旋渦進(jìn)動(dòng)流量計(jì)傳感器的安裝對測量的影響

用自行設(shè)計(jì)的流量計(jì)實(shí)驗(yàn)臺, 對50 mm 口徑旋渦進(jìn)動(dòng)流量計(jì)上不同的壓電式壓力傳感器安裝方式進(jìn)行了試驗(yàn)L 結(jié)果表明, 傳感器安裝對測量結(jié)果有顯著影響L 并給出了較佳的傳感器安裝方式和傳感器的設(shè)計(jì)準(zhǔn)則L
關(guān)鍵詞: 旋渦進(jìn)動(dòng)流量計(jì); 壓電傳感器; 流體振動(dòng); 安裝方式; 設(shè)計(jì)原則
Abstract: A <50 mm p ro to type sw irlm eter is developed fo r the experience in st rum en t designed. Experim en t s w ere perfo rm ed to study set t ing m ethod of sen so r inf luence on m easu re of sw irlm e2 ter. Two ax isymm et rical set t ing p iezoelect ric p ress sen so rs ob tained the velocity p ressu re signals of vo rtex p recession in sw irlm eter. M ajo r f indings in experience are described as fo llow s. F irst, the set t ing m ethod of p iezoelect ric p ressu re sen so r inf luence on sw irlm eter m easu re is clear. Sec2 ond, the best set t ing of p iezoelect ric p ressu re sen so r in sw irlm eter and m ethod of design sen so r are advanced.
Key words: sw irlm eter; p iezoelect ric p ressu re sen so r; f lu id o scillat ion; set t ing m ethod; design p rincip le