Thermal Conductivity given Heat Flow Rate Calculator

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Spectrometric Characterization of Polymers

✖Heat Flow Rate is the amount of heat that is transferred per unit of time in some material, usually measured in watt. Heat is the flow of thermal energy driven by thermal non-equilibrium.ⓘ Heat Flow Rate [Q]			+10% -10%
✖Thickness of Sample is the measure of the distance between two surfaces of an sample, usually the smallest of three dimensions.ⓘ Thickness of Sample [L]			+10% -10%
✖Sample Area is defined as the space occupied by the surface of a sample.ⓘ Sample Area [A_sample]			+10% -10%
✖The Change in Temperature is the difference between the initial and final temperature.ⓘ Change in Temperature [∆T]			+10% -10%

✖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.ⓘ Thermal Conductivity given Heat Flow Rate [k]

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Formula

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Thermal Conductivity given Heat Flow Rate

Formula

`"k" = ("Q"*"L")/("A"_{"sample"}*"∆T")`

Example

`"10.18468W/(m*K)"=("125W"*"21m")/("52.6m²"*"4.9K")`

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Thermal Conductivity given Heat Flow Rate Solution

STEP 0: Pre-Calculation Summary

Formula Used

Thermal Conductivity = (Heat Flow Rate*Thickness of Sample)/(Sample Area*Change in Temperature)
k = (Q*L)/(A_sample*∆T)
This formula uses 5 Variables

Variables Used

Thermal Conductivity - (Measured in Watt per Meter per K) - 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.
Heat Flow Rate - (Measured in Watt) - Heat Flow Rate is the amount of heat that is transferred per unit of time in some material, usually measured in watt. Heat is the flow of thermal energy driven by thermal non-equilibrium.
Thickness of Sample - (Measured in Meter) - Thickness of Sample is the measure of the distance between two surfaces of an sample, usually the smallest of three dimensions.
Sample Area - (Measured in Square Meter) - Sample Area is defined as the space occupied by the surface of a sample.
Change in Temperature - (Measured in Kelvin) - The Change in Temperature is the difference between the initial and final temperature.

STEP 1: Convert Input(s) to Base Unit

Heat Flow Rate: 125 Watt --> 125 Watt No Conversion Required
Thickness of Sample: 21 Meter --> 21 Meter No Conversion Required
Sample Area: 52.6 Square Meter --> 52.6 Square Meter No Conversion Required
Change in Temperature: 4.9 Kelvin --> 4.9 Kelvin No Conversion Required

STEP 2: Evaluate Formula

Substituting Input Values in Formula

k = (Q*L)/(A_sample*∆T) --> (125*21)/(52.6*4.9)

Evaluating ... ...

k = 10.1846822379142

STEP 3: Convert Result to Output's Unit

10.1846822379142 Watt per Meter per K --> No Conversion Required

FINAL ANSWER

10.1846822379142 ≈ 10.18468 Watt per Meter per K <-- Thermal Conductivity

(Calculation completed in 00.004 seconds)

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< 9 Spectrometric Characterization of Polymers Calculators

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Thermal Conductivity given Heat Flow Rate Formula

Thermal Conductivity = (Heat Flow Rate*Thickness of Sample)/(Sample Area*Change in Temperature)
k = (Q*L)/(A_sample*∆T)

How is thermal conductivity affected by temperature?

The thermal conductivity of liquids decreases with increasing temperature as the liquid expands and the molecules moves apart. While in solids, the thermal conductivity decreases at higher temperatures due to the anharmonic scattering which is inversely proportional to the temperatures changes.

How to Calculate Thermal Conductivity given Heat Flow Rate?

Thermal Conductivity given Heat Flow Rate calculator uses Thermal Conductivity = (Heat Flow Rate*Thickness of Sample)/(Sample Area*Change in Temperature) to calculate the Thermal Conductivity, The Thermal Conductivity given Heat Flow Rate formula is defined as the rate at which heat is transferred by conduction through a unit cross-section area of a material when a temperature gradient exists perpendicular to the area. Thermal Conductivity is denoted by k symbol.

How to calculate Thermal Conductivity given Heat Flow Rate using this online calculator? To use this online calculator for Thermal Conductivity given Heat Flow Rate, enter Heat Flow Rate (Q), Thickness of Sample (L), Sample Area (A_sample) & Change in Temperature (∆T) and hit the calculate button. Here is how the Thermal Conductivity given Heat Flow Rate calculation can be explained with given input values -> 10.18468 = (125*21)/(52.6*4.9).

FAQ

What is Thermal Conductivity given Heat Flow Rate?

The Thermal Conductivity given Heat Flow Rate formula is defined as the rate at which heat is transferred by conduction through a unit cross-section area of a material when a temperature gradient exists perpendicular to the area and is represented as k = (Q*L)/(A_sample*∆T) or Thermal Conductivity = (Heat Flow Rate*Thickness of Sample)/(Sample Area*Change in Temperature). Heat Flow Rate is the amount of heat that is transferred per unit of time in some material, usually measured in watt. Heat is the flow of thermal energy driven by thermal non-equilibrium, Thickness of Sample is the measure of the distance between two surfaces of an sample, usually the smallest of three dimensions, Sample Area is defined as the space occupied by the surface of a sample & The Change in Temperature is the difference between the initial and final temperature.

How to calculate Thermal Conductivity given Heat Flow Rate?

The Thermal Conductivity given Heat Flow Rate formula is defined as the rate at which heat is transferred by conduction through a unit cross-section area of a material when a temperature gradient exists perpendicular to the area is calculated using Thermal Conductivity = (Heat Flow Rate*Thickness of Sample)/(Sample Area*Change in Temperature). To calculate Thermal Conductivity given Heat Flow Rate, you need Heat Flow Rate (Q), Thickness of Sample (L), Sample Area (A_sample) & Change in Temperature (∆T). With our tool, you need to enter the respective value for Heat Flow Rate, Thickness of Sample, Sample Area & Change in Temperature and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.

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