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用三维模拟计算的方法对大型环形高温气冷堆的自由氙振荡特性进行了研究。引入简化的温度反馈模型。研究温度反馈对氙振荡的阻尼效应。并讨论分析了本方法的有效性和结论的可靠性。结果表明，本文所研究的大型环形高温气冷堆中实际上不存在氙振荡，因为强烈的温度反馈效应阻止了氙振荡的产生和发展。
The free xenon oscillation characteristics of a large toroidal gas-cooled reactor are studied by three-dimensional simulation. Introduce a simplified temperature feedback model. Damping effect of temperature feedback on xenon oscillation is studied. The validity of the method and the reliability of the conclusion are discussed and discussed. The results show that there is virtually no xenon oscillation in the large toroidal gas-cooled reactor studied in this paper because the strong temperature feedback effect prevents the generation and development of xenon oscillation.