模拟试验

After that, two tests were carried on to evaluate the performance of GPS absolute velocity determination in the case of a static and an airborne GPS receiver and INS device kinematic case.

然后用静态数据模拟动态测速试验和实测动态数据测速与同步高精度惯导测速的动态试验进行验证。

Two-equation turbulence model is used in numerical simulation for the side-air burner, compared with the practical measures and tests, good accordance achives. This method can bring great convenience in analyzing aerodynamical field of boiler. Secondly the method of XRD is used in analyzing the phase transformation in the course of dynamic slagging test, so we can describe the process of slagging comparatively accurately. Last this paper introduces a kind of fuzzy mathematics model which comprises an assemblage combined by seven change factor.

本文首先采用k—ε双方程模型对水煤浆侧边风燃烧器进行了数值模拟，并与实际锅炉燃烧器冷态调试试验结果对比，结果吻合较好，这为我们分析炉内空气动力场特性提供了参考；其次对锅炉结渣动态特性试验，采用XRD的分析方法，较为准确的描述了实际锅炉结渣的过程；最后为了准确的判断出水煤浆的结渣倾向，本文对锅炉结渣的七个影响因素提出了模糊综合判断模型，正确的反映出了该水煤浆的结渣倾向。

Firstly the k-e two-equation turbulence model is used in numerical simulation of the flow field ,compared with the practical measures and tests, good accordance achives. This method can bring great convenience in analyzing aerodynamical field of boiler. Secondly the method of ash-composition, ash-melting-point, XRD is used in analyzing the phase transformation in the course of dynamic slagging test, so we can describe the process of slagging comparatively accurately. Last this paper introduces a kind of fuzzy mathematics model which comprises an assemblage combined by seven change factor.

接着采用标准k—ε双方程模型对炉内冷态空气动力场进行了数值模拟，并与实际锅炉燃烧器冷态调试试验结果对比，结果吻合较好，这为我们分析炉内流场提供了参考；其次对锅炉静态、动态特性试验，采用灰成分分析、灰熔点测试及X光衍射物相分析方法，较为准确的描述了实际锅炉结渣过程；为了准确的判断出水煤浆的结渣倾向，本文对锅炉结渣的七个影响因素提出了模糊综合判断模型，正确的反映出了该水煤浆的结渣倾向。

Finally, the simulative experiment of locale was done to test the wastewater treatment system. The test data showed that the bactericidal rate could reach over 99.95% to the wastewater including of B.cereus whose concentration is 100cfu/ml. Besides, the appurtenant equipment and control unit work well, and its continuity, repeated capability and dependability was all right.

最后，对设计的废水处理系统进行了现场模拟运行试验，试验结果表明：系统对蜡样芽孢含量100cfu/ml废水的灭菌率可达99.95%以上，且配套设备和控制系统的操作运行连续性好、重复性稳定、可靠性强。

To obtain both construction security and the feasibility in tunnel engineering, and to understand the contact mechanism in these complex cutting cases, this numerical approach simplifies normal wedge cutter indented into intact rock for simulating the process of fragmentation using a two-dimensional tool of distinct element method, so-named PFC2D.

故本研究以分离元素法之二维数值软体PFC2D为本；进行模拟楔形刃口正向贯入岩材之接触破坏行为，以数值耦合（PFC2D＆FLAC）之方式，先就单压及巴西试验作校验，再应用於贯切破坏之模拟，并比对贯切行为之理论模式与相关实验数据，俾能提供隧道工程与地下管道机械开挖之安全性与施工效率探讨之佐证。

The simulation system used the serial-communication of industrial-control machine and converter for the remote control of the trial process, real-time control of the opening angle and running speed of the gate, and, moreover, adopts adjusting instantaneous water quantity in and out of the model to achieve a more accurate simulation of tidal waves.

该模拟系统利用工控机与变频器间串口通讯，对试验过程远程控制，实时控制尾门的开启角度及运转速度，调节模型瞬时进出水量，达到准确模拟潮汐波的目的。

The convection-dispersion equation with the retardation coefficient yield by method has been adopted to model NH4--N transport in saturated soil, simulation results are compared well with experimental results.

基于批平衡得到NH_4~+—N的吸附延迟系数，利用对流一弥散方程模拟NH_4~+—N在饱和土壤中的迁移过程，模拟结果与试验结果吻合较好。

After reviewing the related research work carried out by earlier researchers, a 1-D unsteady flow and sediment model is used as a tool to study the influence of time distortion upon physical models. It is aimed to get a fullscale and quantitative insight into this problem, especially the dynamic processes of flow and sediment transport.

本文回顾了前人对物理模型时间变态问题的研究，在此基础上，以一维不恒定流泥沙数学模型为工具，对实体模型试验中时间变态带来的影响进行了数值模拟，力图对时间变态带来的模拟结果的偏差有个全面和定量的认识。

The numerical results show that the simulation accuracy and efficiency are raised effectively by removing oversampling both in space and time domain.

一系列数值试验表明，该方法能够在保证模拟精度的同时，通过有效降低空间与时间维度上的过采样来显著提高弹性波模拟的效率。

Msueum . The Centre also houses a Flight Cent re with exhibits, flight simulating computers, a Beech 18 cockpit, simulated flights in a Beaver, a Link Trainer, and a pilot aptitude test.

该中心还设有一个飞行美分，重新与展品，飞行模拟电脑，榉树18驾驶舱，模拟飞行，在一个河狸，连结教练机，以及一项试验能力倾向测试。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。