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Reynolds Number for Condensate Film Formula

GoReynolds Number using Average Heat Transfer Coefficient for Condensate Film Formula

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Reynolds Number of Film is the ratio of Inertial force to the viscous force. Check FAQs

Re f = \frac{4 \cdot ṁ 1}{P \cdot μ}

Re_f - Reynolds Number of Film?ṁ₁ - Mass Flow of Condensate?P - Wetted Perimeter?μ - Viscosity of Fluid?

Reynolds Number for Condensate Film Example

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Here is how the Reynolds Number for Condensate Film equation looks like with Values.

Here is how the Reynolds Number for Condensate Film equation looks like with Units.

Here is how the Reynolds Number for Condensate Film equation looks like.

300 = \frac{4 \cdot 7200}{9.6 \cdot 10}

300 = \frac{4 \cdot 7200kg/s}{9.6m \cdot 10N*s/m²}

300 = \frac{4 \cdot 7200}{9.6 \cdot 10}

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Reynolds Number for Condensate Film Solution

Follow our step by step solution on how to calculate Reynolds Number for Condensate Film?

FIRST Step Consider the formula

Re f = \frac{4 \cdot ṁ 1}{P \cdot μ}

Next Step Substitute values of Variables

∴

Re f = \frac{4 \cdot 7200kg/s}{9.6m \cdot 10N*s/m²}

Next Step Convert Units

∴

Re f = \frac{4 \cdot 7200kg/s}{9.6m \cdot 10Pa*s}

Next Step Prepare to Evaluate

∴

Re f = \frac{4 \cdot 7200}{9.6 \cdot 10}

LAST Step Evaluate

∴

Re f = 300

Reynolds Number for Condensate Film Formula Elements

Variables

Reynolds Number of Film

Reynolds Number of Film is the ratio of Inertial force to the viscous force.

Symbol: Re_f

Measurement: NAUnit: Unitless

Note: Value should be greater than 0.

Formulas to find Reynolds Number of Film

Mass Flow of Condensate

Mass Flow of Condensate is the mass of a condensate which passes per unit of time.

Symbol: ṁ₁

Measurement: Mass Flow RateUnit: kg/s

Note: Value should be greater than 0.

Formulas to find Mass Flow of Condensate

Wetted Perimeter

Wetted Perimeter is defined as the surface of the channel bottom and sides in direct contact with the aqueous body.

Symbol: P

Measurement: LengthUnit: m

Note: Value can be positive or negative.

Formulas to find Wetted Perimeter

Viscosity of Fluid

The Viscosity of fluid is a measure of its resistance to deformation at a given rate.

Symbol: μ

Measurement: Dynamic ViscosityUnit: N*s/m²

Note: Value can be positive or negative.

Formulas to find Viscosity of Fluid

Other Formulas to find Reynolds Number of Film

Go Reynolds Number using Average Heat Transfer Coefficient for Condensate Film

Re f = (\frac{4 \cdot h ̅ \cdot L \cdot (T Sat - T w)}{h fg \cdot μ f})

Other formulas in Condensation category

Go Film Thickness given Mass Flow of Condensate

δ = {(\frac{3 \cdot μ f \cdot ṁ}{ρ L \cdot (ρ L - ρ v) \cdot [g]})}^{\frac{1}{3}}

Go Condensation Number

Co = (h ̅) \cdot ({(\frac{{(μ f)}^{2}}{(k^{3}) \cdot (ρ f) \cdot (ρ f - ρ v) \cdot [g]})}^{\frac{1}{3}})

Go Condensation Number for Vertical Plate

Co = 1.47 \cdot ({(Re f)}^{- \frac{1}{3}})

Go Condensation Number for Horizontal Cylinder

Co = 1.514 \cdot ({(Re f)}^{- \frac{1}{3}})

How to Evaluate Reynolds Number for Condensate Film?

Reynolds Number for Condensate Film evaluator uses Reynolds Number of Film = (4*Mass Flow of Condensate)/(Wetted Perimeter*Viscosity of Fluid) to evaluate the Reynolds Number of Film, The Reynolds Number for Condensate Film formula is defined as ratio of four times the mass flow rate of condensate to the product of wetted perimeter and viscosity. Reynolds Number of Film is denoted by Re_f symbol.

How to evaluate Reynolds Number for Condensate Film using this online evaluator? To use this online evaluator for Reynolds Number for Condensate Film, enter Mass Flow of Condensate (ṁ₁), Wetted Perimeter (P) & Viscosity of Fluid (μ) and hit the calculate button.

FAQs on Reynolds Number for Condensate Film

What is the formula to find Reynolds Number for Condensate Film?

The formula of Reynolds Number for Condensate Film is expressed as Reynolds Number of Film = (4*Mass Flow of Condensate)/(Wetted Perimeter*Viscosity of Fluid). Here is an example- 300 = (4*7200)/(9.6*10).

How to calculate Reynolds Number for Condensate Film?

With Mass Flow of Condensate (ṁ₁), Wetted Perimeter (P) & Viscosity of Fluid (μ) we can find Reynolds Number for Condensate Film using the formula - Reynolds Number of Film = (4*Mass Flow of Condensate)/(Wetted Perimeter*Viscosity of Fluid).

What are the other ways to Calculate Reynolds Number of Film?

Here are the different ways to Calculate Reynolds Number of Film-

Reynolds Number of Film=((4*Average Heat Transfer Coefficient*Length of Plate*(Saturation Temperature-Plate Surface Temperature))/(Latent Heat of Vaporization*Viscosity of Film))

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