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- KARMAN VAFM Karman Vortices Air Flow Meter 卡門(mén)式空氣流量計
- The vortices, known as von Karman vortices, appear when the air flow is disturbed by an object standing in the way. 這些渦旋稱(chēng)為馮卡門(mén)渦旋,一般在氣流受到障礙物擾亂情況下出現。
- OP-KARMAN Optical karman Voltices Air Flow Meter 光學(xué)式卡門(mén)渦流式空氣流量計
- The limit of accuracy is based upon the quality of the mass balance data, meter calibrations, flue gas analysis, and air flow meter accuracy. 精確程度取決于質(zhì)量平衡數據的質(zhì)量、量表的校驗、燃料氣分析以及空氣流量表的精度。
- The author introduces basic principle,inspection and test method of the hot-film air flow meter on JETTA CT,elaborates its fault diagnosis and resolution with examples. 詳細介紹捷達王轎車(chē)發(fā)動(dòng)機熱膜式空氣流量計的基本原理、檢測及檢查方法,運用實(shí)例闡述熱膜式空氣流量計的故障診斷與排除。
- Principle and Test of Air Flow Meter 質(zhì)量型空氣流量計原理及檢測
- insertion multi-point air flow meter 插入式多點(diǎn)風(fēng)量測量裝置
- The Application of Air Flow Meter in the Power Plant 熱電廠(chǎng)常用風(fēng)量測量裝置的應用
- The high temperature vortex flow - sensor is a sensitive part which is made of high temperature piezoelectric ceramics with Karman vortex theory. 高溫渦街流量傳感器是根據卡門(mén)渦街理論,采用高溫壓電陶瓷制成的敏感器件,本傳感器使用PNC型改性偏鈮酸鉛高溫壓電陶瓷。
- The Principle and Troubles Diagnostic of KARMEN Air Flow Meter 卡曼渦旋式空氣流量計的原理與故障檢測
- Karman vortex street was observed in the wake of a rough Mat plate at M=2.2.The supersonic vortex flow was investigated by optical methods. 在一塊粗糙平板的超音速尾流中(M數2.;2);產(chǎn)生了卡門(mén)渦街。用光學(xué)方法研究了超音速卡門(mén)渦街。
- New Automotive Thermal Air Flow Meter Based on Micro-silicon 基于微硅片的新型車(chē)用熱膜式空氣流量計
- The simulating results of NACA0012 airfoil in sub-critical flow and the Karman vortex street over a circular cylinder can demonstrate the validity of this method. 通過(guò)NACA0012翼型的亞臨界繞流計算和低雷諾數繞圓柱流動(dòng)的卡門(mén)渦階的模擬說(shuō)明了本文發(fā)展的方法的準確性。
- In this paper,we studied the Karman vortices after stay vane and guide vane for hydraulic turbines. 本文對水輪機固定導葉和活動(dòng)導葉后卡門(mén)渦進(jìn)行了系統的研究。
- There are horse shoe vortex around spur dikes and Karman vortices behind spur dikes. 發(fā)現在丁壩的上游會(huì )形成馬蹄渦 ;在丁壩的背風(fēng)面會(huì )形成卡門(mén)渦 .
- The vortices shedding frequency calculation model proposed by this paper can be used to predict the shedding frequency of the Karman vortices for hydraulic turbines design. 本文建立的水輪機固定導葉和活動(dòng)導葉后卡門(mén)渦頻率預估模型,可在設計階段進(jìn)行葉片繞流卡門(mén)渦頻率的預估。
- Shenyang Zhengxing flow Meter Co., Ltd. 沈陽(yáng)正興流量?jì)x表有限公司。
- This paper deals with the mechanism of Karman vortex street and calculation of vibration frequency as well as the exciting force induced by vortex. 本文闡述了卡門(mén)渦列的機理,并計算了卡門(mén)渦列振動(dòng)頻率及誘發(fā)的激振力大小。
- The air flow was regarded as quasi-laminar. 空氣流動(dòng)被視為準層流。
- The emission frequency of the Karman vortex street occurred in series from the blades and tongue is varing with the running condition. 將流程泵葉輪葉片和壓水室的隔舌看作旋渦發(fā)生體,在不同運行工況下在葉片后緣以及隔舌兩側串聯(lián)發(fā)生的卡門(mén)渦街的發(fā)射頻率是不同的。
