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It is to slow down the neutrons produced in fission. U-235 and Pu-239 capture slow neutrons much more readily than they do fast neutrons, so it makes the chain reaction much more efficient.
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Primary function of moderator in nuclear reactor?
What is the primary function of a Moderator in a nuclear reactor
Slows down neutrons in a nuclear reactor?
moderator
Which is used as moderator in nuclear reactor?
Most often, light water (H2O) is used as a moderator in a nuclear reactor. Sometimes, heavy water (D2O), or graphite is used.
How is the rate of the fission in a nuclear reactor controlled?
By the control rods and by the moderator.
Does a breeder nuclear reactor use moderator?
Thermal Breeder Reactors use moderators but Fast Breeder Reactors don't use moderator.
Primary function of moderator in nuclear reactor?
What is the primary function of a Moderator in a nuclear reactor
Do moderator in nuclear reactor slows down the neutrons emitted during fission?
Yes, it is the main moderator function in what is called "thermal nuclear reactors"
How can neutrons be slowed in the reactor core?
This is the function of the moderator, which may be heavy water, light water, or graphite
What is a bare reactor?
It is a nuclear reactor without reflector, consisting only from fuel and moderator.
Slows down neutrons in a nuclear reactor?
moderator
Which is used as moderator in nuclear reactor?
Most often, light water (H2O) is used as a moderator in a nuclear reactor. Sometimes, heavy water (D2O), or graphite is used.
Does a graphite moderator cool a reactor?
The primary role of graphite moderator is to moderate the neutron energies however it may also capture some heat during reactor operation.
Why does the core of the reactor have a moderator?
The core of the reactor contains the nuclear fuel. Having a moderator in place within the core ensures that the nuclear fuel is processed at an accurate time duration. This can prevent serious problems from occurring within the entire nuclear reactor.
Can a reactor without moderator is present?
Yes, they are fast nuclear reactors
How is the rate of the fission in a nuclear reactor controlled?
By the control rods and by the moderator.
What is the difference between a neutron shield and a neutron moderator?
Shielding is used to prevent the escape of neutrons from a reactor. A moderator is used in the reactor to undergo collisions with a neutron. The neutrons produced in fission collide with the molecules of the moderator, imparting their kinetic energy on them. This generates heat in the reactor. (Temperature is the measure of the average random molecular kinetic energy of a substance).
What are the basic feartures of a fission reactor?
The fission reactor is composed of:Nuclear fuel,reactor coolants,neutron moderator (optional)control elementsshieldingmeasurement instrumentssupporting structures... etc
