Research Article
A Differential-Algebraic Model for the Once-Through Steam Generator of MHTGR-Based Multimodular Nuclear Plants
Table 1
Comparison of the steady simulation results and designed data.
| | Power-level/RFP | 100% | 90% | 75% | 50% | 30% |
| | Helium flowrate /(kg/s) | 96.26 | 83.95 | 72.58 | 51.3 | 33.44 | | Feedwater flowrate /(kg/s) | 93.25 | 84.24 | 70.75 | 48.76 | 30.93 | | Hot helium temperature /°C | 750.0 | 743.5 | 733.75 | 717.5 | 704.5 | | Feedwater temperature /°C | 205.2 | 199.1 | 191.1 | 175.1 | 157.1 | | Designed outlet steam temperature /°C | 571.0 | 571.0 | 571.0 | 571.0 | 571.0 | | Simulated outlet steam temperature /°C | 571.0 | 571.0 | 571.0 | 571.0 | 571.0 | | Relative error of steam temperature/% | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | | Designed cold helium temperature /°C | 243.0 | 237.2 | 228.5 | 214.0 | 202.4 | | Simulated cold helium temperature /°C | 242.5 | 236.5 | 229.4 | 215.2 | 200.0 | | Relative error of cold helium temperature/% | 0.20 | 0.30 | 0.39 | 0.56 | 1.19 |
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