The instruments used ATmega16L onboard A / D converter channels to achieve the cold wind pressure, the hot blast pressure, the furnace top pressure and cold wind current capacity four way analog acquisition;used PWM waveform produced by ATmega16L internal timing / Counter to achieve the entire differential pressure ,the cold wind flow and the permeability index three-way analog output for recording instruments; realized the cold wind pressure, the hot blast pressure, the furnace top pressure, the cold wind current capacity and the entire differential pressure five group parameter tour demonstration and the fixed-point demonstration by key-elect key's coordination during demonstration blast furnace permeable index; produced acousto-optics alarm when the permeable index across the upper and lower limits;used RS-485 realizing the communication with the superior computer.

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機(jī)號(hào)：2#-8#風(fēng)力：200-25000m3/h全壓：54-1200Pa特征：彩用鼓型風(fēng)筒a级线手机免费观看、錐型輪轂葉輪，風(fēng)壓高欧美性爱A√视频在线、風(fēng)力大中文在线播放、噪聲低、耗電省五级全黄的视频在线观看、構(gòu)架拮據(jù)等優(yōu)勢(shì)白丝袜91在视频，臥式、立式裝置都可以激情图区亚洲，最適用在直通道和加壓送排風(fēng)欧美国产视频，材料使用玻璃鋼作成防止腐敗型，可用于輸送含著侵蝕性的氣體玖玖爱视频在线。

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全自行感覺風(fēng)淋長廊風(fēng)淋路線或者叫風(fēng)淋長廊：使用風(fēng)淋機(jī)達(dá)到和實(shí)現(xiàn)風(fēng)淋過濾的作用1024精品久久久久久久久，重要運(yùn)用于吹除步入詰白工間的人殴美性久久久，體和隨帶物件外面黏著的塵士、病菌帶入工間欧美操爱视频，同時(shí)同樣起著氣伐的作用以及影晌久久久久久精品免费免费69九九，能夠詛檔沒經(jīng)過濾的空氣air步入詰白地域日韩一级黄色无码视频。

Firstly, utilize the historical weather map, adopt the gradient wind formula to calculate the wind field of this area, and correct the wind velocity and wind direction according to four common methods of wind-waves prediction and wave factors of engineering design, the Code of Hydrology for Sea Harbor included, considering the water temperature difference, ground friction resistance, crooked degree in isobar, combined by the influence of the maximum velocity from the near station.

首先利用歷史天氣圖，采用梯度風(fēng)公式計(jì)算該區(qū)域的風(fēng)場操,com，并按照4種風(fēng)浪預(yù)報(bào)和工程設(shè)計(jì)波要素常用的方法九集黄片视频，根據(jù)水氣溫差、地面摩阻和等壓線的彎曲程度等多種因素結(jié)合測站的實(shí)測最大風(fēng)速的影響進(jìn)行必要的風(fēng)速和風(fēng)向修正99久久这里只有精品。

The authors discuss a new numerical simulation method of the downburst wind loads on the basis of the previous research. Firstly, the wind speed is expressed as the sum of an instantaneous mean wind speed and an amplitude-modulating non-stationary fluctuating wind speed. Secondly, a new method based on the modified Osegguera and Bowles/Vicroy model to simulate the mean wind is presented and the fluctuating wind is simulated by a modified spectral representation method.

在將下?lián)舯┝黠L(fēng)速表達(dá)為時(shí)變的平均風(fēng)速和調(diào)制的非平穩(wěn)脈動(dòng)風(fēng)速之和的前提下欧洲欧洲成人片在线观看，本文采用基于改進(jìn)的OBV模型Oseguera and Bowles/Vi-croy(OBV的方法來模擬平均風(fēng)速人人射，其平均風(fēng)速直接由改進(jìn)的OBV模型表達(dá)欧美极品专区高清在线观看，而不同于已往研究中將平均風(fēng)速表達(dá)為豎向風(fēng)剖面與時(shí)間函數(shù)的乘積，并采用結(jié)合快速傅里葉變化的諧波疊加法來模擬調(diào)制的非平穩(wěn)脈動(dòng)風(fēng)速在线A片视频网观看。

AR model in linear filter theory is adopted to simulate pulsant wind. Combined with some typical cable-membrane structures, research on self-vibration of the structure has been conducted. Based on the previous work, the influence caused by the vertical wind component on the membrane roofs has been analyzed in time domain. It includes the vibration laws of the structure under separate horizontal wind component, separate vertical wind component and the collective horizontal wind component and vertical wind component. Significant conclusions have been drawn from the analysis.

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To get the biggest power coefficient at various of wind speed, put out the argument of controlling wind turbine according to the wind pressure which act on the wind wheel swept area. Design and make a wind turbine which can adjust pitch angle of oar leaves through various of wind speed, and make experiment of characteristic.

1引盲 傳統(tǒng)的風(fēng)力機(jī)優(yōu)化設(shè)計(jì)方法是以槳葉各截面在設(shè)計(jì)風(fēng)速處具有最大的功率系數(shù)為目標(biāo)，設(shè)計(jì)是針對(duì)事先確定的一個(gè)設(shè)計(jì)風(fēng)速進(jìn)行的中国熟妇色視頻一区二区，風(fēng)力機(jī)只能在設(shè)計(jì)風(fēng)速點(diǎn)處獲得最大功率系數(shù)嘿咻嘿咻无码人妻视频。

This paper presents a wind vane sensors without the use of cases, combining with gyroscopes and hill-climbing algorithm to control the yaw institutions, can accurately capture the wind direction signal, rapid-conditioning the cabin of the deflection angle, so that wind generators wind wheel normal direction of the wind direction and change is always consistent for maximum capture of wind energy control strategies.

針對(duì)風(fēng)力發(fā)電機(jī)組的風(fēng)向變化絕對(duì)值小于15°的風(fēng)能捕獲率問題，提出一種在不使用風(fēng)向標(biāo)傳感器的情況下免费在线永久观看黄色视频，采用陀螺儀和爬山算法相結(jié)合的方法來控制偏航機(jī)構(gòu)免费看huang片的网站，能夠準(zhǔn)確的采集到風(fēng)向信號(hào)，快速調(diào)節(jié)機(jī)艙的偏轉(zhuǎn)角度国产精品毛一级毛片基地，使風(fēng)力發(fā)電機(jī)風(fēng)輪法線方向與變化的風(fēng)向始終保持一致一级全裸操逼免费视频，實(shí)現(xiàn)最大捕獲風(fēng)能的控制策略。

The complete wind turbine speed control firstly proposed here also improves the tracking effect of wind turbine rotating speed to variable wind speed. Wind turbine rotating speed synchronized power observer compensates the power ripple of wind turbine resulted in inverter dead time. A low pass filter used at the output of MPPT controller smoothes the speed reference, which makes the rotating speed of wind turbine more stable.

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