A special treatment is made in outlet boundary in which the subsonic and supersonic flow exist commonly. Block-Line-Gauss-Siedel method is used to solve THD differencing equations.
对离散方程采用线超松驰方法迭代求解,在亚音速与超音速气流共同存在的出口边界分情况进行了处理。
This method is of great importance to realize on-line modeling and control of freeway traffic flow.
此方法对实现高速公路交通流的在线建模与控制具有重要意义。
This paper studies the simulation method of tie line power flow control among areas of an interconnected network in load flow calculation.
本文对潮流计算中互联电网各区域间的联络线功率控制的模拟计算方法进行了研究。
Then comes the introduction of the relative theories on the embedded mobile database (EMDB) and power line patrolling flow and the defect disposal method in detail.
对于和嵌入式移动数据库相关的理论和技术、线路巡视流程和缺陷处理方法,都用模型和流程图作了较为重点的叙述。
This paper deals with the system design method of assembly flow line, including determination of the work element time and the balancing problem of the assembly line and buffer storage capacity, etc.
本文论述了流水装配生产线系统设计中装配要素作业时间的决定方法以及生产线的平衡和缓冲库等问题的系统设计方法。
A new method for the determination of micro amount of gold in lead oxide by flow injection on line separation and preconcentration graphite furnace atomic absorption spectrometry is desciribed.
采用流动注射在线分离富集-石墨炉原子吸收光谱法测定了氧化铅中痕量金。 使用本文研究的取样杯,实现了流动注射装置与石墨炉原子吸收联机测定。
The deforming force of cone-die direct extrusion is solved by a mathematic method based on the simplified flow model of slip line field.
基于滑移线场的简化流动模型,运用数学方法求解出了一种锥形模正挤压变形力的最佳上限解,并将该上限解用通用解析式表达出来。
A new method and its theory used for on-line measurement of surface total heat flow of heat equipment are presented in this paper.
本文提出一种在线测量热设备表面全热流的新方法相该方法的理论。
By using the combined implicit characteristic line method, the calculation of the transient surge pressure in the flow conduit of a drilling well has been resolved in this paper.
本文用混合隐式特征线法求解了井内流道中的瞬态波动压力问题,给出了弹性管和可压缩流体在井内各流道组合的压力波波动方程和定解条件。
A simple and rapid on-line flow injection precipitation-flame atomic absorption spectrometric method for the determination of diphenhydramine hydrochloride in drug formulations is established.
本文建立了一种简单快速的检测药剂中盐酸苯海拉明含量的停流流动注射在线沉淀间接原子吸收法。
Additional flow rate (AFR) method can overcome this problem beautifully by inject a kind of light and thin fluid into choke line to drop its pressure loss.
附加流速法通过向节流管线内注入轻质的附加流体降低了节流管线的压降,可以很好的解决上述的压井难题。
Compensation method has been successfully applied to PQ decoupled power flow solution dealing with line outage problem.
利用补偿算法处理PQ解耦潮流中的线路开断问题,获得了很大成功。
This method not only can analyse real line power flow control and reactive line power flow control separately, but also can analyse them simultaneously.
实例分析表明,本文方法为分析各种潮流控制方式的作用提供了有效的工具。
Aggregated allocation approach is adopted to determine the power flow in the congested line caused by each transaction, which makes the proposed method suitable for accouting in day-ahead market.
文中采用针对交易功率总量计算的增量法确定交易在线路中的潮流份额,适用于日前市场的阻塞费用结算。
Research results show that the new method has good identification precision, fast identification speed, it is an effective tool for two-phase flow pattern on-line identification.
研究结果表明,该方法辨识精度高、辨识速度快,是两相流流型在线辨识的一种有效手段。
A new method using virtual trap line is proposed for traffic flow detection.
提出一种基于彩色虚拟检测线的交通流信息视频检测方法。
Introduced the LFNH-DW2001 ammonia nitrogen on-line monitor meter the principle of work, the work flow and the routine maintenance and the common breakdown remove the method.
介绍LFNH - DW 2001型氨氮在线监测仪的工作原理、工作流程及日常维护和常见故障的排除方法。
This paper explains the prestressing expansion technique, in site producing flow line, hanging construction technique and water proof treatment method.
文章叙述了该构件的预应力张拉技术、现场生产流水线、吊装施工技术及防水处理方法。
The technological flow and operation method of the on-line circular pickling and oil washing of the hydraulic pipeline of BF are discussed.
论述了高炉液压管线在线循环酸洗、油冲洗的工艺流程和施工方法。
An on line extraction flow injection method was developed for the determination of trace lead in nickel sulfate electrolyte using flame atomic absorption spectrometer as the detector.
本文采用流动注射在线萃取火焰原子吸收光谱法测定硫酸镍电解液中微量铅。
The direct current method is a simple and convenient method for calculating power system load flow which is applicable for on line control and calculation by computer.
网流直流法是适用于计算机在线控制和计算的一种简便潮流计算法。
This paper discusses the IC data of one bus line and puts forward the analysis method of IC data. Then the formulas of calculate station passenger flow, l…
以单条公交线路的IC卡信息为例,提出单条公交线路运营及客流信息的分析处理方法,得到包括站点客流、线路客流、断面客流等主要客流指标的分析计算方法。
In addition, the obtained expected loads with different confidence provide load data for matching power flow method, on the basis of further modifying the load the theoretical line loss is calculated.
根据不同置信度的期望负荷为配电网匹配潮流提供负荷数据,在进一步利用冗余信息修正负荷的基础上,得到了理论线损计算结果。
The invention relates to a method and a device for measuring the temperature of an exhaust gas flow in an exhaust line of an internal combustion engine.
本发明涉及一种用于测量内燃机的排气段中废气流温度的方法及装置。
A new method about the standard throttling set on-line iterative measurement is proposed, that is based on flow measurement using the traditional standard throttling set.
在研究传统的标准节流装置测量流量方法的基础上,提出标准节流装置在线迭代测量新方法。
The transmission line fault has effect on transmission capacity limitation and capacity credit of wind farms under conditions of the usage of traditional power flow calculation method.
详细分析了传统潮流算法下输电线路故障对线路传输容量越限以及风电场容量可信度的影响。
A new method for determining trace-level copper ion was proposed based on flow-injection on-line preconcentration and microwave plasma torch atomic emission spectrometry.
基于流动注射-在线柱预浓集-微波等离子体炬原子发射光谱,对在线浓集测定流路和各种测试条件进行优选,建立了一种测定痕量铜的新方法。
To reduce the calculation amount of power flow in large-scale distribution networks, a simplified calculation method for voltage drop and line losses are researched.
为了减少大规模配电网潮流分析的计算量,探讨了电压降和线损的简化计算方法。
For the multiphase flow measuring system on-line based on three dimension finite element method (3d FEM), the capacitance-based multiphase flow which is connected to the oil pipeline is a column.
基于三维有限元法的在线多相流测量系统,所接入输油管道的电容式多相流为圆柱形。
For the multiphase flow measuring system on-line based on three dimension finite element method (3d FEM), the capacitance-based multiphase flow which is connected to the oil pipeline is a column.
基于三维有限元法的在线多相流测量系统,所接入输油管道的电容式多相流为圆柱形。
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