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New Equation Helps Unravel Behavior Of Turbulence

Date:
October 19, 2005
Source:
Johns Hopkins University
Summary:
Researchers have discovered a mathematical formula that may enable more precise models of turbulence, with practical implications in areas as diverse as weather forecasting, pollutant control, engine design and astrophysics.

Doctoral student Yi Li and Professor Charles Meneveau conduct turbulence experiments in a wind tunnel located on Johns Hopkins' Homewood campus.
Credit: Photo by Will Kirk/JHU

To most people, turbulence is the jolt felt by jet passengers moving through a rough pocket of air. But to scientists, turbulence is the chaotic flow of a gas or liquid, in which parts of the current curl into irregular, ever smaller, tight eddies. It's a very common phenomenon that can affect weather conditions, greatly alter the movement of pollutants, dampen a vehicle's speed, or play a role in the way chemicals mix and combustion engines perform. Yet the phenomenon is difficult to understand, and scientists cannot easily predict how a turbulent flow will behave.


Story Source:

The above story is based on materials provided by Johns Hopkins University. Note: Materials may be edited for content and length.


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Johns Hopkins University. "New Equation Helps Unravel Behavior Of Turbulence." ScienceDaily. ScienceDaily, 19 October 2005. <www.sciencedaily.com/releases/2005/10/051018072127.htm>.
Johns Hopkins University. (2005, October 19). New Equation Helps Unravel Behavior Of Turbulence. ScienceDaily. Retrieved April 23, 2014 from www.sciencedaily.com/releases/2005/10/051018072127.htm
Johns Hopkins University. "New Equation Helps Unravel Behavior Of Turbulence." ScienceDaily. www.sciencedaily.com/releases/2005/10/051018072127.htm (accessed April 23, 2014).

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