Mita masu kwararar ultrasonic na iya auna ƙananan kwararar, amma tasirin aunawa ya bambanta bisa ga nau'ikan mita masu kwarara da takamaiman yanayin aikace-aikace. Da farko, yuwuwar ƙa'idar mita mai kwararar ultrasonic shine a ƙididdige ƙimar kwarara ta hanyar gano bambancin lokaci da canjin mita na raƙuman ultrasonic da ke yaɗuwa a cikin ruwa. Yana yiwuwa a ƙa'ida don auna ƙaramin kwarara. Bambancin lokaci Mita mai kwararar ultrasonic: Ka'idar ita ce a auna bambancin lokaci na yaɗuwar ultrasonic a cikin alkiblar sama da sama, don ƙididdige saurin ruwa da ƙimar kwarara. Ga ƙananan zirga-zirga, kodayake bambancin lokaci na iya zama ƙarami sosai, ta hanyar fasahar auna lokaci mai inganci da algorithms na sarrafa sigina, ana iya gano ƙananan canje-canje na lokaci, sannan ana iya ƙididdige ƙaramin ƙimar kwarara. Misali, wasu mita masu kwararar ultrasonic masu girma-daidaitaccen lokaci na iya auna ƙananan ƙimar kwarara kamar 'yan ml/min. A cikin dakin gwaje-gwaje, kayan aikin likita da sauran fannoni, don daidaitaccen ma'aunin ƙananan buƙatun kwarara suna da yawa, hanyar bambancin lokaci mita mai kwararar ultrasonic na iya biyan waɗannan buƙatun. Mita Mai Zurfin Ultrasonic na Doppler: Dangane da tasirin Doppler, ana tantance yawan kwararar ruwa da yawan kwararar ruwa ta hanyar auna canjin mitar raƙuman ultrasonic da aka watsa a cikin ruwan. Ga ruwaye da ke ɗauke da ƙananan ƙwayoyin cuta ko kumfa, ko da kuwa yawan kwararar ya yi ƙanƙanta, waɗannan ƙwayoyin cuta ko kumfa na iya haifar da watsawar raƙuman ultrasonic, don haka ana iya auna ƙaramin ƙimar kwarara ta hanyar hanyar Doppler. Misali, a wasu fannoni na likitanci, don auna yawan kwararar ruwa da ke ɗauke da ƙwayoyin cuta ko ƙananan ƙwayoyin cuta, Mita Mai Zurfin Ultrasonic na Doppler na iya taka rawa. Kodayake mita Mai Zurfin Ultrasonic na iya auna ƙananan ƙimar kwarara bisa ƙa'ida, har yanzu suna fuskantar wasu ƙalubale a aikace-aikace. Ƙarfin sigina da rabon sigina zuwa hayaniya: Ga ƙananan ƙimar kwarara, yaduwar siginar ultrasonic a cikin ruwan na iya raguwa sosai, wanda ke haifar da rauni a ƙarfin sigina. A lokaci guda, saboda kasancewar hayaniyar bango, rabon sigina zuwa hayaniya na iya raguwa, yana shafar daidaiton ma'aunin. Misali, a wasu ƙananan yanayi na auna kwarara, ana buƙatar na'urori masu auna yawan ji da fasahar sarrafa sigina na zamani don inganta ƙarfin sigina da rabon sigina zuwa hayaniya don tabbatar da amincin aunawa. Halayen ruwan, kamar danko, yawa, zafin jiki, da sauransu, suna da babban tasiri akan saurin yaɗuwa da rage ƙarfin ultrasonic. A cikin ƙananan ma'aunin kwarara, waɗannan canje-canje a cikin halayen ruwa na iya zama mafi mahimmanci, suna shafar daidaiton aunawa. Misali, ga ruwa mai yawan danko, saurin yaɗuwar ultrasonic zai yi jinkiri kuma za a ƙara matakin ragewa, kuma ana iya buƙatar daidaitawa da diyya na musamman na mitar kwarara don daidaitawa da halaye daban-daban na ruwa. Yanayin shigarwa da amfani: Abubuwa kamar matsayin shigarwa na mitar kwararar ultrasonic, yanayin bututun mai, da hanyar shigarwa na firikwensin suma za su shafi tasirin aunawa na ƙaramin ƙimar kwarara. Misali, shigarwa a cikin dogon matsayi na sashin bututun madaidaiciya na iya tabbatar da kwanciyar hankali na kwararar ruwa da inganta daidaiton aunawa; Shigarwa Kusurwar da nisan firikwensin suma suna buƙatar daidaita su bisa ga takamaiman yanayin don samun mafi kyawun sakamakon aunawa. Bugu da ƙari, a cikin tsarin amfani, ya zama dole a kula da guje wa tsangwama ta waje, kamar tsangwama ta lantarki, girgiza, da sauransu, waɗannan abubuwan na iya shafar aikin mitar kwarara na yau da kullun, wanda ke haifar da ƙaruwar kurakuran aunawa. A taƙaice, na'urorin auna kwarara na ultrasonic na iya auna ƙaramin kwarara, amma ya zama dole a zaɓi nau'in mitar kwarara da ya dace bisa ga takamaiman yanayin aikace-aikacen, kuma a kula don magance matsalar ƙarfin sigina, halayen ruwa da yanayin shigarwa da amfani don tabbatar da daidaito da amincin aunawa.
Lokacin Saƙo: Nuwamba-03-2024