流向探測器 的英文怎麼說
中文拼音 [liúxiàngtàncèqì]
流向探測器
英文
flow-direction probe- 流 : Ⅰ動1 (液體移動; 流動) flow 2 (移動不定) drift; move; wander 3 (流傳; 傳播) spread 4 (向壞...
- 探 : Ⅰ動詞1 (試圖發現) try to find out; explore; sound 2 (看望) call on; visit; see 3 (向前伸出)...
- 測 : 動詞1. (測量) survey; fathom; measure 2. (測度; 推測) conjecture; infer
- 器 : 名詞1. (器具) implement; utensil; ware 2. (器官) organ 3. (度量; 才能) capacity; talent 4. (姓氏) a surname
- 流向 : flow direction流向測量器 flow direction probe; 流向角 [水文] angle of current; 流向圖 flow graph;...
- 探測器 : finder; detector; seeker; sounder; probe
- 探測 : survey; search; sound; probe; sounding; detection; acquisition; reconnaissance; localization; fin...
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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。In order to investigate the unsteady flow frequency domain performances of an axial flow compressor at different mass flow, rotating speed and blade row spacing, plus inlet flow distortion, and considering aerodynamic characteristics and stability of the compressor, the low speed research compressor ( lsc ) at college of energy and power in nuaa is used to carry out the experiment studies. a large amount of test data has been gained through dynamic pressure transducers embedded in the stator blades at the tip, middle and hub section, then fast fourier transform algorithm ( fft ) is applied to calculate the frequency data
為探討軸流壓氣機在工作流量、工作轉速及動?靜葉排軸向間距變化時的葉片排流場非定常頻譜特性變化規律,並耦合進氣畸變的影響,同時與壓氣機氣動性能和氣動穩定性相關聯,作者利用南京航空航天大學能源與動力學院的低速大尺寸軸流壓氣機( lsc )試驗器,採取在靜子葉片表面埋入動態壓力傳感器的實驗方法,對葉尖、葉中和葉根三個截面的動態壓力進行了測量,獲得了大量的可靠的實驗數據。An instrument used to detect, measure, and determine the direction of small electric currents by means of mechanical effects produced by a coil in a magnetic field
檢流計,電流計一種儀器,用以探測、測量和測定微小電流方向,採用線圈在磁場中產生的機械效果的方法In principle, ultrasonic sensors are suspended over a road, which keep emitting pulse signals periodically to nearby and feed back waves to decide existence of any obstacles, thus to detect the speed, height, length, different sizes ( heavy, medium and small ) of moving vehicles and accumulative flow as well as length of motorcade. optionally, it can be applied to multitude driving lanes simultaneously for traffic data. by integrating and analyzing these measured data, the necessary figures concerning traffic flow may be obtained, which are fundamental basis guiding road buildings
本課題設計的是一種懸掛式超聲波車流多信息檢測器,通過懸掛于路面上方的超聲波探頭向路面周期性地發射脈沖信號,利用地面回波來判斷遮擋物地存在,可用於檢測行駛中的機動車車速、車高、車長、大中小分型以及累計車流量、車隊長度等信息,並可用於多個車道車流信息的同時檢測,綜合這些測量參數可獲得車流量的必要數據,可為公路建設提供必要的基礎依據。Fisrt, the flow field of radial and tangential annulus with rotating flow are made by using an advanced piv system, its flow field characteristics are obtained preliminary probed. it is found that the flow field characteristics are not the same between unpermeateing flow and have permeateing flow, otherwise the flow field is compared between rotating flow and dynamic tubular membrane
首先通過採用先進的piv測試系統,對旋轉流膜器的徑向環隙和切向環隙處的流場進行了實測,初步探討了其流場特性,發現在無滲透流和有滲透流的情況下其流場並不相同,並與旋轉動態膜的分離特性進行了比較。Secondly, methods of improving on probe are investigated in detail : using the electromagnetic shielding effect to decay the direct - coupled magnetic field and using the dual probe to control the energy flow, so as to make the probe to be shorter ; designing 3 - d pick - up coil array to increase detection sensitivity. at last, experiment system is set up to verify the simulation result and the comparing result shows simulation result agrees with experiment result
其次,對改進傳感器性能的幾種方法進行了詳細研究:利用電磁屏蔽效應以衰減在直接路徑上的磁場傳播、採用復式探頭激勵方式以實現能流控制,從而減小傳感器體積,模擬證實這兩種改進方案有效;設計三維周向檢測線圈陣列以提高缺陷檢測靈敏度,模擬結果證實三維探頭的周向靈敏性。The radial, circumferential and axial distributions of static pressure amplitude under post - stall conditions are measured and compared. the experimental results have proved the feasibility of using one - dimensional model to analyze the post - stall behavior and recoverability of compression systems. at the same time, the results of experiment have provided the first - hand data for analyzing and calculating vibrating response of blades under post - stall conditions
以單級軸流壓氣機實驗器為對象,研製了兩種型式的靜壓動態探針?梳形針和圓盤針,詳細測量了過失速狀態下流道中壓力沿徑向、周向和軸向分佈,驗證了用一維模型分析壓氣機過失速性能和失速可恢復性的可信度,同時為過失速狀態下葉片的振動響應分析計算提供了第一手實驗數據。In the design of optical system, to improve system precision, the fiber optic coupler is added to make a laser pulse circle ; in the unit of photo detection, we make a high - precision temperature compensation apd bias circuit, which allows system to abate the noise caused by temperature changer and dark current
應變測量系統主要由光源、傳感光纖、光電探測器和信號處理電路組成。在光學系統設計中為提高系統的精度採用了光纖定向耦合器實現光脈沖的循環;在光電轉換單元上採用高精度溫度補償的apd偏置電路,減小了溫度和暗電流帶來的噪聲干擾。Mail probes that verify local mail routing by sending a message to a known destination and verifying its delivery, that notify you if the router cannot keep up with mail flow, and that alert you if too much mail is pending to a particular destination or if mail to that destination is failing
郵件探測器,該探測器通過向未知目的地發送消息並驗證其傳送來驗證本地郵件發送,如果路由器不能與郵件流保持一致,探測器會向您發出通知,如果對于某一特定目的地而言,有太多郵件處于待決狀態,或者發送到這個目的地的郵件發送失敗,那麼探測器也會向您發出警告。分享友人