- -03 ultrasonic automated weather station 03 ultrasonic - PowerPoint PPT Presentation

IMCES SB RAS Institute of Monitoring of Climatic and Ecological Systems Siberian Branch of Russian Academy of Sciences 10/3, Academicheskii Ave., IMCES SB RAS e-mail: tikhomirov@imces.ru , tel. (3822) 492249, fax. (3822) 491950 АМК - АМК -03 ultrasonic automated weather station 03 ultrasonic automated weather station and its possibilities for measured data and its possibilities for measured data accumulation and computerization accumulation and computerization Ультразвуковая автоматическая автоматическая Ультразвуковая метеорологическая станция станция АМК АМК - и метеорологическая 03 и -03 ее возможности возможности для для накопления накопления рядов рядов ее данных и и обработки обработки результатов результатов данных измерений измерений Senior Researcher Alexander Ya. Bogushevich Professor Alexander A. Tikhomirov 19.08.2008 Enviromis-2008 1

АМК -03 ultrasonic automated weather station and its possibilities… IMCES SB RAS Content Content 1. Application 2. Specification 3. Principle of operation 4. АМК -03 main components 5. Additional component of AMK-03 6. Foreign and home-produced analogs 7. АМК -03P portable model 8. BMK on-board models 9. Exmeteo-01 expedition model 10.Software 11.Examples of the software application 12.Region network model for short-term weather forecast 19.08.2008 Enviromis-2008 2

АМК -03 ultrasonic automated weather station and its possibilities… IMCES SB RAS 1. Application 1. Application • Measuring of instantaneous values of the basic weather parameters (with preset averaging interval): horizontal wind speed and its direction, vertical wind speed, barometric pressure, air temperature and relative humidity with sensor sample rate of 80 Hz; • Calculation of standard statistical characteristics of weather parameters (RMS, correlation coefficients, asymmetry coefficients, excess coefficients, etc); • Calculation of turbulent characteristics of weather parameter fields; • Accumulation of measured and calculated weather parameters in the database; • Presentation of the stored information as time graphics, histograms, wind rose, etc. for any observation interval (hours, days, months, years); • Over short-term weather forecast (up to 6 hours forward) at the AMK-03 location in on-line mode with running frame of reference. AMK AMK- -03 Ultrasonic automated weather station is registered at 03 Ultrasonic automated weather station is registered at the State Register of Measuring Instruments the State Register of Measuring Instruments Russian patent № № 2319987 2319987 Russian patent 19.08.2008 Enviromis-2008 3

АМК -03 ultrasonic automated weather station and its possibilities… IMCES SB RAS 2. Specification Specification 2. Measurement Weather parameter Accuracy range ± 0.3 °C, for Т ≤ +30 °C Air temperature ( T ), ° С minus 50…plus 50 ± 0.5 °C, for Т > +30 °C ± (0.1 + 0.02 V ) 0.1…40 Horizontal wind speed ( V ), m/s ± 4 ° 0…360 Horizontal wind direction, degree ± (0.1 + 0.02 W ) –15…+15 Vertical wind speed( W ), m/s ± 2.5 % for Т > 0 °C; Relative humidity, % 10…100 ± 5 % for Т ≤ 0 °C ± 1.0 693…1067 Barometric pressure, hPa Averaging interval is defined by operator: • with computer control from 1 to 20 minutes (discrete 1 minute); • with benchboard (without PC) – 1; 2; 4 or 10 minutes. Extreme resolution is: • 0.01 ° C for temperature measurement; • 0.01 m/s for wind speed measurement. 19.08.2008 Enviromis-2008 4

АМК -03 ultrasonic automated weather station and its possibilities… 3. Principle of operation Principle of operation 3. IMCES SB RAS Two-channel system Four-channel system for the wind speed measurement for the wind speed measurement V i = L i / t i Sound speed in the air ( ) = + v 20 . 067 1 0 . 3192 e P T , (1) s k e is water vapour pressure, hPa; P is barometric pressure, hPa; Т k is air temperature, K. v s = L / t , (2) Four transmitter-receiver couples are located at the cube apices L is distance between ultrasonic transmitter ( Изл . ) and ultrasonic receiver ( Пр . ); This system allows to measure t is sonic pulse transit time from Изл . to Пр . three components of wind speed v x is wind component along axis 0 х ; vector and sound speed in the air t 1 = L / ( v s + v x ) is transit time of a sonic pulse along axis 0 х ; Air temperature is defined from (1) t 2 = L / ( v s – v x ) is transit time of a sonic pulse 2   [ ] v ( ) against axis 0 х ; = s +   T 1 0 . 3192 e P , (4) k   20 . 067 v x = 0.5 L ( t 1 – t 2 ) / t 1 t 2 . (3) 19.08.2008 Enviromis-2008 5

АМК -03 ultrasonic automated weather station and its possibilities… 4. AMK AMK- -03 03 main components main components 4. IMCES SB RAS Ultrasonic oscillation frequency is about 100 kHz. Sensor sample rate of 80 Hz provides measurement of instantaneous values of the weather parameters. Piezoelectric transducer (transmitter and receiver) 1 is holes for wire; 2 is case; 3 is damper; 4 is piezoelectric ceramics; 5 are electrodes; 6 is mastic; 7 is protector Two accelerometer sensors included in the DSV-15 and DSV-16 ultrasonic thermoanemometers allow measuring DSV-15 weather DSV-16 ultrasonic the deviation angles from vertical if parameter sensor thermoanemometer mast is tilted. Sizing: 380 × ∅ 230 mm; Sizing: 520 × ∅ 230 mm; Mass: 1.4 кг Mass: 1.9 kg 19.08.2008 Enviromis-2008 6

АМК -03 ultrasonic automated weather station and its possibilities… Additional component of АМК АМК - 5. Additional component of -03 03 5. IMCES SB RAS DDV-12 barometric BPN-52 power PPU-25 benchboard pressure and relative supply unit 130 × 72 × 30 mm; humidity sensor 0.4 kg 150 × 80 × 80 mm; 200 × 100 × 80 mm; 0.6 kg 2.2 kg ADDITIONALLY: Connection cables; CD with special software; manual instruction; software instruction; masts of several forms; container 19.08.2008 Enviromis-2008 7

АМК -03 ultrasonic automated weather station and its possibilities… 6. Foreign and Foreign and home home- -produced analogs produced analogs 6. IMCES SB RAS (developed since the end of 1980s) DSV-15 НПО “ ТАЙФУН ” BIRAL (UK) METEK (GERMANY) VAISALA (FIN) KAIJO (JAPAN) 19.08.2008 Enviromis-2008 8

АМК -03 ultrasonic automated weather station and its possibilities… АМК - 7. АМК -03 03P P Portable model Portable model 7. IMCES SB RAS DSV-15 Thermoanemometer AMK-03P deployment configuration Transportation PPU-25 Benchboard AMK-03P setting-up procedure is 30 minutes (from container to deployment configuration) The accumulator and the charge unit are located in the container too. Full container weight is 18 kg. Packing configuration into a container 19.08.2008 Enviromis-2008 9

АМК -03 ultrasonic automated weather station and its possibilities… 8. BMK BMK on on- -board board models models 8. IMCES SB RAS BMK-02 on a board of a armoured fighting vehicle Thermoanemometers are located in containers, which provide the selfcalibration process for wind speed and temperature sensors Benchboard which controls the mast setting-up and BMK-01 with telescopic mast indicates averaged measured weather parameters New model of doubled up mast 19.08.2008 Enviromis-2008 10

АМК -03 ultrasonic automated weather station and its possibilities… 9. Exmeteo Exmeteo- -01 01 expedition model expedition model 9. IMCES SB RAS It is the modification of the AMK-03P portable model with a storage of instantaneous values of the basic weather parameters in a logger The BSI-11 logger has the flash card (256 MB). Sensor sample rate is 40 Hz. GPS-navigator is used for the spatial and temporal referencing of measured weather parameters. Exmeteo-01 provides the continuous measurements during 5 calendar days. Exmeteo-01 network BSI-11 logger GPS-navigator Two DTR-15 thermometers are used as soil and/or water temperature sensors. There are the possibility of 6 analog sensors connection for the registration their results in BSI-11. 19.08.2008 Enviromis-2008 11