模拟试验

In this thesis,the grain structure formation in solidification of Al-4wt%Cu alloy and superalloy K4169 castings has been simulated by computer.

而近年来逐步兴起的计算机模拟方法能弥补试验方法的不足，越来越受到人们的重视。

Results showed that fat simulants n-hexane and isooctane can be used as a rapid compliance test.

结果表明：用正己烷和异辛烷作为脂肪食品模拟物时，可以大大缩短迁移试验时间。

Ccording to the needs of structure vibration monitoring and active control technique, a research on fiber optic smart structure vibration shape perception and SMA actuating control was conducted by using space sailboard structure as an experimental model.

bstract 以模拟太空帆板结构为试验模型，针对振动状态监测与主动控制技术需求，着重进行柔性光纤机敏结构振动形态感知及其形状记忆合金致动控制研究。

In order to optimize the engine, working principle of the single-cylinder liquefied petroleum gas engine based on the ZS1100 diesel engine was studied. The power performance and working process of the LPG engine was investigates by the testing and simulation computation.

为了弄清以ZS1100柴油机为基础开发的单缸液化石油气发动机的工作原理，以利于进一步改进，以试验和模拟计算结合的方法，研究了该机的动力性能和工作过程。

It introduces the target and aim of prestressing test,elaborates prestressing crafts of large bridge building machine,brings forward how to simulate prestressing pile on large bridge building machine in big bulk,so as to ensure the safety of construction and feasibility of the plan under inspection state.

介绍了预压试验的对象及其目的，简要叙述了造桥机在施工中的预压工艺，提出了如何在造桥机上进行大吨位预应力箱梁模拟预压的方法，从而保证检验施工状态下造桥机的施工安全及方案的可行性。

Grinding experiments are conducted on bearing raceways to confirm the simulation results.

我们还进一步通过对轴承滚道进行试验磨削来验证模拟结果。

Experimental investigations on the combustion process of a liquid hydrocarbon fuel ed scramjet, ignited by hydrogen pilot flame, and with four different inlets, were conducted in free-jet tests, which simulated the fly conditions of Ma=6 and H=25km.

在模拟飞行马赫数Ma=6，高度25km条件的液体碳氢燃料超燃冲压发动机自由射流试验中，对比研究了4种不同进气道，不同燃烧室入口条件下模型发动机的点火与燃烧性能。

Experimental investigations on the combustion process of a liquid hydrocarbon fueled scramjet, ignited by hydrogen pilot flame, and with four different inlets, were conducted in free-jet tests, which simulated the fly conditions of Ma=6 and H=25km.

在模拟飞行马赫数Ma=6，高度25km条件的液体碳氢燃料超燃冲压发动机自由射流试验中，对比研究了4种不同进气道，不同燃烧室入口条件下模型发动机的点火与燃烧性能。

The heat conduction model of the PE fuel with the surface melting and pyrolyzing is developed for the H2O2-PE hybrid rocket motor. Combining with the energy fluxes balance above fuel surface, the simulation and calculation of transient heat conduction of the PE fuel with liquid layer while melting and pyrolyzing are considered by use of the moving coordinates.

建立了PE燃料的熔化、热解、导热模型，应用动坐标系，结合燃料表面热环境，对具有液体层的PE燃料的熔化、热解和内部瞬态导热过程进行了模拟计算，计算的PE燃料退移速率与国外同类试验的测量结果符合较好。

Under the simulated working conditions of thermal recovery wells, the heat insulated tubing has poor gas tightness leading to serious leakage.

通过全尺寸试验，研究了我国稠油热采油田注蒸汽用隔热管的气密封性能，这种隔热管在模拟热采井工况条件下气密封性能很差，存在着严重的泄漏现象。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了