The cylindrical two-dimensional wind sensor employing flow meters is not accurate enough for surface wind measurement. By analyzing the data from wind tunnel experiments, a model is proposed to describe the diametrical pressure differences developed by the flow around a circular cylinder. A method is derived from the model for two-dimensional wind measurement by detecting the diametrical pressure differences. When the proposed method is applied to the data from wind tunnel tests in range of 2~40 m/s, the relative wind speed errors and the wind direction errors are no more than ±(0.2+0.03 V) m/s and ±5° respectively. The proposed method is more accurate than the cylindrical two-dimensional wind sensor using flow meters. Without moving parts, the method is immune to mechanical wear and inertia.
刘成,赵湛,杜利东,方震. 基于圆柱绕流直径压强差的二维风测量方法[J]. 电子与信息学报, 2017, 39(3): 737-742.
LIU Cheng, ZHAO Zhan, DU Lidong, FANG Zhen. Method of Measuring Two-dimensional Wind Based on Diametrical Pressure Differences Developed by Flow Around Cylinder. JEIT, 2017, 39(3): 737-742.
SUN Xuejin, WANG Xiaolei, LI Hao, et al. Atmospheric Observation[M]. Beijing: China Meteorological Press, 2009: 172-247.
[2]
BRUSCHI P, DEI M, and PIOTTO M. A low-power 2-D wind sensor based on integrated flow meters[J]. IEEE Sensors Journal, 2009, 9(12): 1688-1696. doi: 10.1109/JSEN.2009. 2030652.
[3]
ZHU Yanqing, CHEN Bei, QIN Ming, et al. 2-D micromachined thermal wind sensorsA review[J]. IEEE Internet of Things Journal, 2014, 1(3): 216-232. doi: 10.1109/ JIOT.2014.2319296.
[4]
VERESHCHAGINA E, TIGGELAAR R M, SANDERS R G P, et al. Low power micro-calorimetric sensors for analysis of gaseous samples[J]. Sensors and Actuators B: Chemical, 2015, 206: 772-787. doi: 10.1016/j.snb.2014.08.077.
[5]
LIU Haobing, LIN Nay, PAN Shanshan, et al. High sensitivity, miniature, full 2-D anemometer based on MEMS hot-film sensors[J]. IEEE Sensors Journal, 2013, 13(5): 1914-1920. doi: 10.1109/JSEN.2012.2236014.
[6]
KOWALSKI L, JIMENEZ V, DOMINGUEZ-PUMAR M, et al. Low pressure spherical thermal anemometer for space missions[C]. 2013 IEEE Sensors, Baltimore, Maryland, USA, 2013: 1-4. doi: 10.1109/ICSENS.2013.6688493.
[7]
KOWALSKI L, ATIENZA M T, GORRETA S, et al. Spherical wind sensor for the atmosphere of Mars[J]. IEEE Sensors Journal, 2016, 16(7): 1887-1897. doi: 10.1109/JSEN. 2015.2509168.
[8]
DONG Ziqiang, CHEN Jingjing, QIN Yukun, et al. Fabrication of a micromachined two-dimensional wind sensor by Au-Au wafer bonding technology[J]. Journal of Microelectromechanical Systems, 2012, 21(2): 467-475. doi: 10.1109/JMEMS.2011.2179014.
[9]
ZHU Yanqing, CHEN Bei, GAO Di, et al. A robust and low-power 2-D thermal wind sensor based on a glass-in-silicon reflow process[J]. Microsystem Technologies, 2015, 22(1): 151-162. doi: 10.1007/s00542-015-2423-9.
[10]
GEORGIOU D P and KYPROS F M. Fabrication and calibration of a sub-miniature 5-hole probe with embedded pressure sensors for use in extremely confined and complex flow areas in turbomachinery research facilities[J]. Flow Measurement and Instrumentation, 2014, 39: 54-63. doi: 10.1016/j.flowmeasinst.2014.07.005.
[11]
PIOTTO M, DEI M, PENNELLI G, et al. A miniaturized 2D solid state anemometer based on thermal flow sensors[J]. Procedia Chemistry, 2009, 1(1): 1463-1466. doi: 10.1016/j. proche.2009.07.365.
[12]
PIOTTO M, PENNELLI G, and BRUSCHI P. Fabrication and characterization of a directional anemometer based on a single chip MEMS flow sensor[J]. Microelectronic Engineering, 2011, 88(8): 2214-2217. doi: 10.1016/j.mee.2010.11.009.
[13]
张兆顺, 崔桂香. 流体力学[M]. 北京: 清华大学出版社, 1999: 167-168.
ZHANG Zhaoshun and CUI Guixiang. Hydromechanics[M]. Beijing: Tsinghua University Press, 1999: 167-168.
[14]
SCHLICHTING H. Boundary-Layer Theory[M]. 7th Edition, New York: McGraw-Hill, 1979: 12-23.
[15]
ZURELL Cory. Aerodynamics of a circular cylinder inclined to airflow and wind-induced vibrations of dry, inclined cables at high wind speeds[D]. [Ph.D. dissertation], University of Ottawa, 2004: 22-25.
[16]
CARE I and ARENAS M. On the impact of anemometer size on the velocity field in a closed wind tunnel[J]. Flow Measurement and Instrumentation, 2015, 44: 2-10. doi: 10.1016/j.flowmeasinst.2014.11.007.
[17]
CHEN Wenli, LI Hui, and HU Hui. An experimental study on a suction flow control method to reduce the unsteadiness of the wind loads acting on a circular cylinder[J]. Experiments in Fluids, 2014, 55(4): 1-4. doi: 10.1007/s00348-014-1707-7.
[18]
LYSENKO D A, ERTESVÅG I S, and RIAN K E. Large- eddy simulation of the flow over a circular cylinder at Reynolds number 2×104[J]. Flow, Turbulence and Combustion, 2014, 92(3): 673-698. doi: 10.1007/s10494-013- 9509-1.
[19]
GIACOMO P. Equation for the determination of the density of moist air (1981)[J]. Metrologia, 1982, 18(3): 33-40. doi: 10.1088/0026-1394/18/3/011.
[20]
LIU Cheng, DU Lidong, and ZHAO Zhan. A directional cylindrical anemometer with four sets of differential pressure sensors[J]. Review of Scientific Instruments, 2016, 87(3): 035105. doi: 10.1063/1.4943222.