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研究生:張佳穎
研究生(外文):Chang, Chia-Ying
論文名稱:龍門電廠TRACE/PARCS模式建立與應用
論文名稱(外文):The Establishment and Applications of Lungmen TRACE/PARCS Models
指導教授:施純寬王仲容
學位類別:碩士
校院名稱:國立清華大學
系所名稱:核子工程與科學研究所
學門:工程學門
學類:核子工程學類
論文種類:學術論文
論文出版年:2012
畢業學年度:100
語文別:中文
論文頁數:108
中文關鍵詞:TRACE/PARCS龍門電廠三個爐內泵跳脫選擇性插棒控制棒擾動
外文關鍵詞:TRACE/PARCSLungmen Nuclear Power Plant3 RIP tripSCRRIControl rod perturbation
相關次數:
  • 被引用被引用:4
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  • 下載下載:16
  • 收藏至我的研究室書目清單書目收藏:0
本論文之主要目的就是在SNAP介面下修改先前建立的龍門電廠PARCS模式,並與龍門電廠TRACE模式結合,以提供熱水流程式TRACE較先進的三維爐心計算,而TRACE模式內建的功率計算方式為:時間功率表和點中子動力。這種熱水流程式結合中子動力計算程式的計算方法可以做為「最佳估計」的方法;此外,透過此種計算方式可以觀察到電廠系統熱水流反應與爐心現象相互影響的結果。
龍門電廠TRACE/PARCS模式於本論文中將進行三個案例分析:終期安全分析報告第15章之三個爐內泵跳脫事故、進步型反應器特有的選擇性插棒機制、以及控制棒擾動造成的同相與異相不穩定性分析。三個爐內泵跳脫事故中的功率由TRACE的三種功率計算方法分別執行運算,並相互比較,分析結果皆與終期安全分析報告趨勢大致相同。選擇性插棒機制係使用PARCS模式特有的控制棒移動的功能來模擬控制棒插入,來降低爐心功率;其結果在不同的初始條件下有著相似的趨勢,也符合起動測試所述的規範:功率減少40%至60%。控制棒擾動亦是由PARCS模式來設定控制棒的移動,依控制棒的移動是否相同,分成同相與異相擾動,由模擬的結果可明顯的觀察到功率以及燃料組件內流率的震盪。
目前龍門電廠100%額定功率、100%額定流率之TRACE/PARCS模式已建立完成,並運用在數種案例分析上,待龍門電廠商業運轉後即可進行程式的驗證與比對;除此之外,對國內其他三座核電廠的PARCS模式建立將會有一定的幫助。
The objectives of this thesis are to establish Lungmen PARCS model with SNAP interface, and to couple the thermal-hydraulic code TRACE for more advanced calculations in 3D core. This TH/NK calculation is believed to be a “best-estimate” calculation where the local interactions between the nuclear power plant and the core phenomena could be observed easily.
In this research, three cases were analyzed using Lungmen TRACE/PARCS model: 3 RIP trip in FSAR, the SCRRI function, and the instability due to control rod perturbation. To analyze the 3 RIP trip, three power generations implemented in TRACE were used respectively, which are power table, point kinetic, and coupled to PARCS. The results from three different power generations are in good agreements with FSAR results. The SCRRI mechanism was performed under several initial conditions and different RIP runback settings, and the power reductions were found to meet the criteria as specified in the startup test procedures. The two instability modes, core-wide and out-of phase, were modeled by control rod perturbations; oscillations of reactor power and fuel assembly inlet flow can be observed.
In conclusion, Lungmen TRACE/PARCS model has been completed and can be used for safety analysis. After the commercial operation of Lungmen power plant, this coupled code would be verified. In addition, the experiences of completing Lungmen PARCS model can promote the establishments of the PARCS models of other three nuclear power plants.
摘要 i
ABSTRACT ii
致謝 iii
目錄 v
表目錄 vii
圖目錄 viii
第一章 緒論 1
1.1 研究動機與目的 1
1.2 論文架構 1
第二章 文獻回顧 2
第三章 程式簡介 5
3.1 SNAP程式 5
3.2 TRACE程式 5
3.3 PARCS程式 5
3.4 TRACE/PARCS 6
3.4.1 結合流程 6
3.4.2 執行方式 6
第四章 龍門電廠TRACE模式介紹 14
4.1 CHAN組件 14
4.1.1 衍生組件 16
4.1.2 與其他組件之介面 16
4.1.3 龍門電廠TRACE模式CHAN組件模擬 18
4.2 FILL組件 19
4.3 BREAK組件 20
第五章 龍門電廠PARCS模式介紹 43
5.1 中子截面資料來源 43
5.2 輸入檔說明 44
5.3 輸出檔說明 46
5.4 與SIMULATE-3之驗證 47
第六章 研究結果與分析 66
6.1 龍門電廠穩態結果 66
6.2 龍門電廠三個爐內泵跳脫事故分析 66
6.2.1 事故描述與初始條件 66
6.2.2 分析結果 66
6.3 龍門電廠選擇性插棒分析 67
6.3.1 暫態描述 67
6.3.2 模式設定 67
6.3.3 結果討論 68
6.4 龍門電廠控制棒擾動模擬 69
6.4.1 暫態描述 69
6.4.2 模式設定 69
6.4.3 結果討論 70
第七章 結論與建議 104
7.1 結論 104
7.2 建議 104
參考文獻 106

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