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dissipation flow
耗流量
A high performance and low power dissipation flow integrator based on a new nano-watt product PIC16F88 is introduced,including the basic principle and design of the hardware and software of the system. 介绍了基于新型纳瓦产品PICmicro单片机PIC16F88的低功耗流量积算仪的基本原理,硬、软件设计及其实现方法。 短句来源 “dissipation flow”译为未确定词的双语例句
Based Self-Heating Dissipation Flow Velocity Sensor of the Liquid Injected into the Oil Well 自热耗散式油井注入液体流速传感器 短句来源 Based on the turbulence characteristics of energy dissipation flow, a turbulence model to simulate highly-turbulent flow with free surface under a eurviliner is established, and a large- scale computational software package arre developed for mumerical laboratory in this paper. 本文针对坝下消能工紊流的特点,建立了曲线坐标下带自由表面、强紊动水流的数学模型,并编制了坝下消能工数值实验室的大型软件包。 短句来源 In the past design,under the conditions of larger discharge and energy dissipation,flow cavitation number σf larger than incipient cavitation number σi of the flood tunnel must be satisfied to avoid cavitation in it. 在以往的设计中，在满足较大的泄量和消能量条件下，通常泄洪洞还要满足σf＞σi，以免发生空化空蚀。 短句来源 相似匹配句对
The Discussion of surface flow energy dissipation 应用面流消能硬壳陂的体会 短句来源 Energy dissipation in nappe flow on stepped spillways 台阶式溢洪道中跌落水流的消能 短句来源 the flow is designed. 进行了系统的流程设计。 短句来源 On Helical Flow 螺旋流动探讨 短句来源 The Problem of Dissipation Structure 关于耗散结构问题 短句来源 
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Based on the turbulence characteristics of energy dissipation flow, a turbulence model to simulate highly-turbulent flow with free surface under a eurviliner is established, and a large- scale computational software package arre developed for mumerical laboratory in this paper. Some complicated flow in energy dissipation structurre are numerically simulated, the compulational results are visualized by animation. Thus, the proposed model are likely to lead to a method for the sc... 本文针对坝下消能工紊流的特点,建立了曲线坐标下带自由表面、强紊动水流的数学模型,并编制了坝下消能工数值实验室的大型软件包。利用该软件包对坝下消能工中复杂水流进行了数值模拟,并通过动态显示技术以形象的图形输出,从而可以灵活地修改模型或原型的形状和参数,方便地进行系列数值实验或不同方案的比较,为泄水建筑物消能工的方案选择和设计提供足够精细和准确的数据,有助于数学模型逐步地取代费时耗物的物理模型实验。 文摘来源 To solve the problems of irregular boundaries and free surfaces in predicting three dimensional anisotropic turbulent flow,a modified K-B turbulence model is derived, and the governing equations of turbulent flow over irregular boundary are developed by analyzing the scud-liquid two-phase theoretical flow model. And furthermore a partial-cell Parameter is introduced to treat irregular boundary, which allows curved boundaries and internal obstacles or islands. To track free surfaces, a simp... 本文针对水流计算中不规则边界和自由表面问题，从流日两相流理论出发，推导得出具有不规则边界时的紊流控制方程，引入通度概念处理不规则计算边界；采用ＭＡＣ方法的思路，直接从物质输运方程出发，推得流体体积输运方程，用ＶＯＦ法追踪随时间起伏的自由表面。利用所建立的数学模型计算了实用重力坝及其下游库式消力池中水流流场，并对一个收缩式消力池中三维水跃进行数值模拟。计算结果较好地与实验结果符合。 文摘来源 A modified K-ε model is adoped and a partial cell parameter to treat irregular boundary is introduced. The governing equation of turbulent flow over irregular boundary is deloped by analyzing the solid-liquid two phase theoretical flowing model. Two examples (one is spillway over flow and its down-stream bucked-type energy dissipation flow, the other is a 3-D hydraulic jump in converging stilling basin) show that a good agreement is obtained between the calculated and the obser... 本文针对复杂三维水流所具有的不规则边界、自由表面及各向异性,引入通度概念处理不规则计算边界,用VOF法追踪自由表面,采用修正的K-ε模型封闭Reynolds方程,分别计算了实用重力坝及其下游戽式消力池中水流流场和一个三维水跃流场。计算结果较好地与实验结果符合。 文摘来源 << 更多相关文摘 
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