气固两相流静电相关测速参数选取方法李良.pdf

　»60 　»3ù　 　Ä　ý　Ð　　　　 　　　　Vol.60　No.32009M3　 　CIESC　Journal　 　　M arch　2009ùîe%M@áÈM1©Î•”Ê|ZE李　良1,2, 王　超1, 张文彪1, 闫　勇3(1?ÃgVñ_©Ð eÅ×ÄLi,?ÃvÐÈÐ1îÄýñÐý,?Ã300072;2¢ÜÈ0ýñÐn,Š2¢Ü450007;3 Department of Electronics, University of Kent, Canterbury, Kent C T2 7NT, UK)1oM:áÈM1©Î;%M@;"Ôq;sHW;LÜûÏms Ë|:TP 212.1　　　　　　ÓDSM’:AÓcI|:0438-1157(2009)03-0615-05Parameter selection method of elect rostatic correlationvelocimetry for gas-solids flowLI Liang1,2, WANG Chao1 , ZH ANG Wenbiao1, YAN Yong3(1 Tianjin Key Laboratory of Process Measurement and Control, Schoolof Electrical Engineering &Automation,Tianjin University , Tianjin 300072, China;2 Zhengzhou Electronic &Information Engineering School,Zhengzhou 450007, Henan, China;3 Department of Electronics, University of Kent,Canterbury, Kent CT2 7N T, UK)Abstract:Aimed at the lack of systematic parameter selection reference in the electrostatic correlationbased velocity measurement, the principle and steps in choosing the sampling frequency and integral timewere established, w hich took the analysis in the m easurement error of transit time and the real applicationrequirement into account.Besides, an experim ent platform w as built by using the real sensor and virtualinstrument softw are.U sing this platform, the principle in selecting the parameters in the electrostaticcorrelation based velocity measurem ent w as proven.Key w ords:electrostatic correlation velocimetry;gas-solids flow ;sampling frequency ;integral time;experiment platform2008-08-12lžà, 2008-11-11lž©¿à。

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