a) a measure of the departure of a reactor from critically or;
b) fractional change in neutron population per generation
Both definition are the scientific definition regarding reactivity. Therefore what does reactivity really means? For us, we believe that reactivity means that the total amount of neutron in the nuclear reactor. This is very important to note as the amount of neutron population will determine if our reactor have enough power to generate electricity, beside ensuring that the nuclear reactor is safe. This is because, neutron is used to to start the nuclear fission process as describe in the post below. Hence, if the neutron population is beyond control, it will result in accidents such as Chernobyl and also 3 Mile Island. In short, reactivity, in nuclear science is a concept which will help us determine the number of neutron present in the "core" after a certain amount of time.
Since we know that neutron population will affect the reactivity, hence reactivity can take place to determine the conditions of the nuclear reactor. There are 3 main conditions which are
1) Sub critical
2) Critical
3) Super critical
Each of the above stage is determine by a ratio which is referring to the rate of neutron created in the "core" divided by the rate of neutron which is being destroyed in the core. Hence, the output of this process can cause the neutron to be decrease (which is known as sub critical), increased (which is known as super critical) and also same (which is known as critical). In fact, to control the amount of neutron which is being produced, the control rod (made of Boron, Cadmium and etc) will be placed in between the nuclear fuel.
So, that's all for now ... more to come later, please do anticipate it! thank you =)
Since we know that neutron population will affect the reactivity, hence reactivity can take place to determine the conditions of the nuclear reactor. There are 3 main conditions which are
1) Sub critical
2) Critical
3) Super critical
Each of the above stage is determine by a ratio which is referring to the rate of neutron created in the "core" divided by the rate of neutron which is being destroyed in the core. Hence, the output of this process can cause the neutron to be decrease (which is known as sub critical), increased (which is known as super critical) and also same (which is known as critical). In fact, to control the amount of neutron which is being produced, the control rod (made of Boron, Cadmium and etc) will be placed in between the nuclear fuel.
So, that's all for now ... more to come later, please do anticipate it! thank you =)
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