decay heat वाक्य
उदाहरण वाक्य
मोबाइल
- Both the ICS and PCCS heat exchangers are submerged in a pool of water large enough to provide 72 hours of reactor decay heat removal capability.
- This is known as decay heat and is the major safety driver behind the cooling of nuclear reactors, because this decay heat must be removed.
- This is known as decay heat and is the major safety driver behind the cooling of nuclear reactors, because this decay heat must be removed.
- The thermal dynamics and inertia of the entire system of the core-unit in its containment silo is sufficient to absorb and disperse decay heat.
- These engines are able to provide emergency electrical power for reactor decay heat removal, as well as enough electric power to supply an emergency propulsion mechanism.
- The removal of the decay heat is a significant reactor safety concern, especially shortly after normal shutdown or following a loss-of-coolant accident.
- The reactors and storage pools are being cooled now and decay heat in the reactors that were running at the time of the accidents is almost entirely gone.
- The large mass of liquid metal also acts as a heatsink capable of absorbing the decay heat from the core, even if the normal cooling systems would fail.
- The remaining reactors were shut down / SCRAMed automatically after the earthquake, and the remaining decay heat of the fuel was being cooled with power from emergency generators.
- The oxide layer produces heat primarily by decay heat, while the principal heat source in the metal layer is exothermic reaction with the water released from the concrete.
- The decay heat in the Unit 4 spent fuel pool had the capacity to boil about 70 metric tons of water per day ( 12 gallons per minute ).
- For this reason, the reactor decay heat output begins at 6.5 % of the full reactor steady state fission power, once the reactor is shut down.
- Despite the control rods being inserted via a SCRAM mechanism, the reactor temperature rose uncontrollably due to decay heat from fission products created during normal operation, eventually reaching.
- After a few days of LPCI, decay heat will have sufficiently abated to the point that defueling of the reactor is able to commence with a degree of caution.
- There was no public safety significance to the event, since the reactor had been shut down long enough that decay heat power was below the level that required coolant flow.
- But if the pool were to be drained of water, the discharged fuel from the previous two refuelings would still be " fresh " enough to melt under decay heat.
- In events where the reactor coolant pressure boundary remains intact, the Isolation Condenser System ( ICS ) is used to remove decay heat from the reactor and transfer it outside containment.
- The SCRAM is a manually triggered or automatically triggered rapid insertion of all control rods into the reactor, which will take the reactor to decay heat power levels within tens of seconds.
- The liquid water will drain from the heat exchanger back into the GDCS pool, where it can flow back into the RPV to make up for additional water boiled by decay heat.
- The reactor continued to generate decay heat and, because steam was no longer being used by the turbine, heat was no longer being removed from the reactor's primary water loop.
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