## Power on Exponential of Temperature-time Relation given Biot and Fourier Number Solution

STEP 0: Pre-Calculation Summary
Formula Used
Constant = -(Biot Number*Fourier Number)
a = -(Bi*Fo)
This formula uses 3 Variables
Variables Used
Constant - Constant is the number that has a fixed value in a given situation or universally or that is characteristic of some substance or instrument.
Biot Number - Biot Number is a dimensionless quantity having the ratio of internal conduction resistance to the surface convection resistance.
Fourier Number - Fourier Number is the ratio of diffusive or conductive transport rate to the quantity storage rate, where the quantity may be either heat or matter.
STEP 1: Convert Input(s) to Base Unit
Biot Number: 0.8 --> No Conversion Required
Fourier Number: 0.5 --> No Conversion Required
STEP 2: Evaluate Formula
Substituting Input Values in Formula
a = -(Bi*Fo) --> -(0.8*0.5)
Evaluating ... ...
a = -0.4
STEP 3: Convert Result to Output's Unit
-0.4 --> No Conversion Required
-0.4 <-- Constant
(Calculation completed in 00.015 seconds)
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Shri Govindram Seksaria Institute of Technology and Science (SGSITS), Indore
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## < 10+ Transient Heat Conduction Calculators

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Heat Rate = Convection Heat Transfer Coefficient*Surface Area*(Initial Temperature-Fluid temperature)*(exp(-(Convection Heat Transfer Coefficient*Surface Area*Time Elapsed)/(Density*Volume*Specific Heat Capacity))) Go
Temperature after given time elapsed
Temperature = ((Initial Temperature-Fluid temperature)*(exp(-(Convection Heat Transfer Coefficient*Surface Area*Time Elapsed)/(Density*Volume*Specific Heat Capacity))))+Fluid temperature Go
Total Heat Transfer during Time Interval
Heat transfer = Density*Specific Heat*Volume*(Initial Temperature-Fluid temperature)*(1-(exp(-(Biot Number*Fourier Number)))) Go
Ratio of temperature difference for given time elapsed
Temperature Ratio = exp(-(Convection Heat Transfer Coefficient*Surface Area*Time Elapsed)/(Density*Volume*Specific Heat Capacity)) Go
Power on exponential of temperature-time relation
Constant = -(Convection Heat Transfer Coefficient*Surface Area*Time Elapsed)/(Density*Volume*Specific Heat Capacity) Go
Product of Biot and Fourier Number in terms of System Properties
Constant = (Convection Heat Transfer Coefficient*Surface Area*Time Elapsed)/(Density*Volume*Specific Heat Capacity) Go
Time Constant in unsteady state heat transfer
Time Constant = (Density*Specific Heat Capacity*Volume)/(Convection Heat Transfer Coefficient*Surface Area) Go
Thermal Capacitance
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Ratio of Temperature difference for Time Elapsed given Biot and Fourier Number
Temperature Ratio = exp(-(Biot Number*Fourier Number)) Go
Power on Exponential of Temperature-time Relation given Biot and Fourier Number
Constant = -(Biot Number*Fourier Number) Go

## Power on Exponential of Temperature-time Relation given Biot and Fourier Number Formula

Constant = -(Biot Number*Fourier Number)
a = -(Bi*Fo)

## What is Temperature-Time relation?

The temperature-time relationship of unsteady-state heat transfer helps to determine the rate of heat transfer that has been conducted in the lumped system in a given time period.

## How to Calculate Power on Exponential of Temperature-time Relation given Biot and Fourier Number?

Power on Exponential of Temperature-time Relation given Biot and Fourier Number calculator uses Constant = -(Biot Number*Fourier Number) to calculate the Constant, The Power on Exponential of Temperature-time Relation given Biot and Fourier Number formula calculates the power on the exponential term in temperature-time relation of the lumped body when the Biot Number and Fourier Number are present. Constant is denoted by a symbol.

How to calculate Power on Exponential of Temperature-time Relation given Biot and Fourier Number using this online calculator? To use this online calculator for Power on Exponential of Temperature-time Relation given Biot and Fourier Number, enter Biot Number (Bi) & Fourier Number (Fo) and hit the calculate button. Here is how the Power on Exponential of Temperature-time Relation given Biot and Fourier Number calculation can be explained with given input values -> -0.4 = -(0.8*0.5).

### FAQ

What is Power on Exponential of Temperature-time Relation given Biot and Fourier Number?
The Power on Exponential of Temperature-time Relation given Biot and Fourier Number formula calculates the power on the exponential term in temperature-time relation of the lumped body when the Biot Number and Fourier Number are present and is represented as a = -(Bi*Fo) or Constant = -(Biot Number*Fourier Number). Biot Number is a dimensionless quantity having the ratio of internal conduction resistance to the surface convection resistance & Fourier Number is the ratio of diffusive or conductive transport rate to the quantity storage rate, where the quantity may be either heat or matter.
How to calculate Power on Exponential of Temperature-time Relation given Biot and Fourier Number?
The Power on Exponential of Temperature-time Relation given Biot and Fourier Number formula calculates the power on the exponential term in temperature-time relation of the lumped body when the Biot Number and Fourier Number are present is calculated using Constant = -(Biot Number*Fourier Number). To calculate Power on Exponential of Temperature-time Relation given Biot and Fourier Number, you need Biot Number (Bi) & Fourier Number (Fo). With our tool, you need to enter the respective value for Biot Number & Fourier Number 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 Constant?
In this formula, Constant uses Biot Number & Fourier Number. We can use 2 other way(s) to calculate the same, which is/are as follows -
• Constant = -(Convection Heat Transfer Coefficient*Surface Area*Time Elapsed)/(Density*Volume*Specific Heat Capacity)
• Constant = (Convection Heat Transfer Coefficient*Surface Area*Time Elapsed)/(Density*Volume*Specific Heat Capacity) Let Others Know