The purpose of the present study is to analyze the effects of the cladding parameters on the deposition efficiency in cladding of Co alloy powder by a low power pulsed Nd:YAG laser, and to optimize the cladding parameters for maximizing the deposition efficiency. Experiments were designed, conducte
Impact of thicker cladding on the nuclear parameters of the NPP Krško fuel
✍ Scribed by Marjan Kromar; Bojan Kurinčič
- Publisher
- Elsevier Science
- Year
- 2011
- Tongue
- English
- Weight
- 307 KB
- Volume
- 241
- Category
- Article
- ISSN
- 0029-5493
No coin nor oath required. For personal study only.
✦ Synopsis
To make fuel rods more resistant to grid-to-rod fretting or other cladding penetration failures, the cladding thickness could be increased or strengthened. Implementation of thicker fuel rod cladding was evaluated for the NPP Krško that uses 16 × 16 fuel design. Cladding thickness of the Westinghouse standard fuel design (STD) and optimized fuel design (OFA) is increased. The reactivity effect during the fuel burnup is determined. To obtain a complete realistic view of the fuel behaviour a typical, near equilibrium, 18-month fuel cycle is investigated. The most important nuclear core parameters such as critical boron concentrations, isothermal temperature coefficient and rod worth are determined and compared.
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