Ulwelo oluneziqwenga okanye amaqamza axhonyiweyo
I-Doppleriimitha zokuhamba kwe-ultrasoniczilungele ngokukodwa ukulinganisa ukuhamba kwamanzi aqulethe izinto eziqinileyo ezixhonyiweyo okanye amaqamza egesi. Kwiinkqubo zoshishino ezifana nokwemba, apho i-slurry (umxube wamanzi kunye namaqamza aqinileyo) ithuthwa ngemibhobho, ezi mitha zinokulinganisa ngokuchanekileyo isantya sokuhamba. Amaqamza aqinileyo kwi-slurry, anokuhluka ukusuka kwimibhobho emincinci ukuya kwiinkozo ezinkulu, asebenza njengezinto ezibonisa amaza e-ultrasonic. Njengoko i-slurry ihamba, amaqamza abangela utshintsho lwe-Doppler kwisantya semiqondiso ye-ultrasonic ebonakalisiweyo. Ngokufanayo, kwizityalo zonyango lwamanzi amdaka, ubukho bezinto ezahlukeneyo eziphilayo ezixhonyiweyo kunye nenkunkuma eqinileyo kuvumela i-Doppler ultrasonic flow metres ukuba isebenze ngokufanelekileyo. Amaqamza anokusingatha ukwakheka okuntsonkothileyo nokuhlala kutshintsha kwamanzi amdaka, ebonelela ngemilinganiselo ethembekileyo yesantya sokuhamba kwamanzi ukuze kulawulwe inkqubo yonyango ngokufanelekileyo. Kwishishini leoyile negesi, ngexesha lokuveliswa kweoyile, ulwelo ludla ngokuba namaqamza egesi. Amaqamza okuhamba kwe-ultrasonic e-Doppler anokulinganisa ngokuchanekileyo ukuhamba kwamanzi anjalo amaninzi, ethathela ingqalelo igalelo lamanqanaba olwelo kunye negesi kukuhamba ngokubanzi.
Ukuhamba kwiitshaneli ezivulekileyo
Ezi mitha zokuhamba kwamanzi zikwasebenza nakwiindlela ezivulekileyo zokuhamba kwamanzi, njengakwimilambo, kwiindlela zokunkcenkceshela, nakwiindlela zokuhambisa amanzi emvula. Ekujongeni umlambo, iimitha zokuhamba kwamanzi ze-Doppler ultrasonic zingafakwa kwiibhulorho okanye kwiibhanki zomlambo. Ukuhamba kwendalo komlambo, okunokuthwala amasuntswana e-sediment, kubonelela ngezinto ezifunekayo zokusasazeka kwamanzi e-ultrasonic. Ngokulinganisa ukutshintsha kwe-Doppler kwamaza abonakalisiweyo, isantya sokuhamba kwamanzi kwiindawo ezahlukeneyo ngaphesheya kwecandelo lomnqamlezo womlambo sinokumiselwa. Olu lwazi lungasetyenziselwa ukubala isantya sokuhamba kwamanzi e-volumetric yomlambo. Kwiinkqubo zokunkcenkceshela, apho amanzi asasazwa khona ngeendlela ezivulekileyo,Iimitha zokuhamba kwe-Doppler ultrasonickunceda ekulinganiseni ngokuchanekileyo ubungakanani bamanzi athunyelwa emasimini. Oku kubalulekile ekulawuleni kakuhle amanzi nokuqinisekisa ukuba izityalo zifumana ubungakanani bamanzi obufanelekileyo. Kulawulo lwamanzi emvula ezidolophini, iimitha zingasetyenziselwa ukujonga ukuhamba kwamanzi emvula kwimisele yamanzi, edla ngokuba nenkunkuma kunye nenkunkuma, nto leyo evumela ucwangciso olungcono kunye nolawulo lwamanyathelo okuthintela izikhukula.
Ukuhamba kwesantya esiphezulu
Iimitha zokuhamba kwe-Doppler ultrasonicinokulinganisa ngokufanelekileyo ukuhamba kolwelo olunesantya esiphezulu. Kwimisebenzi yemizi-mveliso efana nezityalo zamandla ombane, apho amanzi akhutshwa ngesantya esiphezulu ngeepenstocks ukuqhuba iiturbines, ezi mitha zinokulinganisa ngokuchanekileyo isantya sokuhamba. Amanzi anesantya esiphezulu aqulathe amaqamza omoya amancinci afakwe ngexesha lenkqubo, asebenza njengezinto ezibonisa amaza e-ultrasonic. Amandla eemitha zokuhamba kwe-Doppler ultrasonic ukuphatha ukuhamba kolwelo olunesantya esiphezulu ngaphandle kokulahleka okukhulu kokuchaneka kuzenza zibe sisixhobo esibalulekileyo kwiimeko ezinjalo zokuvelisa amandla. Kwezinye iinkqubo zeekhemikhali, ukuhamba kolwelo olunesantya esiphezulu okanye olurhabaxa kuqhelekile. Indlela engangeneleli ngayo i-Doppler ultrasoniciimitha zokuhamba(njengoko zihlala zifakelwa ngaphandle kumbhobho okanye kwitshaneli) zizenza zifaneleke ukulinganisa la manzi ahamba ngesantya esiphezulu, njengoko zingenakonakaliswa kukwaphuka okuya kuchaphazela iimitha zokuhamba zemveli ezikwimigca.
Iimeko Ezinzima Zendalo
Ziyakwazi nokusebenza kwiimeko ezinzima zokusingqongileyo. Kwiimeko zoshishino ezinamaqondo obushushu aphezulu, njengakwii-steel mills apho ubushushu obuphakathi bunokuba phezulu kakhulu, okanye kwimisebenzi yeoyile negesi ye-Arctic apho ubushushu buphantsi kakhulu, ii-Doppler ultrasonic flow meters zinokusebenza ngokuthembekileyo. Ulwakhiwo lwazo oluqinileyo kunye nenyaniso yokuba azifuni ukudibana ngqo nolwelo (ngaphandle kwee-ultrasonic transducers ezinokwenziwa ukumelana neemeko ezinzima) zenza zifaneleke kwezi ndawo. Ukongeza, kwiindawo ezinamazinga aphezulu okuphazamiseka kwe-electromagnetic, ezifana nee-transformers zombane ezikufutshane okanye kwizityalo zoshishino ezineenjini ezininzi zombane,Iimitha zokuhamba kwe-Doppler ultrasonicZingakhuseleka ukuqinisekisa ukusebenza ngokuchanekileyo. Zingasetyenziswa nakwiindawo apho ulwelo lunokubola, lo gama nje ii-transducers ze-ultrasonic zenziwe ngezinto ezifanelekileyo ezimelana nokubola.
Ukuququmbela,Iimitha zokuhamba kwe-Doppler ultrasonicZiyakwazi ukuguquguquka kwaye zifumaneka kwiimeko ezahlukeneyo zokusebenza, ukusuka ekuphatheni ulwelo olunento exhonyiweyo ukuya ekusebenzeni kwiindawo ezinzima kunye nokulinganisa ukuhamba kwesantya esiphezulu kwiimeko ezahlukeneyo zoshishino kunye nokusingqongileyo.
Ixesha leposi: Februwari-24-2025