高温核反应堆在磁流体发电和核火箭等领域有良好的应用前景.高温反应堆具有堆芯温度高、结构复杂等特点,其中子物理性能参数的计算难度较大.研究了高温核反应堆瞬发中子代时间的计算方法,介绍了多种方法的计算原理和一种新型高温核反应堆的计算结果.研究表明,对于相同的反应堆模型,几种方法的计算结果符合较好,计算结果可信.%High temperature nuclear reactor in the field of MHD power generation and nuclear rockets have good application prospects.High temperature reactor has a pile of high core temperature, complex structures, whose physical performance parameters are rather difficult to compute.This paper studies the high temperature nuclear reactor prompt neutron generation time calculation method, introduces the calculation principle of a variety of methods and a new high temperature nuclear reactor's calculation results.The results show that for the same reactor model, calculation results of several methods are in good agreement and the calculated results are credible.
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