Droplet Impact on a Dry Surface (time = t1)

Droplet Impact on a Dry Surface (time = t2)

Droplet Impact on a Dry Surface (time = t3)

Bubbly Flow in a Channel

Draining of a liquid from a tube.

Flow through a Porous Medium

Breakup of a Liquid Jet (time = t1)

Breakup of a Liquid Jet (time = t2)

Breakup of a Liquid Jet (time = t3)

Breakup of a Liquid Jet (time = t4)

Breakup of a Liquid Jet (time = t5)

Micro Droplets with Nano Particles

Flow through a Porous Medium

Flow through a Porous Medium

Catalytic Reactions - Concentration Contours

Catalytic Reactions - Concentration Contours

Anisotropic Heat Conduction - Temperature Contours

Breakup of Falling Liquid in a Pipe (time = t1)

Breakup of Falling Liquid in a Pipe (time = t2)

Breakup of Falling Liquid in a Pipe (time = t3)

Microfluidics - Droplet Dispensing

Droplet Impact on a Dry Surface

Droplet Impact on a Dry Surface

Droplet Impact on a Dry Surface

Droplet Impact on a Dry Surface

Electronic Cooling in MEMS.

Settling in a Tank (time = t1)

Settling in a Tank (time = t2)

Settling in a Tank (time = t3)

Flow Around a Moving Cylinder (time = t1)

Flow Around a Moving Cylinder (time = t2)

Flow Around a Moving Cylinder (time = t3)

Turbulent FLow through an array of Spheres.

Heat Transfer from a Crystal Layer - Temperature Contours

Catalytic Reactions on the Surface

Flow past Kelvin Cells for Catalytic Reactions

Flow past Kelvin Cells for Catalytic Reactions (Close-up View 1)

Flow past Kelvin Cells for Catalytic Reactions

Flow past Kelvin Cells for Catalytic Reactions (Close-up View 2)

Catalytic Reactions on the Surface for an array of channels.

Multicomponent flows

• Gas-liquid mixtures
• Bubbly flows
• Interfacial gas-liquid & liquid-liquid flows
• Particle & droplet laden flows
• Dense particle clouds agglomeration & deposition
• Multi-component flows with heat & mass transfer
• Phase change: models & interface flux integration
• Fluid-solid-particle flows

Conductive & convective heat transfer

• Conductive & convective heat transport
• Surface &  volumetric heat sources
• Convective heat transfer models at boundaries
• Anisotropic heat conduction
• Boussinesq flows – including in turbulence equations
• Conjugate heat transfer in 2D and 3D
• Heat transfer with multiphase-flow
• Variable thermo-mechanical properties of fluids (including super-critical fluids)
• Advanced Equations of State (Peng & Robinson, Cubic Plus Association)

Radiative heat transfer

• Monte Carlo technique

  • Surface to surface radiation (non-participating)
  • Diffuse and spectral reflections
  • Semi-transparent boundaries

• Diffusive approximation (Rosseland model)

  • Appropriate for optically thick situations

• Participating media

  • absorbing-emitting media
  • scattering media (arbitrary scattering phase functions)
  • non-grey media

Complex fluids & flows

• Settling and sedimentation
• Three- & four-phase flows
• Non-Newtonian fluids (7 models)
• Hydrocarbon constitutive laws
• Binary mixtures
• Porous media
• Hydrate & slurries formation
• Soret & Dufour effects

Reactive flows

• Infinitely Fast Chemistry (non-premixed)

  • EDC
  • EDC-SDT (Scalar Dissipation Timescale)
  • EDC-MTS (Multiple Timescale)

• Finite Rate Chemistry  (non-premixed)

  • Arrhenius (volumetric and surface reaction)
  • Flamelet based on Mixture Fraction
  • Progress Variable & Scalar Dissipation Rate
  • DQMOM (in progress)

• Coupling with CANTERA (derived from Chemkin)

  • Evaluate thermodynamic and transport properties
  • Import Chemkin reaction mechanisms
  • Evaluate reaction rates
  • Pressure dependent reactions
  • Third body reaction
  • Surface reactions (heterogeneous)
  • Build Flamelet libraries

Microfluidics flows

• Interfacial flow with heat & mass transfer
• Phase change (boiling, condensation, evaporation)
• Wetting: static & dynamic contact angle
• Phase separation via phase field
• Marangoni effects
• Electrowetting Effects
• Subgrid-scale thin-film & lubrication
• Nano-particle tracking
• Surface tension highly dominated flows

Fluid-structure interaction (FSI)

• Rigid body motion
• Solid-solid collision
• Solid-wall collision
• Imposed solid vibration & reaction to turbulence