The ratio of the flow area to the wetted perimeter in an open channel used to transport a liquid. It is used in the Manning formula to determine the Chézy coefficient needed for determining the rate of flow.
科学参考收录了60776条科技类词条,基本涵盖了常见科技类参考文献及英语词汇的翻译,是科学学习和研究的有利工具。