查詢結果分析
來源資料
相關文獻
- GE MS7001E氣渦輪機燃油噴嘴結渣物消除之研究
- 氣渦輪燃燒室之噴霧燃燒數值模擬
- 氣渦輪機動葉片熱流場分析
- 葛拉絲颱風(1994)及其受到臺灣地形影響之研究 第一部份:觀測分析
- A Numerical Simulation of the Circulation in the South China Sea--Preliminary Results
- 地震震波研究及視覺表現(1)--數值模擬 Earthquake Simulation
- 火力電廠氣渦輪機高溫油泥問題解決案例--含新油開發及水冷卻效率計算
- 未飽和層土壤水分垂直入滲之數值模擬
- 貯水池入滲補注試驗及模擬
- A Study of Iterative Procedures on SIMPLE-Like Algorithms for Viscous Incompressible Flows
頁籤選單縮合
題 名 | GE MS7001E氣渦輪機燃油噴嘴結渣物消除之研究=Research on the Deposit Elimination of Fuel Nozzle of GE MS7001E Engine |
---|---|
作 者 | 李文伯; 陳瑞麒; 邱文光; 田大青; 崔永懋; 洪嘉宏; 邱輝煌; 江滄柳; 王覺寬; | 書刊名 | 台電工程月刊 |
卷 期 | 589 1997.09[民86.09] |
頁 次 | 頁13-28 |
分類號 | 448.2 |
關鍵詞 | 氣渦輪機; 燃油噴嘴; 結渣; 數值模擬; Gas turbine; Fuel nozzle; Deposit; Numerical simulation; |
語 文 | 中文(Chinese) |
中文摘要 | GE氣渦輪機(Gas Turbine)作為發電機組時,鑒於經濟成本之考量,以中油煉製之 六號重油(殘渣油)為燃料。由於六號重油成分中含較多之雜質,使得氣渦輪機於運轉過程 中,燃燒系統內之燃油油滴容易噴至燃油噴嘴(Fuel Nozzle)出口處壁面而造成結渣,且結渣 物會隨噴嘴使用時間累積而增加,逐漸阻塞了霧化空氣流道,嚴重影響燃油霧化效果,進而 降低燃燒系統之燃燒效能。本文進行GE氣渦輪機燃油噴嘴結渣物消除研究,達成以下之目 標;(1)以尺碼檢驗燃油噴嘴的方式研究結渣形成之原因,以作為通霄電廠改善結渣現象之 參考依據。(2)以計算的方式探討噴嘴噴霧之流場分佈。(3)瞭解噴霧流場特性,以探討油滴 結渣成因並建立結渣模式。(4)進行燃油噴嘴噴霧試驗以透明壓克力外軍從事流場觀測,並 用PDPA與Malvern儀器量測燃油噴霧粒徑以比較修改前後噴嘴之噴霧型態。綜合上述研究 結果已修改原噴嘴構型,並量測其霧化效果,結果顯示修改後燃油噴嘴已改良其噴霧型態, 可提供通霄電廠使用。 |
英文摘要 | For economical consideration, No.6 heavy oil instead of light oilwas used for GE gas turbine engines. However, since the high contamination of No.6 heavy oil, deposit grew gradually on the innerwall of the orifice of fuel nozzle and finally stopped the assist air. It seriously deteriorated the performance of fuel atomization and also the performance of combustion. In this study, following investigation and analysis were carried out for better understanding of deposit formation and eliminatioin: (l)Dimension check on the fuel nozzle to investigate the cause of deposit formation. (2)Numerical calculation of field for the fuel nozzle. (3)Investigation of the causes of deposit and establishment of the model of deposit formation. (4)Flow visualization of spray with a transparent acrylic air duct. Moreover, PDPA and Malvern were used to measure the spray characteristics and tocompare the modified spray nozzle with the original one. Finally, several valuable suggestions were proposed for the modification of spray nozzles which were expected to attain high combustion performance. |
本系統中英文摘要資訊取自各篇刊載內容。