Professor Roger H. Rangel

rhrangel@uci.edu

Current research efforts address problems of droplet and spray vaporization and combustion, liquid-metal droplet solidification in Materials Processing, aerosol condensation, and liquid atomization.
Additional information may be requested by electronic mail to rhrangel@uci.edu .

Metal Solidification in Materials Processing

	An Improved Madejski's Model Numerical Simulation of Metal-Droplet Deformation and Solidification
Inviscid and Viscous Stagnation-Flow Models Stagnation-Flow Solidification with Undercooling and Contact Resistance Liquid Metal Droplet Deposition with Substrate Remelting In-flight Oxidation of Composite Particles during Thermal Spraying Solidification of a Supercooled Liquid: Interface Stability and Stagnation-Point Flow

Droplet and Spray Vaporization and Combustion

Droplet Streams and Interaction Effects Radiation Absorption by Droplets Ignition of a Droplet Cloud in a Vortex Vaporization of Binary Droplets

Fluid Mechanics and Heat Transfer of Small Particles in Suspension

• Analytical Study of Particle Motion in Unsteady Stokes Flows
• Heat Transfer in a Dilute Suspension Including Radiation and History Effects
• SHIVA (Space Holography Investigation in a Virtual Apparatus)
• Wall-Drop And Drop-Drop Interactions And Deformations In Microgravity

        Miscellaneous Topics

• Aerosol Dynamics
• Filling Liquid Acquisition Devices in Microgravity
• Liquid Atomization

• Inviscid instability of an unbounded shear layer: effect of surface tension, density, background viscosity and velocity profile