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1. 发明授权

US4059484A Hybrid nuclear fuel assembly with reduced linear heat generation rates 失效
标题翻译：混合核燃料组件具有降低的线性发热率
公开(公告)号：US4059484A
公开(公告)日：1977-11-22
申请号：US573864
申请日：1975-05-02
申请人： Lamar P. Bupp , George A. Sofer
发明人： Lamar P. Bupp , George A. Sofer
IPC分类号： G21C3/328 , G21C3/356 , G21C3/30
CPC分类号： G21C3/328 , G21C3/3563 , Y02E30/32 , Y02E30/38
摘要： A hybrid fuel assembly for use in nuclear fuel reactors, such as a large pressurized water reactor, including a fuel assembly having a matrix of fuel rods of different sizes, wherein fuel rods of a first large size are disposed in island arrays which are located within the matrix of fuel rods of the second small size in the vicinity of the control rod guide tubes of the assembly, such that retention of the control rods normally associated with a reactor fuel assembly employing fuel rods only of the first size is possible while still allowing for the maximum linear heat generation rate (LHGR) for the larger first size rods to be reduced to the LHGR normal for the second smaller size fuel rods or lower.
摘要翻译：一种用于核燃料反应堆的混合燃料组件，例如大型压水反应堆，包括具有不同尺寸的燃料棒基体的燃料组件，其中第一大尺寸的燃料棒设置在位于在组件的控制杆导向管附近的第二小尺寸的燃料棒的基体，使得通常与仅使用第一尺寸的燃料棒的反应堆燃料组件通常相关联的控制棒的保持是可能的，同时仍允许因为较大的第一尺寸的杆的最大线性热发生率（LHGR）将被降低到第二较小尺寸燃料棒的LHGR法线或更低。

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