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Reynolds Number for Condensate Film Outside Vertical Tubes in Heat Exchanger Formula

GoReynolds Number for Condensate Film Inside Vertical Tubes in Condenser Formula

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Reynold Number is defined as the ratio of inertial force to the viscous force of fluid. Check FAQs

Re = 4 \cdot \frac{M flow}{π \cdot D Outer \cdot N Tubes \cdot μ fluid}

Re - Reynold Number?M_flow - Mass Flowrate?D_Outer - Pipe Outer Diameter?N_Tubes - Number of Tubes?μ_fluid - Fluid Viscosity at Bulk Temperature?π - Archimedes' constant?

Reynolds Number for Condensate Film Outside Vertical Tubes in Heat Exchanger Example

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Here is how the Reynolds Number for Condensate Film Outside Vertical Tubes in Heat Exchanger equation looks like with Values.

Here is how the Reynolds Number for Condensate Film Outside Vertical Tubes in Heat Exchanger equation looks like with Units.

Here is how the Reynolds Number for Condensate Film Outside Vertical Tubes in Heat Exchanger equation looks like.

16.9729 = 4 \cdot \frac{14}{3.1416 \cdot 19 \cdot 55 \cdot 1.005}

16.9729 = 4 \cdot \frac{14kg/s}{3.1416 \cdot 19mm \cdot 55 \cdot 1.005Pa*s}

16.9729 = 4 \cdot \frac{14}{3.1416 \cdot 19 \cdot 55 \cdot 1.005}

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Reynolds Number for Condensate Film Outside Vertical Tubes in Heat Exchanger Solution

Follow our step by step solution on how to calculate Reynolds Number for Condensate Film Outside Vertical Tubes in Heat Exchanger?

FIRST Step Consider the formula

Re = 4 \cdot \frac{M flow}{π \cdot D Outer \cdot N Tubes \cdot μ fluid}

Next Step Substitute values of Variables

∴

Re = 4 \cdot \frac{14kg/s}{π \cdot 19mm \cdot 55 \cdot 1.005Pa*s}

Next Step Substitute values of Constants

∴

Re = 4 \cdot \frac{14kg/s}{3.1416 \cdot 19mm \cdot 55 \cdot 1.005Pa*s}

Next Step Convert Units

∴

Re = 4 \cdot \frac{14kg/s}{3.1416 \cdot 0.019m \cdot 55 \cdot 1.005Pa*s}

Next Step Prepare to Evaluate

∴

Re = 4 \cdot \frac{14}{3.1416 \cdot 0.019 \cdot 55 \cdot 1.005}

Next Step Evaluate

∴

Re = 16.9728902152322

LAST Step Rounding Answer

∴

Re = 16.9729

Reynolds Number for Condensate Film Outside Vertical Tubes in Heat Exchanger Formula Elements

Variables

Constants

Reynold Number

Reynold Number is defined as the ratio of inertial force to the viscous force of fluid.

Symbol: Re

Measurement: NAUnit: Unitless

Note: Value should be greater than 0.

Formulas to find Reynold Number

Mass Flowrate

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

Symbol: M_flow

Measurement: Mass Flow RateUnit: kg/s

Note: Value should be greater than 0.

Formulas to find Mass Flowrate

Pipe Outer Diameter

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

Symbol: D_Outer

Measurement: LengthUnit: mm

Note: Value should be greater than 0.

Formulas to find Pipe Outer Diameter

Number of Tubes

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

Symbol: N_Tubes

Measurement: NAUnit: Unitless

Note: Value should be greater than 0.

Formulas to find Number of Tubes

Fluid Viscosity at Bulk Temperature

Fluid viscosity at Bulk Temperature is a fundamental property of fluids that characterizes their resistance to flow. It is defined at the bulk temperature of the fluid.

Symbol: μ_fluid

Measurement: Dynamic ViscosityUnit: Pa*s

Note: Value should be greater than 0.

Formulas to find Fluid Viscosity at Bulk Temperature

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 Reynold Number

Go Reynolds Number for Condensate Film Inside Vertical Tubes in Condenser

Re = 4 \cdot \frac{M flow}{π \cdot D inner \cdot N Tubes \cdot μ fluid}

Other formulas in Basic Formulas of Heat Exchanger Designs category

Go Equivalent Diameter for Square Pitch in Heat Exchanger

D e = (\frac{1.27}{D Outer}) \cdot (({P Tube}^{2}) - 0.785 \cdot ({D Outer}^{2}))

Go Equivalent Diameter for Triangular Pitch in Heat Exchanger

D e = (\frac{1.10}{D Outer}) \cdot (({P Tube}^{2}) - 0.917 \cdot ({D Outer}^{2}))

Go Number of Baffles in Shell and Tube Heat Exchanger

N Baffles = (\frac{L Tube}{L Baffle}) - 1

Go Number of Tubes in Center Row Given Bundle Diameter and Tube Pitch

N r = \frac{D B}{P Tube}

How to Evaluate Reynolds Number for Condensate Film Outside Vertical Tubes in Heat Exchanger?

Reynolds Number for Condensate Film Outside Vertical Tubes in Heat Exchanger evaluator uses Reynold Number = 4*Mass Flowrate/(pi*Pipe Outer Diameter*Number of Tubes*Fluid Viscosity at Bulk Temperature) to evaluate the Reynold Number, The Reynolds Number for Condensate Film Outside Vertical Tubes In Heat Exchanger formula defines the presence of waves on the condensate film. The increase in this Reynolds number increases the heat transfer coefficient. Reynold Number is denoted by Re symbol.

How to evaluate Reynolds Number for Condensate Film Outside Vertical Tubes in Heat Exchanger using this online evaluator? To use this online evaluator for Reynolds Number for Condensate Film Outside Vertical Tubes in Heat Exchanger, enter Mass Flowrate (M_flow), Pipe Outer Diameter (D_Outer), Number of Tubes (N_Tubes) & Fluid Viscosity at Bulk Temperature (μ_fluid) and hit the calculate button.

FAQs on Reynolds Number for Condensate Film Outside Vertical Tubes in Heat Exchanger

What is the formula to find Reynolds Number for Condensate Film Outside Vertical Tubes in Heat Exchanger?

The formula of Reynolds Number for Condensate Film Outside Vertical Tubes in Heat Exchanger is expressed as Reynold Number = 4*Mass Flowrate/(pi*Pipe Outer Diameter*Number of Tubes*Fluid Viscosity at Bulk Temperature). Here is an example- 16.97289 = 4*14/(pi*0.019*55*1.005).

How to calculate Reynolds Number for Condensate Film Outside Vertical Tubes in Heat Exchanger?

With Mass Flowrate (M_flow), Pipe Outer Diameter (D_Outer), Number of Tubes (N_Tubes) & Fluid Viscosity at Bulk Temperature (μ_fluid) we can find Reynolds Number for Condensate Film Outside Vertical Tubes in Heat Exchanger using the formula - Reynold Number = 4*Mass Flowrate/(pi*Pipe Outer Diameter*Number of Tubes*Fluid Viscosity at Bulk Temperature). This formula also uses Archimedes' constant .

What are the other ways to Calculate Reynold Number?

Here are the different ways to Calculate Reynold Number-

Reynold Number=4*Mass Flowrate/(pi*Pipe Inner Diameter*Number of Tubes*Fluid Viscosity at Bulk Temperature)

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Reynolds Number for Condensate Film Outside Vertical Tubes in Heat Exchanger Formula

​GoReynolds Number for Condensate Film Inside Vertical Tubes in Condenser Formula

Reynolds Number for Condensate Film Outside Vertical Tubes in Heat Exchanger Example

Reynolds Number for Condensate Film Outside Vertical Tubes in Heat Exchanger Solution

Reynolds Number for Condensate Film Outside Vertical Tubes in Heat Exchanger Formula Elements

Other Formulas to find Reynold Number

Other formulas in Basic Formulas of Heat Exchanger Designs category

How to Evaluate Reynolds Number for Condensate Film Outside Vertical Tubes in Heat Exchanger?

FAQs on Reynolds Number for Condensate Film Outside Vertical Tubes in Heat Exchanger

Variable Name

GoReynolds Number for Condensate Film Inside Vertical Tubes in Condenser Formula