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- KARMAN VAFM Karman Vortices Air Flow Meter 卡门式空气流量计
- The vortices, known as von Karman vortices, appear when the air flow is disturbed by an object standing in the way. 这些涡旋称为冯卡门涡旋,一般在气流受到障碍物扰乱情况下出现。
- OP-KARMAN Optical karman Voltices Air Flow Meter 光学式卡门涡流式空气流量计
- The limit of accuracy is based upon the quality of the mass balance data, meter calibrations, flue gas analysis, and air flow meter accuracy. 精确程度取决于质量平衡数据的质量、量表的校验、燃料气分析以及空气流量表的精度。
- 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. 详细介绍捷达王轿车发动机热膜式空气流量计的基本原理、检测及检查方法,运用实例阐述热膜式空气流量计的故障诊断与排除。
- Principle and Test of Air Flow Meter 质量型空气流量计原理及检测
- insertion multi-point air flow meter 插入式多点风量测量装置
- The Application of Air Flow Meter in the Power Plant 热电厂常用风量测量装置的应用
- The high temperature vortex flow - sensor is a sensitive part which is made of high temperature piezoelectric ceramics with Karman vortex theory. 高温涡街流量传感器是根据卡门涡街理论,采用高温压电陶瓷制成的敏感器件,本传感器使用PNC型改性偏铌酸铅高温压电陶瓷。
- The Principle and Troubles Diagnostic of KARMEN Air Flow Meter 卡曼涡旋式空气流量计的原理与故障检测
- 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. 在一块粗糙平板的超音速尾流中(M数2.;2);产生了卡门涡街。用光学方法研究了超音速卡门涡街。
- New Automotive Thermal Air Flow Meter Based on Micro-silicon 基于微硅片的新型车用热膜式空气流量计
- 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. 通过NACA0012翼型的亚临界绕流计算和低雷诺数绕圆柱流动的卡门涡阶的模拟说明了本文发展的方法的准确性。
- In this paper,we studied the Karman vortices after stay vane and guide vane for hydraulic turbines. 本文对水轮机固定导叶和活动导叶后卡门涡进行了系统的研究。
- There are horse shoe vortex around spur dikes and Karman vortices behind spur dikes. 发现在丁坝的上游会形成马蹄涡 ;在丁坝的背风面会形成卡门涡 .
- 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. 本文建立的水轮机固定导叶和活动导叶后卡门涡频率预估模型,可在设计阶段进行叶片绕流卡门涡频率的预估。
- Shenyang Zhengxing flow Meter Co., Ltd. 沈阳正兴流量仪表有限公司。
- This paper deals with the mechanism of Karman vortex street and calculation of vibration frequency as well as the exciting force induced by vortex. 本文阐述了卡门涡列的机理,并计算了卡门涡列振动频率及诱发的激振力大小。
- The air flow was regarded as quasi-laminar. 空气流动被视为准层流。
- The emission frequency of the Karman vortex street occurred in series from the blades and tongue is varing with the running condition. 将流程泵叶轮叶片和压水室的隔舌看作旋涡发生体,在不同运行工况下在叶片后缘以及隔舌两侧串联发生的卡门涡街的发射频率是不同的。
