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IMAGE: Physicist Jong-Kyu Park in KSTAR control room, left, and with figures from paper, right. view more
Credit: Control room photo courtesy of KSTAR; collage and right-hand photo by Elle Starkman/PPPL Office of Communications.
The process designed to harvest on Earth the fusion energy that powers the sun and stars can sometimes be tricked. Researchers at the U.S. Department of Energy s (DOE) Princeton Plasma Physics laboratory have derived and demonstrated a bit of slight-of-hand called quasi-symmetry that could accelerate the development of fusion energy as a safe, clean and virtually limitless source of power for generating electricity.
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Princeton, West Windsor students advance to National Science Bowl
Princeton, West Windsor students advance to National Science Bowl
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The second place William Annin Middle School team with Coach Rich Hartman. SCREENSHOT PROVIDED BY ELLE STARKMAN/PPPL OFFICE OF COMMUNICATIONS
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The West Windsor-Plainsboro High School South team, which came in second, with Coach Karel Marshall, top left. SCREENSHOT PROVIDED BY ELLE STARKMAN/PPPL OFFICE OF COMMUNICATIONS
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Assemblyman Andrew Zwicker, far right, head of Communications and Public Outreach for PPPL, at the start of the middle school competition. SCREENSHOT PROVIDED BY ELLE STARKMAN/PPPL OFFICE OF COMMUNICATIONS
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The Princeton Charter School Middle School team, winners of the New Jersey Regional contest for the fourth year in a row, with Coach Laura Celik, top left, and Coach Suzanne Ritter, top right. SCREENSHOT PROVIDED BY ELLE STARKMAN/PPPL OFFICE OF COMMUNICATIONS
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IMAGE: Physicist C.S. Chang with figure showing turbulence eddies in an ITER plasma edge (green) with the heat-load footprint on the material wall carried by escaping hot plasma particles. Model simulated. view more
Credit: Photo by Elle Starkman/PPPL Office of Communications. Simulation and image from Robert Hager and Seung-Hoe Ku.
Efforts to duplicate on Earth the fusion reactions that power the sun and stars for unlimited energy must contend with extreme heat-load density that can damage the doughnut-shaped fusion facilities called tokamaks, the most widely used laboratory facilities that house fusion reactions, and shut them down. These loads flow against the walls of what are called divertor plates that extract waste heat from the tokamaks.
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