unsw ceic3000 w2slide process modeling and analysis

unsw ceic3000 w2slide process modeling and analysis -...

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CEIC3000 Process Modelling and Analysis Week 2 A/Prof. Jie Bao
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2 General Modelling Principles Steady-state models Dynamic models Integral Balance Instantaneous Balances Basic elements of a model Model classification Modelling Procedure Constitution relationships An Example
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3 Steady-state models Mass and energy balance We define the process within a boundary a system . A system can be a physical process unit, a number of units or a part of a physical process unit.
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4 Dynamic models Integral Balance
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5 Dynamic models – Integral Balance
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6 Dynamic models Instantaneous Balances
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Equivalence of instantaneous balance and integral balance CEIC3000 Chem. Eng. Fundamentals 3 7
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8 Equivalence of instantaneous balance and integral balance
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More Complex Examples Divide and conquer Two tanks in series Two interactive tanks CEIC3000 Chem. Eng. Fundamentals 3 9
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10 Basic elements of a model (review) The input variables are not necessary the inlet mass flow/energy flow to the system; The output variables are not necessary the outlet mass flow/energy flow out of the system.
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11 Model classification Lumped parameter systems
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12 Model classification Distributed parameter systems
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13 Modelling Procedure
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14 Constitution relationships
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Constitution relationships 15
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16 Constitution relationships
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17 Constitution relationships
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18 Constitution relationships
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19 Example
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