The RBMK (реактор большой мощности)

Июль 31, 2022

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The RBMK (реактор большой мощности)

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2. SPECIFICATION The RBMK (Russian: Реактор Большой Мощности Канальный Reaktor Bolshoy Moshchnosti Kanalnyy, "High Power Channel-type Reactor")
3. Features of the RBMK
4. Fuel
5. Pressure tubes Within the reactor each fuel assembly is positioned in its own vertical pressure tube
6. Refuelling
7. Graphite moderator A series of graphite blocks surround, and hence separate, the pressure tubes. They act
8. Control rods Boron carbide control rods absorb neutrons to control the rate of fission.
9. Coolant
10. Steam separator
11. Containment The reactor core is located in a reinforced concrete lined cavity that acts as a
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SPECIFICATION
The RBMK (Russian: Реактор Большой Мощности Канальный Reaktor Bolshoy Moshchnosti Kanalnyy,

"High Power Channel-type Reactor") is a class of graphite-moderated nuclear power reactor designed and built by the Soviet Union.

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Features of the RBMK

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Fuel

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Pressure tubes
Within the reactor each fuel assembly is positioned in its

own vertical pressure tube or channel about 7 m long. Each channel is individually cooled by pressurised water which is allowed to boil in the tube and emerges at about 290°C.

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Refuelling

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Graphite moderator
A series of graphite blocks surround, and hence separate, the

pressure tubes. They act as a moderator to slow down the neutrons released during fission so that a continuous fission chain reaction can be maintained.

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Control rods
Boron carbide control rods absorb neutrons to control the rate

of fission.

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Coolant

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Steam separator

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Containment
The reactor core is located in a reinforced concrete lined cavity

that acts as a radiation shield.