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

✖Mass Flowrate is the mass of a substance that passes per unit of time.ⓘ Mass Flowrate [M_flow]			+10% -10%
✖Pipe Outer Diameter refers to the measurement of the outside or external diameter of a cylindrical pipe. It includes the pipe thickness into it.ⓘ Pipe Outer Diameter [D_Outer]			+10% -10%
✖Number of tubes in a heat exchanger refers to the count of individual tubes that form the heat transfer surface inside the heat exchanger.ⓘ Number of Tubes [N_Tubes]			+10% -10%
✖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.ⓘ Fluid Viscosity at Bulk Temperature [μ_fluid]			+10% -10%

✖Reynold Number is defined as the ratio of inertial force to the viscous force of fluid.ⓘ Reynolds Number for Condensate Film Outside Vertical Tubes in Heat Exchanger [Re]

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Reynolds Number for Condensate Film Outside Vertical Tubes in Heat Exchanger

Formula

`"Re" = 4*"M"_{"flow"}/(pi*"D"_{"Outer"}*"N"_{"Tubes"}*"μ"_{"fluid"})`

Example

`"16.97289"=4*"14kg/s"/(pi*"19mm"*"55"*"1.005Pa*s")`

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

STEP 0: Pre-Calculation Summary

Formula Used

Reynold Number = 4*Mass Flowrate/(pi*Pipe Outer Diameter*Number of Tubes*Fluid Viscosity at Bulk Temperature)
Re = 4*M_flow/(pi*D_Outer*N_Tubes*μ_fluid)
This formula uses 1 Constants, 5 Variables

Constants Used

pi - Archimedes' constant Value Taken As 3.14159265358979323846264338327950288

Variables Used

Reynold Number - Reynold Number is defined as the ratio of inertial force to the viscous force of fluid.
Mass Flowrate - (Measured in Kilogram per Second) - Mass Flowrate is the mass of a substance that passes per unit of time.
Pipe Outer Diameter - (Measured in Meter) - Pipe Outer Diameter refers to the measurement of the outside or external diameter of a cylindrical pipe. It includes the pipe thickness into it.
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.
Fluid Viscosity at Bulk Temperature - (Measured in Pascal Second) - 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.

STEP 1: Convert Input(s) to Base Unit

Mass Flowrate: 14 Kilogram per Second --> 14 Kilogram per Second No Conversion Required
Pipe Outer Diameter: 19 Millimeter --> 0.019 Meter (Check conversion here)
Number of Tubes: 55 --> No Conversion Required
Fluid Viscosity at Bulk Temperature: 1.005 Pascal Second --> 1.005 Pascal Second No Conversion Required

STEP 2: Evaluate Formula

Substituting Input Values in Formula

Re = 4*M_flow/(pi*D_Outer*N_Tubes*μ_fluid) --> 4*14/(pi*0.019*55*1.005)

Evaluating ... ...

Re = 16.9728902152322

STEP 3: Convert Result to Output's Unit

16.9728902152322 --> No Conversion Required

FINAL ANSWER

16.9728902152322 ≈ 16.97289 <-- Reynold Number

(Calculation completed in 00.004 seconds)

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< 25 Basic Formulas Of Heat Exchanger Designs Calculators

Pressure Drop of Vapor in Condensers given Vapors on Shell Side

Go Shell Side Pressure Drop = 0.5*8*Friction Factor*(Length of Tube/Baffle Spacing)*(Shell Diameter/Equivalent Diameter)*(Fluid Density/2)*(Fluid Velocity^2)*((Fluid Viscosity at Bulk Temperature/Fluid Viscosity at Wall Temperature)^-0.14)

Shell Side Pressure Drop in Heat Exchanger

Go Shell Side Pressure Drop = (8*Friction Factor*(Length of Tube/Baffle Spacing)*(Shell Diameter/Equivalent Diameter))*(Fluid Density/2)*(Fluid Velocity^2)*((Fluid Viscosity at Bulk Temperature/Fluid Viscosity at Wall Temperature)^-0.14)

Tube Side Pressure Drop in Heat Exchanger for Turbulent Flow

Go Tube Side Pressure Drop = Number of Tube-Side Passes*(8*Friction Factor*(Length of Tube/Pipe Inner Diameter)*(Fluid Viscosity at Bulk Temperature/Fluid Viscosity at Wall Temperature)^-0.14+2.5)*(Fluid Density/2)*(Fluid Velocity^2)

Tube Side Pressure Drop in Heat Exchanger for Laminar Flow

Reynolds Number for Condensate Film Outside Vertical Tubes in Heat Exchanger

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

Reynolds Number for Condensate Film Inside Vertical Tubes in Condenser

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

Number of Tubes in Shell and Tube Heat Exchanger

Go Number of Tubes = 4*Mass Flowrate/(Fluid Density*Fluid Velocity*pi*(Pipe Inner Diameter)^2)

Shell Area for Heat Exchanger

Go Shell Area = (Tube Pitch-Pipe Outer Diameter)*Shell Diameter*(Baffle Spacing/Tube Pitch)

Stack Design Pressure Draft for Furnace

Go Draft Pressure = 0.0342*(Stack Height)*Atmospheric Pressure*(1/Ambient Temperature-1/Flue Gas Temperature)

Number of Transfer Units for Plate Heat Exchanger

Go Number of Transfer Units = (Outlet Temperature-Inlet Temperature)/Log Mean Temperature Difference

Equivalent Diameter for Triangular Pitch in Heat Exchanger

Go Equivalent Diameter = (1.10/Pipe Outer Diameter)*((Tube Pitch^2)-0.917*(Pipe Outer Diameter^2))

Equivalent Diameter for Square Pitch in Heat Exchanger

Go Equivalent Diameter = (1.27/Pipe Outer Diameter)*((Tube Pitch^2)-0.785*(Pipe Outer Diameter^2))

Viscosity Correction Factor for Shell and Tube Heat Exchanger

Go Viscosity Correction Factor = (Fluid Viscosity at Bulk Temperature/Fluid Viscosity at Wall Temperature)^0.14

Pumping Power Required in Heat Exchanger Given Pressure Drop

Go Pumping Power = (Mass Flowrate*Tube Side Pressure Drop)/Fluid Density

Heat Exchanger Volume for Hydrocarbon Applications

Go Heat Exchanger Volume = (Heat Duty of Heat Exchanger/Log Mean Temperature Difference)/100000

Heat Exchanger Volume for Air Separation Applications

Go Heat Exchanger Volume = (Heat Duty of Heat Exchanger/Log Mean Temperature Difference)/50000

Provision for Thermal Expansion and Contraction in Heat Exchanger

Go Thermal Expansion = (97.1*10^-6)*Length of Tube*Temperature Difference

Number of Tubes in Eight Pass Triangular Pitch given Bundle Diameter

Go Number of Tubes = 0.0365*(Bundle Diameter/Pipe Outer Diameter)^2.675

Number of Tubes in Six Pass Triangular Pitch given Bundle Diameter

Go Number of Tubes = 0.0743*(Bundle Diameter/Pipe Outer Diameter)^2.499

Number of Tubes in Four Pass Triangular Pitch given Bundle Diameter

Go Number of Tubes = 0.175*(Bundle Diameter/Pipe Outer Diameter)^2.285

Number of Tubes in One Pass Triangular Pitch given Bundle Diameter

Go Number of Tubes = 0.319*(Bundle Diameter/Pipe Outer Diameter)^2.142

Number of Tubes in Two Pass Triangular Pitch given Bundle Diameter

Go Number of Tubes = 0.249*(Bundle Diameter/Pipe Outer Diameter)^2.207

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

Go Number of Tubes in Vertical Tube Row = Bundle Diameter/Tube Pitch

Number of Baffles in Shell and Tube Heat Exchanger

Go Number of Baffles = (Length of Tube/Baffle Spacing)-1

Shell Diameter of Heat Exchanger Given Clearance and Bundle Diameter

Go Shell Diameter = Shell Clearance+Bundle Diameter

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

Reynold Number = 4*Mass Flowrate/(pi*Pipe Outer Diameter*Number of Tubes*Fluid Viscosity at Bulk Temperature)
Re = 4*M_flow/(pi*D_Outer*N_Tubes*μ_fluid)

What is Condenser?

Condenser is a special type of Heat Exchanger in which hot vapors transfer their latent heat to the colder fluid and thus results into condensation of vapors into liquid phase.

What is the Significance of Reynolds Number in Heat Transfer of Condensing Vapors?

The heat transfer coefficient (h) is a measure of how effectively heat is transferred from a hotter surface to a cooler fluid. In the context of condensing vapor, the Reynolds number is relevant because it helps determine the flow regime over the surface where condensation is taking place.

As condensation occurs on a surface, it can influence the flow behavior. If the vapor condenses into droplets or a thin liquid film, it can alter the Reynolds number and transition the flow from laminar to turbulent, even at relatively lower velocities. This transition can significantly enhance the heat transfer coefficient, resulting in improved heat transfer rates during condensation.

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

Reynolds Number for Condensate Film Outside Vertical Tubes in Heat Exchanger calculator uses Reynold Number = 4*Mass Flowrate/(pi*Pipe Outer Diameter*Number of Tubes*Fluid Viscosity at Bulk Temperature) to calculate 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 calculate Reynolds Number for Condensate Film Outside Vertical Tubes in Heat Exchanger using this online calculator? To use this online calculator 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. Here is how the Reynolds Number for Condensate Film Outside Vertical Tubes in Heat Exchanger calculation can be explained with given input values -> 16.97289 = 4*14/(pi*0.019*55*1.005).

FAQ

What is Reynolds Number for Condensate Film Outside Vertical Tubes in Heat Exchanger?

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 and is represented as Re = 4*M_flow/(pi*D_Outer*N_Tubes*μ_fluid) or Reynold Number = 4*Mass Flowrate/(pi*Pipe Outer Diameter*Number of Tubes*Fluid Viscosity at Bulk Temperature). Mass Flowrate is the mass of a substance that passes per unit of time, Pipe Outer Diameter refers to the measurement of the outside or external diameter of a cylindrical pipe. It includes the pipe thickness into it, Number of tubes in a heat exchanger refers to the count of individual tubes that form the heat transfer surface inside the heat exchanger & 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.

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

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 is calculated using Reynold Number = 4*Mass Flowrate/(pi*Pipe Outer Diameter*Number of Tubes*Fluid Viscosity at Bulk Temperature). To calculate Reynolds Number for Condensate Film Outside Vertical Tubes in Heat Exchanger, you need Mass Flowrate (M_flow), Pipe Outer Diameter (D_Outer), Number of Tubes (N_Tubes) & Fluid Viscosity at Bulk Temperature (μ_fluid). With our tool, you need to enter the respective value for Mass Flowrate, Pipe Outer Diameter, Number of Tubes & Fluid Viscosity at Bulk Temperature and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.

How many ways are there to calculate Reynold Number?

In this formula, Reynold Number uses Mass Flowrate, Pipe Outer Diameter, Number of Tubes & Fluid Viscosity at Bulk Temperature. We can use 1 other way(s) to calculate the same, which is/are as follows -

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

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