CBSE Class 10 Answered
Write the main components of nuclear reactor and explain them in brief.
Asked by haritsourabhharit | 15 Oct, 2010, 01:07: PM
Expert Answer
Dear Student
Main components of a nuclear reactor are:
- The core of the reactor contains all of the nuclear fuel and generates all of the heat. It contains low-enriched uranium (<5% U-235), control systems, and structural materials. The core can contain hundreds of thousands of individual fuel pins.
- The coolant is the material that passes through the core, transferring the heat from the fuel to a turbine. It could be water, heavy-water, liquid sodium, helium, or something else. In the US fleet of power reactors, water is the standard.
- The turbine transfers the heat from the coolant to electricity, just like in a fossil-fuel plant.
- The containment is the structure that separates the reactor from the environment. These are usually dome-shaped, made of high-density, steel-reinforced concrete. Chernobyl did not have a containment to speak of.
- Cooling towers are needed by some plants to dump the excess heat that cannot be converted to energy due to the laws of thermodynamics. These are the hyperbolic icons of nuclear energy. They emit only clean water vapor.
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TopperLearning
Answered by | 15 Oct, 2010, 05:31: PM
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