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Category: Physics of Fluids

Research on the seepage properties of coal with different particle size proppant under cyclic loading

Research on the seepage properties of coal with different particle size proppant under cyclic loading

Physics of Fluids, Volume 35, Issue 4, April 2023. The selection of proppant particle size significantly impacts the gas output and gas production period of the extracting coalbed methane (CBM). This study combines theoretical analysis and permeability…

Hydrodynamics of the projectile entering the water under the ice hole constraint environment

Hydrodynamics of the projectile entering the water under the ice hole constraint environment

Physics of Fluids, Volume 35, Issue 4, April 2023. The study of the water entry of the projectile passing through the ice hole can solve the special issue of water entry under marine environmental constraints. We conducted experiments to validate the e…

Numerical investigation of compressible cryogenic cavitating flows by a modified mass transport model

Numerical investigation of compressible cryogenic cavitating flows by a modified mass transport model

Physics of Fluids, Volume 35, Issue 4, April 2023. The objectives of this study are to propose exact numerical methods for the compressible cryogenic cavitating flows and investigate the cavitation behaviors and vortex structures. A numerical modeling …

Numerical and experimental study of the effects of tangential to axial velocity ratio and structural parameters inside the nozzle on spray characteristics

Numerical and experimental study of the effects of tangential to axial velocity ratio and structural parameters inside the nozzle on spray characteristics

Physics of Fluids, Volume 35, Issue 4, April 2023. Pressure swirl nozzles are widely applied in spray cooling, dust removal, and fuel injection. To better connect the nozzle structure with the internal flow to analyze their influence on spray parameter…

Experimental study on the lateral migration of a bubble contaminated by surfactant in a linear shear flow

Experimental study on the lateral migration of a bubble contaminated by surfactant in a linear shear flow

Physics of Fluids, Volume 35, Issue 4, April 2023. Adding a small amount of surfactant to a gas–liquid two-phase flow can markedly change the dynamic behavior of its bubbles. In this study, the lateral motion of a single bubble (deq = 1.99–3.33 mm, Reb…

A second-order slip/jump boundary condition modified by nonlinear Rayleigh–Onsager dissipation factor

A second-order slip/jump boundary condition modified by nonlinear Rayleigh–Onsager dissipation factor

Physics of Fluids, Volume 35, Issue 4, April 2023. A newly heuristic form of second-order slip/jump boundary conditions (BCs) for the Navier–Stokes–Fourier (NSF) equations is proposed from the viewpoint of generalized hydrodynamic equations (GHE) to ex…

Electrothermally excited plasma droplet evolution on the laser-patterned surface

Electrothermally excited plasma droplet evolution on the laser-patterned surface

Physics of Fluids, Volume 35, Issue 4, April 2023. Droplet behavior involving electrothermal coupling fields has gradually attracted the attention of researchers, one of which includes electrosurgical scalpels that often contact biofluids. However, the…