Different kinds of test pieces were used as heating surface to study the effect of different wall roughness and thermophysical properties of heating surface on pressure change and flashing pattern pattren.
针对贮藏容器及输送管道的安全问题，以液化氮为工质，模仿在实际中可能遇到的容器及管道裂缝而引起的容器内压力变化，利用不同材质、不同粗糙度试验棒作为加热面进行实验，对减压后的压力变动情况及沸腾样态作了一定的研究。
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