electrostatic sensor particle velocity

Velocity Measurement of Pneumatically Conveyed Particles ...

Feb 18, 2010· Abstract: This paper reports recent developments of electrostatic sensors for the continuous velocity measurement of particles in pneumatic conveying pipelines. The optimization of intrusive electrostatic sensors is investigated through finite-element modeling and experimental evaluation. The effects of electrode dimensions and intrusion depth on sensor signals and correlation-based velocity ...

Get Price

Chat With WhatsApp

Sensors | Free Full-Text | An Integrated Instrumentation ...

The electrostatic sensors are used for particle mean velocity measurement in combination with the cross-correlation technique, while the capacitance sensor with helical surface-plate electrodes, which has relatively homogeneous sensitivity distribution, is employed for the measurement of particle concentration and its capacitance is measured by ...

Get Price

Chat With WhatsApp

Electrostatic Sensor for Determining the Characteristics ...

Oct 04, 2019· Abstract: The minimum conveying velocity or the lowest point of pressure drop curve can reflect the characteristics of particles moving from deposition to suspension in pneumatic conveying. However, when the mass flow rate is low, the change of particles flow cannot be effectively reflected by the above methods. In this paper, based on a 4-arc electrode electrostatic sensor…

Get Price

Chat With WhatsApp

Spatial filtering characteristics of electrostatic sensor ...

The accuracy of local particle mean velocity measurement with spatial filtering method based on an electrostatic sensor matrix (ESM) is closely related to its sensitivity and spatial filtering characteristics. In this paper, the three-dimensional electrostatic field generated by a point charge in the sensing zone of the ESM is solved by using a finite element method to obtain the spatial ...

Get Price

Chat With WhatsApp

The spatial filtering method of particle velocity ...

Jul 02, 2019· An electrostatic sensor is a powerful tool for measuring flow parameters of gas-solid flow. In this study, a linear electrostatic sensor matrix (LESM) is designed to measure local particle average velocity within pipeline. The 3D simulation model of the LESM is built, and its spatial filtering effect is analyzed by the finite element method.

Get Price

Chat With WhatsApp

electrostatic_ - Google Search

filter, and the radial position, the axial length of the electrode, particle velocity and particle size have important effects on the temporal frequency characteristics of the measurement system. Comment: Different sizes of particles will induces different charge. 3 Characterization of electrostatic sensors …

Get Price

Chat With WhatsApp

Optimization of electrostatic sensor electrodes using ...

Jul 14, 2016· Xu C, Tang G, Zhou B, Wang S (2009) The spatial filtering method for solid particle velocity measurement based on an electrostatic sensor. Meas Sci Technol 20(4):045404. Article Google Scholar 8. Krabicka J, Yan Y Finite element modelling of intrusive electrostatic sensors for the measurement of pulverised fuel flows.

Get Price

Chat With WhatsApp

Velocity measurement of pneumatically conveyed solid ...

The paper proposes a method to measure the mean velocity of solid particles based on the spatial filtering effect of the electrostatic sensor. To determine the relationship between the spatial frequency characteristics of the sensor and solid particle velocity, a general formula is derived by analyzing quantitatively the spatial filtering characteristics of the electrostatic sensor along with ...

Get Price

Chat With WhatsApp

The spatial filtering method of particle velocity ...

An electrostatic sensor is a powerful tool for measuring flow parameters of gas-solid flow. In this study, a linear electrostatic sensor matrix (LESM) is designed to measure local particle average velocity within pipeline. The 3D simulation model of the LESM is built, and its spatial filtering effect is analyzed by the finite element method.

Get Price

Chat With WhatsApp

Spatial Selectivity of Linear Electrostatic Sensor Arrays ...

Sep 04, 2012· Abstract: The signal quality and accuracy of the spatial filtering method for solid particle velocity measurement based on a linear electrostatic sensor array (LESA) are dependent on the spatial filtering characteristics of the LESA and particle distribution in a pneumatic conveying pipeline. In this paper, the charge induced on a circular LESA with different geometric sizes from a single ...

Get Price

Chat With WhatsApp

Professional gas sensing solution supplier with over 30-year gas sensor manufacturing experience Contact Us