摘要
对12m近似椭圆封头实施合理的分瓣 ,创造了足球瓣顶圆的新方法 。
The sectioning of the approximate elliptical head with the dismeter of 12 m was properly executed by use of the new method to form the football section.The sizes of the sections were,then calculated.
出处
《化工设备与管道》
CAS
2001年第5期19-20,共2页
Process Equipment & Piping
关键词
近似椭圆封头周瓣足球瓣"弧-角-弦"关系式
approximate elliptical head,perimeter section.football section,arc-angle-arc relation equation
