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Nuclear energy

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Energy that originates from the splitting of uranium atoms in a process called fission. This is distinct from a process called fusion where energy is released when atomic nuclei combine or fuse.

Von Hippel, at PPPL, calls for international control of nuclear enrichment

The world’s nuclear enrichment programs should be under international control to prevent the development of nuclear weapons after the new arms deal with Iran expires in 10 to 15 years, said Frank von Hippel, a senior Princeton University research physicist and a former security advisor during the Clinton Administration.

“We have 10 to 15 years to strengthen the non-proliferation machine,” von Hippel said, speaking at the Ronald E. Hatcher Science on Saturday public lecture Jan. 30 at the U.S. Department of Energy’s Princeton Plasma Physics Laboratory.

COLLOQUIUM: Inherently Risky Designs? The History of Soviet Nuclear Reactors and the Notion of Safety

After the Chernobyl catastrophe in 1986, many asked the question why Soviet nuclear experts chose the RBMK (the “Chernobyl-type reactor”) as a standard design for implementation all over the Soviet Union. This talk will show that the choice of reactor designs rarely follows strictly technical criteria: designs are chosen not because they are the best or most functional ones available.

PPPL engineers complete the design of Wendelstein 7-X scraper unit

Engineers at the U.S. Department of Energy's Princeton Plasma Physics Laboratory (PPPL) have finished designing a novel component for the Wendelstein 7-X (W7-X) stellarator, which recently opened at the Max Planck Institute of Plasma Physics (IPP) in Griefswald, Germany. Known as a "test divertor unit (TDU) scraper element," the component intercepts some of the heat flowing towards the divertor — a part of the machine that collects heat and particles as they escape from the plasma before they hit the stellarator wall or degrade the plasma's performance.

PPPL engineers complete the design of Wendelstein 7-X scraper unit

Engineers at the U.S. Department of Energy's Princeton Plasma Physics Laboratory (PPPL) have finished designing a novel component for the Wendelstein 7-X (W7-X) stellarator, which recently opened at the Max Planck Institute of Plasma Physics (IPP) in Griefswald, Germany. Known as a "test divertor unit (TDU) scraper element," the component intercepts some of the heat flowing towards the divertor — a part of the machine that collects heat and particles as they escape from the plasma before they hit the stellarator wall or degrade the plasma's performance.

PPPL physicists simulate innovative method for starting up tokamaks without using a solenoid

Scientists at the U.S. Department of Energy's Princeton Plasma Physics Laboratory (PPPL) have produced self-consistent computer simulations that capture the evolution of an electric current inside fusion plasma without using a central electromagnet, or solenoid. The simulations of the process, known as non-inductive current ramp-up, were performed using TRANSP, the gold-standard code developed at PPPL. The results were published in October 2015 in Nuclear Fusion. The research was supported by the DOE Office of Science.

PPPL physicists win Torkil Jensen Award to conduct key experiments on DIII-D

Physicists Luis Delgado-Aparicio and Egemen Kolemen of the U.S. Department of Energy’s (DOE) Princeton Plasma Physics Laboratory (PPPL) have won a national scientific competition to conduct a full day of experiments on the DIII-D National Fusion Facility that General Atomics operates in San Diego for the DOE. The honor, known as the Torkil Jensen Award, is named after the late and internationally recognized scientist who was a member of the General Atomics Fusion Group for 44 years.

PPPL physicists win Torkil Jensen Award to conduct key experiments on DIII-D

Physicists Luis Delgado-Aparicio and Egemen Kolemen of the U.S. Department of Energy’s (DOE) Princeton Plasma Physics Laboratory (PPPL) have won a national scientific competition to conduct a full day of experiments on the DIII-D National Fusion Facility that General Atomics operates in San Diego for the DOE. The honor, known as the Torkil Jensen Award, is named after the late and internationally recognized scientist who was a member of the General Atomics Fusion Group for 44 years.

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