Nuclear Engineering and Technology

Korean Nuclear Society (한국원자력학회)
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Effect of central hole on fuel temperature distribution

  • Yarmohammadi, Mehdi (Department of Nuclear Engineering, Science and Research Branch, Islamic Azad University) ;
  • Rahgoshay, Mohammad (Department of Nuclear Engineering, Science and Research Branch, Islamic Azad University) ;
  • Shirani, Amir Saied (Faculty of Engineering, Shahid Beheshti University)
  • Received : 2017.02.05
  • Accepted : 2017.07.21
  • Published : 2017.12.25
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Abstract

Reliable prediction of nuclear fuel rod behavior of nuclear power reactors constitutes a basic demand for steady-state calculations, design purposes, and fuel performance assessment. Perfect design of fuel rods as the first barrier against fission product release is very important. Simulation of fuel rod performance with a code or software is one of the fuel rod design steps. In this study, a software program called MARCODE is developed in MATLAB environment that can analyze the temperature distribution, gap conductance value, and fuel and clad displacement in both solid and annular fuel rods. With a comparison of the maximum fuel temperature, fuel average temperature, fuel surface temperature, and gap conductance in solid and annular fuel, the effects of a central hole on the fuel temperature distribution are investigated.

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References

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