An approximate solution of the problem of the axially symmetric flow of a viscous incompressible fluid in an angular region

An approximate solution of the axially symmetric problem of the flow of a viscous incompressible fluid in the vicinity of the point of contact between a uniformly moving plunger and a channel wall is obtained. Tomsk (Tomsk Branch of the Institute of Structural Macrokinetics, Russian Academy of Sciences). Translated from Izvestiya Rossiiskoi Akademii Nauk, Mekhanika Zhidkosti i Gaza, No. 1, pp. 157–160, January–February, 1999.