These transition criterions are completed in horizontal or vertical pipes.Criterion in inclined pipes need to be studied further, it is one of the research direction in oil-water flow for the further.
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- 这些转化准则大多针对水平管或垂直管,而对于倾斜管的转换准则,在理论和试验上还需要进一步研究,这也是油水两相流今后的研究方向。