Turbine flow meter with increased metrological reliability

2021 ◽  
pp. 24-29
Author(s):  
А.В. Гладков
Keyword(s):  
Control System ◽  
Magnetic Induction ◽  
Frequency Stabilization ◽  
Conversion Function ◽  
Metrological Reliability ◽  
Crystal Oscillator ◽  
Flow Meter ◽  
Zener Diode ◽  
Induction Converter ◽  
Turbine Flow Meter

Рассматривается турбинный расходомер применяющийся в качестве элемента бортовой системы управления объектов космической, авиационной, судовой техники для контроля расхода рабочих жидкостей, в котором преобразование частоты в напряжение осуществляется путем сглаживания импульсов с постоянной вольт-секундной площадью, формируемых из сигнала магнитоиндукционного преобразователя. Величина площади задается с помощью генератора с кварцевой стабилизацией частоты и прецизионного стабилитрона. Показывается, что функция преобразования расходомера остается неизменной в течение всего срока эксплуатации. Описывается встроенная схема самодиагностики, обеспечивающая автоматизированную проверку метрологической исправности расходомера в процессе эксплуатации. The article considers a turbine flow meter used as an element of the on-board control system of objects of space, aviation, ship equipment to control the flow of working fluids, in which the conversion of frequency into voltage is carried out by smoothing pulses with a constant volt-second area formed from the signal of a magnetic induction converter. The size of the area is set using a crystal oscillator with frequency stabilization and a precision zener diode. It is shown that the conversion function of the flow meter remains unchanged throughout the life of the meter. A built-in self-diagnosis circuit is described, which provides an automated check of the metrological serviceability of the flow meter during operation.

scholarly journals Measurement of Oil Consumption by Turbine Flow Meters in Conditions of Wax Deposition

2021 ◽  
Vol 2096 (1) ◽  
pp. 012065
Author(s):  
A N Krasnov ◽  
M Yu Prakhova ◽  
Yu V Novikova
Keyword(s):  
Production Control ◽  
Metrological Reliability ◽  
Oil Consumption ◽  
Measuring Line ◽  
Wax Deposition ◽  
Flow Meter ◽  
Well Production ◽  
Almost All ◽  
Wax Deposits ◽  
Turbine Flow Meter

Abstract Commercial metering of oil is performed at almost all stages of the life cycle, from well production control to the transfer of the produced oil to the end customer. In most cases, special systems for measuring the quantity and quality of commercial oil (SIQO) are used for this. If such a system implements an indirect dynamic measurement method, then a turbine flow meter is most often a means of measuring volumetric flow. Its accuracy depends on many external factors, including wax deposits on the inner surface of the measuring pipeline and on the elements of the flow meter itself. The article investigates the influence of the thickness of the paraffin layer on the error value of the turbine flow meter. It is shown that the decrease in metrological reliability occurs mainly due to the appearance of a paraffin layer in the measuring line itself. It is proposed to determine the timing of the metrological characteristics verification by indirect parameters, in particular, by the change in pressure in the measuring line.

Analysis of a Turbine Flow Meter Calibration Curve using CFD

2015 ◽  
Author(s):  
Carl Tegtmeier ◽  
Phuriwat Anusonti-Inthra ◽  
James Winchester
Keyword(s):  
Calibration Curve ◽  
Flow Meter ◽  
Turbine Flow Meter

scholarly journals Design, simulation and practical experimentation of miniaturized turbine flow sensor for flow meter assessment

2019 ◽  
Vol 8 (3) ◽  
pp. 777-788
Author(s):  
Salami Ifedapo Abdullahi ◽  
Mohamed Hadi Habaebi ◽  
Noreha Abd Malik
Keyword(s):  
Flow Simulation ◽  
Input Voltage ◽  
Flow Sensor ◽  
Data Logging ◽  
Sensors And Actuators ◽  
Flow Meter ◽  
Daily Lives ◽  
Automatic Data ◽  
3D Cad ◽  
Turbine Flow Meter

Flow sensors are very essential in many aspects of our daily lives. Many of the industrial processes need a very consistent flow sensor to monitor and check for irregularities in their system. Therefore, flow sensor is an important tool for advanced operation in industrial environment. In this paper, the design and development of a 3D fabricated flow sensor was carried out using SolidWork 3D CAD. SolidWork Flow Simulation was used to model the effect the turbine flow sensor would have on a constant flowing water while MATLAB Simulink flow graph was created to visualize the effect of turbine flow sensor response with voltage input. Afterwards, the design was 3D printed using UP Plus 2 3D printer. The experimentation involved selection of sensors, coding to control the turbine flow sensor and automatic data logging and storage. During the design phase, the sensors and actuators were assembled using locally sourced material. Subsequently, under controlled laboratory environment, the turbine flow sensor was tested using a DC motor which was programmed to control the revolution per minute(rpm) of the turbine flow sensor. The rpm and velocity of the turbine flow meter was measured and stored in a database via Microsoft Excel using Cool Term Software. A total number of 517 readings were analysed to evaluate the performance of the turbine flow sensor. The result shows that the turbine flow meter is responsive to the motor input voltage and yielded accurate measurement of rpm and velocity of turbine flow meter.

Optimization of Prism Laser Gyros Frequency Stabilization Control System

2018 ◽  
Vol 45 (6) ◽  
pp. 0601003
Author(s):  
陶渊博 Tao Yuanbo ◽  
李四海 Li Sihai
Keyword(s):  
Control System ◽  
Frequency Stabilization ◽  
Stabilization Control

A static turbine flow meter with a micromachined silicon torque sensor

2003 ◽  
Vol 12 (6) ◽  
pp. 937-946 ◽  
Author(s):  
N. Svedin ◽  
E. Stemme ◽  
G. Stemme
Keyword(s):  
Torque Sensor ◽  
Flow Meter ◽  
Turbine Flow Meter

Automobile Air-Conditioner Control System Based on STC12C5A60S2 Single-Chip Microcontroller

2012 ◽  
Vol 614-615 ◽  
pp. 635-639
Author(s):  
Shu Sheng Xiong ◽  
Lian Xie ◽  
Sheng Kai Zhou ◽  
Xiao Shuai Ren ◽  
Jin Xu
Keyword(s):  
Control System ◽  
Software Design ◽  
Hardware Design ◽  
Conversion Function ◽  
Air Conditioner ◽  
Single Chip ◽  
Important Indicator ◽  
Automobile Air Conditioner ◽  
High Control ◽  
Control Accuracy

Recent years, automobile air-conditioner control system is particularly important as the automobile air-conditioner is becoming an important indicator to measure the comfort of a car. This paper introduces the hardware and software design of the system based on STC12C5A60S2 microcontroller.The hardware design part includes the circuits design of motor and fan, and the software design part describes the way to realize the modes conversion function. Experiments show that the automobile air-conditioner system can reach high control accuracy and it's practical.

A Turbine Flow Meter for Multiphase Flow

2004 ◽  
Author(s):  
Zh.Y. Li ◽  
H. Kitami ◽  
H. Kawaoto ◽  
T. Watanabe
Keyword(s):  
Multiphase Flow ◽  
Flow Meter ◽  
Turbine Flow Meter

Experiment and Numerical Simulation Study on the Viscosity Impact of Turbine Flowmeter's Performance

2011 ◽  
Vol 301-303 ◽  
pp. 1283-1288 ◽  
Author(s):  
Jian Liang Zhao ◽  
Li Jun Sun ◽  
Tao Zhang ◽  
Lei Cao
Keyword(s):  
Measurement Accuracy ◽  
Great Influence ◽  
Light Weight ◽  
Measuring Instrument ◽  
Flow Meter ◽  
Precision Measuring ◽  
Good Repeatability ◽  
Computational Fluid Dynamics Cfd ◽  
Viscosity Fluid ◽  
Turbine Flow Meter

Turbine flow meter is a very significant measuring instrument. As an important flow meter, turbine meter is widely used in many fields for its high accuracy, good repeatability, small size and light weight. However, with the viscosity of the measurement fluid increasing, the measured variation of the linearity becomes bad, which makes great influence on the meter factor. In this paper, the experiment on the viscosity impact of turbine flowmeter's performance was completed by adjusting the temperature of the mixture of diesel and lubricants, i.e. changing medium viscosity. And the methods of computational fluid dynamics (CFD) numerical simulate were used to research the accuracy of the turbine flow meter in the same conditions. According to the comparison of the two methods, the influence of the turbine flowmeter’s precision measuring fluids with different viscosities was analyzed. It provides a data basement for improving the measurement accuracy of a certain viscosity fluid in the future.

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