Adiabatic Wall Enthalpy for Flat Plate Solution

STEP 0: Pre-Calculation Summary
Formula Used
Adiabatic Wall Enthalpy = Static Enthalpy+Recovery Factor*(Total Specific Enthalpy-Static Enthalpy)
haw = he+r*(h0-he)
This formula uses 4 Variables
Variables Used
Adiabatic Wall Enthalpy - (Measured in Joule per Kilogram) - Adiabatic wall enthalpy, is the Enthalpy of a fluid flowing around a solid body; it corresponds to the adiabatic wall temperature.
Static Enthalpy - (Measured in Joule per Kilogram) - Static Enthalpy is the constant enthalpy of the fluid.
Recovery Factor - Recovery Factor is a dimensionless number defined by the ratio of difference in enthalpies.
Total Specific Enthalpy - (Measured in Joule per Kilogram) - Total Specific Enthalpy defined to be the sum of the internal energy E plus the product of the pressure p and volume V.
STEP 1: Convert Input(s) to Base Unit
Static Enthalpy: 40 Joule per Kilogram --> 40 Joule per Kilogram No Conversion Required
Recovery Factor: 2.7 --> No Conversion Required
Total Specific Enthalpy: 200 Joule per Kilogram --> 200 Joule per Kilogram No Conversion Required
STEP 2: Evaluate Formula
Substituting Input Values in Formula
haw = he+r*(h0-he) --> 40+2.7*(200-40)
Evaluating ... ...
haw = 472
STEP 3: Convert Result to Output's Unit
472 Joule per Kilogram --> No Conversion Required
FINAL ANSWER
472 Joule per Kilogram <-- Adiabatic Wall Enthalpy
(Calculation completed in 00.004 seconds)

Credits

Created by Sanjay Krishna
Amrita School of Engineering (ASE), Vallikavu
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Verified by Rushi Shah
K J Somaiya College of Engineering (K J Somaiya), Mumbai
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15 Viscous Flow Calculators

Static Velocity Equation using Aerodynamic Heating Equation
Go Static Velocity = Local Heat Transfer Rate/(Static Density*Stanton Number*(Adiabatic Wall Enthalpy-Wall Enthalpy))
Static Density Equation using Aerodynamic Equation
Go Static Density = Local Heat Transfer Rate/(Static Velocity*Stanton Number*(Adiabatic Wall Enthalpy-Wall Enthalpy))
Aerodynamic Heating Equation for Stanton number
Go Stanton Number = Local Heat Transfer Rate/(Static Density*Static Velocity*(Adiabatic Wall Enthalpy-Wall Enthalpy))
Recovery Factor using Temperature
Go Recovery Factor = (Adiabatic Wall Temperature-Static Temperature)/(Total Temperature-Static Temperature)
Recovery Factor for Flat Plate with Viscous Flow
Go Recovery Factor = (Adiabatic Wall Enthalpy-Static Enthalpy)/(Total Specific Enthalpy-Static Enthalpy)
Adiabatic Wall Enthalpy for Flat Plate
Go Adiabatic Wall Enthalpy = Static Enthalpy+Recovery Factor*(Total Specific Enthalpy-Static Enthalpy)
Drag per Unit Span
Go Drag Force = (0.86*Dynamic Pressure*Distance from Leading Edge)/sqrt(Reynolds Number)
Skin-Friction Drag Coefficient
Go Skin friction coefficient = Skin Friction Drag Force/(Dynamic Pressure*Reference Area)
Skin-Friction Drag for Flat Plate in Viscous Flow
Go Skin Friction Drag Force = Dynamic Pressure*Reference Area*Skin friction coefficient
Adiabatic Wall Enthalpy using Recovery Factor
Go Adiabatic Wall Enthalpy = Static Enthalpy+Recovery Factor*(Static Velocity^2)/2
Coefficient of Friction using Stanton Number for Flat Plate Case
Go Coefficient of Friction = (2*Stanton Number)/(Prandtl Number^(-2/3))
Stanton Number with Coefficient of Friction
Go Stanton Number = 0.5*Coefficient of Friction*Prandtl Number^(-2/3)
Total Enthalpy in Inviscid Flow Outside Boundary Layer
Go Total Specific Enthalpy = Static Enthalpy+(Static Velocity^2)/2
Recovery Factor Calculation using Prandtl Number
Go Recovery Factor = sqrt(Prandtl Number)
Prandtl Number for Flat Plate with Viscous Flow
Go Prandtl Number = Recovery Factor^2

Adiabatic Wall Enthalpy for Flat Plate Formula

Adiabatic Wall Enthalpy = Static Enthalpy+Recovery Factor*(Total Specific Enthalpy-Static Enthalpy)
haw = he+r*(h0-he)

What is enthalpy?

Enthalpy is a property of a thermodynamic system, defined as the sum of the system's internal energy and the product of its pressure and volume.

How to Calculate Adiabatic Wall Enthalpy for Flat Plate?

Adiabatic Wall Enthalpy for Flat Plate calculator uses Adiabatic Wall Enthalpy = Static Enthalpy+Recovery Factor*(Total Specific Enthalpy-Static Enthalpy) to calculate the Adiabatic Wall Enthalpy, The Adiabatic wall enthalpy for flat plate formula is defined as the function of static enthalpy, recovery factor and total enthalpy. Adiabatic Wall Enthalpy is denoted by haw symbol.

How to calculate Adiabatic Wall Enthalpy for Flat Plate using this online calculator? To use this online calculator for Adiabatic Wall Enthalpy for Flat Plate, enter Static Enthalpy (he), Recovery Factor (r) & Total Specific Enthalpy (h0) and hit the calculate button. Here is how the Adiabatic Wall Enthalpy for Flat Plate calculation can be explained with given input values -> 472 = 40+2.7*(200-40).

FAQ

What is Adiabatic Wall Enthalpy for Flat Plate?
The Adiabatic wall enthalpy for flat plate formula is defined as the function of static enthalpy, recovery factor and total enthalpy and is represented as haw = he+r*(h0-he) or Adiabatic Wall Enthalpy = Static Enthalpy+Recovery Factor*(Total Specific Enthalpy-Static Enthalpy). Static Enthalpy is the constant enthalpy of the fluid, Recovery Factor is a dimensionless number defined by the ratio of difference in enthalpies & Total Specific Enthalpy defined to be the sum of the internal energy E plus the product of the pressure p and volume V.
How to calculate Adiabatic Wall Enthalpy for Flat Plate?
The Adiabatic wall enthalpy for flat plate formula is defined as the function of static enthalpy, recovery factor and total enthalpy is calculated using Adiabatic Wall Enthalpy = Static Enthalpy+Recovery Factor*(Total Specific Enthalpy-Static Enthalpy). To calculate Adiabatic Wall Enthalpy for Flat Plate, you need Static Enthalpy (he), Recovery Factor (r) & Total Specific Enthalpy (h0). With our tool, you need to enter the respective value for Static Enthalpy, Recovery Factor & Total Specific Enthalpy 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 Adiabatic Wall Enthalpy?
In this formula, Adiabatic Wall Enthalpy uses Static Enthalpy, Recovery Factor & Total Specific Enthalpy. We can use 1 other way(s) to calculate the same, which is/are as follows -
  • Adiabatic Wall Enthalpy = Static Enthalpy+Recovery Factor*(Static Velocity^2)/2
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