...Yonggang Yu; Xuexia Chang; Na Zhao; Shanshan Mang; Yanhuang Zhou The multilevel stepped-wall chamber is designed to study the combustion stability control mechanism of the bulk-loaded liquid propellant gun (BLPG). The cold state experiment of the interaction of the high speed gas jet with liquid...

... compromising durability of the system. 21 04 2009 24 12 2010 04 01 2011 13 04 2011 13 04 2011 combustion compressible flow computational fluid dynamics durability jets nozzles propellants strain gauges supersonic flow water Previous studies have indicated...

...Patrik Appelgren; Melker Skoglund; Patrik Lundberg; Lars Westerling; Anders Larsson; Tomas Hurtig Interaction between a solid copper jet and an electric current pulse is a complex process that has been experimentally studied by letting a jet created by a shaped charge device pass through...

...Andreas Helte; Ewa Lidén Reactive armor panels have been used for many years as very efficient add-on armor against shaped charge warheads. The main features of the defeat mechanisms of the armor are therefore well known. The origin of the irregular disturbances on the shaped charge jet, which...

...Eitan Hirsch; Meir Mayseless Jets that emanate from high density porous liners are most widely used for penetration into Earth materials. These shaped-charges differ from those that contain solid copper liners in three major aspects: the porosity, the usually higher initial density, and the very...

...Patrik Appelgren; Melker Skoglund; Patrik Lundberg; Lars Westerling; Anders Larsson; Tomas Hurtig In this paper we present a study of the interaction between an electric current pulse and a solid copper jet. Experiments were performed using a dedicated pulsed power supply delivering a current pulse...

...Zhuyun Xu; Horia Hangan An inviscid tornadolike vortex is analytically modeled using a free narrow jet solution combined with a modified Rankine vortex. An empirical and simplified solution to existing models is defined for flows similar to the ones simulated in Ward-type vortex chambers. Velocity...

...Zhuyun Xu; Horia Hangan; Pei Yu Various types of impinging jet flows are analytically modeled using inviscid free Gaussian jet solutions superimposed with experimentally fitted boundary layer models. Improved (more robust) and simplified solutions to existing models are defined. Velocity profiles...

... against experiment for methane-air combustion in a coaxial geometry, and jet-A surrogate/air combustion in a gas-turbine combustor geometry. 15 12 2003 09 11 2005 flow simulation chemically reactive flow turbulence combustion flames heat transfer gas turbines Mach number jets...

...Michael W. Plesniak This paper presents a review of research done over the past several years at Purdue on non-canonical jets-in-crossflow. It is a retrospective and an integrative compilation of results previously reported as well as some new ones. The emphasis is on jets emanating from “short...

... be the case for the classical hydrodynamic impact problem of a rigid body against a free surface. In fact, during the initial stage of impact, sprays (or jets) are formed, relieving a very high field pressure that is formed around the body, as shown in Fig. 2 . 2 The impact of a rigid body against...

...H. Haj-Hariri, Professor,; D. Poulikakos, Professor, Fellow ASME, Stability of an inviscid axisymmetric jet of uniform surface tension and flexural rigidity is investigated. It is shown that for large enough values of flexural rigidity the capillary instabilities are suppressed. The result...

... jets are ejected. Problems in air-flotation drying techniques include sideward motion of the web, web flutter, and contact between the web and air bars. The key to analyzing these problems is to determine the aerodynamic forces on the web. This paper discusses the aerodynamic forces generated...