Research Article
Application of the Critical Heat Flux Look-Up Table to Large Diameter Tubes
Table 2
Effect of high heat flux and tube blockage on CHF occurrence for a 67 mm vertical boiler tube.
| Parameter | Base case | High heat flux case | 90% tube blockage |
| Heat flux (KW·m−2) | 100 | 400 | 100 | Pressure (kPa) | 6,000 | 6,000 | 6,000 | Vertical heated length (m) | 10 | 10 | 10 | Inlet quality to vertical tube (—) | 0 | 0 | 0 | Mass flux (kg·m−2·s−1) | 1,000 | 1,000 | 100 | Tube exit quality (—) | 0.038 | 0.152 | 0.380 | Critical heat flux (kW·m−2) | 3,262 | 2,760 | 1,580 |
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