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姓名	趙吉光(Chi-Kuang Chao)  查詢紙本館藏	畢業系所	太空科學研究所
論文名稱	阻滯電位分析儀之數值模擬 (Numerical Simulation of Retarding Potential Analyzer)
相關論文	★ 中華衛星一號電離層電漿電動效應儀(IPEI)資料之頻譜分析 ★ 中華衛星一號電位勢阻滯分析儀(RPA)觀測原理及資料分析 ★ 確定雷達流星尾資料之輻射點及其應用於1998年中壢雷達觀測獅子座流星雨 ★ 中華衛星一號觀測電離層電漿氣泡密度變化之統計及研究 ★ 中華衛星一號觀測電離層較大的電漿氣泡在季節及經度之統計與研究 ★ 中華衛星一號所觀測由磁暴突始產生的電漿波脈動現象 ★ 中華衛星一號觀測電離層中緯度電漿團之研究 ★ ROCSAT 1姿態受外力擾動之探討 ★ 磁暴期間快速滲入電場對磁赤 道地區電離層上升運動速度的影響 ★ 太空飛行碎片對運行於地球軌道物體的碰撞機率 ★ 赤道地區日落後垂直上昇速度與不規則體發生的相關性研究 ★ 以中華衛星一號(福衛一號)在1999至2004年的觀測資料來研究低緯度電離層電漿團在全球、四季及地方時間的分佈 ★ 利用福衛一號的資料探討間熱帶輻合區中的深層對流與電離層不規則體相關性
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摘要(中)	已於一九九九年一月發射之中華衛星一號上，放置用以觀測日地物理之儀器，其儀器名稱為電離層電漿及電動效應儀，簡稱 IPEI 。此儀器上有四個探測器，其中一儀器為阻滯電位分析儀，可用以量測中華衛星一號在電離層中飛行所經路徑上的正離子成份、溫度和犄角方向電漿流速。本論文將提出一套模擬三維空間中電子和正離子於阻滯電位分析儀內運動之電腦數值模式，並且與一維空間的流量理論作比較。在電腦模式中顯示出幾點重要的發現：其一，由於氫離子重量較輕，能通過壓制網而到達收集器的氫離子數目小於到達收集器的氧離子數目。其二，正離子的透明度不可僅由網線的粗細或網眼的大小來決定，網與網之間的排列方式亦為一重要因素。其三，在模擬中顯示，當阻滯電位超過離子截止能量附近時，仍有可觀之離子流存在，此與一維流量理論所得到結果不同。其四，當網眼的尺度大於電子的Debye長度時，電子將可通過壓制網直達收集器。
摘要(英)	One of the Ionospheric Plasma and Electrodynamics Instrument (IPEI) payload onboard the ROCSAT-1 spacecraft is a Retarding Potential Analyzer (RPA) to measure the ionospheric plasma composition, temperature, and the ram velocity of the flow. A 3-D computer model has been developed to simulate the ion and electron motions inside the RPA of the IPEI payload. The dynamical changes in the charged particles* motions corresponding to different electric potential profiles inside the RPA detector resulted in some distinctive measuring characteristics of the RPA detector which show discrepancies in the measured of currents at the collector plate between the analytical model and the computer simulation. The important discoveries in the computer model are: (a) Due to light mass, the hydrogen ion fluxes to reach the collector are less than the oxygen ion fluxes collected by the collector. (b) Ion transparency can not be represented by the physical grid sizes in the detector. The alignments of the grid wires will also affect the ion transparency. The grid planes should be aligned for the maximum optical transparency to detect light ion fluxes. (c) Cut off energy for ions is not as sharp as indicated in the analytical model. The contamination in the collector current from ion species is possible. (d) Electron contamination at the collector plate is noticed if the mesh sizes are larger than the electron Debye length.
關鍵字(中)	★ 阻滯電位分析儀 ★ 中華衛星一號 ★ 電離層電漿及電動效應儀 ★ 電漿模擬 ★ 衛星儀器分析 ★ 電離層	關鍵字(英)	★ Ionosphere ★ Satellite Instrument Analysis ★ Plasma Simulation
論文目次	封面 摘要 英文摘要 致謝 目錄 圖目 表目 第一章　簡介 第一節　研究背景與歷史沿革 第二節　阻滯電位分析儀 第三節　篩網影響 第二章　離子流量理論 第一節　尺度分析 第二節　一維籬子流量理論 第三章　電漿粒子數值模擬 第一節　方程式組 第二節　數值方法 第三節　初始條件之給定 第四節　模擬程式之驗證 第五節　模擬資料量之估計 第四章　模擬結果 第一節　網線之粗細 第二節　網胞之大小 第三節　溫度之影響 第四節　網與網之間的排列 第五章　結論 參考文獻 附錄
參考文獻	Birdsall, C. K., and Langdon, S., Plasma Physics via Computer Simulation, McGraw-Hill, Inc., 1985. Chao, C. K. and Su. S. -Y., On accuracy of RPA measurements of ion fluxes, Adv. Space Res., 23, pp.1537-1540, 1999. Chao, C. K. and Su, S. -Y., Charged particle motion inside the retarding potential analyzer., Physics of Plasmas, 7, pp.101-107, 2000. Chang, Y. -S., Chiang, W. -L., Yiang, S. -J., Holt, B. J. Lippincott, C. R. and Hsieh, K. C., System architecture of the IPEI payload onboard ROCSAT-1, TAO, supplementary issue, pp.7-18, 1999. Dawson, J. M., Particle simulation of plasmas, Reviews of Modern Physics, 55, pp.403-447, 1983. Gerald, C. F. and Wheatley, P. O., Applied Numerical Analysis, 4th ed., Addison-Wesley, Inc., 1989. Hanson, W. B., Frame, D. R., and Midgley, J. E., Errors in retarding potential analyzers caused by nonuniformity of the grid-plane potential, J. Geophy. Res., 77, pp.1914-1922, 1972. Hanson, W. B. and Heelis R. A., Techniques for measuring bulk gas-motions from satellites, Space Sci. Instrum., 1, pp.493-524, 1975. Hanson, W. B., Heelis R. A., Power R. A., Lippincott, C. R., Zuccaro, D. R., Holt, B. J., Harmon, L. H., and Sanatani, S., The retarding potential analyzer for Dynamics Explorer-B, Space Sci. Instrum., 5, pp.503-510, 1981. Hanson, W. B., Sanatani, S., and Zuccaro, D. R., The Martian ionosphere as observed by the Viking retarding potential analyzers, J. Geophy. Res., 82, pp.4351-4363, 1977. Hanson, W. B., Sanatani, S., Zuccaro, D. R., and Flowerday, T. W., Plasma measurements with the retarding potential analyzer on OGO 6, J. Geophy. Res., 75, pp.5483-5501, 1970. Hanson, W. B., Zuccaro, D. R., Lippincott, C. R. and Sanatani, S., The retarding potential analyzer on Atmosphere Explorer-C, Radio Sci., 8, pp.333-339, 1973. Jackson, J. D., Classical Electrodynamics, 2nd ed., John Wiley & Sons, Inc., 1990. Kelley, M. C., The Earth掇 Ionosphere, Academic Press, Inc., 1989. Krall, N. A. and Trivelpiece, A. W., Principles of Plasma Physics, McGraw-Hill, Inc., 1973. Minami, S. and Kakeya, Y., Ion temperature determination in the ionosphere by retarding potential analyzer aboard sounding rocket, J. Geophy. Res., 87, pp.713-730, 1982. Potter, D., Computational Physics, John Wiley & Sons, Inc., 1980. ROCSAT / IPEI System Specification Document, UTD 132-078A, 1996. Serbu, G. P., Thermal plasma measurements within the magnetosphere, Space Research VII, 1966. Yeh, H. C., Su, S. -Y., Yeh, Y. C., Wu, J. M., Heelis, R. A. and Holt B. J., Scientific mission of the IPEI payload onboard ROCSAT-1, TAO, supplementary Issue, pp.19-42, 1999. Zuccaro, D. R. and Holt, B. J., A technique for establishing a reference potential on satellites in planetary ionospheres, J. Geophy. Res., 87, pp.8327-8329, 1982.
指導教授	蘇信一(S.-Y. Su)	審核日期	2009-5-11
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