本文首先回顾了前人在河流悬移质泥沙模型相似律方面取得的大量研究成果。
An aeroelastic model for a UHV power transmission tower and its conductors was designed according to the law of similarity and tested in an atmospheric boundary layer wind tunnel.按照空气动力弹性相似准则,设计制作了某高压输电线路终端塔全塔气动弹性模型,并按响应相似原则模拟了柔性输电导线;
According to the law of similarity of fan, the characteristic of long-distance tunneling ventilation was analyzed, and the energy consumption of variable frequency fan was described.根据风杌的相似定律,阐述了特长隧道掘进通风的特性,详细分析了风机变频工作的能耗。