Spray Angle and Break-up Characteristics of Supersonic Liquid Jets by an Impinging Methods with High Speed Projectile

Heat Transfer Characteristics of Swirling Impinging Jets

Impinging jets are used in a wide number of industrial cooling applications due to their high heat and mass transfer abilities. The current research is concerned with the effect of swirl on the heat transfer characteristics of jet impingement cooling. Two inserts were designed order to generate swirling flow. These two designs, “Swirl Insert A” and “Swirl Insert B”, were tested at various Reyno...

Interaction between supersonic disintegrating liquid jets and their shock waves.

We used ultrafast x radiography and developed a novel multiphase numerical simulation to reveal the origin and the unique dynamics of the liquid-jet-generated shock waves and their interactions with the jets. Liquid-jet-generated shock waves are transiently correlated to the structural evolution of the disintegrating jets. The multiphase simulation revealed that the aerodynamic interaction betw...

Microscopic high-speed liquid-metal jets in vacuum

The operation of microscopic high-speed liquid-metal jets in vacuum has been investigated. We show that such jets may be produced with good stability and collimation at higher speeds than previously demonstrated, provided that the nozzle design is appropriate and that cavitation-induced instabilities are avoided. The experiments with a medium-speed tin jet (u 60 m/ s, Re=1.8·10, Z=2.9·10 ) show...

High Speed and Wide Viewing Angle Liquid Crystal Displays

Unsteady Aerodynamic Simulations of a Finned Projectile at a Supersonic Speed With Jet Interaction