Perimeter of tube Calculator

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Heat exchanger

Basics of HMT

Conduction

Convection

Convective Mass Transfer

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Transverse Fin Heat Exchanger

Effectiveness

NTU Relations

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Convection Coefficient

✖The Number of Fins is the total count of the fins in length L.ⓘ Number of Fins [NF]			+10% -10%
✖Fin length is the length of the fin.ⓘ Fin Length [FL]			+10% -10%
✖Height of Crack is the size of a flaw or crack in a material that can lead to catastrophic failure under a given stress.ⓘ Height of Crack [h]			+10% -10%

✖The perimeter of a figure is the total distance around the edge of the figure.ⓘ Perimeter of tube [P]

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Formula

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Perimeter of tube

Formula

`"P" = (4*"NF"*"FL")+2*"h"`

Example

`"25.28m"=(4*"8"*"0.04m")+2*"12000mm"`

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Perimeter of tube Solution

STEP 0: Pre-Calculation Summary

Formula Used

Perimeter = (4*Number of Fins*Fin Length)+2*Height of Crack
P = (4*NF*FL)+2*h
This formula uses 4 Variables

Variables Used

Perimeter - (Measured in Meter) - The perimeter of a figure is the total distance around the edge of the figure.
Number of Fins - The Number of Fins is the total count of the fins in length L.
Fin Length - (Measured in Meter) - Fin length is the length of the fin.
Height of Crack - (Measured in Meter) - Height of Crack is the size of a flaw or crack in a material that can lead to catastrophic failure under a given stress.

STEP 1: Convert Input(s) to Base Unit

Number of Fins: 8 --> No Conversion Required
Fin Length: 0.04 Meter --> 0.04 Meter No Conversion Required
Height of Crack: 12000 Millimeter --> 12 Meter (Check conversion here)

STEP 2: Evaluate Formula

Substituting Input Values in Formula

P = (4*NF*FL)+2*h --> (4*8*0.04)+2*12

Evaluating ... ...

P = 25.28

STEP 3: Convert Result to Output's Unit

25.28 Meter --> No Conversion Required

FINAL ANSWER

25.28 Meter <-- Perimeter

(Calculation completed in 00.004 seconds)

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Home » Physics » Heat and Mass Transfer » Heat exchanger » Transverse Fin Heat Exchanger » Perimeter of tube

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Created by Nishan Poojary

Shri Madhwa Vadiraja Institute of Technology and Management (SMVITM), Udupi

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< 25 Transverse Fin Heat Exchanger Calculators

Outer Diameter of Tube in Transverse Fin Heat Exchanger

Go Outer Diameter = Bare Area/(pi*(Height of Crack-Number of Fins*Thickness))

Bare Area over Fin leaving Fin Base

Go Bare Area = pi*Outer Diameter*(Height of Crack-Number of Fins*Thickness)

Number of tubes in transverse fin heat exchanger

Go Number of Tubes = Mass Flow Rate/(Mass Flux(g)*Distance between two Consequent Tubes*Height of Crack)

Mass flux given mass flowrate

Go Mass Flux(g) = Mass Flow Rate/(Number of Tubes*Distance between two Consequent Tubes*Height of Crack)

Mass flowrate given mass flux

Go Mass Flow Rate = Mass Flux(g)*Number of Tubes*Distance between two Consequent Tubes*Height of Crack

Distance between two consequent tubes in transverse fin heat exchanger

Go Distance between two Consequent Tubes = Mass Flow Rate/(Mass Flux(g)*Number of Tubes*Length)

Length of tube bank

Go Length = Mass Flow Rate/(Mass Flux(g)*Number of Tubes*Distance between two Consequent Tubes)

Number of fins in length L

Go Number of Fins = (2*Surface Area)/(pi*((Fin Diameter^2)-(Outer Diameter^2)))

Fin surface area

Go Surface Area = (pi/2)*Number of Fins*((Fin Diameter^2)-(Outer Diameter^2))

Tube inside area required for heat exchange

Go Area = Heat Flow Rate/(Overall Heat Transfer Coefficient*Logarithmic Mean Temperature Difference)

Logarithmic mean of temperature difference

Go Logarithmic Mean Temperature Difference = Heat Flow Rate/(Area*Overall Heat Transfer Coefficient)

Perimeter given equivalent diameter

Go Perimeter = (2*(Surface Area+Bare Area))/(pi*Equivalent Diameter)

Overall heat transfer coefficient

Go Overall Heat Transfer Coefficient = Heat Flow Rate/(Area*Logarithmic Mean Temperature Difference)

Bare Area over Fin leaving Fin Base given Surface Area

Go Bare Area = ((pi*Equivalent Diameter*Perimeter)/2)-Surface Area

Fin surface area given equivalent diameter

Go Surface Area = ((pi*Equivalent Diameter*Perimeter)/2)-Bare Area

Equivalent diameter

Go Equivalent Diameter = 2*(Surface Area+Bare Area)/(pi*Perimeter)

Heat flow required

Go Heat Flow Rate = Area*Overall Heat Transfer Coefficient*Logarithmic Mean Temperature Difference

Equivalent diameter of tube for transverse fin heat exchanger

Go Equivalent Diameter = (Reynolds Number(e)*Viscosity of Fluid)/(Mass Flux)

Viscosity of fluid flowing inside tube of transverse fin heat exchanger

Go Viscosity of Fluid = (Mass Flux*Equivalent Diameter)/Reynolds Number(e)

Mass flux of fluid in transverse fin heat exchanger

Go Mass Flux = (Reynolds Number(e)*Viscosity of Fluid)/Equivalent Diameter

Reynolds number in heat exchanger

Go Reynolds Number = (Mass Flux*Equivalent Diameter)/(Viscosity of Fluid)

Length of fin

Go Fin Length = (Perimeter-(2*Height of Crack))/((4*Number of Fins))

Height of tank tube given perimeter

Go Height of Crack = (Perimeter-(4*Number of Fins*Fin Length))/2

Number of fins given perimeter

Go Number of Fins = (Perimeter-2*Height of Crack)/(4*Fin Length)

Perimeter of tube

Go Perimeter = (4*Number of Fins*Fin Length)+2*Height of Crack

Perimeter of tube Formula

Perimeter = (4*Number of Fins*Fin Length)+2*Height of Crack
P = (4*NF*FL)+2*h

What is heat exchanger

A heat exchanger is a system used to transfer heat between two or more fluids. Heat exchangers are used in both cooling and heating processes. The fluids may be separated by a solid wall to prevent mixing or they may be in direct contact. They are widely used in space heating, refrigeration, air conditioning, power stations, chemical plants, petrochemical plants, petroleum refineries, natural-gas processing, and sewage treatment. The classic example of a heat exchanger is found in an internal combustion engine in which a circulating fluid known as engine coolant flows through radiator coils and air flows past the coils, which cools the coolant and heats the incoming air. Another example is the heat sink, which is a passive heat exchanger that transfers the heat generated by an electronic or a mechanical device to a fluid medium, often air or a liquid coolant.

How to Calculate Perimeter of tube?

Perimeter of tube calculator uses Perimeter = (4*Number of Fins*Fin Length)+2*Height of Crack to calculate the Perimeter, The Perimeter of tube formula is defined as the length of the outline of the tube which is used to fluid transfer and heat exchanging. Perimeter is denoted by P symbol.

How to calculate Perimeter of tube using this online calculator? To use this online calculator for Perimeter of tube, enter Number of Fins (NF), Fin Length (FL) & Height of Crack (h) and hit the calculate button. Here is how the Perimeter of tube calculation can be explained with given input values -> 25.3 = (4*8*0.04)+2*12.

FAQ

What is Perimeter of tube?

The Perimeter of tube formula is defined as the length of the outline of the tube which is used to fluid transfer and heat exchanging and is represented as P = (4*NF*FL)+2*h or Perimeter = (4*Number of Fins*Fin Length)+2*Height of Crack. The Number of Fins is the total count of the fins in length L, Fin length is the length of the fin & Height of Crack is the size of a flaw or crack in a material that can lead to catastrophic failure under a given stress.

How to calculate Perimeter of tube?

The Perimeter of tube formula is defined as the length of the outline of the tube which is used to fluid transfer and heat exchanging is calculated using Perimeter = (4*Number of Fins*Fin Length)+2*Height of Crack. To calculate Perimeter of tube, you need Number of Fins (NF), Fin Length (FL) & Height of Crack (h). With our tool, you need to enter the respective value for Number of Fins, Fin Length & Height of Crack 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 Perimeter?

In this formula, Perimeter uses Number of Fins, Fin Length & Height of Crack. We can use 1 other way(s) to calculate the same, which is/are as follows -

Perimeter = (2*(Surface Area+Bare Area))/(pi*Equivalent Diameter)

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