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Frictional resistance across rough surfaces depends on the existence of slip on the liquid-gas interface; therefore, prolonging the existence of liquid-gas interface becomes relevant. In this work, we explore manipulation of the cavity shape in order to delay the wetting transition. We propose that liquid-driven vortices generated in the air cavity dissipate sufficient energy to delay the Cassi...

Gas motion within the cylinder is one of the major factors that control the combustion process in spark ignition engine. It also has significant impact on heat transfer. Both the bulk gas motion and the turbulence characteristics of the flow are important and governing the overall behavior of the flow. An arrangement for obtaining a stratified charge, using port injection, is proposed for a ...

The internal flow of hydrodynamic retarder is a three-dimensional, complex, viscous, and unstable gas–liquid two-phase flow. importance numerical simulation has been paid attention to, but the research on pattern rarely. Flow diagnosis plays an important role in study because premise establishing mathematical model to accurately determine structure system. Based experimental research, this foun...

Due to the density differences between gases and liquids, gas supply often limits conversion of gas-liquid reactions in slug flows. This paper investigates permeation reacting into an existing flow fluorinated ethylene propylene capillaries up 40 m length, representing a significant sizing-up tube-in-tube reactors (maximum 4 m). The amount introduced can be estimated with coefficients given lit...

The desired outcomes of wet tissue treatment by dielectric barrier discharges (DBDs) strongly depend on the integrated fluences of reactive species incident onto the tissue, which are determined by power, frequency and treatment time. The reactivity produced by such plasmas is often expected to be proportional to treatment time due to the accumulation of radicals in the liquid over the tissue. ...