free subsiding是什么意思

用法例句

By analyzing existing experimental and theoretical results for the terminal velocities of non-spherical particle and its disperse system, an analytical equation has been obtained for the terminal velocity of non-spherical particle and its disperse system.

通过分析现有的层流、湍流及过渡状态下非球形颗粒及颗粒群阻力系数的实验与理论研究结果,给出了非球形颗粒及颗粒群自由沉降速度的理论计算公式,并对各种单一非球形颗粒及非球形颗粒群沉降速度的计算结果与现有的实验结果进行了比较。