Number of Tubes in Six Pass Triangular Pitch given Bundle Diameter Calculator

✖Bundle Diameter refers to the diameter of the tube bundle within the heat exchanger.ⓘ Bundle Diameter [D_B]			+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 in Six Pass Triangular Pitch given Bundle Diameter [N_Tubes]

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Formula

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Number of Tubes in Six Pass Triangular Pitch given Bundle Diameter

Formula

`"N"_{"Tubes"} = 0.0743*("D"_{"B"}/"D"_{"Outer"})^2.499`

Example

`"322"=0.0743*("542mm"/"19mm")^2.499`

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Number of Tubes in Six Pass Triangular Pitch given Bundle Diameter Solution

STEP 0: Pre-Calculation Summary

Formula Used

Number of Tubes = 0.0743*(Bundle Diameter/Pipe Outer Diameter)^2.499
N_Tubes = 0.0743*(D_B/D_Outer)^2.499
This formula uses 3 Variables

Variables Used

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.
Bundle Diameter - (Measured in Meter) - Bundle Diameter refers to the diameter of the tube bundle within the heat exchanger.
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.

STEP 1: Convert Input(s) to Base Unit

Bundle Diameter: 542 Millimeter --> 0.542 Meter (Check conversion here)
Pipe Outer Diameter: 19 Millimeter --> 0.019 Meter (Check conversion here)

STEP 2: Evaluate Formula

Substituting Input Values in Formula

N_Tubes = 0.0743*(D_B/D_Outer)^2.499 --> 0.0743*(0.542/0.019)^2.499

Evaluating ... ...

N_Tubes = 321.845752542581

STEP 3: Convert Result to Output's Unit

321.845752542581 --> No Conversion Required

FINAL ANSWER

321.845752542581 ≈ 322 <-- Number of Tubes

(Calculation completed in 00.004 seconds)

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Home » Engineering » Chemical Engineering » Process Equipment Design » Heat Exchangers » Basic Formulas Of Heat Exchanger Designs » Number of Tubes in Six Pass Triangular Pitch given Bundle Diameter

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Malviya National Institute Of Technology (MNIT JAIPUR ), JAIPUR

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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

Number of Tubes in Six Pass Triangular Pitch given Bundle Diameter Formula

Number of Tubes = 0.0743*(Bundle Diameter/Pipe Outer Diameter)^2.499
N_Tubes = 0.0743*(D_B/D_Outer)^2.499

What is Bundle Diameter in Heat Exchanger?

The bundle diameter in a shell and tube heat exchanger is the diameter of the tube bundle, which is a critical component influencing heat transfer efficiency, pressure drop, and maintenance considerations. In a single pass design/1-Tube pass, fluid flows through the tubes only once. The inlet of one fluid is connected to one end of the tubes, and the outlet is connected to the other end. This design is simple and suitable for applications where a moderate level of heat transfer is required.

What is Triangular Pitch?

Triangular Pitch Pattern is the shape of accommodating the tubes in the shell and tube Heat Exchanger. This pattern is used when the fluid in tube side is corrosive/ fouling. Triangular Pattern Tube Pitch provides the Highest heat transfer Coefficient among all patterns available.

How to Calculate Number of Tubes in Six Pass Triangular Pitch given Bundle Diameter?

Number of Tubes in Six Pass Triangular Pitch given Bundle Diameter calculator uses Number of Tubes = 0.0743*(Bundle Diameter/Pipe Outer Diameter)^2.499 to calculate the Number of Tubes, The Number of Tubes in Six Pass Triangular Pitch given Bundle Diameter formula is defined as the number of tubes that can be accommodated in a triangular pattern of a six tube pass in a shell and tube heat exchanger. Number of Tubes is denoted by N_Tubes symbol.

How to calculate Number of Tubes in Six Pass Triangular Pitch given Bundle Diameter using this online calculator? To use this online calculator for Number of Tubes in Six Pass Triangular Pitch given Bundle Diameter, enter Bundle Diameter (D_B) & Pipe Outer Diameter (D_Outer) and hit the calculate button. Here is how the Number of Tubes in Six Pass Triangular Pitch given Bundle Diameter calculation can be explained with given input values -> 321.8458 = 0.0743*(0.542/0.019)^2.499.

FAQ

What is Number of Tubes in Six Pass Triangular Pitch given Bundle Diameter?

The Number of Tubes in Six Pass Triangular Pitch given Bundle Diameter formula is defined as the number of tubes that can be accommodated in a triangular pattern of a six tube pass in a shell and tube heat exchanger and is represented as N_Tubes = 0.0743*(D_B/D_Outer)^2.499 or Number of Tubes = 0.0743*(Bundle Diameter/Pipe Outer Diameter)^2.499. Bundle Diameter refers to the diameter of the tube bundle within the heat exchanger & Pipe Outer Diameter refers to the measurement of the outside or external diameter of a cylindrical pipe. It includes the pipe thickness into it.

How to calculate Number of Tubes in Six Pass Triangular Pitch given Bundle Diameter?

The Number of Tubes in Six Pass Triangular Pitch given Bundle Diameter formula is defined as the number of tubes that can be accommodated in a triangular pattern of a six tube pass in a shell and tube heat exchanger is calculated using Number of Tubes = 0.0743*(Bundle Diameter/Pipe Outer Diameter)^2.499. To calculate Number of Tubes in Six Pass Triangular Pitch given Bundle Diameter, you need Bundle Diameter (D_B) & Pipe Outer Diameter (D_Outer). With our tool, you need to enter the respective value for Bundle Diameter & Pipe Outer Diameter 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 Number of Tubes?

In this formula, Number of Tubes uses Bundle Diameter & Pipe Outer Diameter. We can use 10 other way(s) to calculate the same, which is/are as follows -

Number of Tubes = 4*Mass Flowrate/(Fluid Density*Fluid Velocity*pi*(Pipe Inner Diameter)^2)
Number of Tubes = 0.319*(Bundle Diameter/Pipe Outer Diameter)^2.142
Number of Tubes = 0.249*(Bundle Diameter/Pipe Outer Diameter)^2.207
Number of Tubes = 0.175*(Bundle Diameter/Pipe Outer Diameter)^2.285
Number of Tubes = 0.0365*(Bundle Diameter/Pipe Outer Diameter)^2.675
Number of Tubes = 0.215*(Bundle Diameter/Pipe Outer Diameter)^2.207
Number of Tubes = 0.156*(Bundle Diameter/Pipe Outer Diameter)^2.291
Number of Tubes = 0.158*(Bundle Diameter/Pipe Outer Diameter)^2.263
Number of Tubes = 0.0402*(Bundle Diameter/Pipe Outer Diameter)^2.617
Number of Tubes = 0.0331*(Bundle Diameter/Pipe Outer Diameter)^2.643

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