Author(s)

Aybaba Hançerlioğullari^1*, Aslı Kurnaz¹, Yosef G. Ali Madee¹, Ltfei A. Abdalsmd², Salem A. A. Shufat², Khaled M. Elhadad², Hand Hadia Almezogi², Mansur Mohamed Ali Mansur²

¹Faculty of Arts and Sciences, Kastamonu University, Kastamonu, Turkey.
²Engineering Faculty, Kastamonu University, Kastamonu, Turkey.

In this study, based differential equations methods are used to solve equations because these methods are dependent on boundary value data more than other mathematical equations. We have calculated neutron flux, criticality and geometrical eigenvalue by using multi-group method and solving the neutron diffusion equation for finite and infinite cylindrical and spherical reactors in this study. For the calculation of the total neutron flux cross sections, we need the neutron diffusion equation. Thus, we have established the relationship between neuron flow and cross-section of neuron depending on neutron energy. Critical calculations have been made by comparing the results with MNCP (montecarlo n-partical) simulation methods. For necessary computer calculations, the programme, Wolfram-Matematica-7 has been used.

Critical Reactor, Neutron Diffusion Equation, Mcnp, Multi-Group Method, Simulation

Hançerlioğullari, A. , Kurnaz, A. , Madee, Y. , Abdalsmd, L. , Shufat, S. , Elhadad, K. , Almezogi, H. and Mansur, M. (2017) Estimates of the Fast and Termal Flux in Blanket of Critical Reactors by Using Multi-Group Methods. Open Journal of Applied Sciences, 7, 68-81. doi: 10.4236/ojapps.2017.72007.