

Bulk Fluid Temperature is average temperature of a fluid at a particular location or within a specific volume in a fluid flow system.

Symbol: T_Bulk

Measurement: TemperatureUnit: °C

Note: Value can be positive or negative.

Formulas to find Bulk Fluid Temperature

Other formulas in Heat Transfer Coefficient in Heat Exchangers category

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}})

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

Heat Transfer Coefficient for Subcooling Outside Horizontal Tubes evaluator 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 evaluate 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 evaluate Heat Transfer Coefficient for Subcooling Outside Horizontal Tubes using this online evaluator? To use this online evaluator 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.

FAQs on Heat Transfer Coefficient for Subcooling Outside Horizontal Tubes

What is the formula to find Heat Transfer Coefficient for Subcooling Outside Horizontal Tubes?

The formula of Heat Transfer Coefficient for Subcooling Outside Horizontal Tubes is expressed as 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. Here is an example- 4116.573 = 116*((3.4^3)*(995/0.019)*(4.186/1.005)*0.005*(373.15-336.15))^0.25.

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

With 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) we can find Heat Transfer Coefficient for Subcooling Outside Horizontal Tubes using the formula - 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.

Can the Heat Transfer Coefficient for Subcooling Outside Horizontal Tubes be negative?

No, the Heat Transfer Coefficient for Subcooling Outside Horizontal Tubes, measured in Heat Transfer Coefficient cannot be negative.

Which unit is used to measure Heat Transfer Coefficient for Subcooling Outside Horizontal Tubes?

Heat Transfer Coefficient for Subcooling 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 Subcooling Outside Horizontal Tubes can be measured.

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Heat Transfer Coefficient for Subcooling Outside Horizontal Tubes Formula

Heat Transfer Coefficient for Subcooling Outside Horizontal Tubes Example

Heat Transfer Coefficient for Subcooling Outside Horizontal Tubes Solution

Heat Transfer Coefficient for Subcooling Outside Horizontal Tubes Formula Elements

Other formulas in Heat Transfer Coefficient in Heat Exchangers category

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

FAQs on Heat Transfer Coefficient for Subcooling Outside Horizontal Tubes

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