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A tokamak is a type of magnetic confinement device used to create controlled nuclear fusion reactions. It uses magnetic fields to confine a hot plasma of hydrogen isotopes, forcing them to collide and fuse together, releasing energy in the process. The goal is to achieve sustained fusion reactions that could potentially provide a clean and abundant source of energy in the future.
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What limits scientists from downsizing the tokamak reactor?
Scientists are limited in downsizing tokamak reactors due to the need for a certain magnetic field strength to confine the plasma, control instabilities, and sustain fusion reactions. Additionally, scaling down the size of the reactor can lead to challenges in maintaining high plasma temperatures and controlling heat and particle loads on the materials. Researchers are actively exploring new designs and technologies to overcome these limitations for potential future reactors.
Where does Fusion reactions occur in what?
A, the Sun; B, the hydrogen bomb; C, Fusion [tokamak] reactors - not to be "functional" until 2040. _________________________________________________________________
How is electromagnetism used in containing nuclear fusion reactions?
The earliest attempts at fusion reactor design used magnetic confinement to compress the fuel plasma as well as keep it away from the reaction vessel walls. The best such designs were derived from the Russian tokamak toroidal reactors. Newer attempts use inertial confinement (like H-bomb secondaries) and have come much closer to break-even than tokamak types have. No magnetic fields are used here.
I am what is being investigated to contain fusion reaction?
You are most likely referring to a magnetic confinement fusion device, such as a tokamak or a stellarator. These devices use powerful magnetic fields to confine and control high-temperature plasma, enabling the conditions necessary for a controlled fusion reaction to occur. Scientists and researchers study and investigate these devices in order to develop a viable and sustainable method of achieving nuclear fusion as a clean and abundant source of energy.
How hot must the core of a protostar be to begin nuclear fusion?
The core of a protostar must reach temperatures of at least 10 million degrees Celsius for nuclear fusion to begin. At this temperature, hydrogen atoms can overcome their mutual repulsion and fuse to form helium, releasing energy in the process.
What is a toroidal chamber?
Tokamak
What is the toroidal chamber used to produce fusion reactions in heated plasma?
tokamak
What was the name of the first nuclear fusion reactor?
You think probable to Russian installation Tokamak.
What is the role of tokamak machine in plasma physics?
A tokamak is a device used to confine high-temperature plasma for the purpose of studying nuclear fusion. It creates a magnetic field that confines the plasma in a toroidal shape, allowing for controlled fusion reactions to occur. Tokamaks are essential in advancing our understanding of plasma physics and developing fusion energy as a sustainable power source.
Who invented the Tokamak?
Do people know what TOKAMAK is? I mean how it translates. тороидальная камера с магнитными катушками A Russian acronym. Quote from wiki: "In 1968, at the third IAEA International Conference on Plasma Physics and Controlled Nuclear Fusion Research at Novosibirsk, Soviet scientists announced that they had achieved electron temperatures of over 1000 eV in a tokamak device. This stunned British and American scientists, who were far away from reaching that benchmark. They remained suspicious until tests were done with laser scattering a few years later, confirming the original temperature measurements." Nothing else to add actually. Russians invented it, way before western scientists by the way.
What do scientist hope to achieve with the research on the Tokamak Fusion Reactor?
Scientists hope to achieve a sustainable and controllable fusion reaction that can generate abundant clean energy. The research on Tokamak Fusion Reactors aims to overcome the technical challenges of achieving self-sustaining fusion reactions and commercialize fusion power as a viable alternative energy source. Success in this research could help address global energy needs and reduce dependence on fossil fuels.
What has the author Ingeborg Entrop written?
Ingeborg Entrop has written: 'Confinement of relativistic runaway electrons in tokamak plasmas'
What has the author W R Spears written?
W R. Spears has written: 'A pulsed tokamak reactor study'
How is plasma confined in a tokamak?
Plasma is highly ionized atoms. This results in extremely energetic ions, and these ions carry an electrostatic charge. The tokamak is a container with magnetic fields for boundaries. The plasma is a moving group of electrostatic charges, and moving charges create magnetic fields. The magnetic field thus created interacts with the magnetic field set up in the tokamak to deflect and thus confine the charged plasma.
Which one of the following countries has currently largest tokamak type reactor and created first plasma?
You don't give the list of 'following countries' ! However I believe the largest or most powerful tokamak so far is the JET at Culham in England. See link below. The new one in S Korea looks perhaps to surpass that but it has not yet been fully operated. The tokamak originated in Russia, it was a brilliant development which took western science by surprise, but is now pretty universal in fusion research. The other possible lead is by laser ignition which is being promoted in a few places, but is very difficult to set up accurately. There is a Wikipedia article on 'tokamak' which gives a long list of facilities in many countries.
What has the author S P Hirshman written?
S. P Hirshman has written: 'Two-dimensional transport of tokamak plasmas' -- subject(s): Tokamaks
What has the author Wojciech R Fundamenski written?
Wojciech R. Fundamenski has written: 'Tokamak edge plasma modeling using an improved onion-skin method'
