fluctuating pressure
[流] 脉动压力;波动压力
2026-04-13 05:46 浏览次数 20
[流] 脉动压力;波动压力
therefore the time series of aerodynamic forces can be obtained by area-weighted integral of fluctuating pressure distributions.
这样就可以通过对脉动压力分布进行面积加权积分,得到脉动气动力的时间历程。
but it also has some asset problems, such as fluctuating pressure in the back of gate, continually swinging, flapping , the flood carrying is complex and so on .
但是此门型仍存在一些值得关注的问题,如闸后空腔脉动负压、闸门运行的频繁摆动、「拍打」、闸门泄流的水力现象复杂等。
the result indicates that the theoretical analysis is correct, and no resonance will appear between the fluctuating pressure of water flow and the gate vibration frequency.
结果表明:该闸门理论分析方法基本是正确的;其自振频率不会与水流脉动压力发生共振。
the fluctuating pressure on the large-span complex roof of guangzhou international meeting and exhibition center were investigated by means of wind tunnel test, the test results have been analyzed.
介绍了复杂大跨屋面的脉动风压风洞试验研究方法和广州国际会议展览中心屋面脉动风压风洞试验的结果,并对结果进行了分析。
the correlation between the fluctuating pressure at separation point of two circular cylinders;
两个圆柱之间分离点压力的相关分析和相位关系;
the cavitation extent and fluctuating pressure of the propeller with negative curved blades are much less than that of conventional one.
反弯扭叶片螺旋桨空泡性能较好,有较低的螺旋桨诱导船艉激振力水平;
compared with correlation measure by adopting ultrasonic and capacity as sensor, it has lower cost that adopting random signal of fluctuating pressure by pressductor measured.
与采用超声波、电容作为传感器的相关测量法相比,利用压力传感器测量压力脉动随机信号的相关测量法成本较低。
fluctuating pressure provides an important basis for the analysis of structure response and for the study of the dynamics environment.
脉动压力是进行结构响应分析和力学环境研究的重要依据。
this paper presents the fluctuating pressure transmission along joints, the time and space correlation and the probabilistic mode in calculating the stability of the blocks.
本文讨论了脉动压强在缝隙内的传播规律、相关关系以及计算块体失稳的概率模式。
in this paper, some problems dealt with similar simulation of fluctuating pressure in the atmospheric boundary wind tunnel are under discussion.
本文讨论了大气边界层风洞中脉动风压相似模拟所遇到的问题。
the major difficulty is how to describe exactly the distribution of fluctuating pressure on the tower surface.
这个问题的主要困难是如何準确地描述作用在塔壳面上的脉动压力分布。
the fluctuating pressure in joints of the bed rock may be a main factor to destroy the bed rock lower reach of a high dam.
高坝下游基巖缝隙内的水流压力脉动是可能造成基础破坏的一个基本因素。
the probability distribution curve of the fluctuating pressure amplitude on the side wall of narrow-gap energy dissipater coincides with the normal probability curve.
窄缝消能工边墻的脉动压力振幅概率分布符合正态概率曲线。
a new fluctuating pressure measurement system is developed for wind tunnel tests of building models.
简要介绍了一种应用在建筑物模型风洞试验中测量脉动风压的电子扫描系统。
the random signal of fluctuating pressure generated by the turbulence flow which is served as signal source is first introduced for measuring rate of flow in the unpurged one phase fluid.
介绍了在非洁凈单相流体中,利用流体紊流产生的压力脉动随机信号作为相关测量信号源进行流量测量; 避免大口径管道采用均速管测量非洁凈流体时,取压孔被堵塞问题。
it is an effective method to obtain more accurate fluctuating pressure on the surface of buildings and structures in wind tunnel test.
结果对如何正确测量建筑物表面脉动压力提供了一种有效的方法。
on the experimental model, fluctuating pressure on the bottom of plunge pool was measured.
本文通过水工模型试验,对水垫塘沖击区底板块表面及底面动水动力进行了测量。
characteristics of time-average aswell as fluctuating pressure distribution along the pier head and its probability distribution, density correlation are discussed.
研究结果表明,墩头脉动壁压概率分布服从正态分布;
fluctuating pressure came from the different structures of the screws.
轴向压力波动与螺桿的几何结构变化有关。
the relationship of the fluctuating pressure coefficient on wall and the turbulent intensity near the wall can be described with logarithmic curve.
单股和双股射流塘底脉动压强系数与近壁紊流强度的关系可用对数曲线表述。
the fluctuating pressure intensity at the downward side of the gate increased 8% due to the invalid of aeration.
门后通气设施失效使闸门下游面板上的脉动压强增加约8%。
in this paper, the fundamental principle of random process theorem is applied to the analyses of fluctuating pressure amplitude and frequency characteristics of the overflow tower.
本文应用随机过程理论的基本原理,对泄水塔泄流的脉动压力的幅值特性及频率特性进行了分析。
two parts are included in the thesis:1 the analysis and prediction of fluctuating pressure at transonic mach numbers.
论文的工作由两部分组成: 1.跨音速脉动压力预测与分析。
the definition and calculation of fractional dimension are introduced briefly. fluctuating pressure signals from sediment? laden and aerated flow are processed by the reconstruction of phase space.
简要介绍分维的定义和计算方法,同时运用相空间重构法,对含沙掺气水流脉动压力信号进行处理,并计算浑水、清水、掺气三种不同水流状况的关联维数。
one of the more severe fluctuating pressure environments encountered in supersonic or hypersonic flows is the shock wave oscillation driven by interaction of a shock wave with boundary layer.
在超声速或高超声速绕流中,一种很严重的脉动压力环境是由激波边界层相互作用引起的激波振蕩。
using the related analysis method, this article deals with the point-surface conversion of the side fluctuating pressure which acts on plane, cylinder and sphere in hydraulic buildings in detail.
利用相关分析方法,详细讨论了作用于水工建筑物的平面、柱面和球面上的边壁脉动压力的点面转换关系,推导出面脉动荷载的解析表达式。