制备均一性靶丸过程中的影响因素
?Influencing factors in forming uniform plastic shells for laser fusion targets
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摘要: 在激光聚变实验中，高球形度、高厚度均一性的靶丸经常通过乳液微封装方法来制备。利用T.Norimatsu的模型研究在靶丸制备过程中，界面间表面张力、油相粘度、壳层尺寸、壳层厚度的影响。结果显示：较大的表面张力，较小的壳层尺寸，会使胶囊具有更好的均一性。当外部变形形式不同的时候，油相的粘度对于壳层均一性会有不同作用。Abstract: In laser fusion experiments, fuel capsules with high sphericity and high wall-thickness uniformity are often fabricated by density matched emulsion method. The paper investigates the influences of the interfacial tension, viscosity of oil phase, size and thickness of shell in the fabrication process by T.Norimatsus model. The results indicate that bigger interfacial tension and smaller size of shell lead to better uniformity. The viscosity of oil phase may have different effects on uniformity, when the outer oil surface moves in different forms.
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Key words:
- fuel capsules /
- sphericity /
- uniformity /
- interfacial tension /
- oil phase viscosity /
- shell size /
- shell thickness
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