backward flow
英 [ˈbækwəd fləʊ]
美 [ˈbækwərd floʊ]
逆流；对流
双语例句
- Numerical simulation of backward flow of methane roof layer in an airway Optimization of Ventilation System in Protection of Pillar on Recovery Roadway
巷道风流中瓦斯逆流现象的数值模拟回收大巷保护煤柱时通风系统的优化 - To make easy and efficient production planning for mixed-mode process and improve performance of the planning, a parallel backward inferring algorithm based on flow networks was proposed.
针对混合流程作业计划编制困难、效率低、生成的计划可执行性差等问题，提出了基于生产流程网络图的时间并行倒推算法。 - An abnormal backward flow of body fluids. liquidity index
身体液体的异常回流。液性[液化，流性]指数 - We study methane backward flow in the laneways at various wind velocities and angles based on computational fluid dynamics theory;
根据计算流体动力学理论，研究巷道在不同风速、不同倾角下的瓦斯逆流现象； - The hydrogen bubble technique was used to visualize the development and variation of a backward facing step laminar separation flow, which covered basic flow and its unsteady control.
应用氢泡流动显示技术研究了后向台阶层流边界层分离、再附整个过程中流动结构的发展变化。内容涉及基本流动和非定常控制。 - Comparison of Process Characteristics of Air-Water Heat-Mass Transfer in Direct Contact Forward Flow and Backward Flow
空气与水直接接触热质交换顺流和逆流过程特性比较 - According to 3D numerical simulation for the glass melting process under various working status, the major results are summarized as follows: ( 1) there isn't any backward flow within the throat, which is different from 2D simulation.
利用三维数值模拟详细研究了运行工况对熔制过程的影响，并得到以下主要结果：（1）在实际池炉流液洞中不存在回流，这不同于一般二维模拟结果； - Experimentally studies incipient cavitation of sudden enlargement type backward facing step flow with different inlet velocity and different height of step;
试验研究了不同流速、不同台阶高度的突扩式后台阶管流的初生空化特性； - Effect of lower-wall slipping on a backward-facing step flow
下平板滑移对后台阶流的影响 - Conclusion Quantitative recognition of sensitivity of reservoir clay was obtained through experiments on velocity sensitivity, water sensitivity, alkali sensitivity and forward and backward flow of 32 samples from& cored holes.
结论通过对80取口井32块样品的速敏性、水敏性、碱敏性以及正反向流动试验，取得了对储层粘土敏感性的定量认识。 - The flow of Poyang Lake is divided into three kinds of flow as following: gravity flow, top-lifted flow, and backward flow, their characters are described in the article.
根据实测资料，将鄱阳湖湖流归纳为重力型、顶托型、倒灌型三种基本类型，概述了各类型湖流的机制、特征； - Based on the superposition principle and the forward/ backward sweep method, an improved power flow algorithm for meshed distribution networks is proposed.
提出了一种基于叠加原理和前代后代法的用于计算环状配电网潮流的改进算法。 - While it kept the original intensity of the cavity bottom unchanged. The backward flow in the bottom cavity reduces the cavity length.
在保证型腔底部强度的前提下，一定程度上降低了点浇口的加工难度。回溯水流使底空腔变短，有效空腔长度是影响掺气效果的重要因素。 - The particle dispersion mechanism in turbulent separated flow was studied numerically by analyzing the particle dispersion in the separated flow behind a two-dimensional backward facing step. The gas flow was simulated using a large eddy simulation with the solid particle motion traced by the particle track model.
为了揭示颗粒在湍流分离流动中的弥散机制，采用大涡模拟方法和颗粒轨道模型，对二维后台阶分离流动中颗粒弥散进行了数值模拟研究。 - Investigation on the Reattachment Process of Backward-facing Step Flow using Large Eddy Simulation
后台阶流动再附着过程的大涡模拟研究 - Numerical Analysis of Backward Facing Step Laminar Flow by Direct Solver For the particularity of this approach, the calculation of correlative integral on fictitious domain is described in detail. The cyclic reduction procedure for linear system is deduced integrally.
基于本文讨论的虚拟区域方法的特殊性，对虚拟区域上的相关积分的数值求解过程进行了详细的描述，对所使用的大型稀疏矩阵的快速直接解法&循环消去法也进行了详细的推导。 - Study on measures to protect scouring caused by backward flow downstream from spillways of Three Gorges Project
三峡工程坝下回流淘刷防治措施的研究 - Numerical Simulation of Backward Facing Step Flow with Nonlinear K ε Two Equation Turbulence Model
用非线性K-ε两方程湍流模型计算后向台阶分离流动 - The characteristics of separated shear layer in a backward facing step laminar flow
后向台阶层流分离剪切层特性研究 - Analysis of backward prerotation operation for inlet air flow of centrifugal fans
离心式风机入口气流反预旋运行分析 - Integrated Compartment Method and Computation of Backward Step Flow
积分单元法及后台阶绕流计算 - Study on 2D flow over a backward facing step flow with particle image velocimetry
PIV在二维后向台阶流实验研究中的应用 - Numerically simulates incipient cavitation of sudden enlargement type backward facing step flow by two different methods, mixture model and k~ ε model combined Non-constant density equation;
用紊流混合模型和k~ε结合变密度方程分别对突扩式后台阶三维管流的初生空化进行了数值模拟； - Using cement retainer squeezing technology can prevent the cement backward flow, and cam let the residual cement through the upper party to recycle to the ground.
采用水泥承转器挤水泥技术能防止挤水泥浆倒流，且多余的水泥浆能从工具的上部反循环至地面。 - Through analyzing the two dimensional flow over a backward facing step and the three dimensional flow in a strongly curved bend at high Reynolds number, it indicated that the scheme is efficient for high Reynolds number flows.
通过对二维后掠台阶和三维弯曲管道内高雷诺数紊流流动算例的分析，表明本文方法对高雷诺数流动的数值计算是有效的。 - Numerical simulation of a backward facing step compressible flow
可压缩后台阶流的数值模拟 - Investigation on the Flow Field of the Backward-facing Step Flow with Free Surface
带自由表面的后向台阶流动的流场研究 - In addition, periodic dielectric waveguide is shown to support backward wave propagation, whose power flow and phase velocity are anti-parallel.
另外，周期介质波导支持反向波的传输，其功率流和相速度方向相反。 - A confidence measure to assess reliability of optical flow is defined according to the bidirectional symmetry of forward and backward optical flow. Thus, a confidence based optical flow algorithm is proposed.
根据前向光流和后向光流的双向对称性的特点定义了反映光流可靠性的置信度，并提出了基于该置信度的光流估计算法。 - A modified forward/ backward sweep algorithm for shipboard power system load flow calculation is proposed in this thesis, which is derived from the traditional three-phase backward/ forward power flow method for distribution network.
本文借鉴用于配电网络三相潮流计算的前推回代方法，建立了适合舰船电力系统特点的三相潮流计算模型和方法。