Xue J, Luo W, Liu Z, Wu Z, Wang J, Liao R. A Criterion of Negative Frictional Pressure Drop in Vertical Two- Phase Flow. Chemical Engineering Transactions [Internet]. 1Jul.2018 [cited 24Nov.2024];66:415-20. Available from: https://www.cetjournal.it/index.php/cet/article/view/CET1866070