vortex flowmeter 中文意思是什麼

vortex flowmeter 解釋
渦街流量傳感器
  • vortex : n. （pl. vortexes,-ti-ces ）1. 旋渦；旋風；旋卷行雲。2. 【物理學】渦旋；【航空】渦流；【動物；動物學】〈V-〉 單腸渦蟲的一屬。
  • flowmeter : 流量表，流量計，流速計。
  1. Ulp smart capacitance vortex flowmeter based on msp

    430的超低功耗電容式渦街流量計
  2. Development of an electromagnetic vortex mass flowmeter

    電磁力的消渦與減阻
  3. Development of intelligent vortex street flowmeter based on hart protocol

    協議的智能渦街流量計的開發
  4. In this work, a new dual triangulate bluff body vortex flowmeter was developed, the flux lower limit value of which lower by 50 % that of the old single bluff body vortex flowmeter. the linear correlation of the correlation between the velocity pressures of fluid disturbs wave and that of vortex precession in vortex precession flowmeter was brought to light, and a spectrum phase discrimination method based on fft to remove the effect of fluid pulsating interference on vortex precession flowmeter was advanced

    研製出比傳統單鈍體渦街流量計流量下限降低約50的新型雙鈍體渦街流量計；揭示出脈動流中旋進旋渦流量計流體振動特性，並在此基礎上提出基於fft相位判別的數字信號處理方法來消除流場脈動對旋進旋渦流量計的干擾的方法。
  5. In the second chapter, the fluid mechanics principle of vortex flowmeter at first was introduced. the classical theory about vortex flowmeter and the method of computational fluid dynamics about flow around body were expanded on, and the model of the single bluff body and the dual bluff body vortex flowmeter were constructed. and then, fvm - finite volume method - analysis software fluent was applied to analyze the flow phenomenon of flow over single bluff body or dual bluff body

    然後通過大量實驗和理論分析給出雙鈍體渦街流量計的設計準則：當管徑為d ，鈍體形狀為三角形，則鈍體設計參數為：銳邊寬度= 0 . 26d ，高度= 0 . 34d ，鈍體之間的距離= 1 . 2d （即當兩鈍體寬度相等且鈍體距離等於單鈍體兩列旋渦之間的距離） 。
  6. The intelligence vortex flowmeter system is consisted of vortex sensor, temperature sensor, pressure sensor, lcd module and master controller, etc. the master controller uses a single - chip computer to collect, analyze, compute and compensate the signals of all sensors, and gets the needed data, then displays all data via the lcd

    智能渦街流量計系統由渦街傳感器、溫度傳感器、壓力傳感器、液晶顯示模塊、主控制器等幾個部分組成。主控制器使用單片機對各個傳感器的信號進行採集、分析、計算，並進行補償，得到所需數據，再將各種數據送到液晶顯示器顯示。
  7. Since it has the advantage of no moving components, impulse signal output, strong medium adaptability, high measurement accuracy, wide measurement range, low - pressure drop, no zero drift and easy to maintenance, it is wide accepted that the vortex type fluid oscillatory flowmeter is ideal flowmeter in the measurement of gas, liquid, steam and mix / corrosive fluid

    這類的流量計兼有無運動部件，脈沖數字輸出，計量不受被測流體性質影響，測量準確度較高，量程比寬，無零點漂移，壓力損失小，便於安裝維護等優點，是測量氣體，液體，蒸汽，混合型和腐蝕性流體的理想的流量計。
  8. Measurement and control system of intelligent vortex flowmeter

    智能渦街流量計測量控制系統
  9. ( 3 ) flow measurement system based on vortex flowmeter

    （ 3 ）基於渦街流量計的流量測量系統。
  10. Current status of study on signal processing method and system for vortex flowmeter

    渦街流量計信號處理方法與系統的研究現狀
  11. Abstract : the measuring principle and application of vortex flowmeter are introduced

    文摘:介紹渦街流量計的測量原理及應用。
  12. Because vortex flowmeter has no movable mechanical parts, the output signal of it is a frequency signal that is proportional to flow signal, and it has less pressure loss, wider measurement range, it is used widely

    由於渦街流量計具有無機械可動部件，可得到與流量成正比的頻率輸出信號，壓力損失較小和量程比較寬等優點，因而應用相當廣泛。
  13. There are two kinds of vortex type oscillatory flowmeter : vortex flowmeter and vortex precession flowmeter

    基於旋渦流體振蕩原理的流量計主要有兩種：渦街流量計和旋進旋渦流量計。
  14. The technique of fluid mechanics simulation and the technique of modern fluid mechanics experiment were applied to research on the fluid oscillation characteristics of vortex flowmeter and vortex precession flowmeter

    以流場模擬技術和實驗流體力學的相結合的方法，系統地研究了旋渦型流體振動流量計的流體振動特性。
  15. The traditional signal processing methods that amplify, filter, rectify signal and count, which are used in vortex flowmeter now, has shortage in extracting real flow signal from noise. the methods that restrict measurement range or do n ' t measure small flow have to be adopted

    目前渦街流量計所採用的放大、濾波、整形、計數的處理方式，在從噪聲中提取流量信號方面存在較大的局限性，只能採用限制量程比、不測小流量等方法來抑制噪聲。
  16. The assemble criterion of sensor for design was advanced. at last, a method of increasing signal - to - noise ratio and reducing flux lower limit value of vortex flowmeter was advanced. the experiment program was advanced

    針對旋進旋渦流量計的理論分析所存在的問題，論文應用fluent軟體對該流量計進行了直接流場模擬研究，分析模擬的結果和誤差，並提出了改善模擬精度的途徑。
  17. The methods and developing status of flow measurement and physical parameter of fluid, the principle of vortex flowmeter, the theory of ar model spectrum estimation are described at the beginning of the thesis. the author develops a flow measurement system comprising the signal processing circuit and measurement software to measure flow and do qualitative and quantitative to measurement results that gain by count method and ar model spectrum estimation method

    論文依次講述了流量的測量方法和發展趨勢，流體的物理參數，渦街流量計的測量原理， ar模型譜估計的基礎理論，並針對渦街流量計設計了信號處理電路和測量軟體，最後對用計數方法和ar模型譜估計方法得出的測量結果進行了定性和定量分析。
  18. After analyzing the present situations of flowmeters, applications of single - chip computers in flow measurement meters, and the development trends of flowmeters, we ' ve designed an advanced intelligence vortex flowmeter, which can display the results on - the - spot ( includes instantaneous flow, total flow, temperature, pressure, and surplus capacity of the cell ), communicate with the upper computers through the serial port and realize automatic copying meters

    本論文通過對現有流量計及單片機在流量檢測儀表中的應用現狀的分析，結合流量計的發展趨勢，設計了一種先進的智能渦街流量計，它能現場顯示測試結果（包括瞬時流量、累計流量、溫度、壓力、電池剩餘容量） ，並且通過串口可與上位機通訊，實現自動抄表功能。
  19. The principle, structure and measurement circuit of vortex flowmeter are mainly discussed in the article

    流量測量原理、分類及發展狀況，著重討論了渦街流量傳感器的原理、結構特點及測量電路。
  20. Lxw serials vortex flowmeter is a patent right product of shanghai yinuo instrument.

    Lszq型氣體雙轉子流量計，是我公司自行研製開發創造的最新型的容積式氣體流量計. .
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