... of the particles or phases in the liquids such as separation of impurities from the crude oil. Leaving aside from the above-mentioned points, EHD has other applications such as electro spraying and EHD pumping [ 1 – 7 ]. Computational fluid dynamics Electro-hydrodynamic flows Sprays Droplets 03...

... OF F LUIDS E NGINEERING . Manuscript received March 20, 2017; final manuscript received April 2, 2018; published online May 7, 2018. Assoc. Editor: Ioannis K. Nikolos. 20 03 2017 02 04 2018 Computational fluid dynamics Mixing Multiphase flows Sprays Turbulence modeling...

... predicted, but its frequency needs a correction factor to be globally well recovered for the Newtonian liquid. The Sauter mean diameter (SMD), calculated from the spray size distribution, shows similar trends of the reactor pressure dependency. The simulation of the non-Newtonian liquid at high pressure...

... Results ,” 25th European Conference Liquid Atomization and Spray Systems ( ILASS ), Chania, Greece, Sept. 1–4. https://hal.archives-ouvertes.fr/hal-01058391/document [12] Dejean , B. , Berthoumieu , P. , and Gajan , P. , 2016 , “ Experimental Study on the Influence of Liquid and Air...

... 04 2017 03 08 2017 A generalized experimental setup for visualization of spray structures is built and shown schematically in Fig. 1 . The flow system consists of a constant pressure air storage that is used through a pressure regulator to pressurize the water tank. Filtered tap water...

..., modulation, and gas flow rate on the acoustics and spray character within an industrial scale system were investigated computationally using axisymmetric (AS) and three-dimensional (3D) models. Metrics included stream pressure pulsations, spray lift-off, spray angle, and primary droplet length scale, along...

... intersecting a shock wave could be accurately tracked. Swirl had a minor impact by slightly moving the ligaments away from the nozzle outlet and changing the spray to a hollow cone shape. Often, metrics were synchronized for a given simulation, indicating that a common driving mechanism was responsible for all...

... April 22, 2016. Assoc. Editor: John Abraham. 10 06 2015 30 12 2015 Sprays Droplets Droplet impact on surfaces has received considerable attention in the past [ 1 ], with renewed interest recently motivated by advances in the fabrication of superhydrophobic surfaces [ 2...

... shorter as the ellipticity increases. The effect of jet-orifice geometry on spray characteristics has also attracted several attentions. Cho et al. [ 32 ] studied the effect of orifice diameter ratio on the mixing characteristics of dissimilar impinging injectors and concluded that a larger diameter...

...  = −4.75 × 10 −6 D  = 1.38 × 10 −8 E  = −1.96 × 10 −11 F  = 1.11 × 10 −14 References [1] Hochrainer , D. , Hölz , H. , Kreher , C. , Scaffidi , L. , Spallek , M. , and Wachtel. , H. , 2005 , “ Comparison of the Aerosol Velocity and Spray Duration...

...Ch. Stevenin; Y. Béreaux; J.-Y. Charmeau; J. Balcaen Electrostatic rotary bell sprayers (ERBS) are widely used in automotive painting applications. These processes involve complex airflows to shape paint sprays and transport droplets toward automotive parts to be coated. Despite the importance...

... the related research results as applicable to design data. An experimental study on spray characteristics of gas-centered swirl coaxial injectors has been performed. The effects of momentum flux ratio and recess length on the spray characteristics have been investigated by cold flow tests with a photographic...

... of Capillary Instability ,” Atomization and Sprays , 2 , pp. 239 – 251 . 15 Keunings , R. , 1986 , “ An Algorithm for the Simulation of Transient Viscoelastic Flows With Free Surfaces ,” J. Comp. Phys. , 62 , pp. 199 – 220 . 10.1016/0021-9991(86)90107-5 16 Ashgriz , N...

...Lijuan Qian; Jianzhong Lin; Hongbing Xiong; Tat Leung Chan Background. A comprehensive model in the Eulerian-Lagrangian scheme is used to investigate the performance of the gas-droplet two-phase flow for a typical effervescent atomization spray with different atomized liquids. Method of Approach...

...Eiji Ishii; Masanori Ishikawa; Yoshihiro Sukegawa; Hiroshi Yamada The fuel spray of an injector for automobile engines contains multiscale free surfaces: liquid films formed at the fuel-injector outlet, ligaments generated by liquid-film breakup, and droplets generated from the ligaments within...

... capillarity carbon fibres drops electrohydrodynamics flow simulation jets microfluidics sprays two-phase flow Effect of the separation distance between CF-tip and MS electrode on onset-voltage Influence of flow rate on droplet diameter and velocity Influence of applied voltage...

...Konstantin Pougatch; Martha Salcudean Liquid spray characteristics such as the droplet size and dispersion angle are determined by the atomizer design and the physical properties of the liquid and surrounding gas. One of the options to change these characteristics is to attach an especially...

... with corresponding values measured using an optical patternator (Enurga, Inc., West Lafayette, IN, SetScan OP-600). To achieve this, data from each instrument were transformed into spatially resolved absorptances (equivalent to drop surface area per unit spray volume) and compared. Key conclusion is absorptance...

... on the breakup length of the liquid sheet and spray width were obtained from the measurements deduced from the images of liquid sheets. The sheet breakup process is significantly influenced by the central air jet. It is observed that low inertia liquid sheets are more vulnerable to the presence of the central...

... studied here can assist in the development of specialized applications. 17 10 2008 11 06 2009 17 08 2009 boundary layers electrohydrodynamics jets nozzles sprays An electrospray will form from an air-fluid interface subject to a large electric field. The interface...