The reasonable selection for drilling fluid rheological model and the precise calculation for rheological parameters is the preconditions for optimizing drilling fluid design.
钻井液流变模式的合理选择和流变参数的准确计算是钻井液优化设计的前提。
Firstly,several rheological models of cement slurry are proved through linear transformation and then measured datas of cement slurry are dealt with linear regression of models.
本文通过对水泥浆的几种流变模式进行线性转化，用水泥浆的实测数据分别对几种模式进行线性回归。
This paper introduced some rheological models of material and the measurement method of dynamic viscosity.
介绍了超常温下沥青材料的常见流变模式及动力粘度测试原理，然后通过对沥青材料进行同轴旋转剪切流变实验，测试了沥青材料的动力粘度，建立了沥青材料在超常温下的流变模型，并就有关问题进行讨论。
This paper introduces an intelligent system for designing drilling fluid hydraulics, with which drilling fluid rheology models can be automatically optimized.
该系统以优化钻井液流变模式为基础,根据井身结构和钻具组合,模拟实际钻进参数,输入机械钻速和岩屑相关参数,通过图形和报表动态输出压力降、钻井液当量密度、岩屑临界输送速度等参数,用户可方便地对钻井参数进行对比和参照,并根据实际经验加以修改,以达到最优水力参数的设计。
The achievements of rheology,rheology models and evaluating methods of crude oil emulsion both in domestic and international were introduced.
综述了油水乳化液流变性研究进展,介绍了目前国内外乳化液流变性的研究情况、乳化液的流变模式及乳化液流变性的评价方法。
In order to obtain the nodal flow pattern of sanitary sewer networks for the unsteady flow simulation,the main element and the periodic element of the measured flow series were identified according to the non-stationary time series analysis,and the sum of the main element and the periodic element was the nodal flow pattern.
为了获得污水管网非恒定流模拟所需的节点流量变化模式曲线,根据非平稳时序分析方法识别原始流量序列的主值分量和周期分量,二者之和即为节点流量变化模式。
<Abstrcat>Due to conducted or radiated EMI from inner or outer coupling circuits,breathing can exist in current-mode controlled Boost converter.
本文揭示了在电流模式控制Boost变换器中,由于存在内部或外部耦合电路引起的传导和辐射干扰,使得有可能产生呼吸现象,这是一种以较长的周期按顺序交替历经规则、分谐波和混沌状态的时间分叉现象,在功率变换电路中是一种非正常的工作状态。
By working with different rheological models one might discover that.
通过研究不同的流变模式就可以发现它。
Keywords: electrorheological fluid, flow mode, mixed mode, shear mode, damper.
关键词：电流变液、动模式、合模式、切模式、尼器。
Fuzzy Control for Buck Converter Based on Current Mode Control
基于电流模式的Buck变换器的模糊控制
Sensitivity Analysis for Multimodal Equilibrium Assignment Variational Inequality Model;
多模式均衡配流变分不等式模型的灵敏度分析
Research and Modeling of Current Mode Fuzzy Control led Boost Converter
电流模式模糊控制Boost变换器的研究与建模
The Design of Current Mode DC-DC Converter with PWM Controlled;
PWM控制电流模式的DC-DC变换器设计
The Seasonal Circulation and Thermohaline Structure in the Japan Sea Are Studied Numericall Using the POM;
POM模式分析日本海环流季节变化
Research on Book Mode and Consciousness Rheology of the Thousand Words;
《千字文》教材模式及教学意识流变研究
The Optimal Liquidation Strategies on Intraday Liquidity Patterns;
基于日内流动性模式的最优变现策略
Change and Projection of Climate in the Songhua River Basin
松花江流域气候变化及ECHAM5模式预估
Verification of power-law model of the non-newtonian fluid with experiments
非牛顿流体幂指式流变模型的实验验证
Effects of Variable Discharge Coefficient Models on Steady-state Simulation of Pilot Relief Valves
先导式溢流阀变流量系数模型静态仿真研究
The Design of the Single-chip DC/DC Converter Based on Peak Current-Mode
峰值电流模式的单片式DC/DC变换器设计
Deformation Modes and Flow Behavior of Metal in Die Forging Process of Disk Components;
盘类件模锻过程金属变形模式及流动规律研究
Sliding Mode Control of Vehicle Semi-active Suspension with Magnetorheological Dampers Having Polynomial Model
多项式模型磁流变减振器半主动悬架滑模控制
Modeling of Non-Ideal Buck Converter with Peak Current-Mode Control
峰值电流模式控制的非理想Buck变换器的建模
The Remote Monitoring System with B/S Mode for Rheometer;
基于B/S模式的流变仪远程监测系统的研制
The System and Circuit Design of Step-Up Converter with Peak Current-Mode;
峰值电流模式升压变换器的系统与电路设计