截面平均换热系数则与质量流速、热流密度、质量干度和蒸发压力密切相关。
The perimeter averaged heat transfer coefficients depend on heat flux, mass flow rate, quality and saturated pressure.
随着干度的增加，核态沸腾在总换热系数中的比例由约20%下降至1%。
The numerical results indicate that the nucleate boiling contribution to the overall heat transfer coefficients de-creases from 20% to 1% with quality increasing.
分析了两相流体中音速随压力、干度、汽隙率、相变系数等的变化关系，并从中得出了一些重要的结论。
The change of sound velocity with pressure, dryness degree, void-fraction, and phase-transition coefficient are analyzed. Some important conclusions are derived.
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