The paper discusses the methods of the coefficient reduction in determining tunnel lining's external water pressure in the world.
论述了国内外计算隧道衬砌外水压力的折减系数法和渗流场计算方法。
The temperature of tunnel wall, coefficient of unsteady heat exchange and thickness of heat-adjusting layer at constant air temperature in a tunnel are calculated.
求算了巷道风温恒定时岩体壁面温度、岩体与空气的非稳态热交换系数和围岩调热圈厚度。
The paper deduces the theoretical derivation of figure coefficient of wind load in wing tunnel test, which can do help data processing of wing tunnel test.
较详细的演绎了风洞测压试验中关于风载体型系数的理论推导公式,为风洞试验数据处理提供了帮助。
Through analyzing three-dimensional effect of tunnel excavation, the coefficient of three-dimensional effect in Miaoya tunnel is obtained.
分析了隧道开挖的空间效应,得出了庙垭隧道的空间效应系数。
The reverberation time and noise level of tunnel-typed public works can be reduced by adding large amount of acoustical structure with high absorptive coefficient.
隧道型公共设施的声环境,可以使用大量具有高吸声系数的吸声构造,铺设于隧道拱壁及轨道铺面,以降低混响时间及噪声。
The static stabilization of the tower-line system has been analysedwith the dynamic wind coefficient and shape coefficient that been obtained from wind tunnel test.
利用风洞实验所得的体型系数和风振系数对塔线耦合体系进行静力稳定性分析。
By means of regression analysis of the wind tunnel test data from 50 model ships, a new method for calculating the wind coefficient of ships has been obtained.
通过对50条船模风压系数的风洞试验数据进行回归分析,得出一种由船型数据来估算风压系数的新方法。
Referring to the environment of South China Sea, the profile coefficient of wind load to platform is analyzed and calculated by both wind tunnel test and referring related criterion of platform.
结合我国南海海域海况条件,通过风洞模型试验及查阅平台相关规范,分析计算平台风载荷体型系数。
Elastic resistant coefficient, deformation and compressive moduli of surrounding rock in large-section loess tunnel are very important for design of tunnel.
对于高速铁路大断面黄土隧道严格的设计计算而言,黄土隧道围岩的弹性抗力系数、变形模量和压缩模量十分重要。
Comparison of structural shape coefficient determined by numerical simulation and wind tunnel test wind speed, wind direction on the shape coefficient of the degree structure.
通过不同风速、风向角下结构体形系数对比确定数值模拟及风洞试验中风速、风向角对结构体形系数的影响程度。
The experiment on the elasticity resisting coefficient of rock mass is very difficult to be done, so it is conducted only in the pressure tunnel of oversize hydroelectric projects.
岩体弹性抗力系数试验难度大,一般只在特大型水电工程有压隧洞中进行。
With numerical wind tunnel method of Computational Fluid Dynamics (CFD) technology, the shape coefficient of double-tube chimney has been calculated.
通过CFD数值风洞模拟方法,得到了典型双筒烟囱的体型系数。
The drag coefficient derived from filed measurement was 15 percent less than that of wind tunnel test. On the contrary Reynolds number has a minimal effect on lift force and moment coefficient.
结果表明:雷诺数对阻力系数影响较大,现场实测值比风洞试验所得值小约15%,对升力系数及力矩系数影响较小。
The flow quality of automotive wind tunnel test section can be improved by decreasing the axial static pressure coefficient.
改善轴向静压系数对提高汽车风洞实验段流场品质具有重要意义。
The flow quality of automotive wind tunnel test section can be improved by decreasing the axial static pressure coefficient.
改善轴向静压系数对提高汽车风洞实验段流场品质具有重要意义。
应用推荐