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CTR Tea

Exploring High-Fidelity Computational Fluid Dynamics Approaches for Airborne Pandemic Risk Mitigation

Event Type: 
CTR Tea
Date and Time: 
Friday, June 3, 2022 - 4:15pm
Location: 
Building 300, Room 300
Speaker(s): 
Dr. Stefan P. Domino
Abstract: 

In response to the global SARS-CoV-2 transmission pandemic, the Sandia National Laboratories Rapid Lab-Directed Research and Development (LDRD) COVID-19 initiative, in partnership with a multi-laboratory CARES Act research project, deployed a multi-physics, droplet-laden, turbulent low-Mach simul

Laser-induced ignition in nonpremixed methane-oxygen flows

Event Type: 
CTR Tea
Date and Time: 
Friday, May 13, 2022 - 4:15pm
Location: 
Building 300, Room 300
Speaker(s): 
Dr. Jonathan Wang
Abstract: 

Laser-induced breakdown is a versatile means of depositing energy in a gas and seeding ignition of a combustible mixture, and it offers multiple advantages over conventional approaches.  To analyze the laser-generated flow and ensuing ignition dynamics, direct numerical simulations are conducted

Making sense of “length-scales” and how they are coupled in high-energy-density plasmas and in the global oceanic circulation

Event Type: 
CTR Tea
Date and Time: 
Friday, April 22, 2022 - 4:15pm
Location: 
Bldg 260, Room 113
Speaker(s): 
Professor Hussein Aluie
Abstract: 

A "length scale" in a fluid flow does not exist as an independent entity but is associated with the specific flow variable being analyzed.

Numerical studies of wake generator influence on the evolution of turbulent wakes

Event Type: 
CTR Tea
Date and Time: 
Friday, April 1, 2022 - 4:15pm
Location: 
Bldg 300, Room 300
Speaker(s): 
Mr. Sheel Nidhan, Ph.D. Candidate
Abstract: 

Turbulent wakes are ubiquitous in nature and man-made environments. In oceans and the atmosphere, these wakes are generally affected by the presence of stratification.

Slow growth approximation for near wall patch representation of wall-bounded turbulence

Event Type: 
CTR Tea
Date and Time: 
Friday, March 4, 2022 - 4:15pm
Location: 
Building 300, Room 300
Speaker(s): 
Dr. Sean Carney
Abstract: 

Recent experimental and computational studies have demonstrated that wall-bounded turbulent shear flows exhibit universal  small-scale  dynamics  that  are  modulated  by  large-scale  flow  structures.  This  characterization  can  be complicated, however, by stronger pressure gradients; they ca

Transverse acoustic forcing of non-premixed flames: Injector acoustics, flame dynamics and flame response modeling

Event Type: 
CTR Tea
Date and Time: 
Friday, February 11, 2022 - 4:15pm
Location: 
Building 300 Room 300
Speaker(s): 
Dr. Davy Brouzet
Abstract: 

Combustion instabilities (CIs) are one of the major challenges for the design and operation of gas turbines and rocket engines.

Energy stable numerical schemes for simulating two-phase flows by solving Cahn-Hilliard Navier Stokes equations on adaptive octree meshes

Event Type: 
CTR Tea
Date and Time: 
Friday, November 5, 2021 - 4:15pm
Location: 
Building 300, Room 300
Speaker(s): 
Dr. Makrand Khanwale
Abstract: 

Developing accurate, stable, and thermodynamically consistent numerical methods to simulate two-phase flows is critical for many applications.

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