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多连通任意形束流相空间传输的束流包络全貌 总被引:1,自引:1,他引:0
本文提出多连通任意形束流相空间传输的束流包络全貌的普遍理论,并举实例以示理论之具体应用。 相似文献
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STUDY ON THE MAGNETIC COMPRESSION OF INTENSE RELATIVISTIC ELECTRON BEAMS UNDER A CONVERGING MAGNETIC GUIDE FIELD 下载免费PDF全文
The magnetic compression of intense relativistic electron beams under a converging magnetic guide field is studied theoretically and experimentally in this paper. A code to evaluate the compressed-beam transport is set up. Calculations of the beam energy fraction transmitted through magnetic mirror are in good agreement with experimental data. 相似文献
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对存在泛函的算子方程边值问题,分别应用变分法和加权余量法推导出有限元方程,证明了两种方法的有限元离散的等效性。提出计算边界场的方法及由算子方程边值问题直接求出有限元方程的方法,并举典型例题以示该法的实际应用. 相似文献
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第十一届国际回旋加速器会议于1986年10月13日至17日在日本东京召开,有21个国家派代表参加,共213名有关回旋加速器的科技人员共聚一堂,其中东道国日本占107名,五大洲国家占106名。这是第一次在亚洲召开的国际回旋加速器会议,所以尤其日本与我国都贡献很大力量,希望这次会议丰富多彩。下面简要地介绍这次国际会议的主要内容。 相似文献
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本文提出加速器自由振荡近似解的简便方法,按规律能直接写出任何级近似解,并分出光滑项与快振荡项,该法可令计算机直接输出任何级近似解的公式;举实例以示该法的应用;最后证明该法的数学根据。 相似文献
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非心对称光滑凸闭束流相空间传输的束流包络全貌 总被引:1,自引:1,他引:0
本文提出非心对称光滑凸闭束流相空间传输的束流包络全貌的基本定理,并举实例以示定理的具体应用。 相似文献
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EXPERIMENTAL STUDY ON THE UNIFORMITY OF LARGE AREA INTENSE RELATIVISTIC ELECTRON BEAMS 总被引:2,自引:0,他引:2 下载免费PDF全文
The uniformity of intense relativistic electron beams under a converging magnetic guide field is studied experimentally in this paper. In the experiments, fluence calorimeter and X-ray pinhole photograph were used to measure the beam uniformity. The experimental results show that the externally applied magnetic flux density at the cathode and the shape of cathode face have considerable influence on the beam uniformity, The beam uniformity better than 80% is obtained over an area of 200cm2 when the externally applied magnetic flux density at the cathode is about 0.6T and the cathode face is concave to a depth of 1.5 mm, relative to the cathode edge. 相似文献
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THE PROCESS OF SPACE CURRENT NEUTRALIZATION OF INTENSE RELATIVISTIC ELECTRON BEAM UNDER AN EXTERNALLY APPLIED MAGNETIC GUIDE FIELD 下载免费PDF全文
The process of space current neutralization of intense relativistic electron beam under an externally applied magnetic guide field is discussed in this paper. Ionization by electron avalanching and by beam electrons impact and recombination is included in the calculation of plasma density buildup, with plasma heating by return current and two- stream instability taken into account. A code to evaluate the process of space current neutralization was set up. The calculations demonstrate that the optimum gas pressure increases as peak beam current increases and it decreases as the risetime of beam pulse increases. 相似文献