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題 名 | 微型渦輪引擎離心壓縮器設計=The Design Methodology for Centrifugal Compressor Used on Micro Turbine Engine |
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作 者 | 盧亮均; 劉彥宏; 李基銓; | 書刊名 | 新新科技年刊 |
卷 期 | 11 2015.01[民104.01] |
頁 次 | 頁26-35 |
分類號 | 447.67 |
關鍵詞 | 離心壓縮器; 計算流體力學; 均線分析; 葉片設計; Centrifugal compressor; Computation fluid dynamics; Mean-Line analysis; Blade design; |
語 文 | 中文(Chinese) |
中文摘要 | 本研究針對微型渦輪引擎,設計單級離心壓縮器葉片,然而壓縮器流場相當複雜,難以直接進行三維設計。本研究藉由模擬分析軟體逐步執行一維均線分析、二維穿流分析,來設計壓縮器轉子的葉片及流道外形。一維均線分析軟體可提供初始的轉子尺寸,並經由觀察二維穿流計算結果,調整流道及葉片角度,直到得到較佳的葉片負載分佈。最後將葉片外型輸入ANSYS-CFX軟體來執行三維數值模擬,其結果可反應出較為真實的流場情形,提供設計者進行分析。本研究依序完成壓縮器轉子、擴散器及消旋片設計及匹配分析,最終設計結果可以滿足渦輪引擎需求。 |
英文摘要 | This study focuses on the design methodology for a single centrifugal compressor used on the micro-turbine engine. The centrifugal compressor flow-field is too complex to complete compressor blade design directly by using computation fluid dynamics method. In order to complete compressor rotor blade profile design and flow path curvature, we use commercial software to perform the 1-D mean-line and 2-D through-flow analysis. 1-D mean-line analysis software can provide initial rotor sizing. Therefore, we can tune blade angle and flow path curvature in accordance with 2-D through-flow analysis result until getting a good blade loading. After completing 2-D through-flow analysis by using ANSYS-CFX to simulate centrifugal compressor flow-field, this numerical result can offer designer analyzing with more reliability flow-field phenomenon. This article finishes rotor, diffuser and de-swirler blade design in sequence. Finally, the overall performance shows the numerical result can meet the needs of turbine design target. |
本系統中英文摘要資訊取自各篇刊載內容。