Science and Technology of Nuclear Installations / 2013 / Article / Tab 4

Research Article

Application of the Critical Heat Flux Look-Up Table to Large Diameter Tubes

Table 4

Effect of high heat flux and tube blockage on CHF occurrence.

ParameterBase caseHigh heat flux case80% tube blockage90% tube blockage

Heat flux (kW·m−2)100400100100
Pressure (kPa)6,0006,0006,0006,000
Heated length (m)15151515
Inlet quality to vertical tube (—)0000
Mass flux (kg·m−2·s−1)1,0001,000200100
Tube exit quality (—)0.0570.2280.2850.570
Critical heat flux (kW·m−2)72971417358.8

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