Abstract
Square-shaped pneumatic conveying pipes are used in some industrial processes, such as fuel injection systems in coal-fired power plants and circulating fluidized beds. However, a little research has been conducted to characterize the gas–solid two-phase flow in a square-shaped pneumatic conveying pipe. This paper presents mathematical modeling and experimental assessment of novel non-restrictive electrostatic sensor arrays for the measurement of pulverized fuel flow in a square-shaped pipe. The sensor arrays consist of twelve pairs of strip-shaped electrodes, which are uniformly embedded in the four flat pipe walls. An analytical mathematical model of the sensor arrays is established, and the induced charge and currents of different electrodes due to a point charge are then derived based on the model. Experimental tests were conducted on a 54-mm square-shaped pipe section of a pneumatic conveyor test rig under a range of flow conditions. The fuel velocity profile over the whole cross section of the pipe is measured. Mathematical modeling and experimental results demonstrate that the proposed non-restrictive electrostatic sensor arrays are capable of characterizing the local pulverized fuel flow in a square-shaped pneumatic conveying pipe.
Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
