在模拟矿井提升的工况下,实验测量闸瓦的动摩擦系数。
Experimental testing is used to measure the dynamic frictional coefficient of the brake-tile on the working condition of simulated promotion.
为了研究弹性模量对边坡安全系数和滑动面的影响,建立均质土坡数值模型,在不同工况下(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.
分析该系统在不同工况运行原理的前提下,建立系统性能系数的数学模型。
The mathematics model of coefficient of performance for SWHP-RFH is presented after analyzing the operation principle in different conditions.
通过大量冷态试验,在大范围变化工况、变化喉部面积及变化背压条件下,利用水对低温流量控制系统进行研究,得到了流量系数、压力恢复系数的变化规律。
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.
在实验中,主要通过调整一次空气系数和引射器喷口的大小,达到稳定燃烧的运行工况。
In experiment, steady operating point of combustion can be obtained mainly by setting primary air factor and the size of spout.
本文分析传统采用制冷系数(EER)作为节能指标的不准确性,提出采用(?)效率作为衡量制冷装置在不同工况下运行的节能指标。
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.
结果表明:所有工况条件下,加襟翼都能够增加升力系数。
The lift and drag coefficients were determined from the surface pressure distributions, which were measured under all tested conditions.
通过理论推导,研究了水轮机综合特性系数对调压室稳定断面的影响,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.
在试验室模拟路基现场的工况,建立平板载荷试验模型,进行了地基系数与载荷板尺寸的相关性试验,并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.
对各工况下的二维疲劳载荷,采用权系数的方法,合成并获得了多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.
针对汽车空调压缩机的特点,在实验的基础上,分析了转速及工况对压缩机输气系数的影响;
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.
对潜在危险边坡利用刚体极限平衡法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.
在机组的变工况运行,特别是在启停中这些系数将经历大范围的变化。因此转子热应力的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.
分析了干工况和湿工况的总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.
研究结果表明,在间歇运行工况下,供热性能系数COP平均值为4。
The result shows: under the intermittent operation mode, the average value of COP is 4.
模型中各系数与运行工况有关,可根据当前的汽包压力、锅炉物理结构数据及水蒸汽性质得到。
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.
脉冲燃烧器的最佳运行工况应能顺利点火并在低过剩空气系数下高强度稳定燃烧。
The optimum operation of pulse combustor means successful ignition and stable combustion with high intensity, low excess air and low co emission.
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.
根据机动车行驶工况和污染物排放系数测定,定量计算了近年来上海市机动车在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.
从控制薄壁内压容器在不同工况下最小初始可靠度的角度,对其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...
在给水管网平差计算、工况分析时要实测管道的阻力系数。
When analyzing the water network performance, it is necessary to test the resistance coefficient of water pipe.
标准气弹簧的弹性系数X介于1.2和1.4之间,其他参数可根据要求及工况灵活定义。
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.
在暴雨工况下,滑坡h3的稳定性系数略小于1.05,处于欠稳定状态,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.
由聚类分析的结果,根据相关系数理论从每一类片段中提取代表性片段来构建典型行驶工况。
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.
对仿真模型在额定工况时的起升、下钻过程进行了仿真运算,得到了游动系统中快绳、死绳、各游绳及井架上的最大动载荷和动载系数。
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.
获得典型工况下,系统制氢效率对这几个参数的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.
在设定实验工况下,压缩机制冷系数的实测值仅为2.14,与单相流体排热系统相比,辐射器面积减少22.8%,系统重量则增加了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.
在设定实验工况下,压缩机制冷系数的实测值仅为2.14,与单相流体排热系统相比,辐射器面积减少22.8%,系统重量则增加了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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