The JET magnetic fusion experiment in 1991

Autor:

EFDA JET

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Credit:

Praca własna

Krótki link:

https://plwiki.pl/b/f95aa

źródło:

Wikimedia Commons

Wymiary:

3543 x 2783 Pixel (4459137 Bytes)

Opis:

The Joint European Torus (JET) magnetic fusion experiment in 1991

At the heart of this jumble of machinery is a doughnut shaped vessel 6 metres across and 2.4 metres high, although this is obscured by the myriad heating, cooling and measuring systems which surround it.

Some examples of these: the large orange limbs are iron, for concentrating the magnetic field that controls the hot gases inside the vessel, at temperatures up to 200 million degrees. The tall white tower in the right foreground houses the eight neutral beam heaters, which use 100 000 volts to shoot gas into the vessel. On the smaller white cylinder to its right are an array of mirrors for directing lasers into the hot gas to measure its temperature and density with Thompson Scattering. The white box in the left foreground is an apparatus to measure the energy of neutrons - the essential product of fusion. At far left the segmented white tower is the Pellet Injection Box, which fuels the experiment with tiny ice cubes of fuel at minus 260 degrees celsius.

Next to that a white frame supports an array of black tubes which channel megawatts of microwave heating into the plasma. On top of the structure sit large water cooling pipes, and four yellow cranes for moving components around during maintenance.

Licencja:

CC BY-SA 3.0

Warunki licencji:

Creative Commons Attribution-Share Alike 3.0