DIRECT DISCRETE METHOD (DDM) AND ITS APPLICATION TO NEUTRON TRANSPORT PROBLEMS

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VOUSOOGHI N.; SALEHI A.A.; HESHMATZADEH M.; SHAHRIARI M.

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Journal: Scientia Iranica Year:2007 | Volume:14 | Issue:1 Page(s): 78-85

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Title

DIRECT DISCRETE METHOD (DDM) AND ITS APPLICATION TO NEUTRON TRANSPORT PROBLEMS

Author(s)

VOUSOOGHI N. | SALEHI A.A. | HESHMATZADEH M. | SHAHRIARI M. | Issue Writer Certificate

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Abstract

The objective of this paper is to introduce a new direct method for neutronic calculations. This method, called Direct Discrete Method (DDM), is simpler than the Neutron Transport Equation and more compatible with the physical meanings of the problem. The method, based on the physics of the problem, initially runs through meshing of the desired geometry. Next, the balance equation for each mesh interval is written. Considering the connection between the mesh intervals, the final discrete equation series are directly obtained without the need to first pass through the set-up of the neutron transport differential equation. In this paper, a single and multi-group neutron transport discrete equation has been produced for a cylindrical shape fuel element with and without the associated clad and the coolant regions, each with two different external boundary conditions. The validity of the results from this new method are tested against the results obtained by the MCNP-4B and the ANISN codes.

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APA: Copy

VOUSOOGHI, N., SALEHI, A.A., HESHMATZADEH, M., & SHAHRIARI, M.. (2007). DIRECT DISCRETE METHOD (DDM) AND ITS APPLICATION TO NEUTRON TRANSPORT PROBLEMS. SCIENTIA IRANICA, 14(1), 78-85. SID. https://sid.ir/paper/289379/en

Vancouver: Copy

VOUSOOGHI N., SALEHI A.A., HESHMATZADEH M., SHAHRIARI M.. DIRECT DISCRETE METHOD (DDM) AND ITS APPLICATION TO NEUTRON TRANSPORT PROBLEMS. SCIENTIA IRANICA[Internet]. 2007;14(1):78-85. Available from: https://sid.ir/paper/289379/en

IEEE: Copy

N. VOUSOOGHI, A.A. SALEHI, M. HESHMATZADEH, and M. SHAHRIARI, “DIRECT DISCRETE METHOD (DDM) AND ITS APPLICATION TO NEUTRON TRANSPORT PROBLEMS,” SCIENTIA IRANICA, vol. 14, no. 1, pp. 78–85, 2007, [Online]. Available: https://sid.ir/paper/289379/en

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