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Tea Seminar

Atomistic Scale Investigations of Supercritical Phase-Transitions

Event Type: 
Tea Seminar
Date and Time: 
Friday, October 14, 2016 - 4:00pm
Location: 
CTR Conference Room 103
Speaker(s): 
Dr. Muralikrishna Raju, Post-doctoral Fellow, Department of Mechanical Engineering, Stanford University
Abstract: 

Atomistic scale simulations are a powerful tool to study supercritical fluids and can provide information that is not accessible experimentally.

Axially homogeneous buoyancy driven turbulence – free convection analog of fully developed turbulent pipe flow

Event Type: 
Tea Seminar
Date and Time: 
Friday, August 12, 2016 - 4:15pm
Location: 
CTR Conference Room 103
Speaker(s): 
Professor Jaywant H. Arakeri, Indian Institute of Science, Bangalore
Abstract: 

Turbulent convection driven by an unstable density difference created across the ends of long vertical tube has many interesting features. Away from the two tube ends, the flow, driven by a linear density gradient, is axially homogeneous.

The Conditional Source-term Estimation (CSE) approach to modeling MILD combustion

Event Type: 
Tea Seminar
Date and Time: 
Friday, June 17, 2016 - 4:15pm
Location: 
CTR Conference Room 103
Speaker(s): 
Mr. Jeffrey W. Labahn, Mechanical Engineering, University of Waterloo
Abstract: 

As governments realize the negative impact of greenhouse gasses on the planet, a drive to reduce our dependence on fossil fuels and switch to renewable clean energy sources has begun.

Dynamics of stratified flow past a sphere: simulations using body-inclusive numerical model.

Event Type: 
Tea Seminar
Date and Time: 
Friday, June 3, 2016 - 4:15pm
Location: 
CTR Conference Room 103
Speaker(s): 
Mr. Anikesh Pal, Department of Mechanical and Aerospace Engineering, University of California San Diego
Abstract: 

Wakes of bluff bodies in a stratified environment are common in oceanic and atmospheric flows. Some examples are marine swimmers, underwater submersibles and flow over mountains and islands.

Large-eddy simulation study of combined configuration and stability effects in wind farms and development of geometry-based models for layout evaluation

Event Type: 
Tea Seminar
Date and Time: 
Friday, May 20, 2016 - 4:15am
Location: 
CTR Conference Room 103
Speaker(s): 
: Niranjan S. Ghaisas, CTR Postdoctoral Fellow
Abstract: 

The diurnal variation of temperature leads to significant deviations from neutral atmospheric stability conditions in the atmospheric boundary layer. Previous field observations have revealed ambiguities in the effect of atmospheric stability on wake losses and power production of wind farms.

Forced wavepacket models of turbulent jet noise

Event Type: 
Tea Seminar
Date and Time: 
Friday, April 1, 2016 - 4:00pm
Location: 
CTR Conference Room 103
Speaker(s): 
Aaron Towne, CTR Postdoctoral Fellow
Abstract: 

The high noise levels generated by the jet exhaust from commercial and military aircraft make mixing-noise reduction an important objective.  Crucial to this effort will be the availability of robust, rapidly computable noise models that can be used to guide and optimize noise control strategies.

Optimal Design by Morphing

Event Type: 
Tea Seminar
Date and Time: 
Friday, March 11, 2016 - 4:15am
Location: 
CTR Conference Room 103
Speaker(s): 
Professor Philip Marcus, University of California, Berkeley
Abstract: 

We present a new method, which we call design-by-morphing, for the optimal design of the shape of an object.

High Reynolds Number Smooth/Rough-wall Turbulent Boundary Layers

Event Type: 
Tea Seminar
Date and Time: 
Friday, February 26, 2016 - 4:15pm
Location: 
CTR Conference Room 103
Speaker(s): 
Xiang I. A. Yang, Mechanical Engineering Department, Johns Hopkins University
Abstract: 

We use tools including Large-eddy-simulations, wind tunnel experiments and the framework provided by the Townsend attached eddy hypothesis to study the flow physics in high Reynolds number turbulent boundary layers.

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