Fluctuating pressure came from the different structures of the screws.
轴向压力波动与螺杆的几何结构变化有关。
The experiential formulas to estimate fluctuating pressure intensity have been given.
提出了估算类似条件下的脉动压力强度的经验公式。
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 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准确地描述作用在塔壳面上的脉动压力分布。
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%。
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。
In a conceptual model, fluctuating pressure of clear water and muddy water is measured with improved measuring techniques.
在对量测技术进行研究和改进的基础上，对不同流态区清水和浑水脉动压力进行了系统的对比观测。
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.
高坝下游基岩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。
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。
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。
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。
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 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。
In this paper, based on the experiments of flow over three square cylinders, the peak values of the fluctuating pressure on the surface were discussed.
以三方柱模型实验结果为依据，讨论了建筑物表面风压脉动的极值分布情况。
The probability distribution curve of the fluctuating pressure amplitude on the side wall of narrow-gap energy dissipater coincides with the normal probability curve.
窄缝消能工边墙的脉动压力振幅概率分布符合正态概率曲线。
Compared with correlation measure by adopting ultrasonic and capacity as sensor, it has lower cost that adopting random signal of fluctuating pressure by pressductor...
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。
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。
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。
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。
The reliability of the system was verified by measuring the fluctuating pressure distribution of single circular cylinder and comparing the results with those in the literatures.
通过对单圆柱绕流进行同步测压，并和文献中的结果进行对比，验证了本套同步测压系统的可靠性。
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荡。
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。
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 main character of the HVS is that, by means of fluctuating oil pressure, the pile-driving force can be changed in a higher frequency, and therefore better vibrating effect can be gained.
液压振动系统的主要特点是在桩机液压系统中的压桩油路产生流体压力变化和波动，从而使沉桩力出现高频的周期变化，产生振动压桩的效果。
A systematical research was conducted for the time averaged structure and fluctuating structure of the turbulent pressure distribution in the low energy consumption hydrocyclones.
对低能耗水力旋流器内的湍动压力场的时均结构与脉动结构进行了系统研究。
Pressure fluctuating is an important parameter in the design and operation of fluidized bed, the signals of which contains a lot of behavioral traits of fluid dynamics inside the bed.
压力波动是流化床设计和操作中的重要参数，其信号包含了床内大量的流体动力学行为特征。
Simulation results reveal that equivalent rotational inertia, damping factor, fluctuating loading pressure and loading torque has comparatively large influence on control properties.
仿真结果表明，系统等效转动惯量和等效阻尼系数的变化以及负载压力和加载转矩的波动干扰，对系统控制性能的影响较大。
It delivers accuracy with 0.025 psi Max supply pressure effect to hold setpoint regardless of fluctuating supply.
它提供0.025防扩散精度最高的供应压力的影响，不论持有设定点供应的波动。
If accurate fitting formulas of spectrum and coherent function of the fluctuating wind pressure can be obtained, this method possesses great advantage in computing efficiency and accuracy.
指出如果能拟合出脉动风压谱和相干函数的精确公式，该方法在计算效率和计算精度方面均有较大的优势。
If accurate fitting formulas of spectrum and coherent function of the fluctuating wind pressure can be obtained, this method possesses great advantage in computing efficiency and accuracy.
指出如果能拟合出脉动风压谱和相干函数的精确公式，该方法在计算效率和计算精度方面均有较大的优势。
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