Effects of various process variables on average flow velocity of LFC liquid aluminum in the mold have been studied.
研究了各工艺因素对消失模铸造铝液在型腔中平均流速的影响。
Effects of eccentricity and rotation on the secondary flow and maximal axial velocity were analyzed, and the average friction factors and the wall friction distributions were also presented.
分析了偏心距和旋转对于二次流以及轴向速度分布的影响,同时给出了平均摩擦系数和壁面摩擦力的分布。
When appropriate transducers are installed, it may be applied to the measurement of distance, depth, average flow velocity and mass flow rate.
在配备相应的传感器后,可用以测量平均流速、流量及距离、深度等。
There is improvement as compared with the method of total flow which only gives the average velocity of transverse profile of open channel.
较总流量分析法,仅能给出明渠断面平均流速有所改进。
Based on the distribution of instant velocity, fluctuating velocity and average velocity, the flow status of turbulent flow is analyzed.
从瞬时速度、脉动速度和平均速度分布等方面对湍流流动进行了分析。
Among the three soils, the average flow velocity of Wushan soil was the smallest and the breakthrough process was the longest.
对这三种土壤而言,乌栅土的各土层的平均流量最小,穿透时间最长。
The average flow velocity can not get from the average flow velocity of every monitoring point in the same time, but by a period of time.
因为平均流速不是由同一时间各测点流速取平均值得出的,而是由一段时间内各点的流速取平均值得到的。
Previous findings demonstrated that a reduced improvement in coronary flow velocity reserve due to an increase of baseline average peak velocity was linked to cardiac biomarker elevation, they add.
以前的研究证实降低冠脉流速可以增加平均血液流速贮备,导致心肌生物标志物增加。
In addition, the influences of the parameters such as diameter, velocity and concentration of petroleum coke on the average coefficient of flow resistance were discussed.
此外,讨论了管内流速、管径大小和浓度对平均阻力系数的影响。
This paper proposes a scientific hypothesis that the resistance is linear and suggests a sectional average velocity formula for river flow which reflects the character of river.
本文提出了阻力线性假设,并结合河槽断面的具体情况,对河槽的断面平均流速公式进行了探讨。
There is improvement as compared with the method of total flow, which only gives the average velocity of transverse profile of open channel.
较总流量分析法,仅能给出明渠断面平均流速有所改进。
According to the record of ancient documents, this paper gives the possible structure of li Lan's steelyard clepsydra, and demonstrates the principle for the stabilization of average flow velocity.
根据古文献记述,李兰秤漏很可能是使用弹簧联结权器和秤钩,以达到平均流速稳定的目的。
The focus of the study lay in the relationship between the erosion and the average velocity, flow direction, the curvature of the elbow and so on.
重点研究了平均流速、流动方向、曲率半径和管道直径等对冲蚀的影响。
Furthermore, the time history and spectrum of the average flow velocity through an orifice are computed, from which the nonlinear distortion of flow velocity is analyzed.
进而计算了圆孔中的声质点速度,并分析了孔中速度的畸变情况、最后给出了圆孔的非线性声阻和声抗的理论值。
The theoretical computation of average flow velocity in the gap also is introduced.
最后又介绍了龙口平均流速的理论计算方法。
It is also discovered that the axial velocity distribution and velocity-weighted average swirl Angle at the outlet section of axial-flow pump vary with the changing of wall roughness.
研究还发现,水泵出口断面轴向流速分布均匀度和速度加权平均偏流角也随壁面粗糙度改变而改变。
The sap flow velocity of Quercus variabilis was 5~10 times higher than that of the Pinus tabulaeformis on a monthly average basis.
栓皮栎月平均树干液流速率较油松的月平均树干液流速率高5-10倍。
The average sediment yield rate and flow velocity decrease with the increase of coverage, but the influence of coverage on runoff is not remarkable.
草地坡面的平均输沙率及坡面流速随草地盖度的增大而减小,而盖度对草地坡面径流量的影响则不明显。
The average sediment yield rate and flow velocity decrease with the increase of coverage, but the influence of coverage on runoff is not remarkable.
草地坡面的平均输沙率及坡面流速随草地盖度的增大而减小,而盖度对草地坡面径流量的影响则不明显。
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