Thursday, December 18, 2008

Thermal power reactor

A nucear power plant where heat energy is produced via nuclear reactor. In common practise, all over the world use Boiling Water Reactor ( BWR ). Here coolant system is water tank system attatched to fuel element. The same component is acting as moderator and reflector. The basic principle here is a heavy neclues when undergo a nuclear fission chain reaction, heat energy in enormous amount is generated. the heat energy naturally converted into steam which produces electricity.Actually steam is fed to turbine.Exhaust steam in the turbine pass through the condenser system of coolant and get condensed into water. The feed pump is utilised now for recirculation of water into reactor. During continuous power generation process, this coolant recirculation process also continuously repeated. In fission, a heavy nucleus splits into two lighter nuclei. Neutrons intiates this reaction and this can occur even at room temperature generating energy per nucleon upto 0.85 MeV.

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