Title :
Field mill and its application for measuring the mass flow rate
Author :
Gajewski, Juliusz B. ; Kacprzyk, Ryszard ; Zuk, Jan
Author_Institution :
Tech. Univ. of Wroclaw, Poland
Abstract :
An experimental study is presented which is designed to determine whether or not a field mill can be utilized for the continuous, noncontact, and real-time monitoring of the mass flow rate of particulates pneumatically conveyed in pipes. The mass flow rate is proportional to the electric charge of solid particles generated during their flow in pipes. The continuous measurement of electric charge value is carried out on the basis of electrostatic induction and with the aid of typical electrometric preamplifiers and measuring systems. The authors discuss the proposal and trial of a measuring system in which a field mill is employed, and which causes a conversion of the DC or relatively slow varying stochastic potential into the voltage measured. Some preliminary test results are presented
Keywords :
computerised instrumentation; electric charge; electrostatics; flow measurement; real-time systems; voltage measurement; application; continuous measurement; electric charge; electrometric preamplifiers; electrostatic induction; field mill; mass flow rate; measuring systems; particulates; pipes; real-time monitoring; solid particles; stochastic potential; voltage measurement; Charge measurement; Current measurement; Electric variables measurement; Electrostatic induction; Electrostatic measurements; Fluid flow measurement; Induction generators; Milling machines; Monitoring; Solids;
Conference_Titel :
Industry Applications Society Annual Meeting, 1993., Conference Record of the 1993 IEEE
Conference_Location :
Toronto, Ont.
Print_ISBN :
0-7803-1462-X
DOI :
10.1109/IAS.1993.299082
