Element approach is employed, and the amount of each component holdup is calculated element by element with a proper void fraction model.
将换热器分解成若干微元,选用恰当的空泡数学模型,计算各组分在换热器中的滞留量。
According to different optics-dispersion character, threshold segmentation method is proposed to identify gas from the gas-water flow, which make steadfast base for further calculate void fraction.
根据气泡和水对光的反射特性不同,提出采用阈值法识别图像中的气泡和水,从而为进一步计算掺气浓度打下坚实的基础。
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