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a tank containing warm liquid sits outside, where the air temperature is constant at To[C]. to keep the liquid warm, steam at constant temperature Ts[C]
a tank containing warm liquid sits outside, where the air temperature is constant at To[C]. to keep the liquid warm, steam at constant temperature Ts[C] is directly injected into the liquid at a variable rate F=F(t)[kg/min]. a dynamic model for the temperature T=T(t) [C] of liquid in the tank is: VcpdtdT=F(t)Hv+UA[ToT(t)]+F(t)cp[TsT(t)] with (constant) parameters: - V[L] : volume of liquid in tank - cp[k]/(kgC)] : specific heat of liquid - [kg/L] : density of liquid - Hv[k]/kg] : heat of vaporization of steam - A[m2] : surface area of tank - U[k]/(minm2C)] : heat transfer coefficient let F be the nominal steady-state value of the flow rate of steam, F, and T be the corresponding steady-state value of the temperature of the liquid in the tank, T. write a linear approximation, valid near (T,F), of the nonlinear model in eqn. 1 for how the output T(t) is influenced by the input F(t). write the linearized ODE (ordinary differential equation) model in terms of deviation variables T(t):= T(t)T and F(t):=F(t)F. use your linearized model to derive the transfer function G(s)=T(s)/F(s) governing the dynamics of how the input F(s):=L[F(t)] affects the output T(s):= L[T(t)]. for this part only, use the numerical values in the table below. write the transfer function in the box below
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