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A fusion energy gain factor, usually expressed with the symbol Q, is the ratio of fusion power produced in a nuclear fusion reactor to the power required to maintain the plasma in steady state. The condition of Q = 1, when the power being released by the fusion reactions is equal to the required heating power, is referred to as breakeven, or in ...
Lawson criterion. The Lawson criterion is a figure of merit used in nuclear fusion research. It compares the rate of energy being generated by fusion reactions within the fusion fuel to the rate of energy losses to the environment. When the rate of production is higher than the rate of loss, the system will produce net energy.
Fusion power is a proposed form of power generation that would generate electricity by using heat from nuclear fusion reactions. In a fusion process, two lighter atomic nuclei combine to form a heavier nucleus, while releasing energy. Devices designed to harness this energy are known as fusion reactors.
From this, a fusion “triple product” can be derived, which is defined as the product of the plasma ion density, ion temperature and energy confinement time. This product must be greater than about 6×10 21 keV·m −3 ·s for a deuterium–tritium plasma to ignite. Due to the radioactivity associated with tritium, today’s research ...
For all other definitions, see Cold fusion (disambiguation). Not to be confused with cold welding. Diagram of an open-type calorimeterused at the New Hydrogen Energy Institute in Japan. Cold fusionis a hypothesized type of nuclear reactionthat would occur at, or near, room temperature.
Aneutronic fusion. Lithium-6 – deuterium fusion reaction: an aneutronic fusion reaction, with energy released carried by alpha particles, not neutrons. Aneutronic fusion is any form of fusion power in which very little of the energy released is carried by neutrons. While the lowest-threshold nuclear fusion reactions release up to 80% of their ...
Fusion ignition is the point at which a nuclear fusion reaction becomes self-sustaining. This occurs when the energy being given off by the reaction heats the fuel mass more rapidly than it cools. In other words, fusion ignition is the point at which the increasing self-heating of the nuclear fusion removes the need for external heating. [1 ...
Helion Energy, Inc. Helion Energy, Inc. is an American fusion research company, located in Everett, Washington. [ 2] They are developing a magneto-inertial fusion technology to produce helium-3 and fusion power via aneutronic fusion, [ 3][ 4] which could produce low-cost clean electric energy using a fuel that can be derived exclusively from water.