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tuxiangshibieheceliangjishuyanjiu
- 针对压力锅炉机组主蒸汽管道碳钢部件金相组织石墨化程度的检测问题,选择 适合的算法,将数字图像处理和模式识别技术运用于金相组织测量之中,建立一套对 石墨化级别进行识别的图像检测系统。针对石墨化部分原始图片灰度区间窄的特 征,通过图像预处理使图像清晰,突出石墨组织,采用边缘检测方法,提取出要检 测的粗大呈黑色的石墨组织。最后采用最近领域法进行图像识别,判断碳钢石墨化 的程度。
User
- 流体在矩形管道内的温度场、速度场、压力场的数值计算。-Fluid in the rectangular tube of the temperature field, velocity field, pressure field of the numerical calculation.
bp
- 用于信号检测,主要对输油管道产生的压力信号和流量信号进行辨识,进而判断管道是否发生泄露。-For signal detection, the main pressure on the pipeline flow of signals and signal recognition, and thus to determine whether pipeline leak happened.
bas-1
- 这些程序均为单位上水电站压力管道计算程序!-These procedures are the units on station pressure pipeline program!
CG
- 这些程序均为单位上水电站压力管道计算程序!-These procedures are the units on station pressure pipeline program!
Word-VB
- 业余做的水利工程压力管道质检表自生成软件!-Amateur pressure pipe irrigation works done since the generation of software quality table!
ONB
- 用来计算管道流动沸腾中沸腾的起始点(ONB)。入口条件为流量,温度,压力,热流密度。输出沸腾发生的位置。-Used to calculate the pipe flow boiling in the starting point of boiling (ONB). Entry conditions for flow, temperature, pressure, heat flux. Output boiling place position.
piped
- 本程序是用来编程求输气管道管径的,它根据已有的计算公式和管输设计参数,可以求得规定流量和压力下的经济管径,为管道设计更加可靠、经济。-This procedure is used to program requirements diameter pipeline, which under the existing formula and pipeline design parameters, pressure and flow can be obtained under the provisio
decectSignalChange
- 模拟管道压力下降趋势并用小波检测之管道下降趋势是抛物线型的-detect the dec of pressure in pipe
volume-corrector
- 通过msp430F427的SD16模块测量气体的温度。压力信号 最终对管道天然气进行体积修正-The SD16 module by msp430F427 measure gas temperature. Signal the end of the pipeline gas pressure to volume correction
p-c
- 专业计算管道压力,如水泵管道、锅炉给水等;在能源火电行业有广泛应用价值-piping calculation
F
- 关于管道流动及充填问题中,为求解时间、压力等的常微分方程组的求解。-About the pipeline flow and filling problems, in order to solve the time, pressure, etc. for solving ordinary differential equations.
Hammer
- 本程序利用特征线法计算管道水击的压力和流量-The program uses the method of characteristics to calculate the value of the pipeline water hammer pressure and flow values.
huosaishiyasuojijijianyalimaidong
- 活塞式压缩机级间管道压力脉动matlab小程序-a matlab program to calculate the pressure pulsation of piston compressor interstage pipe
yasuojipaiqiguandaoyalimaidong
- 活塞式压缩机排气管道压力脉动计算matlab程序-Matlab program to calculate the pressure pulsation of piston compressor outlet pipe
TC-final
- 模拟计算管道停输后工况变化的程序,包括热力和水力计算,得到管中流体温度和压力以及环境参数变化-A code to simulate the pressure and temperature in a pipe after a time of shut down of a oil pipeline, as well as the changing of environment.
water_hammer
- 用计算机计算管道水锤的特征线法,编制了一个简单管道的水锤压力计算程序(A method for calculating the water hammer pressure of a simple pipeline has been worked out by using computer to calculate the characteristic curve of water hammer in pipeline)
two dimensional convection diffusion equation
- 包含求解二维对流/扩散方程的标量(给定的标量输运) 速度场,稳态和非稳态)采用有限体积法和直角坐标网格,求解Navier Stokes方程的定常和非定常采用笛卡尔网格和同位配置变量。它还包含生成笛卡尔网格(单个或多重网格)的代码,以及绘制计算结果的代码。后者的代码产生的每一个情节页后记文件:网格、速度矢量图、剖面的速度或温度,等压线,等温线和流线和压力填充图、温度或流线。更改此目录并读取本地“自述文件”文件,以获得该目录中文件的进一步信息。子目录管包含为管道流设置的代码的版本,包括入口和出口边
1
- 针对矿浆管道工况调整给泄漏检测带来的干扰,准确提取泄漏信号的特征量是降低泄漏误报、漏报的关键。为此,提出了一种基于经验模态分解(EMD)、Hilbert能量谱与变量预测模型(VPMCD)相结合的泄漏检测方法。该方法首先将压力信号分解成若干个固有模态函数(IMF)之和,然后将IMF分量进行Hilbert变换得到局部Hilbert能量谱,依据能量分布的标准差选择最能准确反映矿浆管道运行工况的局部能量谱作为特征值向量,最后通过VPMCD分类器建立泄漏识别模型。将该方法应用于泄漏检测中,实验结果表明,矿
管道流瞬变分析编程
- 当管道终点处突然关阀,管道上游时大罐,此时计算关阀时管道各处不同时间点瞬时压力(Calculating the Pressure of Pipeline at Closing Valve)