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題名 | 微型渦輪發電機燃燒器搭配導引板與燃料噴注裝置於甲烷/空氣混合燃燒數值模擬研究=Numerical Studies of Combustion of Methane-Air Mixture in a Combustor with a Guide Vane and a Fuel Injector for Micro-Turbine Generator |
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作者 | 王維雋; 李昱翰; 洪嘉宏; 李基銓; | 書刊名 | 新新科技年刊 |
卷期 | 11 2015.01[民104.01] |
頁次 | 頁36-47 |
分類號 | 447.67 |
關鍵詞 | 數值模擬; 燃燒; 微型渦輪發電機; 導引板; Simulation; Combustion; Micro-Turbine generator; Guide vane; |
語文 | 中文(Chinese) |
中文摘要 | 本文的研究重點主要在發展微型渦輪發電機之燃燒器研發與應用,因此,本文現階段數值模擬主要是使用CATIA程式來繪製燃燒器3D外型,與數值計算模擬軟體ANSYSCFX作為模擬方法之工具,而本文採取SST Transition Model模式,並搭配二階的化學燃燒反應機制與P-1熱輻射模式來運算求解,進而從中探討與分析更進一步之空氣/甲烷燃料混合場與駐焰機制之現象。其結果顯示,燃燒器搭配導引板與主燃區之迴流區可提升甲烷與空氣混合,進而有助於改善燃燒器內部火焰之穩定性。因此,藉由數值模擬結果分析,可增進對微型渦輪發電機燃燒器的燃燒原理與火焰穩定機制之了解,也提供日後在燃燒器的設計參考與選擇。 |
英文摘要 | The major objective of this paper is to develop a combustion chamber applied in the microturbine generator. In order to understand the details of the flow structure characteristics and flame stabilization mechanism inside the combustor, in numerical simulation, a commercial software CATIA was utilized to draw 3D model of the combustor. In addition, the Shear Stress Transport (SST) model and a two-step global reaction mechanism were used to compute the chemical reactions of the reacting flows. Radiation heat transfer was handled by P-1 method. Results indicate that the proposed combustor with the guide vane and the recirculation zones were formed in the primary zone can enhance the uniformity of the methane-air mixture and improve the stability of the flame base was anchored inside the combustor. From the systematic numerical simulation analysis, suitable operational parameters for the combustor of micro-turbine generator are suggested, which may be used as a guideline for the combustor design. |
本系統之摘要資訊系依該期刊論文摘要之資訊為主。