1) hydraulic parameter
水力参数
1.
A theoretical calculation method for flow rate coefficient and hydraulic parameters of conical nozzle;
锥形喷嘴流量系数及水力参数的理论计算方法
2.
The Influence of the Change of Drill Bit Hydraulic Parameter on the Drilling Effect in CCSD Pre-Pilot Hole Drilling Project;
科学钻探预先导孔工程中钻头水力参数的变化对钻进效果的影响
3.
The theoretical models for hydraulic parameters of fluidics downhole boost compressor were set up with the fluid mechanics network method on the basis of structure and work principle of the first generation of downhole boost compressor.
基于射流式井底增压器第一代样机结构和工作原理,运用流体力学网络分析方法,建立了射流式井底增压器的水力参数理论模型。
2) hydraulic parameters
水力参数
1.
The hydraulic parameters of habitat requirement for the existence and growth of fishes in this river reach are investigated.
确定了河段鱼类生境需求的流速、水深、水面宽、湿周、水温等水力参数。
2.
The effects of the diameter of the stilling well on the hydraulic parameters of flow are analyzed.
从消能井体型优化出发,对竖井溢洪道消能井直径发生系列变化时的井内水流特性进行系统的试验研究,分析消能井直径变化对消能井内各水力参数的影响。
3) hydrodynamic parameters
水动力参数
1.
Calculation of TLP s hydrodynamic parameters;
张力腿平台水动力参数计算
2.
By analysing the geomentry of sandbodies ,the sedimentary sequence,the hydrodynamic parameters and the shap.
在油田开发阶段,由于取芯井很少,单纯依靠测井曲线对沉积单元(单砂体)进行沉积微相的划分是比较困难的,采用砂体几何形态、沉积层序、水动力参数、测井曲线形态等资料的综合分析判断,在细分沉积单元研究的基础上,对大庆萨尔图油田中区西部注聚合物试验区PI3油层进行了沉积微相的划分。
3.
The statistical capability of Kalman estimation method for latitudinal movement of ship is studied,when its hydrodynamic parameters fluctuate around criterion value at random after the proportional distributing.
该文考察船舶水动力参数在标称值附近按均匀分布发生随机变化时,船舶横向运动姿态及受扰Kalman估计的统计性能。
4) hydrodynamic parameter
水动力参数
1.
Research of hydrodynamic parameter identification for underwater vehicle using swarm intelligence algorithm;
水下航行体水动力参数智能辨识方法研究
2.
Considering the unreasonableness of this hypothesis,a new method,which based on the spatially variational hydrodynamic parameters,is presented to study GIUH.
探讨了在非线性的框架下河网结构对流域水文响应的影响,通过考虑水动力参数空间变化的非线性来构建流域地貌瞬时单位线并进而分析对水文过程的影响。
5) hydraulic parameter
水力学参数
1.
Flow pattern and hydraulic parameter characteristics in hillslope-gullyslope system
坡沟系统坡面径流流态及水力学参数特征研究
2.
The pressure in discharge port and the rotation speed of the shaft are both the main hydraulic parameters of the centrifugal pump.
应用基于四端网络的流动噪声测量方法,在专用的实验系统上,对离心泵流动噪声与其水力学参数的关系进行实验研究。
3.
VOF model can simulate air distribution of discharge conduit bottom slab,but cannot compute quantitatively aerated hydraulic parameters (such as wind speed of air shaft and negative pressure of cavity pocket) so that the design of air shaft must depend on physical test results.
通过与1∶40物理模型试验成果的对比表明,数值模拟能较好地对溢洪道泄流能力、分流墩后水面爬高现象、溢流堰压力特性、掺气坎空腔形态、挑流鼻坎压力特性等主要水力学参数进行模拟,且可信度较高,计算结果验证了溢流堰体形、掺气坎及挑流鼻坎体形基本可行。
6) hydrodynamic coefficient
水动力参数
1.
Consequently, getting the hydrodynamic coefficients accurately plays a significant role in manoeuvring, the content of the study in this paper are as follows: Firstly, the simulation model of underwater vehicle movement is discussed.
水动力参数的获得与精确性对于水下潜器的操纵控制至关重要,本文针对水下潜器的水动力参数的问题进行了研究,主要工作有: 系统的研究并推导了模拟水下潜器运动较为完整的仿真模型。
补充资料:泵水力效率
分子式:
CAS号:
性质:泵的扬程与理论扬程之比。衡量泵对流过它的液流阻力大小的指标。ηh=H/HT,式中,ηh为水力效率,%;H为扬程,m;HT为理论扬程(扬程与流体在泵内各种损失之和),m。
CAS号:
性质:泵的扬程与理论扬程之比。衡量泵对流过它的液流阻力大小的指标。ηh=H/HT,式中,ηh为水力效率,%;H为扬程,m;HT为理论扬程(扬程与流体在泵内各种损失之和),m。
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参考词条