Development of Starting Wind Speed Calibration System
نویسندگان
چکیده
Abstract This starting wind speed calibration system is developed on the basis of tunnel design theory, with hot-wire anemometer as standard instrument, single-chip microcomputer reading and control center, power section uses PWM technology to fan rotate. The suitable for automatic EL15-1A/1C, ZQZ-TF, EC9-1 other common sensors indoors or site without (wind speed<0.2m/s). According test, within range 0.3~0.8m/s, field uniformity index 0.04~0.08m/s, stability not more than 0.5%. Compared tunnels provincial meteorological laboratories, numerical trend consistent.
منابع مشابه
3-D Numerical Investigation of Flow Field in Starting Stage of High Speed Wind Tunnels
High speed wind tunnels are widely used in the study of fluid flow behavior around various objects. The air flow in the starting step of supersonic wind tunnels is transient including strong shock waves caused by the interaction of the tunnel main stream and the boundary layer at walls. To arrive in running step, the tunnel must be designed so as these waves leave immediately the test section. ...
متن کامل3-D Numerical Investigation of Flow Field in Starting Stage of High Speed Wind Tunnels
High speed wind tunnels are widely used in the study of fluid flow behavior around various objects. The air flow in the starting step of supersonic wind tunnels is transient including strong shock waves caused by the interaction of the tunnel main stream and the boundary layer at walls. To arrive in running step, the tunnel must be designed so as these waves leave immediately the test section. ...
متن کامل3-d numerical investigation of flow field in starting stage of high speed wind tunnels
high speed wind tunnels are widely used in the study of fluid flow behavior around various objects. the air flow in the starting step of supersonic wind tunnels is transient including strong shock waves caused by the interaction of the tunnel main stream and the boundary layer at walls. to arrive in running step, the tunnel must be designed so as these waves leave immediately the test section. ...
متن کاملCalibration of reflected GPS for tropical storm wind speed retrievals
[1] Since 1996 when GPS reflected signals were purposefully acquired, an effort to assess the utility of these signals has been under way. It was early determined that the reflected GPS signal can be related to ocean surface wind dependent slope probability densities. Quantifying that relationship has resulted in considerable data taken at wind speeds below those associated with tropical storms...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Journal of physics
سال: 2023
ISSN: ['0022-3700', '1747-3721', '0368-3508', '1747-3713']
DOI: https://doi.org/10.1088/1742-6596/2549/1/012015