BENTLY NEVADA 20885-0當(dāng)油氣兩相流體經(jīng)過(guò)丘陵地形從個(gè)管段流到另管段時(shí),流動(dòng)特性會(huì)發(fā)生很大變化,在下凹處會(huì)有新的彈狀流產(chǎn)生,在上凸處彈狀流會(huì)消失;上游水平段已有的彈狀流流動(dòng)特性也發(fā)生變化,即使在下游彈狀流流型還能維持,但彈狀流的長(zhǎng)度會(huì)發(fā)生很大變化。這些實(shí)驗(yàn)發(fā)現(xiàn)和獲得實(shí)驗(yàn)數(shù)據(jù)對(duì)油氣混輸和分離器的設(shè)計(jì)有重要的工程意義。
BENTLY NEVADA 20885-0 本試驗(yàn)參數(shù)范圍為壓力絕對(duì)尸=13折算氣速嘆=030折算液速叫=02.1傾斜管段傾角2020變壓器經(jīng)濟(jì)運(yùn)行的實(shí)現(xiàn)與推廣楊如意唐高岳斌曹同亮長(zhǎng)期以來(lái),人們以變壓器的容量利用率衡量變壓器的使用效果,忽略了對(duì)變壓器技術(shù)優(yōu)劣,變壓器運(yùn)行方式的及變壓器負(fù)載調(diào)整等,進(jìn)行理論分析和計(jì)算,尋求有效方式,實(shí)現(xiàn)達(dá)到變壓器的經(jīng)濟(jì)運(yùn)行。
BENTLY NEVADA 20885-0 西部大,發(fā)科教先行與可持續(xù)發(fā)展由于變壓器間的技術(shù)參數(shù)如空載電流空載損耗短路電壓短路損耗等存在著較大的差異,所以對(duì)于單臺(tái)運(yùn)行的變壓器想達(dá)到經(jīng)濟(jì)運(yùn)行就必須選擇技術(shù)特性優(yōu)效益高的變壓器,而對(duì)于多臺(tái)變壓器的多種運(yùn)行方式,須從中選擇損耗最小也就是減少變壓器的有功功率損耗無(wú)功功率需要和綜合功率損耗運(yùn)行方式為經(jīng)濟(jì)運(yùn)行方式。
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