模拟装置

In this paper,a LEMP simulating device composed of surge generator and a set of parallel plate transverse electromagnetic cell is presented.

提出了一种由冲击波发生器和平行板横电磁室组成的雷电电磁脉冲模拟装置，实现对远场 LEMP的模拟，并用试验验证了该装置的可行性。

Studied present measuring methods" advantages and disadvantages, and presented the necessity and importance of researching propellant transient heat transfer.2.according to 130 and aeronautic 90 rocket projectiles" structure, analysed and acquired physical and mathematical models for propellant transient heat transfer, also designed propellant temperature field simulation units for test.3.acquired discrete transient heat balance equation and temperature calculation program, and gave contrasting curves between experimental temperature values and program calculating temperature values as well as maximum errors and average square root errors between them.4.by programs based on the first class boundary condition, worked out temperature distribution in propellant temperature field simulation units at different time, analysed temperature field distribution law and main elements affecting heat transfer, acquired propellant mass weighted average temperature and one at the half position of propellant maximum thickness as well as maximum errors and average square root errors between them.5.established transient heat transfer mathematical model and temperature calculation program for the third class boundary condition, drew contrasting curves between temperature experimental values and calculation values and gave maximum errors and average square root errors between them, got temperature distribution in the simulation unit at different time and main elements affecting heat conduction, figured out propellant mass weighted average temperature and one at the half position of propellant maximum thickness as well as maximum errors and average square root errors between them.

分析了现有测试方法的优缺点，提出了研究推进剂瞬态导热的必要性和重要性。 2。根据130和航90两种火箭弹的结构，分析得到了推进剂传热的物理模型和数学模型，设计了推进剂温度场模拟实验装置。 3。得到了离散形式的瞬态热平衡方程和温度场计算程序，给出了实验温度与程序计算温度值的对比曲线及其最大偏差与均方差。 4。利用程序求出了第一类边界条件下、不同时刻推进剂温度场模拟装置中的温度分布，分析了温度场的分布规律和影响传热的主要因素，求出了推进剂质量加权平均温度和最大肉厚1／2处的温度时间曲线并给出了两者之间的最大偏差与均方差。 5。建立了第三类边界条件下的瞬态导热数学模型和温度计算程序，求出了温度实测值与计算值的对比曲线并给出了两者之间的最大偏差与均方差，得到了不同时刻温度场模拟装置的温度分布与影响导热的主要因素，求出了推进剂质量加权平均温度和最大肉厚1／2处温度及两者之间的最大偏差与均方差，讨论并确定了能代表130和航90推进剂温度的特征点的位置。

Events that cannot be staged because of their danger, cost, or inaccessibility are everyday computer simulator subjects.

由于危险性大，成本高，或者因不可接近性不能实物演示的事情都是计算机模拟装置的日常模拟对象。

Through the simulation of engine misfire by the misfire malfunction simulation device, the fluctuation of crankshaft instantaneous speed was analyzed.

通过失火故障模拟装置模拟发动机失火，分析了发动机曲轴转速的波动情况。

The simulator equipment can monitor various embankments with different boundary conditions,such as temperature,distributions of soakage line and scales.

堤坝渗流模拟装置可实现不同水温、不同浸润线、不同规格堤坝和堤坝渗流程度的重复模拟，给出了一种野外专用的传感光缆实验结果。

A simulated burnt piece of coal or wood, usually a plastic casing having a wood-like or coal-like coating, with a light source mounted therein, and a strip of cloth having a shape of fire flames billowed above the simulated burning medium by blowing wind. A vision of jiggling fire flame may be viewed through a partially translucent screen made of plastic.

现有的电壁炉火焰模拟装置中，一类装置为模拟煤炭或树枝状碳块的燃烧介质，通常这些燃烧介质由表面涂有树枝状木材颜色的塑料壳体替代，里面装有一组灯泡光源，来模拟燃烧树枝状木材时的效果，再用一组火焰形状的丝绸布料飘带悬挂在燃烧介质上方，通过空气的吹动来带动飘带飘动时的投影效果，通过半透明的塑料屏幕与镜面玻璃，可以看到火焰闪动的视觉景象。

In addition, as an application of the modeling method for gas-solid two-phase flow, the mechanism of bag failure in a defective baghouse dust collector is numerically analyzed, and optimization study is further performed.

为了实验研究的需要，发明了一种新型气液固多相流实验模拟装置，实现了液体和固体颗粒的在线混合和分相输送计量，同&先离线混合，后混相输送计量&的传统方法相比，具有模拟精度高、调节方便、建造费用低和结构紧凑等优点。

In this paper,the equation of angular speed and centrifugal acceleration on a part in the fuze is derived according to the movement of circumrotatory ammunition at exterior trajectory.

根据旋转弹丸在外弹道上的运动，推导出了引信零件在弹道上的运动角速度和离心加速度表达式，通过计算和模拟仿真得到了脉动的离心加速度曲线，在引信动态模拟装置上进行模拟测试，验证了理论分析的正确性，提出了通过直接计弹丸转数实现引信定距功能的方法。

In view of the ignition systems used on most vehicles, a new kind of misfire simulation method was proposed and a set of electronic controllably misfire simulation device which is convenient, practical and reliable was designed.

针对大多数车辆上使用的点火系统，提出了一种新型失火故障模拟方式，并设计出了一套方便、实用和可靠的电子可控失火故障模拟装置。

From the result of the test, we can conclude that this method is well working and it can mitigate the metros stray current produced by the lab simulation set.

从测试结果来看，本方案是可行的，采用本方案设计的补偿电源装置能够有效减小实验室地铁模拟装置中杂散电流。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。