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Thermal resistance is a heat property and a measurement of a temperature difference by which an object or material resists a heat flow. Check FAQs
Rth=R1+R2
Rth - Thermal Resistance?R1 - Thermal Resistance 1?R2 - Thermal Resistance 2?

Total Thermal Resistance for Conduction through Two Resistances in Series Example

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Here is how the Total Thermal Resistance for Conduction through Two Resistances in Series equation looks like with Values.

Here is how the Total Thermal Resistance for Conduction through Two Resistances in Series equation looks like with Units.

Here is how the Total Thermal Resistance for Conduction through Two Resistances in Series equation looks like.

5Edit=2Edit+3Edit
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HomeIcon Home » Category Physics » Category Mechanical » Category Heat and Mass Transfer » fx Total Thermal Resistance for Conduction through Two Resistances in Series

Total Thermal Resistance for Conduction through Two Resistances in Series Solution

Follow our step by step solution on how to calculate Total Thermal Resistance for Conduction through Two Resistances in Series?

FIRST Step Consider the formula
Rth=R1+R2
Next Step Substitute values of Variables
∴ Rth=2K/W+3K/W
Next Step Prepare to Evaluate
∴ Rth=2+3
LAST Step Evaluate
∴Rth=5K/W

Total Thermal Resistance for Conduction through Two Resistances in Series Formula Elements

Variables
Thermal Resistance
Thermal resistance is a heat property and a measurement of a temperature difference by which an object or material resists a heat flow.
Symbol: Rth
Measurement: Thermal ResistanceUnit: K/W
Note: Value can be positive or negative.
Formulas to find Thermal ResistanceOpen Variable
Thermal Resistance 1
Thermal Resistance 1 is the thermal resistance of the first body/object/section/wall.
Symbol: R1
Measurement: Thermal ResistanceUnit: K/W
Note: Value should be greater than 0.
Formulas to find Thermal Resistance 1Open Variable
Thermal Resistance 2
Thermal Resistance 2 is the thermal resistance of the second body/object/section/wall.
Symbol: R2
Measurement: Thermal ResistanceUnit: K/W
Note: Value should be greater than 0.
Formulas to find Thermal Resistance 2Open Variable

Other Formulas to find Thermal Resistance

​Go Thermal resistance for conduction through 2 resistances in parallel
Rth=Lh(k1⋅A1)+(k2⋅A2)

Other formulas in Fundamental of Heat Transfer category

​Go Newton's Law of Cooling
q=ht⋅(Tw-Tf)
​Go Heat Flux
q=ko⋅Tl
​Go Heat Transfer
Qh=TvdRth
​Go Heat Transfer According to Fourier's Law
Qc=-(k⋅As⋅ΔTL)

How to Evaluate Total Thermal Resistance for Conduction through Two Resistances in Series?

Total Thermal Resistance for Conduction through Two Resistances in Series evaluator uses Thermal Resistance = Thermal Resistance 1+Thermal Resistance 2 to evaluate the Thermal Resistance, Total Thermal Resistance for Conduction through Two Resistances in Series formula is defined as a measure of the overall resistance to heat flow when two thermal resistances are arranged in series, impacting the efficiency of heat transfer in a system. Thermal Resistance is denoted by Rth symbol.

How to evaluate Total Thermal Resistance for Conduction through Two Resistances in Series using this online evaluator? To use this online evaluator for Total Thermal Resistance for Conduction through Two Resistances in Series, enter Thermal Resistance 1 (R1) & Thermal Resistance 2 (R2) and hit the calculate button.

FAQs on Total Thermal Resistance for Conduction through Two Resistances in Series

What is the formula to find Total Thermal Resistance for Conduction through Two Resistances in Series?
The formula of Total Thermal Resistance for Conduction through Two Resistances in Series is expressed as Thermal Resistance = Thermal Resistance 1+Thermal Resistance 2. Here is an example- 5 = 2+3.
How to calculate Total Thermal Resistance for Conduction through Two Resistances in Series?
With Thermal Resistance 1 (R1) & Thermal Resistance 2 (R2) we can find Total Thermal Resistance for Conduction through Two Resistances in Series using the formula - Thermal Resistance = Thermal Resistance 1+Thermal Resistance 2.
What are the other ways to Calculate Thermal Resistance?
Here are the different ways to Calculate Thermal Resistance-
  • Thermal Resistance=(Length)/((Thermal Conductivity 1*Point 1 Cross-Sectional Area)+(Thermal Conductivity 2*Point 2 Cross-Sectional Area))OpenImg
Can the Total Thermal Resistance for Conduction through Two Resistances in Series be negative?
Yes, the Total Thermal Resistance for Conduction through Two Resistances in Series, measured in Thermal Resistance can be negative.
Which unit is used to measure Total Thermal Resistance for Conduction through Two Resistances in Series?
Total Thermal Resistance for Conduction through Two Resistances in Series 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 for Conduction through Two Resistances in Series can be measured.
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