@article{Cheng_2019 author = {Xu Cheng and Yan Chen and Hongru Li and Baixue Li and Xi Han and Gongming Xin}, title = {INVESTIGATION ON CAPILLARY FLOW IN TUBES WITH VARIABLE DIAMETERS}, journal = {Journal of Porous Media}, issn = {1091-028X}, year = {2019}, volume = {22}, number = {13}, pages = {1627--1638} }