Open Access
Table 1
Design variables and associated domain of values.
| Design variables x = [x1, …, x6]T | Name | Unit | Domain Ω(X) = [x−; x+] | ||
|---|---|---|---|---|---|
| x− | x+ | Type | |||
| Inlet product temperature (x1) | Tpi | °C | 70 | 90 | Continuous |
| Inlet coolant temperature (x2) | Tcl | °C | 15 | 25 | Continuous |
| Inlet coolant flow rate (x3) | qcl | t/h | 1 | 20 | Continuous |
| Flow rate of the coolant added to the low-pressure condenser (x4) | qcl+ | t/h | 1 | 25 | Continuous |
| Number of plates in the low-pressure condenser (x5) | NLP | – | 6 | 250 | Discrete |
| Number of plates in the very low-pressure condenser (x6) | NVLP | – | 6 | 250 | Discrete |
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