Published 4 issues per year
ISSN Print: 2169-2785
ISSN Online: 2167-857X
Indexed in
BRIDGE FLOW OF LIQUID ALONG A GAP BETWEEN INCLINED CYLINDERS
ABSTRACT
Capillary continuity created by liquid bridges is important in various fields such as oil recovery from naturally fractured oil reservoirs, water resources, heat transfer, and environmental applications. Formation of liquid bridges can cause capillary continuity between porous matrix blocks, improve oil drainage from naturally fractured reservoirs, and affect contaminant migration in fractured rocks. Liquid bridges formed between adjacent tubes in tubular heat exchangers can significantly affect the heat and mass transfer processes within the apparatus and their effectiveness. The shape of the bridge cross section and the characteristics of its motion along the gap between working tubes present information required for the evaluation of its influence. A method for calculating the shape of a static liquid bridge between cylinders, which depends on their mutual arrangement and liquid parameters, is presented. Based on the use of well-known results on the liquid flow between parallel plates, calculation data were obtained for the liquid bridge motion along an inclined cylinder. Such flows were studied experimentally. It is shown that the calculated velocities of the bridge motion along the cylinders coincide with the experimental values.