지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
초록· 키워드
오류제보하기
The three dimensional ultrasonic anemometer was constructed to reduce the disadvantages of the two-dimensional anemometer and to be free from the use environment. Three pairs of transmitting and receiving ultrasonic sensors were designed to face each other atan angle of 45° to the upper and lower surfaces at intervals of 120°. 200 kHz ultrasonic sensor Oscillation, transmission and reception,level detection, power supply circuit were designed and U, V, W wind speed vector components were obtained by measuring the time of first received ultrasonic pulse by transmitting pulse ultrasound. It is implemented as firmware in ARM Coretex-M3 processor so that horizontal and vertical wind direction and wind speed can be converted into digital signal by vector calculation. In this study, The three-dimensional ultrasonic anemometer can complement the disadvantages of the two-dimensional anemometer (mechanical and ultra-sonic), and it is expected to gradually replace the two-dimensional anemometer due to its high utilization rate by collecting additional information such as vertical wind.
목차
등록된 정보가 없습니다.
참고문헌 (7)
참고문헌 신청
A. Grelle / 1994 / Flow distortion by asolent sonic anemometer : wind tunnel calibration and its assessment for flux measurements over forest and field / J. Atmos. Ocean. Tec
J. M. Wilczak / 2001 / Sonic anemometer tilt correction algorithms / Boundary-Layer Meteorology : 129 ~ 147
L. Svilainis / 2007 / Measurement of complex impedance of ultrasonic transducers / Ultragarsas 1 (62) : 26 ~ 29
S. G. Pablo / 2010 / Development of A measurement box to measure the 3D wind speed in an urban environment / Alejandro Sola Alzueta : 11 ~ 72
T. Thomas / 2015 / Three-dimensional wind speed and flux measurements over a rainfed soybean field using orthogonal and non-orthogonal sonic anemometer designs / Natural Reso
J. M. Wilczak / 2001 / Sonic anemometer tilt correction algorithms / Boundary-Layer Meteorology : 129 ~ 147
L. Svilainis / 2007 / Measurement of complex impedance of ultrasonic transducers / Ultragarsas 1 (62) : 26 ~ 29
S. G. Pablo / 2010 / Development of A measurement box to measure the 3D wind speed in an urban environment / Alejandro Sola Alzueta : 11 ~ 72
T. Thomas / 2015 / Three-dimensional wind speed and flux measurements over a rainfed soybean field using orthogonal and non-orthogonal sonic anemometer designs / Natural Reso
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