腔耦合直线加速器(CCL)是大型质子直线加速器关键的常温加速结构,在国外获得了深入的研究与应用。本文对CCL进行了电磁场的设计与模拟计算和多能量加速的研究。腔体的机械尺寸参数如图1所示。采用Supperfish程序,计算了100多个不同能量点的CCLL加速腔的微波参数和机械参数,包括腔体长度、直 Cavity-coupled linear accelerator (CCL) is the key room-temperature accelerating structure of large proton linear accelerator and has been deeply researched and applied abroad. In this paper, the electromagnetic field design and simulation of CCL and multi-energy acceleration research. The mechanical dimensions of the cavity are shown in Figure 1. The Supperfish program was used to calculate the microwave parameters and mechanical parameters of the CCLL acceleration cavity at more than 100 different energy points, including cavity length, straight