DOI 10.17586/0021-3454-2017-60-1-45-52
UDC 681.586, 532 (075.8)
METROLOGICAL CHARACTERISTICS OF PRIMARY CONVERTER FOR MASS LIQUIDS FLOWMETER
Ulyanovsk State Technical University, Department of MeasuringComputing Complexes; Senior Lecturer
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Abstract. Metrological characteristics of a prototype of primary piezoelectric converter made of non-metallic material are studied. Mathematical methods are used to derive the conversion function of mass liquid flow into oscillation frequency as well as the developed converter sensitivity. Experimentally obtained dependencies of the metrological characteristics on the mass flow rate and transition process duration for water, milk, beer, and antifreeze-40 are demonstrated. The main sources of methodological errors for the converter are considered, and dependence of the absolute error on the mass flow rate of the water is presented.
Keywords: primary converter, conversion function, sensitivity, frequency of oscillations, experiment, accuracy
References:
References:
- Kremlevskiy P.P. Raskhodomery i schetchiki kolichestva veshchestv (Flowmeters and Counters of Amount of Substances), St. Petersburg, 2002, pt. 2, 412 р. (in Russ.)
- Gorbokonenko V.D., Shikina V.E. Datchiki i sistemy (Sensors and Systems), Proceedings of the International Conference, St. Petersburg, 2002, vol. 1. (in Russ.)
- Aronov B.S. Elektromekhanicheskie preobrazovateli iz p'ezoelektricheskoy keramiki (Electromechanical Converters from Piezoelectric Ceramics), Leningrad, 1990, 272 р. (in Russ.)
- Ganopol'skiy V.V., Kasatkin B.A., Legusha F.F. et al. P'ezokeramicheskie preobrazovateli (Piezoceramic transducers), Leningrad, 1984, 256 р. (in Russ.)
- Patent RU 2248529, Massovyy raskhodomer (Mass flowmeter), Gorbokonenko V.D., Shikina V.E., Chernyy A.V., 2005. Bulletin 8. (in Russ.)
- Malov V.V. P'ezorezonansnye datchiki (Piezoelectric Sensors), Moscow, 1989, 272 р. (in Russ.)
- Shikina V.E. University proceedings. Volga region. Technical sciences, 2014, no. 1, pp. 54–63. (in Russ.)
- Shikina V.E. Herald of Ulyanovsk State Technical University, 2013, no. 3, pp. 72–74. (in Russ.)
- Jaffe B., Cook W.R., Jaffe H. Piezoelectric ceramics, London, New York, Academic Press, 1971, 317 p.
- Shikina V.E. University proceedings. Volga region. Technical sciences, 2014, no. 4, pp. 93–101. (in Russ.)
- Sharapov V.M. P'ezoelektricheskie datchiki (Piezoelectric Sensors), Moscow, 2006, 632 р. (in Russ.)
- Rotta J.С., Turbulent Boundary Layers in Incompressible Flow, Progress in Aeronautical Sciences, Vol. 2, Boundary Layer Problems, Pergamon Press, 1962.
- Girgidov A.D. Mekhanika zhidkosti i gaza (gidravlika)(Mechanics of Liquid and Gas (Hydraulics)), St. Petersburg, 2002. 545 р. (in Russ.)
- Galitseyskiy B.M. Teplovye i gidrodinamicheskie protsessy v koleblyushchikhsya potokakh (Thermal and Hydrodynamic Processes in Oscillating Flows), Moscow, 1977, 256 р. (in Russ.)
