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Heat Transfer Coefficient for Subcooling Inside Vertical Tubes Formula

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

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}}

h_{sc inner} - Inside Subcooling Coefficient?M_f - Mass Flowrate in Heat Exchanger?μ - Fluid Viscosity at Average Temperature?D_i - Pipe Inner Diameter in Exchanger?Cp - Specific Heat Capacity?ρ_f - Fluid Density in Heat Transfer?k_f - Thermal Conductivity in Heat Exchanger?π - Archimedes' constant?

Heat Transfer Coefficient for Subcooling Inside Vertical Tubes Example

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

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

Here is how the Heat Transfer Coefficient for Subcooling Inside Vertical Tubes equation looks like.

31419.4371 = 7.5 \cdot {(4 \cdot (\frac{14}{1.005 \cdot 11.5 \cdot 3.1416}) \cdot (\frac{4.186 \cdot 995^{2} \cdot {3.4}^{2}}{1.005}))}^{\frac{1}{3}}

31419.4371W/m²*K = 7.5 \cdot {(4 \cdot (\frac{14kg/s}{1.005Pa*s \cdot 11.5mm \cdot 3.1416}) \cdot (\frac{4.186J/(kg*K) \cdot {995kg/m³}^{2} \cdot {3.4W/(m*K)}^{2}}{1.005Pa*s}))}^{\frac{1}{3}}

31419.4371 = 7.5 \cdot {(4 \cdot (\frac{14}{1.005 \cdot 11.5 \cdot 3.1416}) \cdot (\frac{4.186 \cdot 995^{2} \cdot {3.4}^{2}}{1.005}))}^{\frac{1}{3}}

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Heat Transfer Coefficient for Subcooling Inside Vertical Tubes Solution

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

FIRST Step Consider the formula

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}}

Next Step Substitute values of Variables

∴

h sc inner = 7.5 \cdot {(4 \cdot (\frac{14kg/s}{1.005Pa*s \cdot 11.5mm \cdot π}) \cdot (\frac{4.186J/(kg*K) \cdot {995kg/m³}^{2} \cdot {3.4W/(m*K)}^{2}}{1.005Pa*s}))}^{\frac{1}{3}}

Next Step Substitute values of Constants

∴

h sc inner = 7.5 \cdot {(4 \cdot (\frac{14kg/s}{1.005Pa*s \cdot 11.5mm \cdot 3.1416}) \cdot (\frac{4.186J/(kg*K) \cdot {995kg/m³}^{2} \cdot {3.4W/(m*K)}^{2}}{1.005Pa*s}))}^{\frac{1}{3}}

Next Step Convert Units

∴

h sc inner = 7.5 \cdot {(4 \cdot (\frac{14kg/s}{1.005Pa*s \cdot 0.0115m \cdot 3.1416}) \cdot (\frac{4.186J/(kg*K) \cdot {995kg/m³}^{2} \cdot {3.4W/(m*K)}^{2}}{1.005Pa*s}))}^{\frac{1}{3}}

Next Step Prepare to Evaluate

∴

h sc inner = 7.5 \cdot {(4 \cdot (\frac{14}{1.005 \cdot 0.0115 \cdot 3.1416}) \cdot (\frac{4.186 \cdot 995^{2} \cdot {3.4}^{2}}{1.005}))}^{\frac{1}{3}}

Next Step Evaluate

∴

h sc inner = 31419.4370975165W/m²*K

LAST Step Rounding Answer

∴

h sc inner = 31419.4371W/m²*K

Heat Transfer Coefficient for Subcooling Inside Vertical Tubes Formula Elements

Variables

Constants

Inside Subcooling Coefficient

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

Symbol: h_{sc inner}

Measurement: Heat Transfer CoefficientUnit: W/m²*K

Note: Value should be greater than 0.

Formulas to find Inside Subcooling Coefficient

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

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

Pipe Inner Diameter in Exchanger

Pipe Inner Diameter in Exchanger is the inner diameter where in the flow of fluid takes place. Pipe thickness is not taken into account.

Symbol: D_i

Measurement: LengthUnit: mm

Note: Value should be greater than 0.

Formulas to find Pipe Inner Diameter in Exchanger

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 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

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

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 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 Inside Vertical Tubes?

Heat Transfer Coefficient for Subcooling Inside Vertical Tubes evaluator uses 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) to evaluate the Inside Subcooling Coefficient, The Heat Transfer Coefficient for Subcooling Inside Vertical Tubes formula is defined as the film coefficient when the vapors are condensed inside a vertical tube and the corresponding liquid phase is further subcooled. Inside Subcooling Coefficient is denoted by h_{sc inner} symbol.

How to evaluate Heat Transfer Coefficient for Subcooling Inside Vertical Tubes using this online evaluator? To use this online evaluator for Heat Transfer Coefficient for Subcooling Inside Vertical Tubes, enter Mass Flowrate in Heat Exchanger (M_f), Fluid Viscosity at Average Temperature (μ), Pipe Inner Diameter in Exchanger (D_i), Specific Heat Capacity (Cp), Fluid Density in Heat Transfer (ρ_f) & Thermal Conductivity in Heat Exchanger (k_f) and hit the calculate button.

FAQs on Heat Transfer Coefficient for Subcooling Inside Vertical Tubes

What is the formula to find Heat Transfer Coefficient for Subcooling Inside Vertical Tubes?

The formula of Heat Transfer Coefficient for Subcooling Inside Vertical Tubes is expressed as 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). Here is an example- 31419.44 = 7.5*(4*(14/(1.005*0.0115*pi))*((4.186*995^2*3.4^2)/1.005))^(1/3).

How to calculate Heat Transfer Coefficient for Subcooling Inside Vertical Tubes?

With Mass Flowrate in Heat Exchanger (M_f), Fluid Viscosity at Average Temperature (μ), Pipe Inner Diameter in Exchanger (D_i), Specific Heat Capacity (Cp), Fluid Density in Heat Transfer (ρ_f) & Thermal Conductivity in Heat Exchanger (k_f) we can find Heat Transfer Coefficient for Subcooling Inside Vertical Tubes using the formula - 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). This formula also uses Archimedes' constant .

Can the Heat Transfer Coefficient for Subcooling Inside Vertical Tubes be negative?

No, the Heat Transfer Coefficient for Subcooling Inside Vertical Tubes, measured in Heat Transfer Coefficient cannot be negative.

Which unit is used to measure Heat Transfer Coefficient for Subcooling Inside Vertical Tubes?

Heat Transfer Coefficient for Subcooling Inside 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 Subcooling Inside Vertical Tubes can be measured.

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Heat Transfer Coefficient for Subcooling Inside Vertical Tubes Formula

Heat Transfer Coefficient for Subcooling Inside Vertical Tubes Example

Heat Transfer Coefficient for Subcooling Inside Vertical Tubes Solution

Heat Transfer Coefficient for Subcooling Inside Vertical Tubes Formula Elements

Other formulas in Heat Transfer Coefficient in Heat Exchangers category

How to Evaluate Heat Transfer Coefficient for Subcooling Inside Vertical Tubes?

FAQs on Heat Transfer Coefficient for Subcooling Inside Vertical Tubes

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