## Colburn J-Factor given Fanning Friction Factor Solution

STEP 0: Pre-Calculation Summary
Formula Used
Colburn's j-factor = Fanning Friction Factor/2
jH = f/2
This formula uses 2 Variables
Variables Used
Colburn's j-factor - Colburn's j-factor is a non-dimensional parameter that arises in convective heat transfer analysis.
Fanning Friction Factor - The Fanning friction factor is a dimensionless number used in studying fluid friction in pipes. This friction factor is an indication of the resistance to fluid flow at the pipe wall.
STEP 1: Convert Input(s) to Base Unit
Fanning Friction Factor: 0.49 --> No Conversion Required
STEP 2: Evaluate Formula
Substituting Input Values in Formula
jH = f/2 --> 0.49/2
Evaluating ... ...
jH = 0.245
STEP 3: Convert Result to Output's Unit
0.245 --> No Conversion Required
0.245 <-- Colburn's j-factor
(Calculation completed in 00.000 seconds)
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## < 10+ Basics of Heat Transfer Calculators

Log Mean Temperature Difference for Counter Current Flow

## Log Mean Temperature Difference for Counter Current Flow

Formula
"LMTD" = (("T"_{"ho"}-"T"_{"ci"})-("T"_{"hi"}-"T"_{"co"}))/ln(("T"_{"ho"}-"T"_{"ci"})/("T"_{"hi"}-"T"_{"co"}))

Example
"19.57615K"=(("20K"-"5K")-("35K"-"10K"))/ln(("20K"-"5K")/("35K"-"10K"))

Calculator
LaTeX
Log Mean Temperature Difference = ((Outlet Temperature of Hot Fluid-Inlet Temperature of Cold Fluid)-(Inlet Temperature of Hot Fluid-Outlet Temperature of Cold Fluid))/ln((Outlet Temperature of Hot Fluid-Inlet Temperature of Cold Fluid)/(Inlet Temperature of Hot Fluid-Outlet Temperature of Cold Fluid))
Log Mean Temperature Difference for CoCurrent Flow

## Log Mean Temperature Difference for CoCurrent Flow

Formula
"LMTD" = (("T"_{"ho"}-"T"_{"co"})-("T"_{"hi"}-"T"_{"ci"}))/ln(("T"_{"ho"}-"T"_{"co"})/("T"_{"hi"}-"T"_{"ci"}))

Example
"18.20478K"=(("20K"-"10K")-("35K"-"5K"))/ln(("20K"-"10K")/("35K"-"5K"))

Calculator
LaTeX
Log Mean Temperature Difference = ((Outlet Temperature of Hot Fluid-Outlet Temperature of Cold Fluid)-(Inlet Temperature of Hot Fluid-Inlet Temperature of Cold Fluid))/ln((Outlet Temperature of Hot Fluid-Outlet Temperature of Cold Fluid)/(Inlet Temperature of Hot Fluid-Inlet Temperature of Cold Fluid))
Logarithmic Mean Area of Cylinder

## Logarithmic Mean Area of Cylinder

Formula
"A"_{""mean""} = ("A"_{"o"}-"A"_{"i"})/ln("A"_{"o"}/"A"_{"i"})

Example
"9.865214m²"=("12m²"-"8m²")/ln("12m²"/"8m²")

Calculator
LaTeX
Logarithmic Mean Area = (Outer Area of the Cylinder-Inner Area of the Cylinder)/ln(Outer Area of the Cylinder/Inner Area of the Cylinder)
Equivalent Diameter when Flow in Rectangular Duct

## Equivalent Diameter when Flow in Rectangular Duct

Formula
"D"_{"e"} = (4*"L"*"B")/(2*("L"+"B"))

Example
"7.95756m"=(4*"750m"*"4m")/(2*("750m"+"4m"))

Calculator
LaTeX
Equivalent Diameter = (4*Length of Rectangular Section*Breadth of Rectangle)/(2*(Length of Rectangular Section+Breadth of Rectangle))
Heat Transfer from Stream of Gas flowing in Turbulent Motion

## Heat Transfer from Stream of Gas flowing in Turbulent Motion

Formula
"h"_{"transfer"} = (16.6*"c"_{"p"}*("G")^0.8)/("D"^0.2)

Example
"86.84618W/m²*K"=(16.6*"0.0002kcal(IT)/kg*°C"*("13kg/s/m²")^0.8)/("3m"^0.2)

Calculator
LaTeX
Heat Transfer Coefficient = (16.6*Specific Heat Capacity*(Mass Velocity)^0.8)/(Internal Diameter of Pipe^0.2)
Colburn Factor using Chilton Colburn Analogy

## Colburn Factor using Chilton Colburn Analogy

Formula
"j"_{"H"} = "Nu"/("Re")*("Pr")^(1/3)

Example
"0.001243"="7"/("5000")*("0.7")^(1/3)

Calculator
LaTeX
Colburn's j-factor = Nusselt Number/(Reynolds Number)*(Prandtl Number)^(1/3)
Heat Transfer Coefficient based on Temperature Difference

## Heat Transfer Coefficient based on Temperature Difference

Formula
"h"_{"transfer"} = "q"/"ΔT"_{"Overall"}

Example
"0.312727W/m²*K"="17.2W"/"55K"

Calculator
LaTeX
Heat Transfer Coefficient = Heat Transfer/Overall Temperature Difference
Equivalent Diameter of Non-Circular Duct

## Equivalent Diameter of Non-Circular Duct

Formula
"D"_{"e"} = (4*"A"_{"cs"})/"P"

Example
"1.25m"=(4*"25m²")/"80m"

Calculator
LaTeX
Equivalent Diameter = (4*Cross Sectional Area of Flow)/Wetted Perimeter

Formula
"r"_{"H"} = "A"_{"cs"}/"P"

Example
"0.3125m"="25m²"/"80m"

Calculator
LaTeX
Hydraulic Radius = Cross Sectional Area of Flow/Wetted Perimeter
Colburn J-Factor given Fanning Friction Factor

## Colburn J-Factor given Fanning Friction Factor

Formula
"j"_{"H"} = "f"/2

Example
"0.245"="0.49"/2

Calculator
LaTeX
Colburn's j-factor = Fanning Friction Factor/2

## Colburn J-Factor given Fanning Friction Factor Formula

Colburn's j-factor = Fanning Friction Factor/2
jH = f/2

## What is Heat Transfer?

Heat transfer is a discipline of thermal engineering that concerns the generation, use, conversion, and exchange of thermal energy between physical systems. Heat transfer is classified into various mechanisms, such as thermal conduction, thermal convection, thermal radiation, and transfer of energy by phase changes.

## Define Thermal Conductivity & Factors affecting it?

Thermal conductivity is defined as the ability of a substance to conduct heat. Factors Affecting The Thermal Conductivity are: Moisture, Density of material, Pressure, Temperature & Structure of material.

## How to Calculate Colburn J-Factor given Fanning Friction Factor?

Colburn J-Factor given Fanning Friction Factor calculator uses Colburn's j-factor = Fanning Friction Factor/2 to calculate the Colburn's j-factor, The Colburn J-Factor given Fanning Friction Factor formula is defined as half of the value of the friction factor. Colburn's j-factor is denoted by jH symbol.

How to calculate Colburn J-Factor given Fanning Friction Factor using this online calculator? To use this online calculator for Colburn J-Factor given Fanning Friction Factor, enter Fanning Friction Factor (f) and hit the calculate button. Here is how the Colburn J-Factor given Fanning Friction Factor calculation can be explained with given input values -> 0.245 = 0.49/2.

### FAQ

What is Colburn J-Factor given Fanning Friction Factor?
The Colburn J-Factor given Fanning Friction Factor formula is defined as half of the value of the friction factor and is represented as jH = f/2 or Colburn's j-factor = Fanning Friction Factor/2. The Fanning friction factor is a dimensionless number used in studying fluid friction in pipes. This friction factor is an indication of the resistance to fluid flow at the pipe wall.
How to calculate Colburn J-Factor given Fanning Friction Factor?
The Colburn J-Factor given Fanning Friction Factor formula is defined as half of the value of the friction factor is calculated using Colburn's j-factor = Fanning Friction Factor/2. To calculate Colburn J-Factor given Fanning Friction Factor, you need Fanning Friction Factor (f). With our tool, you need to enter the respective value for Fanning Friction Factor 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 Colburn's j-factor?
In this formula, Colburn's j-factor uses Fanning Friction Factor. We can use 2 other way(s) to calculate the same, which is/are as follows -
• Colburn's j-factor = Nusselt Number/(Reynolds Number)*(Prandtl Number)^(1/3)
• Colburn's j-factor = 0.023*(Reynolds Number)^(-0.2)
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