Abstract
Parameters of critical heat flux modelling in inclined rectangular channels for high-pressure convective two-phase flows have been derived using the compensated distortion method of Ahmad [Int. J. Heat Mass Transfer 16 (1973) 641]. Fréon R12 was used as the modelling fluid. A specific expression for the modelling parameter has been obtained by introducing a new dimensionless parameter that accounts for the effect of inclination on critical heat flux. This parameter is built by balancing the inertial force acting on a particle against the viscous effect corrected by a transverse term of gravity. In the same time, a dimensionless correlation of critical heat flux is proposed, which describes available data with an r.m.s. error of 13.1%.
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