期刊
出版社
PROFESSIONAL ENGINEERING PUBLISHING LTD
DOI: 10.1243/0954406JMES477
关键词
steam turbines; two-phase flows; non-equilibrium flow; time marching; cascades of blades; fluid dynamics; nucleation; wet steam
This paper describes a comparative study of the treatment of two-dimensional nucleating flows of steam using two different time-marching numerical schemes. A treatment based on Denton's scheme but a refined grid has been available from earlier work. To compare with this a treatment based on the Runge-Kutta scheme has been developed, which is described. Solutions using this scheme and a simple mesh are compared with experimental results and with solutions using the earlier treatment. The agreement obtained between the two schemes and with the experimental results is satisfactory. Oscillating flows in a convergent-divergent nozzle are also examined and excellent agreement obtained with experimental measurements.
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