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Unformatted text preview: Ai . The feed flow rate is w i , as shown below in the drawing. Under certain conditions the system operates according to the model ( 29 A A Ai i A i Vkc wc c w dt Vc d w w dt V d r r r--=-= ) ( Derive transfer functions for the outlet concentration c A with respect to (a) c Ai , and (b) w i . Assume that w remains equal to w i for both parts (a) and (b). OPTIONAL: 5.0 Exercise 4.3 Note : Equation (2-45) is d( ρς 29 δτ = ϖ ι- ϖ Equation (2-46) is dT dt = ϖ ι ρς Τ ι- Τ ( 29 + Θ ς ρΧ Eq. (2-46) has a typo in the textbook; use the equation given above instead. Hint : Applepolsher obtained the wrong answer because he did not notice that = ς φ (show that this indeed the mistake he made)....
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