The positive instantaneous flow signal were transmited by absolute value circuit.
用绝对值电路输出正极性瞬时流量信号。
The purpose of the work reported in this paper is to establish a new method for measuring instantaneous flow rate.
本文的研究目的是要提出一个新的瞬态流量的测定方法。
As to water, the instantaneous flow rate distribution of the flow is calculated, and the distribution curves are plotted.
以水为例,对这种流动的流量分布进行了数值计算,绘制了瞬时流量分布曲线。
The pulsed hydrogen bubble technique and video recording system allows the recording of instantaneous flow field in the present study.
实验采用了脉冲氢泡发生器和录像系统对流场进行了显示和研究。
Analyses indicate that the eccentricity and stroke of the inner cylinder are the main factors that affect the instantaneous flow rate distribution.
分析结果表明,环空偏心距、内管冲程是影响瞬时流量分布的主要因素。
This paper introduces the working principle and deduces the equations of geometric flow, average flow, instantaneous flow and the pulsation of the pump.
讨论了二从动轮式复合齿轮泵的结构原理,导出了排量、平均流量、瞬时流量和流量脉动率的计算公式。
Analyses indicate that the eccentricity, the stroke and the frequency of the inner cylinder all affect the instantaneous flow rate distribution remarkably.
分析结果表明,环空偏心距、内管冲程、内管冲次对瞬时流量分布的影响较为明显。
A 3d acoustic Doppler velocimeter (ADV) is used to measure the instantaneous flow fields at different measurement points in a flume covered with vegetation.
利用三维超声波多普勒流速仪(adv)量测有植被时水槽不同测点位置的瞬时流场。
The invention has the following advantages: accurate responses the instantaneous flow quantity and total flow quantity, accurate readings, well using affect.
本发明有如下的优点:准确反应瞬时流量和累计流量,读数准确,使用效果好。
As to the aqueous solution of partially hydrolyzed polyacrylamides (HPAM), the instantaneous flow rate distribution is calculated, and the distribution curves are plotted.
以部分水解聚丙烯酰胺(HPAM)水溶液为例,对这种流量分布进行了数值计算,绘制了瞬时流量分布曲线。
Established a mathematical model to simulate the instantaneous flow fields and cavitation by combining the weakly compressible fluid theory and the Large Eddy Simulation method.
建立了微可压缩流理论和大涡模拟方法相结合的空化流数学模型,为四川大学工学博士学位论文孔板泄洪洞空化初生的研究开辟了一条新途径。
The results show that, the velocity and instantaneous flow rate distribution of second order fluid with variable coefficients differ greatly from the ones of the power-law fluid;
对比分析结果显示,变系数二阶流体和幂律流体在速度分布和瞬时流量分布上都有较大的差异;
Based on the equation of action line for cycloidal pump, a geometrical mathematical model is built to solve instantaneous flow, displacement, average flow and the pulsation of the pump.
根据摆线泵的啮合线方程,建立了用几何法求解摆线泵的瞬时流量、排量、流量脉动率的数学模型。
This paper analyzes the flow pulsation in a compound gear pump with 2-idlers, derives formulae for calculating displacement, average flow velocity, instantaneous flow and pulsation flow.
讨论了二从动轮式复合齿轮泵的结构原理,导出了排量、平均流量、瞬时流量和流量脉动率的计算公式。
The planar laser scattering was used to visualize the instantaneous flow while measuring total pressure and sampling the concentration of CO2 were used to obtain the time averaged results.
采用平面激光散射技术对其进行瞬态可视化成像,利用组分采样、测量总压进行时均分析。
That information flow in financial markets is free and instantaneous.
金融市场不断涌入的免费、即时的信息。
Rhythmic swings of the pendulum or instantaneous water flow may easily bring a person into a trance condition, helping him to dive into the personal inner world.
钟摆有节奏的摆动或者瞬时的水流也许很容易让人精神恍惚,有助于他投入到个人内心世界之中。
It can manage the air consumption for substantial saving by detecting pressure, flow and accurately calculate the instantaneous power.
可以检测压力、流量并准确计算出瞬时功率,从而管理压缩空气能耗,实现大幅节能。
It can display instantaneous and cumulative flow division simultaneously, and regulate flow by controlling parameter in order to achieve close-loop control of pressure in high-pressure pipe network.
并且可以实时显示瞬时和累计的分流流量,并可自由地对控制参数进行调节,以实现高压管网压力的闭环控制。
Instantaneous mass transfer of gas-microdroplet two-phase flow is one of the most important procedures in the field of chemical engineering, colloid science and environment science.
气雾两相流瞬态传质现象广泛存在于多相反应器、燃烧、空气污染物控制和大气运动等化工、环境和气溶胶科学领域。
It is found that the gas flow is mainly controlled by instantaneous arc power and the maximum of gas flow appears not at peak pressure, but at current zero.
结果显示,气流的改变主要受电弧瞬时功率控制,最大流量不是发生于压力峰值时刻而是出现在电流过零时。
Although the resistance force increase of series nozzles makes the average energy of jet flow decreased but it lets the instantaneous energy modulated to impel more fluid resonances.
虽然串联喷嘴阻力损失的增加,使射流平均能量有所降低,但射流的瞬时能量得到了调制,激励出更大的流体振荡。
Flow diagrams of algorithm for inverse time current protection and instantaneous over current protection were given as well.
给出了长延时和瞬动二段保护的算法流程。
The initial source of random numbers is obtained by processing the instantaneous data stream and data flow for controlling.
采用工作时的瞬时码流和控制流数据,通过处理得到初始的随机数源;
Due to the instantaneous to change and open/close material flow, so had a higher accuracy of quantificationally.
由于可以瞬时地改变和启闭料流,所以给料量有较高的精度。
Compared with other multiphase flow measurement technologies, it can provide instantaneous microcosmic information of the parts of multiphase flow.
与其它多相流参数检测技术和方法相比,它能提供多相流流动过程中多相流混合体局部区域瞬态微观的信息。
Flow diagrams of algorithm for inverse time current protection and instantaneous over current protection were give…
给出了长延时和瞬动二段保护的算法流程。
This ship oil discharge monitoring and control system can measure signals of oil density, flow and ship speed by sensors and calculate instantaneous oil discharge rate and total oil discharged.
所研制的排油监控系统能够通过传感器来测取油份浓度,流量和船速信号,并经计算机计算出油量瞬时排放率和排油总量。
The conductivity probe was used to measure the instantaneous local void fraction in the horizontal pipe and the illustrative picture of probability density of flow pattern translation is obtained.
使用自行设计、制作的电导探针测量系统,测量了水平管内瞬时、局部空隙率,并且得到流型转变的特征密度概率图谱。
Several leak diagnosis methods such as instantaneous negative pressure wave, flow-lack, and hybrid diagnostic method were used.
采用了瞬态负压波法、流量输差法和压力流量综合法等多种泄漏诊断方法。
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