The point blast induced spherical wave is the especial instance of the ellipsoid shock wave.
点源球面结构冲击波是旋转椭球面冲击波的特殊情况。
2
The mechanical model of spherical node of coal pipelines of blast furnace is built. Its boundary conditions and loads are presented.
建立了高炉炉顶煤气管道球形节点力学模型，提出了边界条件和载荷的处理方法。
3
The advantage of the centrifugal spherical iron tube has been discussed in this paper as well as the manufacturing characteristic of the tube made from the blast furnace.