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題 名 | 沸水式反應器燃料佈局最佳化研究=The Optimal Loading Pattern Design for a Boiling Water Reactor |
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作 者 | 林強; | 書刊名 | 台電工程月刊 |
卷 期 | 620 2000.04[民89.04] |
頁 次 | 頁1-9 |
分類號 | 449.2 |
關鍵詞 | 燃料佈局; 專家系統; 沸水式反應器; Fuel loading pattern; Expert system; Boiling water reactor; |
語 文 | 中文(Chinese) |
中文摘要 | 本研究係發展專家系統來設計沸水式反應器之燃料佈局。結合專家之設 計經驗及對核心物理之知識發展專家系統之知識庫,可自動搜尋到可行之燃料佈 局。 在沸水式反應器燃料佈局設計中,需配合燃料佈局設計相對應之控制棒佈局,再 檢驗每一燃耗點之熱限值及冷爐停機餘裕是否合於設計規範。但此過程耗時甚 長,故本研究先訂定一較嚴格之設計限值,當設計之燃料佈局在黑林功率分佈 下,熱限值及停機餘裕低於此設計限值才進行控制棒佈局設計及隨後之檢驗,以 節省計算時間。 發展之專家法則分兩部分,第一部份為起始佈局之設計,此部分力求燃料束能均 勻分佈,以避免局部功率過於集中,第二部分係計對違反熱限值或停機餘裕處做 局部之燃料束調整。發展出之程式經驗證,結果能得到合於設計規範之燃料佈 局,並有足夠長之週期長度,且計算時間甚短,故證明此法具實用性。 |
英文摘要 | An expert system was developed to design fuel loading pattern for aboiling water reactor. The knowledge base consists of designer's experience and the knowledge of reactor physics. This expert system can automaticallysearch for a feasible loading pattern. During loading pattern design process, a control rod pattern should bedesigned corresponding to the designed fael assembly loading pattern thenthe thermal limits and the cold shutdown margin at each depletion step werechecked to satisfy the design requirement. However, the design of controlrod pattern needed along computation time. In this study, a set of designlimits were defined to reduce the computation time. When the thermal limitsand cold shutdown margins under Haling power distribution satisfied thedesign limits, the control rod pattern was searched and then the thermallimits and cold shutdown margin checked. The developed heuristic rules were composed of two parts: the first partwas to setup an initial loading pattern, in which the infinite multiplicationfactor k should be uniformly distributed throughout the core to prevent thelocal high power; and the second part was to exchange the fUel assemblieslocally so that the thermal limits and cold shutdown margins were satisfied.The performance of this expert system was demonstrated by its capability ofdesigning several fuel loading patterns which satisfied the design requirements, with suitable cycle length, and very short computation time. It showsthat the developed method was useful. |
本系統中英文摘要資訊取自各篇刊載內容。