.... Assoc. Editor: Praveen Ramaprabhu. 03 09 2017 10 05 2018 Computational fluid dynamics Electro-hydrodynamic flows Sprays Droplets The deformation of a suspended drop in an electric field is a phenomenon of great importance in basic sciences. This subject is one...

.... Nikolos. 20 03 2017 02 04 2018 Computational fluid dynamics Mixing Multiphase flows Sprays Turbulence modeling Droplets Flashing flow is a phase change phenomenon, which occurs in high-speed flow inside nozzles, because of the thermal nonequilibrium effect (viz...

... 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...

... Multiphase flows Sprays Droplets The interfacial disturbances manifested in the form of waves govern the breakup phenomenon in multiphase flows. The perturbation growth rate leads to the disintegration of the liquid column into ligaments and then into drops. The intrinsic properties that control...

.... Authors are thankful to Mr. Sandip Dighe for his help in building experimental setup and for discussions on the image processing analysis of spray. C f = skin friction coefficient d = injector diameter F m = rate of change of fluid momentum force per unit length...

..., 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 , 3...

... 2015 Fluid-structure interaction Hydrodynamics Jets Newtonian flows Sprays Droplets Impinging-jet injectors are commonly used in bipropellant liquid rocket engine due to their simple fabrication, good atomization, and mixing characteristics. When oxidant and fuel jets obliquely...

... was the dominant mechanism of atomization was found at each temperature and formulation. A correlation was developed to relate the critical jet diameter to the thermophysical properties of the formulation. Experimental techniques Jets Micro-scale flows Multiphase flows Sprays Droplets pMDIs...

...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...

... ,” 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. , and Mashayek , F. , 1995...

...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...

.... , Papac , M. J. , Rickard , M. J. A. , and Dunn-Rankin , D. , 2002 , “ Effects of Capillary Spacing on EHD Spraying from an Array of Cone Jets ,” J. Aerosol Sci. , 33 , pp. 1471 – 1479 . 10.1016/S0021-8502(02)00093-9 11 Hartman , R. P. A. , Brunner , D. J. , Camelot...

...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...

.../S0022112096008300 Marginean , I. , Nemes , P. , and Vertes , A. , 2007 , “ A Stable Regime in Electrosprays ,” Phys. Rev. E 1063-651X , 76 , p. 026320 . 10.1103/PhysRevE.76.026320 Gomez , A. , and Tang , K. , 1994 , “ Charge and Fission of Droplets in Electrostatic Sprays...