Hydraulic flow fluctuation effects the hydraulic components' working precision and service life.
液压流体的不稳定使液压元件的工作精度及使用寿命受到影响。
Therefore , Comparing with traditional pump, the noises caused by the flow fluctuation will reduce greatly.
因此,和以往的泵相比,由流量脉动所引起的噪声将会大大的降低。
So, this new type of cycloidal pump is capable of operating with higher rotation speed and more teeth, higher specific flow rate, less flow fluctuation and wear.
因此,新型转子泵可以采用较普通转子泵更高的工作转速、更多的齿数,并获得更大的流量、更小的波动和更小的磨损。
Maximum influencing factors of flow fluctuation coefficient are the elastic modulus of the oil and the working pressure of the pumps, the piston number being a minor factor.
同时指出流量脉动系数最大的影响因素是油液的弹性模量和油泵的工作压力,其次是柱塞数。
This paper analyses the random process of traffic flow fluctuation of the traffic control system and presents the subsystem quasi -junction method for the determination of signal cycle of the system.
本文通过对城市干道交通控制系统交通流波动特性的随机过程分析,提出了确定该系统信号周期的子系统比拟法。
Derives an equation set to reveal the influence of water flow variation on temperature of the heated room and permitted fluctuation of the hydraulic imbalance degree of pipeline.
推导出了水流量变化对供暖房间温度的影响以及管路水力失调度允许波动的取值范围,指出循环水量减小时对室温的影响较水量增加时为大。
According to the rheology theory, flow characteristics and pressure fluctuation of pumped concrete in conveying pipe are analyzed.
从流变学原理出发,分析泵送混凝土在输送管道内的流动特性和压力变化情况。
The mixing chamber of headbox plays an important role in homogenizing pulp flow and stabilizing pressure fluctuation of pulp. The length of mixing chamber is an important parameter.
混合室在流浆箱中起着均匀浆流、稳定压力的重要作用,而混合室的长度是混合室设计中的重要参数。
Basing on analysis of TCP flow control stochastic differential equation model, this paper presents a new method to analysis queue fluctuation.
本文在分析TCP流量控制微分方程模型的基础上,提出一种新的队列波动分析方法。
Special testing apparatus was built to study the effect of arc divided flow on the jet fluctuation and the inhibiting effect of new spray gun on the jet fluctuation.
为了研究电弧分流对射流脉动的影响以及检验新喷枪对射流脉动的抑制作用,而建立了专门的试验装置并进行了相关的试验。
Net cash flow per share from operating activities is relevant to the fluctuation of stock prices in separate years.
每股经营活动产生的净现金流量只在个别年度对股价波动产生影响。
The stock market is a factor market full of uncertainty where the rapid flow of information and capital leads to frequent price changes which in turn results in market fluctuation.
股票市场是充满不确定性的要素市场,信息、资本的快速流动使股票市场价格不断发生变化,从而导致股票市场波动。
The status of on-line identification for gas-liquid two-phases flow regime using the different pressure fluctuation is reviewed.
介绍了根据压力波动过程实现汽(气)液两相流流型在线识别的最新研究成果;
Based on the crystal plasticity theory and mathematical theory of statistics, the relation of flow stress fluctuation quantity to grain dimension as well as billet dimensions was built.
基于晶体塑性理论及数理统计理论,建立了流动应力波动幅度与晶粒尺寸和坯料几何尺寸间的关系。
In the result analysis, a couple of flexible adjusting principles for interval cash flow and methods to calculate the fluctuation parameter of electricity price are provided.
在案例分析中给出了项目区间现金流的柔性调整原则和方法,以及电价波动率的确定方法。
As concerns theories of stellar winds, basic equations are given and a number of models, namely, radiation pressure models, fluctuation model and imperfect flow model are reviewed.
在理论方面,介绍了星风的基本方程,早型星星风的辐射压模型以及波动模型和非理想流模型。
The hydraulic factors caused by the fluctuation flow and the filter mechanism of the geotextile filter of sea embankment are researched.
研究了波动水流对海堤织物滤层的水力要素及过滤机理。
The simulations show that the water fluctuation and overshoot are smaller using Step-PID than using general PID control method. The method is suitable to open channel flow.
仿真结果表明,较常规PID,步进式PID控制渠道输水,水位波动小,超调量小,较适合明渠输水控制的实际运行情况。
Pressure difference fluctuation is employed to identify flow pattern and pressure difference fluctuation signals of various flow pattern are obtained.
采用压差波动法测定流型,获得了不同流型下的压差波动信号。
The nonlinear characteristics of pressure fluctuation for two-phase flow in vertical upward section of U-type tube were investigated by means of deterministic chaotic theory.
确定性混沌理论能够深刻揭示气液两相流压力波动的非线性特征。
Firstly, on the gas-solid fluidized bed experimental system platform, we get all the flow pattern of the pressure fluctuation signals.
首先,在气固流化床实验系统台上,获取各流型的压力波动信号。
The mechanism of arc divided flow was studied along with its effect on the jet fluctuation.
分析了电弧分流的机理及其对射流脉动的影响。
All the phenomena show: water flow resistance is the important prerequisite to cause transpiration fluctuation, and the latter can be the result of stomatal oscillation.
这些现象说明,水流阻力是蒸腾波动产生的重要前提条件,而蒸腾波动则可能是气孔开合波动的直接结果。
The relationship between pressure fluctuation and flow pattern of fluidized bed is investigated experimentally. The pressure fluctuation characteristics of gas slug and particle slug are measured.
实验研究了流化床流型结构与压力波动的关系,测定了节涌流化床气栓和料栓内的压力波动特性。
This article deduces in theory the influence of water flow changes on the temperature heating room and range of the permitted fluctuation of the hydraulic imbalance degree of pipeline.
为此从理论上导出了水流量变化对供暖房间温度的影响以及管路水力失调度允许波动的取值范围。
This article deduces in theory the influence of water flow changes on the temperature heating room and range of the permitted fluctuation of the hydraulic imbalance degree of pipeline.
为此从理论上导出了水流量变化对供暖房间温度的影响以及管路水力失调度允许波动的取值范围。
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