Experimental Investigation of Periodic Dryout and Continuous Dryout in Vertical Channel under Oscillatory Flow Condition
The CHF experiments in vertical channel have been carried out with forced sinusoidal oscillation of inlet mass flux. Periodic dryout and continuous dryout were observed under oscillatory flow condition. The effects of oscillatory flow parameters on CHF were obtained The normalized periodic dryout heat flux, Fp, decreased significantly with increasing the dimensionless amplitude of oscillation, Δgmax/Gavg. And the Fp corresponded to a lower limit, Flim, at large Δgmax/Gavg. The Flim increased with the decrease of τ or Gavg. The normalized continuous dryout heat flux, Fc, decrease significantly at τ=10s, Δgmax/Gavg>1. The system pressure has no remarkable effects on Fp and Fc.
Critical Heat Flux Flow oscillation Periodic Dryout Continuous Dryout
D.W. Zhao G.H. Su Z.H. Liang Y.J. Zhang W.X. Tian S.Z. Qiu
State Key Laboratory of Multiphase Flow in Power Engineering, Department of Nuclear Science and Technology, Xi’an Jiaotong University, 710049, China
国际会议
上海
英文
1943-1953
2010-10-10（万方平台首次上网日期，不代表论文的发表时间）