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題名 | 相差都卜勒粒子動力分析儀中光學因子對液滴量測影響的理論研究=Theorectical Study of the Effects of Optical Factors on a Phase Doppler Particle Size Analyzer |
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作者 | 張枝成; 蔡坤泉; Chang, Jy-cheng; Tsai, Kun-chuan; |
期刊 | 中正嶺學報 |
出版日期 | 19980900 |
卷期 | 27:1 1998.09[民87.09] |
頁次 | 頁76-90 |
分類號 | 471.7 |
語文 | chi |
關鍵詞 | 相差都卜勒; 幾何光學原理; 散射; 偏振; Phase Doppler; Geometric optics; Scattering; Polarization; |
中文摘要 | 相差都卜勒粒子動力分析儀是研究噴霧與兩相流特性的最佳工具之一,但使用者通常不易 獲知如果違背其手冊建議值,在操作儀器時將造成多少誤差,因此本研究的主要目標是探討光學因 子對相差都卜勒粒子動力分析儀量測之效應。本研究採用幾何光學原理計算散射光強度對應於散射 角的關係以及散射光干涉,由散射光干涉求取相位差與液滴粒徑的關係,並與商業軟體計算結果相 互比較,進而探討光學因子對相差都卜勒粒子動力分析儀量測之效應,本文敘述理論計算部份,而 實驗印證部份發表於中國航空太空學會學刊中。 |
英文摘要 | The phase-Doppler particle dynamic analyzer is one of most well accepted techniques to investigate the characteristics of the spray and two-phase flows, however, it is not easy to estimate how erroneous the measurement results would be whenever the user do not follow the suggestion of user's manual. The purpose of the present work is to study the effects of optical factors on a phase Doppler particle size analyzer. The method of geometric optics was used as the basis for this study to calculate the intensity of scattering and the fringe pattern. The relationship between the spatial frequency of the scattered interference fringe pattern and the drop diameter was therefore determined and was compared with the result from the commercial software. The effects of the optical factors such as the location of collection optics from different scatter on the PDA were studied. The theoretical results are presented here and the mainly experimental results were presented at Transactions of A.A.S.R.C. |
本系統之摘要資訊系依該期刊論文摘要之資訊為主。