FormulaDen.com

Physics Chemistry Math Chemical Engineering Civil Electrical Electronics Electronics and Instrumentation Materials Science Mechanical Production Engineering Financial Health

Recovery Factor Formula

GoRecovery Factor for Gases with Prandtl Number near Unity under Laminar Flow Formula

GoRecovery Factor for Gases with Prandtl Number near Unity under Turbulent Flow Formula

Fx Copy

LaTeX Copy

Recovery Factor is a dimensionless number defined by the ratio of difference in enthalpies. Check FAQs

r = (\frac{T aw - T ∞}{T o - T ∞})

r - Recovery Factor?T_aw - Adiabatic Wall Temperature?T_∞ - Static Temperature of Free Stream?T_o - Stagnation Temperature?

Recovery Factor Example

With values

With units

Only example

Here is how the Recovery Factor equation looks like with Values.

Here is how the Recovery Factor equation looks like with Units.

Here is how the Recovery Factor equation looks like.

1.8889 = (\frac{410 - 325}{370 - 325})

1.8889 = (\frac{410K - 325K}{370K - 325K})

1.8889 = (\frac{410 - 325}{370 - 325})

Tip: Use pencil ( Pencil

) icon above to edit Input Values and Units.

Calculate

Recalculate

Solution

Copy

Reset

You are here -

Home » Category

Engineering » Category

Chemical Engineering » Category

Heat Transfer » fx Recovery Factor

Recovery Factor Solution

Follow our step by step solution on how to calculate Recovery Factor?

FIRST Step Consider the formula

r = (\frac{T aw - T ∞}{T o - T ∞})

Next Step Substitute values of Variables

∴

r = (\frac{410K - 325K}{370K - 325K})

Next Step Prepare to Evaluate

∴

r = (\frac{410 - 325}{370 - 325})

Next Step Evaluate

∴

r = 1.88888888888889

LAST Step Rounding Answer

∴

r = 1.8889

Recovery Factor Formula Elements

Variables

Recovery Factor

Recovery Factor is a dimensionless number defined by the ratio of difference in enthalpies.

Symbol: r

Measurement: NAUnit: Unitless

Note: Value should be greater than 0.

Formulas to find Recovery Factor

Adiabatic Wall Temperature

Adiabatic wall temperature, is the temperature acquired by a wall in liquid or gas flow if the condition of thermal insulation is observed on it.

Symbol: T_aw

Measurement: TemperatureUnit: K

Note: Value should be greater than 0.

Formulas to find Adiabatic Wall Temperature

Static Temperature of Free Stream

The Static Temperature of Free Stream is defined as the temperature of the gas if it had no ordered motion and was not flowing.

Symbol: T_∞

Measurement: TemperatureUnit: K

Note: Value should be greater than 0.

Formulas to find Static Temperature of Free Stream

Stagnation Temperature

Stagnation Temperature is defined as the temperature at a stagnation point in a fluid flow.

Symbol: T_o

Measurement: TemperatureUnit: K

Note: Value should be greater than 0.

Formulas to find Stagnation Temperature

Other Formulas to find Recovery Factor

Go Recovery Factor for Gases with Prandtl Number near Unity under Laminar Flow

r = {Pr}^{\frac{1}{2}}

Go Recovery Factor for Gases with Prandtl Number near Unity under Turbulent Flow

r = {Pr}^{\frac{1}{3}}

Other formulas in Convection Heat Transfer category

Go Mass Flow Rate from Continuity Relation for One Dimensional Flow in Tube

ṁ = ρ Fluid \cdot A T \cdot u m

Go Mass Velocity

G = \frac{ṁ}{A T}

Go Mass Velocity given Mean Velocity

G = ρ Fluid \cdot u m

Go Reynolds Number given Mass Velocity

Re d = \frac{G \cdot d}{μ}

How to Evaluate Recovery Factor?

Recovery Factor evaluator uses Recovery Factor = ((Adiabatic Wall Temperature-Static Temperature of Free Stream)/(Stagnation Temperature-Static Temperature of Free Stream)) to evaluate the Recovery Factor, The Recovery Factor formula is defined as the function of adiabatic Wall Temperature, static temperature of free steam and stagnation temperature. In the actual case of a boundary-layer flow problem, the fluid is not brought to rest reversibly because the viscous action is basically an irreversible process in a thermodynamic sense. In addition, not all the free-stream kinetic energy is converted to thermal energy— part is lost as heat, and part is dissipated in the form of viscous work. To take into account the irreversibilities in the boundary-layer flow system, a recovery factor is defined. Recovery Factor is denoted by r symbol.

How to evaluate Recovery Factor using this online evaluator? To use this online evaluator for Recovery Factor, enter Adiabatic Wall Temperature (T_aw), Static Temperature of Free Stream (T_∞) & Stagnation Temperature (T_o) and hit the calculate button.

FAQs on Recovery Factor

What is the formula to find Recovery Factor?

The formula of Recovery Factor is expressed as Recovery Factor = ((Adiabatic Wall Temperature-Static Temperature of Free Stream)/(Stagnation Temperature-Static Temperature of Free Stream)). Here is an example- 1.888889 = ((410-325)/(370-325)).

How to calculate Recovery Factor?

With Adiabatic Wall Temperature (T_aw), Static Temperature of Free Stream (T_∞) & Stagnation Temperature (T_o) we can find Recovery Factor using the formula - Recovery Factor = ((Adiabatic Wall Temperature-Static Temperature of Free Stream)/(Stagnation Temperature-Static Temperature of Free Stream)).

What are the other ways to Calculate Recovery Factor?

Here are the different ways to Calculate Recovery Factor-

Recovery Factor=Prandtl Number^(1/2)
Recovery Factor=Prandtl Number^(1/3)

Let Others Know

✖

Facebook

Twitter

Copied!

: Value
: Unit

Recovery Factor Formula

​GoRecovery Factor for Gases with Prandtl Number near Unity under Laminar Flow Formula

​GoRecovery Factor for Gases with Prandtl Number near Unity under Turbulent Flow Formula

Recovery Factor Example

Recovery Factor Solution

Recovery Factor Formula Elements

Other Formulas to find Recovery Factor

Other formulas in Convection Heat Transfer category

How to Evaluate Recovery Factor?

FAQs on Recovery Factor

Variable Name

GoRecovery Factor for Gases with Prandtl Number near Unity under Laminar Flow Formula

GoRecovery Factor for Gases with Prandtl Number near Unity under Turbulent Flow Formula