• 模拟矿井提升工况下,实验测量闸瓦动摩擦系数

    Experimental testing is used to measure the dynamic frictional coefficient of the brake-tile on the working condition of simulated promotion.

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  • 为了研究弹性量对边坡安全系数滑动面的影响建立土坡数值模型不同工况下(无锚和有锚),分别改变弹性模量,分析它与安全系数和滑动面的关系。

    In order to study the effect of elastic modulus e, to the safety factor and slip plane of slope, a numerical model is founded in plane strain mode for homogeneous soil slope.

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  • 分析系统不同工况运行原理前提下,建立系统性能系数数学模型

    The mathematics model of coefficient of performance for SWHP-RFH is presented after analyzing the operation principle in different conditions.

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  • 通过大量冷态试验范围变化工况、变化喉部面积变化条件下,利用对低温流量控制系统进行研究,得到了流量系数压力恢复系数变化规律

    And water is used in cold test. Through changing operating conditions, throat area and back pressure, the change rule of discharge coefficient and pressure recovery factor were found.

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  • 实验中主要通过调整一次空气系数引射器喷口大小达到稳定燃烧运行工况

    In experiment, steady operating point of combustion can be obtained mainly by setting primary air factor and the size of spout.

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  • 本文分析传统采用制冷系数EER作为节能指标准确性,提出采用(?)效率作为衡量制冷装置在不同工况运行的节能指标。

    This paper shows that the energy efficient ratio(EER)is not suited to be the index of refrigeration conditions and adopts the energetic efficiency as the index of energy conservation.

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  • 结果表明:所有工况条件下,加襟翼能够增加升力系数

    The lift and drag coefficients were determined from the surface pressure distributions, which were measured under all tested conditions.

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  • 通过理论推导,研究水轮机综合特性系数调压稳定断面影响,即水轮机运行中不同工况点效率的相对变化对调压室稳定断面的影响。

    The effect of turbine characteristic on stable sectional area of surge tank can be expressed by the synthetic characteristic coefficient of turbine, it shows the effect of turbine efficiency.

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  • 在试验室模拟路基现场工况,建立平板载荷试验模型进行地基系数载荷尺寸相关性试验与理论公式进行了对比。

    The experiment on the correlation between coefficient of foundation and size of loading plate is performed on experimental model of planar load test in lab, which can model field situation of roadbed.

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  • 工况疲劳载荷,采用系数方法,合成获得工况下的二维载荷联合概率密度函数

    Two dimensional fatigue loading under various working conditions is synthesized with weight coefficient method to obtain joint probability density function under multiple working conditions.

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  • 针对汽车空调压缩机特点,在实验基础,分析转速工况压缩机输气系数影响

    In this paper, the influences of compressor speed and work condition on compressor volumetric efficiency were analyzed based on experiment under automotive air-conditioning conditions.

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  • 潜在危险边坡利用刚体极限平衡求出了不同工况下的安全系数

    The safety factor of some dangerous slopes are calculated by rigid limiting equilibrium method for coMParison.

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  • 机组工况运行特别是这些系数将经历大范围的变化。因此转子应力在线监控系统必须适应这种情况。

    During the unit's non stationary operations, especially startup and shutdown, those coefficients vary considerably, which the thermal stress on line monitoring system should take into consideration.

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  • 分析工况湿工况传热系数实验公式的表达形式。

    Analyses the experimental formula of total heat transfer coefficient of fully wetted and completely dry cooling conditions.

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  • 研究结果表明间歇运行工况,供热性能系数COP平均值4

    The result shows: under the intermittent operation mode, the average value of COP is 4.

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  • 模型系数运行工况有关,根据当前汽包压力锅炉物理结构数据水蒸汽性质得到。

    The parameters of the model can be obtained from the pressure in the drum, the physical dimensions and characteristics of the boiler and the steam and water parameters table.

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  • 脉冲燃烧器最佳运行工况应能顺利点火过剩空气系数强度稳定燃烧

    The optimum operation of pulse combustor means successful ignition and stable combustion with high intensity, low excess air and low co emission.

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  • 模拟计算了各种工况下的发动机性能怠速工况降低了残余废气系数提高了进气流速,稳定性得到改善;

    We simulate engine performance in various operating conditions:in idle condition, it reduces the residual gas coefficient and increases airflow velocity, so that idle stability is improved.

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  • 根据机动车行驶工况污染物排放系数测定,定量计算了近年来上海市机动车实际行驶工况下的污染物排放量。

    On the basis of measuring and testing on vehicle driving pattern and emission factor, pollution load from motor vehicle in Shanghai proper has been calculated.

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  • 控制薄壁容器不同工况最小初始可靠度角度,对试验压力系数进行了探索。

    An approach was made of the test pressure coefficient based on the requirement of controlling the minimal virgin reliability of the thin wall internal pressure...

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  • 给水管网平差计算、工况分析实测管道阻力系数

    When analyzing the water network performance, it is necessary to test the resistance coefficient of water pipe.

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  • 标准弹簧的弹性系数X介于1.21.4之间其他参数根据要求工况灵活定义

    Standard gas spring constant between X between 1.2 and 1.4, other parameters can be flexible according to the definition of requirements and conditions.

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  • 暴雨工况下,滑坡h3稳定性系数小于1.05,处于稳定状态滑坡h 4处于基本稳定状态,而滑坡h5仍然处于稳定状态。

    Under rainstorm state, stability coefficient of landslide H3 is slightly less than 1.05 and therefore it is under metastable state. In addition, landslides H4 and H5 are under stable state.

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  • 聚类分析结果根据相关系数理论一类片段提取代表性片段构建典型行驶工况

    Based on the results of cluster analysis and the correlation coefficient theory, some representive microtrips were extracted from each type of microtrips to construct a typical driving cycle.

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  • 仿真模型额定工况起升下钻过程进行了仿真运算,得到了游动系统中绳、井架上的最大载荷动载系数

    By analyzing the hoisting and feeding-off models under the rated load, the maximum dynamic loads and dynamic coefficients of fast line, dead line, every travelling line and derrick were obtained.

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  • 获得典型工况,系统制氢效率几个参数相对线性敏感性系数

    At a typical case, the relative linear sensitivity coefficients of H_2 production efficiency to these operating parameters were calculated.

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  • 设定实验工况下,压缩机制冷系数实测值仅为2.14,与单相流体排热系统相比辐射面积减少22.8%,系统重量增加了7.5%。

    The measured results indicate that the compressor COP is 2.14, which results in a 22.8% reduction of the radiator area, and an 7.5% increase system weight compared the single-phase fluid system.

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  • 设定实验工况下,压缩机制冷系数实测值仅为2.14,与单相流体排热系统相比辐射面积减少22.8%,系统重量增加了7.5%。

    The measured results indicate that the compressor COP is 2.14, which results in a 22.8% reduction of the radiator area, and an 7.5% increase system weight compared the single-phase fluid system.

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