Quieter wind beneath the wings
Efficiently simulating the noise generated by wings and propellers promises to accelerate the development of quieter aircraft and turbines.
General Physics
Sep 28, 2020
0
234
News tagged with direct numerical simulations
Drag reduction and relaminarization of wall-turbulence by traveling wave control
Energy saving is important to reduce transportation costs of vehicles as well as their impact on the environment. In this context, because skin-friction drag increases significantly in turbulent flow, it is important to study ...
Soft Matter
Mar 15, 2019
0
7
Supercomputing simulations and machine learning to improve power plants
High-performance computing resources and data-driven machine learning help University of Stuttgart researchers model how coal, nuclear and geothermal power plants could be retrofitted for cleaner, safer, and more efficient ...
Soft Matter
Aug 21, 2018
0
29
Cool flames for better engines
A "cool flame" may sound contradictory, but it's an important element of diesel combustion—one that, once properly understood, could enable better engine designs with higher efficiency and fewer emissions.
Energy & Green Tech
Oct 12, 2017
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8
Researchers compute their way toward cleaner coal plants
When you think of turbulence, you might think of a bumpy plane ride. Turbulence, however, is far more ubiquitous to our lives than just air travel. Ocean waves, smoke from fire, even noise coming from jet engines or wind ...
Soft Matter
Jun 9, 2017
1
11
Direct numerical simulations in turbulent swirling premixed flames
Intensive pressure oscillations by thermoacoustic instabilities are critical for the operation of practical gas turbine combustors. However, it is difficult to investigate interactions between turbulent flames and acoustic ...
Engineering
Feb 28, 2017
0
6
Could tailored golf balls improve putting performance?
Golfers could get tailored golf balls with more precise separation control for the best performance, new research suggests.
General Physics
Jul 23, 2014
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0
Understanding the physics of turbulent flows inside turbines of aero-engines
(Phys.org) —Researchers from the University of Southampton are aiming to shed new light into the physics of turbulent flows inside the turbines of aero-engines.
Engineering
Apr 3, 2014
0
0
Solving a physics mystery: Those 'solitons' are really vortex rings
(Phys.org) —The same physics that gives tornadoes their ferocious stability lies at the heart of new University of Washington research, and could lead to a better understanding of nuclear dynamics in studying fission, superconductors ...
General Physics
Feb 3, 2014
9
0
Turbulence ahead
Although the wind may blow smoothly onto a wind turbine, it comes out the other end shredded into a complex collage of whorls, large and small. In a wind farm, the turbulent wake generated by the first row of turbines drives ...
Energy & Green Tech
Sep 3, 2012
2
0
