FormulaDen.com

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

Total Thermal Resistance of Plane Wall with Convection on Both Sides Formula

Fx Copy

LaTeX Copy

Thermal resistance with Convection is a heat property and a measurement of a temperature difference by which an object or material resists a heat flow. Check FAQs

r th = \frac{1}{h i \cdot A w1} + \frac{L}{k \cdot A w1} + \frac{1}{h o \cdot A w1}

r_th - Thermal Resistance with Convection?h_i - Inside Convection?A_w1 - Area of Wall?L - Length?k - Thermal Conductivity?h_o - External Convection?

Total Thermal Resistance of Plane Wall with Convection on Both Sides Example

With values

With units

Only example

Here is how the Total Thermal Resistance of Plane Wall with Convection on Both Sides equation looks like with Values.

Here is how the Total Thermal Resistance of Plane Wall with Convection on Both Sides equation looks like with Units.

Here is how the Total Thermal Resistance of Plane Wall with Convection on Both Sides equation looks like.

0.0229 = \frac{1}{1.35 \cdot 50} + \frac{3}{10 \cdot 50} + \frac{1}{9.8 \cdot 50}

0.0229K/W = \frac{1}{1.35W/m²*K \cdot 50m²} + \frac{3m}{10W/(m*K) \cdot 50m²} + \frac{1}{9.8W/m²*K \cdot 50m²}

0.0229 = \frac{1}{1.35 \cdot 50} + \frac{3}{10 \cdot 50} + \frac{1}{9.8 \cdot 50}

Tip: Use pencil ( Pencil

) icon above to edit Input Values and Units.

Calculate

Recalculate

Solution

Copy

Reset

You are here -

Home » Category

Physics » Category

Mechanical » Category

Heat and Mass Transfer » fx Total Thermal Resistance of Plane Wall with Convection on Both Sides

Total Thermal Resistance of Plane Wall with Convection on Both Sides Solution

Follow our step by step solution on how to calculate Total Thermal Resistance of Plane Wall with Convection on Both Sides?

FIRST Step Consider the formula

r th = \frac{1}{h i \cdot A w1} + \frac{L}{k \cdot A w1} + \frac{1}{h o \cdot A w1}

Next Step Substitute values of Variables

∴

r th = \frac{1}{1.35W/m²*K \cdot 50m²} + \frac{3m}{10W/(m*K) \cdot 50m²} + \frac{1}{9.8W/m²*K \cdot 50m²}

Next Step Prepare to Evaluate

∴

r th = \frac{1}{1.35 \cdot 50} + \frac{3}{10 \cdot 50} + \frac{1}{9.8 \cdot 50}

Next Step Evaluate

∴

r th = 0.0228556311413454K/W

LAST Step Rounding Answer

∴

r th = 0.0229K/W

Total Thermal Resistance of Plane Wall with Convection on Both Sides Formula Elements

Variables

Thermal Resistance with Convection

Thermal resistance with Convection is a heat property and a measurement of a temperature difference by which an object or material resists a heat flow.

Symbol: r_th

Measurement: Thermal ResistanceUnit: K/W

Note: Value should be greater than 0.

Formulas to find Thermal Resistance with Convection

Inside Convection

Inside Convection Heat Transfer Coefficient is the coefficient of convection heat transfer at the inside surface of the body or object or wall, etc.

Symbol: h_i

Measurement: Heat Transfer CoefficientUnit: W/m²*K

Note: Value should be greater than 0.

Formulas to find Inside Convection

Area of Wall

Area of Wall refers to the surface area of the wall, which is the total amount of space that it occupies. It is typically measured in square units such as square feet or square meters.

Symbol: A_w1

Measurement: AreaUnit: m²

Note: Value should be greater than 0.

Formulas to find Area of Wall

Length

Length is the measurement or extent of something from end to end.

Symbol: L

Measurement: LengthUnit: m

Note: Value should be greater than 0.

Formulas to find Length

Thermal Conductivity

Thermal Conductivity is rate of heat passes through specified material, expressed as amount of heat flows per unit time through a unit area with a temperature gradient of one degree per unit distance.

Symbol: k

Measurement: Thermal ConductivityUnit: W/(m*K)

Note: Value should be greater than 0.

Formulas to find Thermal Conductivity

External Convection

External Convection is the proportionality constant between the heat flux and the thermodynamic driving force for the flow of heat in case of convective heat transfer.

Symbol: h_o

Measurement: Heat Transfer CoefficientUnit: W/m²*K

Note: Value should be greater than 0.

Formulas to find External Convection

Other formulas in Single Plane Wall category

Go Thermal Resistance of Wall

R th = \frac{L}{k \cdot A}

Go Thickness of Plane Wall for Conduction through Wall

L = \frac{(T i - T o) \cdot k \cdot A w1}{Q}

Go Area of Plane Wall Required for Given Temperature Difference

A w1 = \frac{Q \cdot L}{k \cdot (T i - T o)}

Go Thermal Conductivity of Material Required to Maintain Given Temperature Difference

k = \frac{Q \cdot L}{(T i - T o) \cdot A w1}

How to Evaluate Total Thermal Resistance of Plane Wall with Convection on Both Sides?

Total Thermal Resistance of Plane Wall with Convection on Both Sides evaluator uses Thermal Resistance with Convection = 1/(Inside Convection*Area of Wall)+Length/(Thermal Conductivity*Area of Wall)+1/(External Convection*Area of Wall) to evaluate the Thermal Resistance with Convection, The Total Thermal Resistance of Plane Wall with Convection on both Sides formula is defined as the total thermal resistance offered by a plain wall when subjected to convection on either side. It is obtained by adding the convection resistances and conduction resistance. Thermal Resistance with Convection is denoted by r_th symbol.

How to evaluate Total Thermal Resistance of Plane Wall with Convection on Both Sides using this online evaluator? To use this online evaluator for Total Thermal Resistance of Plane Wall with Convection on Both Sides, enter Inside Convection (h_i), Area of Wall (A_w1), Length (L), Thermal Conductivity (k) & External Convection (h_o) and hit the calculate button.

FAQs on Total Thermal Resistance of Plane Wall with Convection on Both Sides

What is the formula to find Total Thermal Resistance of Plane Wall with Convection on Both Sides?

The formula of Total Thermal Resistance of Plane Wall with Convection on Both Sides is expressed as Thermal Resistance with Convection = 1/(Inside Convection*Area of Wall)+Length/(Thermal Conductivity*Area of Wall)+1/(External Convection*Area of Wall). Here is an example- 0.022856 = 1/(1.35*50)+3/(10*50)+1/(9.8*50).

How to calculate Total Thermal Resistance of Plane Wall with Convection on Both Sides?

With Inside Convection (h_i), Area of Wall (A_w1), Length (L), Thermal Conductivity (k) & External Convection (h_o) we can find Total Thermal Resistance of Plane Wall with Convection on Both Sides using the formula - Thermal Resistance with Convection = 1/(Inside Convection*Area of Wall)+Length/(Thermal Conductivity*Area of Wall)+1/(External Convection*Area of Wall).

Can the Total Thermal Resistance of Plane Wall with Convection on Both Sides be negative?

No, the Total Thermal Resistance of Plane Wall with Convection on Both Sides, measured in Thermal Resistance cannot be negative.

Which unit is used to measure Total Thermal Resistance of Plane Wall with Convection on Both Sides?

Total Thermal Resistance of Plane Wall with Convection on Both Sides is usually measured using the Kelvin per Watt[K/W] for Thermal Resistance. Degree Fahrenheit hour per Btu (IT)[K/W], Degree Fahrenheit Hour per Btu (th)[K/W], Kelvin per Milliwatt[K/W] are the few other units in which Total Thermal Resistance of Plane Wall with Convection on Both Sides can be measured.

Let Others Know

✖

Facebook

Twitter

Copied!

: Value
: Unit

Total Thermal Resistance of Plane Wall with Convection on Both Sides Formula

Total Thermal Resistance of Plane Wall with Convection on Both Sides Example

Total Thermal Resistance of Plane Wall with Convection on Both Sides Solution

Total Thermal Resistance of Plane Wall with Convection on Both Sides Formula Elements

Other formulas in Single Plane Wall category

How to Evaluate Total Thermal Resistance of Plane Wall with Convection on Both Sides?

FAQs on Total Thermal Resistance of Plane Wall with Convection on Both Sides

Variable Name