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单词 transient response
释义
transient response

Chemical Engineering
  • A short, brief, or temporary change in the state of a system when there has been a disturbance. The transient effects in a well-controlled system tend to die away with time, allowing the system to settle to a steady-state condition. For example, a thermometer initially reading a temperature T1 immersed in a hot oil of temperature To will read a new temperature of T2:

    T2=To(ToT1)etτ

    where τ is the time constant. The exponential term will eventually die away with time to give the steady-state value of the thermometer reading the oil temperature.


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