research; projects and results

 

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My current research interests are in the area of fluid dynamics, multi-phase flow, and turbulence.

The area of multi-phase flow/turbulence interaction has a wide range of applications in environmental, mechanical, aerospace, chemical, and nuclear engineering. Examples of these types of multi-phase flows include liquid or solid fuel dispersial and combustion in propulsion engines and power plants, chemical reactors, sediment transport in rivers and ocean currents, and cavitation in marine and hydraulic systems.

These types of flows present difficulties in predicting engineering applications due to the random discontinuous interface separating the phases and the typically large change in material properties between the phases.

Most of my work to date has focused on the interaction of a dispersed particulate (liquid drops, solid particles, or bubbles) with the surrounding turbulent carrier flow, focusing specifically on the transfer and dissipation of kinetic energy between the phases.

Current and Past Research Projects--


red button Two-Phase Particle Image Velocimetry
red button Suspension and Sedimentation of Particles in a Horizontal Channel
red button Quantitative Measurement of Transient Scalar Mixing within a model Pressurized Water Reactor Boron mixing

red button Particle Dispersion and Energy Transfer in a Two-Phase Shear Layer wave form

red button Air Entrainment by a Plunging Liquid Jet liquid jet

red button Linear Stability of a Particle-Laden shear Layer stability

 

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green buttonmailing address:

 

  Department of Mechanical Engineering
  University of Maryland
  College Park, MD 20742

phone:

  (301) 405-5245

fax:

  (301) 314-9477

e-mail:

  kkiger@eng.umd.edu

office:

  Glenn L. Martin Hall
  Engineering Building, Rm 3129