blob: 29cd1514629c935d4f2450aebe896d2332406f0d (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
|
// Scilab Code Ex9.4 Average number of collsions for thermalization of neutrons: Pg:202 (2008)
A = 9; // Mass number of beryllium
xi = 2/A - 4/(3*A^2); // Logarithmic energy decrement of energy distribution of neutron
E0 = 2; // Initial energy of neutrons, MeV
En_prime = 0.025e-06; // Thermal energy of the neutrons, MeV
n = 1/xi*log(E0/En_prime); // Average number of collisions needed for neutrons to thermalize
En_half = 1/2*E0; // Half of the initial energy of neutrons, MeV
n_half = 1/xi*log(E0/En_half); // Number of collsions for half the initial energy of neutrons
printf("\nThe average number of collsions for thermalization of neutrons = %2d", n);
printf("\nThe number of collsions for half the initial energy of neutrons = %3.1f", n_half);
// Result
// The average number of collsions for thermalization of neutrons = 88
// The number of collsions for half the initial energy of neutrons = 3.4
|
