- - - - - PROBLEM DATA - - - - - |
| Stream | Tin(K) | Tout(k) | FCP(kW/K) | CFI(kW/m2 K) |
| Stream 1 | 650.00 | 370.00 | 10.00 | 1.00 |
| Stream 2 | 590.00 | 370.00 | 20.00 | 1.00 |
| Stream | Tin(K) | Tout(k) | FCP(kW/K) | CFJ(kW/m2 K) |
| Stream 1 | 410.00 | 650.00 | 15.00 | 1.00 |
| Stream 2 | 350.00 | 500.00 | 13.00 | 1.00 |
| Utillity | Tin(K) | Tout(k) | CFU(kW/m2 K) |
| HOT | 680.00 | 680.00 | 5.00 |
| COLD | 300.00 | 320.00 | 1.00 |
| COST OF HEATING UTILITY | ($/kW-yr) | 85.00 |
| COST OF COOLING UTILITY | ($/kW-yr) | 15.00 |
| FIXED CHARGE FOR EXCHANGER | ($/yr) | 1000.00 |
| AREA COST COEFFICIENT FOR EXCHANGERS | ($/m2) | 380.00 |
| AREA COST COEFFICIENT FOR HEATERS | ($/m2) | 380.00 |
| AREA COST COEFFICIENT FOR COOLERS | ($/m2) | 380.00 |
| AREA COST EXPONENT FOR EXCHANGERS | 1.00 |
| STAGES | 2 |
| MINIMUM APPROACH OF TEMPERATURE (EMAT) | (K) | 10.00 | ||
| FORBIDEN MATCHES | : NONE |
| REQUIERED MATCHES | : NONE |
| SPLIT CONSTRAINTS | : NONE |
- - - - - RESULTS - - - - - |
| STAGE : 1 HEAT EXCHANGER 1 | |||
| STREAM | Tin (K) | Tout (K) | FCP(kW/K) |
| HOT 1 | 650.00 | 584.01 | 10.00 |
| COLD 1 | 562.29 | 606.28 | 15.00 |
| HEAT LOAD (kW) = | 659.91 | ||
| AREA BY CHEN APPROXIMATION (m2) = | 41.99 | ||
| AREA BY LOG MEAN (m2) = | 41.97 | ||
| STAGE : 2 HEAT EXCHANGER 2 | |||
| STREAM | Tin (K) | Tout (K) | FCP(kW/K) |
| HOT 1 | 584.01 | 389.01 | 10.00 |
| COLD 2 | 350.00 | 500.00 | 13.00 |
| HEAT LOAD (kW) = | 1950.00 | ||
| AREA BY CHEN APPROXIMATION (m2) = | 66.52 | ||
| AREA BY LOG MEAN (m2) = | 66.48 | ||
| STAGE : 2 HEAT EXCHANGER 3 | |||
| STREAM | Tin (K) | Tout (K) | FCP(kW/K) |
| HOT 2 | 590.00 | 475.78 | 20.00 |
| COLD 1 | 410.00 | 562.29 | 15.00 |
| HEAT LOAD (kW) = | 2284.35 | ||
| AREA BY CHEN APPROXIMATION (m2) = | 103.83 | ||
| AREA BY LOG MEAN (m2) = | 103.75 | ||
| HEAT EXCHANGER | COLD STREAM | AREA(m2) | HEAT LOAD(kW) |
| 4 | 1 | 16.20 | 655.74 |
| TOTAL | 16.20 | 655.74 |
| HEAT EXCHANGER | HOT STREAM | AREA(m2) | COOLING LOAD(kW) |
| 5 | 1 | 5.47 | 190.09 |
| 6 | 2 | 39.48 | 2115.65 |
| TOTAL | 44.95 | 2305.74 |
| TOTAL HEAT LOAD OF UTILITIES (kW) : | 2961.48 | ||
| TOTAL NUMBER OF HEAT EXCHANGERS : | 6 | ||
| TOTAL AREA OF HEAT EXCHANGERS (m2) : | 273.35 | ||
| HOT AND COLD STREAMS | |||
| BY CHEN APPROXIMATION : | 212.33 | ||
| BY LOG MEAN : | 212.20 | ||
| UTILITIES : | 61.15 | ||
| TOTAL UTILITY COSTS ($/yr) : | 90324.06 | ||
| HEATING : | 55737.95 | ||
| COOLING : | 34586.11 | ||
| INVESTMENT COST ($/yr) : | 109922.71 | ||
| TOTAL NETWORK COST ($/yr) : | 200246.77 | ||
| Optimal Network Configuration |
| T - Q Curve |
| GAMS LIST FILE |