Using system engineering theory and method, system model and simulation method, the paper analyses the conflict between supply and demand of water resources within the system.
文章用系统工程的理论和方法,用系统模型和模拟的方法,分析系统内水资源的供给与需求。
Because the simulation range of river network is wide, the water quality is mostly simulated in numerical method.
由于河网的模拟范围很大,多数情况下只能采用数值方法进行水质模拟。
This paper takes steel slag as simulation object, and studies the processing technique of centrifugal graining equipment water quenching method for molten steel slag.
本论文以液态钢渣为模拟对象,研究液态钢渣的离心粒化设备水淬法处理技术。
The recharge simulation method of intercepting certain boundary flow under higher natural water table is studied and presented.
研究并提出了较高天然地下水位条件下截取边界定流量补给模拟方法。
This paper presents a method, in which the computer dynamic simulation is used, to evaluate the energy use of WLHP (water loop heat pump) system.
提出闭式环路水源热泵空调系统运行能耗的计算机动态模拟评价方法。
By means of finite element method, a numerical simulation of water impact is proceeded for a three-dimensional wedge-shaped structure impacting on the fluid field with a free-surface.
本文采用有限元法,就三维楔形体结构对带自由表面流场的撞水过程进行了数值模拟。
The integrated simulation of urban drainage system is a prevailing method to estimate its water environmental impact, however, there have not been any related studies in China.
城市排水系统的集成化模拟是国际上推行的一种研究方法,但在我国尚没有相关的实例报道。
The response was compared with that obtained through simulation realized by the use of MATLAB and the actual process on different steam flow, feed water flow, fuel flow and control method.
并运用MATLAB仿真工具,针对锅炉水位和汽压调节对象仿真模型在不同的蒸汽负荷、不同给水量、不同燃油量和不同控制方式下的动、静态情况进行仿真研究。
The grey simulation method for river water quality system is studied and an example of application is given.
本文研究了河流水质系统的灰色模拟方法,并给出了应用这种方法的计算示例。
The proposed method that can identify the characteristic of NSG water level correctly and has enough precision of identification is demonstrated by computer simulation.
仿真结果表明,所提出的方法能够正确地辨识核动力蒸汽发生器的水位特性,且具有较高的辨识精度。
This method can describe the water flow velocity and vortex function distribution on all points of the reactor, with the simulation result in good coincidence with field test data.
该方法能够描绘出反应器内各点的水流速度以及涡流函数分布,且模拟结果与试验测定结果吻合得较好。
Based on the Reynolds stress model CFD numerical simulation method, both flow mechanism and flow characteristics of dispersed oil phase in oil-water separation hydrocyclone were studied.
采用雷诺应力模型CFD数值模拟方法,对油水分离器内的流动机理和分散油相的流动特点及处理方法进行研究。
In the Qing Jiang diversion tunnel of water power engineering, the bench cut method is applied and construction simulation is analysed.
清江水布垭导流洞具有复杂的工程环境,考虑工程各种不利因素确定采用台阶法施工,并对隧洞施工进行了数值模拟。
The necessity of carrying out numerical simulation by different stages and the corresponding method of it for high water cut period is put forward in this paper.
针对油田高含水期的特点,提出了划分阶段进行数值模拟的必要性和分阶段数值模拟方法。
The present article is to introduce the authors' improved indicator Kriging water environmental simulation model based on the traditional ordinary Kriging method.
以水环境模拟参数随机场中的离子质量浓度为例,介绍了指示克里格估值计算的理论方法及应用。
The method integrates GIS, RS with pollutant loading receptor response model for reservoir water, agricultural non point source pollution simulation model and linear programming model.
该方法运用遥感数据,并以地理信息系统软件为平台集成了水库营养盐负荷浓度响应关系模型、农业非点源污染模拟模型和线性规划模型。
The analytic method of dynamic simulation of combined operation of the surface and subsurface water and its application are presented in this paper.
本文阐述了地面水、地下水联合调度的动态模拟分析方法及其应用。
The result of simulation showed that the method of water assignment putting average speed as parameter can meet the demand of slab cooling in the process of unsteady state.
模拟的结果表明,非稳态过程采用平均拉速配水能满足铸坯的冷却要求。
The results showed: the simulation accuracy of the apple tree root water uptake model established by the second method is slightly higher than the model established by the first method.
结果表明:第二种方法建立的苹果树根系吸水模型的模拟精度略高于第一种方法。
The serviceability of water delivery network in each phase under earthquake is analyzed by simulation method and hydraulics theory.
对城市供水管网震后各阶段的服务功能可靠性进行了分析。
Through case study on water flow and soil simulation, it is proved that the method is prospect for broad practical use.
该文以水流与土壤模拟为例,论证该方法的应用前景。
This method is a simplified model for water quality prediction with simply computation and rapid speed, so it is an effective complement to the complex numerical simulation.
利用矩阵运算预测水质变化是一种简单的水质预测模型,计算简单、速度较快,是对复杂数值模拟方法的一种补充。
Based on the research of a new irrigation technique-sucking irrigation method, the numerical simulation is made for the water motion in soil layer under sucking irrigation condition.
通过对节水灌溉新技术——吸灌技术机理的研究,建立了吸灌条件下的土层土壤水分运动数学模型。
Unsaturated soil water diffusivity is a necessarily basal parameter to study soil water movement laws and quantificationally analyze soil water movement with method of mathematical simulation.
非饱和土壤水分扩散率是研究土壤水分运动规律必不可少的基本参数之一。
For this reason, the numerical simulation on the flow and heat transfer in engine water jacket becomes a principal method to optimum cooling system.
因此,内燃机水套冷却液流动数值模拟便逐渐成为目前研究内燃机水套冷却液流动、设计和优化水套结构的重要手段。
Solved the problem of high pressure water rotary seals with the method of pressure balance, conducted the seals simulation experiments successfully.
利用压力平衡的方法解决了高压动密封问题,成功进行了密封试验。
The method of simulation and analysis and the achievement in this paper provide a reference for adopting technical measure of building other water intake in the sea ice covered waters in the future.
本文的研究和分析方法及成果,为今后解决在结冰海域建设冰覆盖下取水工程技术措施提供借鉴。
In the research of water hydraulic technology, flow field simulation is done by the method of Fluid-Solid coupling, leading to the pressure nephogram and velocity vector of the pump model.
在水压技术理论研究方面,应用流固耦合理论对水压齿轮泵进行了二维流场的仿真分析,得出了其流场压力云图和速度矢量图。
In the Experiment of salt water simulation of smoke movement of building fires, there is not a simple and effective method of speed measurement yet.
在建筑火灾烟气运动的盐水模拟实验中,尚无简单易行的速度测量方法。
There exist many problems in this method. While water conservancy VR simulation technology which combines water conservancy and VR technology, compensates some deficiencies of traditional method.
而由水利工程和虚拟现实技术相结合产生的水利工程虚拟仿真技术,则很好的弥补了传统方法的一些不足。
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