風速測針 的英文怎麼說
中文拼音 [fēngsùcèzhēn]
風速測針
英文
air velocity probe- 風 : Ⅰ名詞1 (空氣流動) wind 2 (風氣; 風俗) practice; atmosphere; custom 3 (景象) scene; view 4 ...
- 速 : Ⅰ形容詞(迅速; 快) fast; rapid; quick; speedy Ⅱ名詞1 (速度) speed; velocity 2 (姓氏) a surna...
- 測 : 動詞1. (測量) survey; fathom; measure 2. (測度; 推測) conjecture; infer
- 針 : Ⅰ名詞1 (縫衣物用的工具) needle 2 (細長像針的東西) needle like things 3 (針劑) injection; sh...
- 風速 : [氣象學] wind [air] speed; wind [air] velocity
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Aiming at the study actuality of fan performance monitoring system and analysis of fan performance curve changes affected by inlet - box and the different fixed - angles of guide blades in the course of installation, a fan flow monitoring model based on rbfnn in whole flow zone was established in this thesis. in the model, the method of no throttle and fan performance curve were used as basis. and on the basis of that model, fan performance curves of 4 - 73no. 8d were approached with experimental data of different speed, different opening - angles of guide blade and different resistance of pipeline, the precision and the error law of model were studied
本文針對電站風機性能監測系統研究較少的現狀,在實驗的基礎上分析了現場加裝進氣箱和由於安裝造成的導流器葉片開度不一致對風機性能曲線的影響,並在此基礎上採用無節流方法測量流量,以風機調節性能曲線為依據,建立了基於徑向基函數( rbf )神經網路的風機流量全程監測模型;以實驗室4 - 73no . 8d離心風機為研究對象,探討了rbf神經網路差壓模型在變轉速、變導流器開度和變管網阻力等工況下的應用精度和誤差分佈規律;最後用visualc + +語言開發了風機性能在線監測系統。Based on wind speed observation record with drawback, it is proved that the exponent expressing terrain roughness can be calculated according the monthly maximum wind speed records at various height levels. wind characteristics of bridge site are determined by statistical method
針對橋址區風速觀測記錄的特點,證明了利用不同高度處月最大風速記錄推算地表粗糙度影響系數的可行性,並對通過最小二乘擬合得到的地表粗糙度影響系數進行統計分析,最終確定橋址區風特性。Aiming at the characteristics of its management, the paper synthetically utilizes the knowledge and methods in the fields of the theory of corporation pre - warning management, system theory, the management ways of the enterprise, behavior science, sociology and statistics, and so on. from the angle of organization, the paper expounds the accidence cause, the principal, the process, the behave modes and the results led to the risk by management system, utilizing by various methods, such as field survey, examples analysis, the investigation of questionnaire, the judge of the major eleme nts, the blur judgments of the computer model, and it attempts to seek for a pre - warning method which can describe, expect, judge, evaluate and control in advance the railway risk and incidences
針對鐵路機車運行管理的特點,本論文綜合地運用企業預警管理理論、系統論、企業管理學、行為科學、社會學、統計學等多學科、多領域的知識和方法,從組織的角度出發,通過實地調查和問卷調查、實證分析、主成分判斷,計算機模型等手段,對中高速機車車輛交通安全事故的成因、機理過程、表象及結果進行較深入的研究,探求一種對風險和危機能有效明確的描述、預測、預報、評價、控制的預警管理方法。Abstract : with an optical probe based on the principle of multi - wavelength light extinction, size and concentration of droplet were measured in a transonic wind tunnel. this paper presents the measurement results
文摘:應用基於多波長消光法原理發展的光學探針,測量了跨聲速風洞中不同馬赫數濕空氣流自發凝結形成的水滴尺寸及濃度,並給出了實驗結果。For the existing situation of primary air speed monitoring condition on boiler, a new instrument structure mode whose data acquisition board and display board are separated, and connected by communication to improve the reliability, reduce the cost and easy installation and maintain
摘要針對鍋爐一次風速監測儀表的現狀,提出一種新型儀表構成方式,將測量儀表的現場數據採集和顯示功能分離,之間採用通信方式連接,以提高儀表的可靠性,降低成本,方便安裝和維護。Aiming at the structure characteristics of the pipeline system of the existing boiler combustion equipment, the paper work out the new - style air speed measure components via the theory analysis of the existing measure components of all kind of forms and measure theory. and then the paper designs and builds the wind tunnel test - bed to process the test and research of the air speed measure components in order to realize it ' s structure and each characteristic parameter
針對現有的鍋爐燃燒設備管路系統的結構特點,論文通過對現有的各種形式、測量原理的流量測量裝置的理論分析,設計出新型的風速測量元件,並且設計、建立滿足試驗所需的風洞試驗臺,對風速測量元件的結構及各項特性指標進行試驗研究,完成一次元件的開發工作。分享友人