9 The Solar Furnace Of Uzbekistan

The Solar Furnace Of Uzbekistan

They are not shooting a scene for a fantastic movie here. The magnificent construction you see is a solar surface located in Uzbekistan.

There are only two such furnaces in the world till now. One of them is situated in France.

A solar furnace is a complex optical and mechanical construction supplied with automatically controlled systems.

The furnace makes use of a large parabolic reflector concentrating the sun into an area the size of the common cooking pot. The reflector is discrete; 63 individual flat mirrors track the sun in unison and redirect the solar thermal energy towards the crucible.

‘By will of the Communist party and by wish of people the complex SUN will be erected here’, May, 1981. Academician S.A. Asimov made a large contribution into development of the complex, the highest point of which is located 1100 m above the sea level.

The complex comprises 4 subdivisions: the main building, heliostatic field, concentrator and manufacturing tower.

The installation is located 45 km from Tashkent. It was built in 1981-1987. The place for construction was chosen in a very careful way because the complex in located in a seismic area and the sun here is shining  270 days a year.

The small solar furnace is 2 meters in diameter, it makes solar rays focus  in the same spot which is 2 cm in diameter.

The longitudinal plan of the concentrator and heliostatic field.

Every heliostat is automatically rotated depending on direction of the sun rays. The maximum temperature that can be developed in the furnace is 2000 degrees Celsius. Objects close to the mirror get increased while remote objects seem to be rotated.

The field contains 62 heliostats that are installed in a staggered order to prevent darkening right in front of the concentrator.


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9 Responses to “The Solar Furnace Of Uzbekistan”

  1. Dickey Splurge says:

    This technology has advanced to much greater efficiency recently. Near Gila Bend Arizona one is being built now that super heats a form of salt, allowing electrical generation to continue even after the sun sets. We need more of these facilities, as Arizona has sunshine almost every day and the desert has little use for anything else.

  2. Osip says:

    The French machine is much older, but appears to be in a much better state.

  3. Anonymous Coward says:


  4. Michele La Grone Lynch Poulter says:

    I love this!

  5. George Johnson says:

    You said it was the largest in the world, then you went on to say how the one in France was a little bit larger. Howzat?

    Too bad we build some of these so they can actually supply some power, instead of just experimenting with them.

  6. Nemesis says:

    Your site is fascinating and I find the old photo’s and stories from the Soviet era most interesting. Your english is very good.

  7. (r)evolutionist says:

    Should use it to cook corporate fascists, vulture capitalists (repetitive phrase), the current government of Uzbekistan, and N. Caucasus terrorists. Of course, “by will of the Communist party.”

  8. Justin says:

    You can guess what its prime use in Uzbekistan is.

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