临界风速,critical velocity英语短句,例句大全

临界风速,critical velocity
1)critical velocity临界风速
1.Numerical simulation and analysis of smoke characteristics and critical velocity in underground railway tunnel while fire;地铁隧道火灾烟气特性与临界风速的数值模拟分析
2.Furthermore, a critical velocity of air flow expression for transition from upward smoldering to flaming combustion is constructed.根据在此条件下的阴燃特点,建立了稳定阴燃时实验材料内部的气流速度模型和阴燃向有焰火转化时的临界风速判定表达式。
3.The model for calculating the critical velocity in a tunnel cross-passage is established on the basis of the critical Froude theory.从临界Froude数理论出发建立了计算联络通道临界风速的模型。

英文短句/例句

1.Model of Critical Velocity for Fire Ventilation in Horizontal Tunnels水平隧道火灾通风纵向临界风速模型
2.Numerical studies on the critical air velocity affected by tunnel slope隧道坡度对临界风速影响的数值研究
3.Influences of Boundary Conditions on Critical Velocity in Tunnel Fire Model Test边界条件对隧道火灾模型试验临界风速的影响
4.Tunnel fire critical ventilation velocity based on dimensional analysis基于因次分析的隧道火灾临界风速研究
5.Theoretical calculation and numerical simulation of critical air velocity in tunnel fires隧道火灾临界风速的理论计算与数值模拟
6.Study on Flutter and Aerodynamic Control Measures of Long-Span Suspension Bridges;大跨悬索桥颤振及提高临界风速的气动措施研究
7.Research on computational method of critical wind speed of tubular members of superhigh voltage transmission steel tubular towers特高压钢管输电塔构件起振临界风速计算方法研究
8.Experimental Study on Critical Ventilation Velocity in Tunnel长建筑通道内临界通风速度的实验研究
9.torsional critical speed扭转临界速度 -电机的
10.critical cooling rate马氏体临界冷却速度
11.critical rotational speed离心机临界振动转速
12.This paper describes the investigation of boundary layer separation control for supercritical aerofoil using micro vortex generator in the low speed wind tunnel.在低速风洞中研究了微型涡流发生器对超临界翼型边界层分离的控制。
13.Research of Effective Neutron Multiplication Factor and Neutron Flux Distribution for Accelerator Driven Sub-Critical System on DF-3 Facility;在东风3号上开展加速器驱动次临界系统有效增殖系数和中子通量密度分布研究
14.Typhoon mean wind speed of different time-distance and its intensity estimate based on wind speed data of boundary layer of typhoon 'Vongfong'“黄蜂”边界层风速分析——台风平均风速的时距选取与强度估计
15.Study on the Critical Speed of Settling Slurry in Horizontal Pipeline;沉降性浆体水平管道临界流速的研究
16.Critical Speed of Circumference Movements in Vertical Planes;竖直平面内圆周运动的临界速度问题
17.In Take-off Movement "Critical Speed" Phenomenon Experimental Study踏跳动作中“临界速度”现象的实验研究
18.Comparison of Approximate Calculating Method for Critical Rotating Speed of Stirring Shaft搅拌轴临界转速近似计算方法的比较

相关短句/例句

critical wind speed临界风速
1.Based on vibration theory,this paper presents concise methods for critical wind speed,Vcr,at which tube members start the aeolian vibration,and resonance force calculations,and analyzes the influences of resonant bending and fatigue stress on safety of web and auxiliary members that are subject to the aeolian vibration.文章根据振动理论给出微风振动钢管构件的起振临界风速Vcr和共振力的简明计算方法,分析了共振产生的弯曲和疲劳应力对易发生微风振动的杆塔斜材和辅材结构安全性的影响。
2.The three-series solution is taken up to the nonlinear differential equation of the galloping movement caused by the cross wind force acting on a high-rise structure, thus giving a reduced 3D expression in terms of steady-state response and critical wind speed.应用三级数法求解横风向的弛振的非线性运动微分方程,得到了三维结构的简明的稳态响应和临界风速表达式。
3.At the same time,it analysis relative factors of smoke control in the tunnal, and gives the critical wind speed of smoke control in the typical tunnel.在分析目前国内外地铁隧道火灾人员疏散方式的基础上 ,建议采用提高疏散效率且基本不增加投资的侧向疏散平台加联络通道的疏散方式 ,同时分析了隧道烟气控制的有关因素 ,给出了典型隧道烟气控制的临界风速 (危急空气流速
3)critical wind velocity临界风速
1.Natural characteristics of long span cable stayed bridges and calculation of its critical wind velocity of flutter;大跨度斜拉桥的动力特性及其颤振临界风速的计算
2.In order to determine critical wind velocity of mem- brane at first order instability, further vortex sheet on membrane is use.为了确定薄膜一阶失稳时的风速,进一步用涡旋面代替风与薄膜表面之间的微小厚度边界层来推导薄膜表面所受的气动力表达式;同时用有限形式的正弦波近似模拟薄膜一阶失稳构型,通过能量守恒原理和牛顿法迭代法求解薄膜振动的最大幅值;根据气动力与薄膜自重和惯性力之间的动力平衡关系获得了薄膜一阶失稳时的临界风速。
3.The determination of the critical wind velocity is one of the main targets.失稳临界风速的确定是其主要内容之一。
4)flutter critical wind speed颤振临界风速
1.The results show that the flutter critical wind speed can be significantly increased by mounting an upper central stabilizing barrier on the top surface of the upper chords of the transverse frames of the truss girder,and the flutter .结果表明,在桁架加劲梁横梁上弦杆上侧设置适当高度的上中央稳定板可以较大幅度地提高桥梁的颤振临界风速,并且在常规的稳定板高度范围,颤振临界风速基本上随上稳定板高度的增加而提高;在横梁上弦杆下侧的主桁架内设置适当高度的下中央稳定板也能在一定程度上改善桥梁颤振稳定性,但效果明显不如上稳定板,在某些高度情况下甚至会降低桥梁的颤振临界风速。
2.The variation pattern between flutter critical wind speed of bridge with flat box deck and wind yaw angle is significantly affected by wind attack angle.扁平箱形截面桥梁的颤振临界风速与风偏角的关系明显地受到风攻角的影响。
3.Thus the flutter critical wind speeds are much lower and the bridge is more unstable during this period.尤其是在施工初期 ,结构的刚度比成桥要低得多 ,使得颤振临界风速最低 ,更容易发散。
5)critical ventilation speed临界通风速度
1.Based on the analysis of the variation law of smoke flow in subway platform fire,a concept about critical ventilation speed from platform to concourse was presented.在分析了地铁站台火灾时烟气流场变化规律的基础上,提出了临界通风速度的概念。
6)critical wind speed for vehicle turnover临界翻车风速
1.A model of critical wind speed for vehicle turnover is established referring to the theory of vehicle-dynamics; and the critical wind speed for vehicl.笔者利用车辆动力学原理建立了列车的临界翻车风速模型,研究了高寒铁路不同海拔地区和冻土地区的临界翻车风速。