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Fusion energy

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The energy released when two atomic nuclei fuse together. This process powers the sun and stars.  Read more

Predhiman Kaw, founder of India’s fusion program and former PPPL physicist, is dead at age 69

Predhiman Kaw, an internationally-known plasma physicist who is considered the father of India’s nuclear fusion program, was remembered fondly by his colleagues at the U.S. Department of Energy’s Princeton Plasma Physics Laboratory (PPPL) last week after they learned of Kaw’s June 19 death.  He was 69. 

PPL researchers demonstrate first hot plasma edge in a fusion facility

Two major issues confronting magnetic-confinement fusion energy are enabling the walls of devices that house fusion reactions to survive bombardment by energetic particles, and improving confinement of the plasma required for the reactions. At the U.S. Department of Energy’s (DOE) Princeton Plasma Physics Laboratory (PPPL), researchers have found that coating tokamak walls with lithium— a light, silvery metal— can lead to progress on both fronts.

U.S.-China collaboration makes excellent start in optimizing lithium to control fusion plasmas

China has the Experimental Advanced Superconducting Tokamak (EAST) facility, a steady-state capable superconducting tokamak with many auxiliary systems being developed to qualify reactor-relevant technology.  As such, EAST is well-suited to address gaps in the physics basis for steady-state operation, plasma control, and plasma-material interfaces. Continued collaborations with EAST (ongoing since the start of the EAST project) enables U.S.

PPPL-led team wins major award of time on DOE supercomputers for fusion studies in 2017

A nationwide team of researchers led by physicist C.S. Chang of the U.S. Department of Energy’s (DOE) Princeton Plasma Physics Laboratory (PPPL) has won the use of 269.9 million supercomputer hours to complete an extreme-scale study of the complex edge region of fusion plasmas. The award was made by the DOE’s ASCR Leadership Computing Challenge (ALCC) program for 2017, supported by DOE’s Office of Science.

PPPL-led team wins major award of time on DOE supercomputers for fusion studies in 2017

A nationwide team of researchers led by physicist C.S. Chang of the U.S. Department of Energy’s (DOE) Princeton Plasma Physics Laboratory (PPPL) has won the use of 269.9 million supercomputer hours to complete an extreme-scale study of the complex edge region of fusion plasmas. The award was made by the DOE’s ASCR Leadership Computing Challenge (ALCC) program for 2017, supported by DOE’s Office of Science.

Scientists perform first basic physics simulation of spontaneous transition of the edge of fusion plasma to crucial high-confinement mode

Physicists at the U.S. Department of Energy’s (DOE) Princeton Plasma Physics Laboratory (PPPL) have simulated the spontaneous transition of turbulence at the edge of a fusion plasma to the high-confinement mode (H-mode) that sustains fusion reactions. The detailed simulation is the first basic physics, or first-principles-based, modeling with few simplifying assumptions.

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