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Friction factor in internal flow Formula

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Friction Factor is a dimensionless quantity used to quantify the resistance to fluid flow in pipes for both laminar and turbulent flow conditions. Check FAQs

f = \frac{8 \cdot k L \cdot ({Sc}^{0.67})}{u ∞}

f - Friction Factor?k_L - Convective Mass Transfer Coefficient?Sc - Schmidt Number?u_∞ - Free Stream Velocity?

Friction factor in internal flow Example

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Here is how the Friction factor in internal flow equation looks like with Values.

Here is how the Friction factor in internal flow equation looks like with Units.

Here is how the Friction factor in internal flow equation looks like.

0.0166 = \frac{8 \cdot 0.0041 \cdot (12^{0.67})}{10.5}

0.0166 = \frac{8 \cdot 0.0041m/s \cdot (12^{0.67})}{10.5m/s}

0.0166 = \frac{8 \cdot 0.0041 \cdot (12^{0.67})}{10.5}

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Friction factor in internal flow Solution

Follow our step by step solution on how to calculate Friction factor in internal flow?

FIRST Step Consider the formula

f = \frac{8 \cdot k L \cdot ({Sc}^{0.67})}{u ∞}

Next Step Substitute values of Variables

∴

f = \frac{8 \cdot 0.0041m/s \cdot (12^{0.67})}{10.5m/s}

Next Step Prepare to Evaluate

∴

f = \frac{8 \cdot 0.0041 \cdot (12^{0.67})}{10.5}

Next Step Evaluate

∴

f = 0.0165820593435338

LAST Step Rounding Answer

∴

f = 0.0166

Friction factor in internal flow Formula Elements

Variables

Friction Factor

Friction Factor is a dimensionless quantity used to quantify the resistance to fluid flow in pipes for both laminar and turbulent flow conditions.

Symbol: f

Measurement: NAUnit: Unitless

Note: Value can be positive or negative.

Formulas to find Friction Factor

Convective Mass Transfer Coefficient

Convective Mass Transfer Coefficient is the rate of mass transfer between a surface and a moving fluid in laminar and turbulent flow conditions.

Symbol: k_L

Measurement: SpeedUnit: m/s

Note: Value can be positive or negative.

Formulas to find Convective Mass Transfer Coefficient

Schmidt Number

Schmidt Number is a dimensionless number used to characterize fluid flows, particularly in laminar and turbulent flow regimes, to describe momentum and mass transport.

Symbol: Sc

Measurement: NAUnit: Unitless

Note: Value should be greater than 0.

Formulas to find Schmidt Number

Free Stream Velocity

Free Stream Velocity is the velocity of a fluid that is far away from any obstacle or boundary, unaffected by the presence of the object.

Symbol: u_∞

Measurement: SpeedUnit: m/s

Note: Value can be positive or negative.

Formulas to find Free Stream Velocity

Other formulas in Laminar and Turbulent Flow category

Go Average Sherwood Number of Combined Laminar and Turbulent Flow

N sh = ((0.037 \cdot ({Re}^{0.8})) - 871) \cdot ({Sc}^{0.333})

Go Drag coefficient of flat plate in combined laminar turbulent flow

C D = \frac{0.0571}{{Re}^{0.2}}

Go Density of material given convective heat and mass transfer coefficient

ρ = \frac{h t}{k L \cdot Q s \cdot ({L e}^{0.67})}

Go Convective Mass Transfer Coefficient of Flat Plate in Combined Laminar Turbulent Flow

k L = \frac{0.0286 \cdot u ∞}{({Re}^{0.2}) \cdot ({Sc}^{0.67})}

How to Evaluate Friction factor in internal flow?

Friction factor in internal flow evaluator uses Friction Factor = (8*Convective Mass Transfer Coefficient*(Schmidt Number^0.67))/Free Stream Velocity to evaluate the Friction Factor, Friction factor in internal flow formula is defined as a dimensionless quantity that characterizes the frictional force exerted by a fluid on the walls of a pipe or duct, influencing the flow behavior and heat transfer in convective mass transfer processes. Friction Factor is denoted by f symbol.

How to evaluate Friction factor in internal flow using this online evaluator? To use this online evaluator for Friction factor in internal flow, enter Convective Mass Transfer Coefficient (k_L), Schmidt Number (Sc) & Free Stream Velocity (u_∞) and hit the calculate button.

FAQs on Friction factor in internal flow

What is the formula to find Friction factor in internal flow?

The formula of Friction factor in internal flow is expressed as Friction Factor = (8*Convective Mass Transfer Coefficient*(Schmidt Number^0.67))/Free Stream Velocity. Here is an example- 0.016582 = (8*0.004118*(12^0.67))/10.5.

How to calculate Friction factor in internal flow?

With Convective Mass Transfer Coefficient (k_L), Schmidt Number (Sc) & Free Stream Velocity (u_∞) we can find Friction factor in internal flow using the formula - Friction Factor = (8*Convective Mass Transfer Coefficient*(Schmidt Number^0.67))/Free Stream Velocity.

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Friction factor in internal flow Formula

Friction factor in internal flow Example

Friction factor in internal flow Solution

Friction factor in internal flow Formula Elements

Other formulas in Laminar and Turbulent Flow category

How to Evaluate Friction factor in internal flow?

FAQs on Friction factor in internal flow

Variable Name