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HYDRAULICS. ENGINEERING HYDROLOGY. HYDRAULIC ENGINEERING

Measurement method applicable to the liquid level in elevation meters

Vestnik MGSU 11/2014
  • Ambartsumyan Petros Vardgesovich - Yerevan State University of Architecture and Construction (YSUAC) Doctor of Technical Sciences, Associate Professor, Dean, Construction Department, Yerevan State University of Architecture and Construction (YSUAC), 105a Teryan str, Yerevan, 3750009, Armenia; This e-mail address is being protected from spambots. You need JavaScript enabled to view it .
  • Palikyan Frunz Akopovich - Yerevan State University of Architecture and Construction (YSUAC) postgraduate student, Department of Engineering Geodesy, Yerevan State University of Architecture and Construction (YSUAC), 105a Teryan str, Yerevan, 3750009, Armenia; This e-mail address is being protected from spambots. You need JavaScript enabled to view it .

Pages 137-144

The co-authors offer a new method designated for the measurement of the liquid level inside hydrostatic and hydrodynamical elevation meters. This innovative leveling method prevents any temperature influence on the measurement results in each vessel, although the temperature inside the vessels does not need to be measured. The result is reduced to the base temperature value inside each vessel. Another strength of this method consists in its insensitivity to the liquid temperature in the vessels or to the difference of temperatures. Moreover, there is no need to be aware of the function describing the temperature to density correlation, whereas the accuracy that ensures the prevention of any influence of the temperature-induced error is solely determined by the accuracy of the liquid level registration alongside the top edge of the float. Besides, the temperature range being measured is unimportant, although it must remain within the limits that assure the preservation of the water properties (to prevent boiling, freezing, etc.).

DOI: 10.22227/1997-0935.2014.11.137-144

References
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