Time Constant in Chemical Engineering Formulas

Time Constant (𝜏) is the time required by the response to reach 63.2% of its ultimate value. If 𝜏 is high that means system will response fast. And is denoted by 𝜏. Time Constant is usually measured using the Second for Time. Note that the value of Time Constant is always positive.

Formulas to find Time Constant in Chemical Engineering

fxTime Constant for Mercury in Glass ThermometerGo

fxTime Constant for Mixing ProcessGo

fxTime Constant for Heating ProcessGo

Chemical Engineering formulas that make use of Time Constant

fxTime Period of Oscillations using Time Constant and Damping FactorGo

List of variables in Chemical Engineering formulas

fx Mass Go

fx Specific Heat Go

fx Heat Transfer Coefficient Go

fx Area Go

fx Volume Go

fx Volumetric Flow Rate of Feed to Reactor Go

fx Density Go

fx Mass Flow Rate Go

FAQ

What is the Time Constant?

Time Constant (𝜏) is the time required by the response to reach 63.2% of its ultimate value. If 𝜏 is high that means system will response fast. Time Constant is usually measured using the Second for Time. Note that the value of Time Constant is always positive.

Can the Time Constant be negative?

No, the Time Constant, measured in Time cannot be negative.

What unit is used to measure Time Constant?

Time Constant is usually measured using the Second[s] for Time. Millisecond[s], Microsecond[s], Nanosecond[s] are the few other units in which Time Constant can be measured.

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