Research Article
A Small-Sized HTGR System Design for Multiple Heat Applications for Developing Countries
Table 8
Major specifications of steam generator.
| Parameters | Values |
| Thermal duty (MW) | 50 | Primary helium | | Temperature (inlet/outlet) (°C) | 750/325 | Flow rate (kg/s) | 22.4 | Water/steam | | Temperature (inlet/outlet) (°C) | 200/538 | Pressure (inlet/outlet) (MPa) | 13.3/12.5 | Flow rate (kg/s) | 19.3 | Heat exchanger tube | | Material | Evaporator: 2.25Cr-1Mo steel | Super heater: Alloy 800H | Outer diameter (mm) | 31.8 | Thickness (mm) | 3.5 | Number of tubes | 36 | Helical tube bundle | | Number of layers | 8 | Outer diameter (m) | 1.4 | Inner diameter (m) | 0.7 | Effective heat transfer area (m2) | 260 |
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