Muchikamu chekuyera kuyerera kwemvura munzvimbo dzakavhurika, mita dzemagetsi dzinoyerera mvura dzagara dzichizivikanwa senzira yakavimbika uye inodhura zvishoma, inoshandiswa zvakanyanya muzvikamu zvemadhorobha, maindasitiri, uye zvekutarisa nharaunda. Dzichizivikanwa nechimiro chadzo chiri nyore, kushanda kwakasimba, uye kutevedzera mitemo yekuyera yepasi rose, mita dzemagetsi idzi dzinoita basa rakakosha mukuyeresa kuyerera kwemvura nezvimwe zvinwiwa mumigero yakavhurika senge nzizi, migero, uye masisitimu ekudhonza mvura. Chinyorwa chino chinotarisa zvakanakira zvikuru, mashandisirwo akasiyana-siyana, zvinodiwa zvakakosha pakusarudza, uye zvakakosha pakuchengetedza mita dzemagetsi dzinoyerera mvura, zvichiratidza basa radzo risingatsiviwi mukutarisira zviwanikwa zvemvura uye kutonga mashandiro emaindasitiri.
Chimwe chezvakanakira zvema "standard flume flowmeters" chiri mukutevedzera magadzirirwo akajairika uye nzira dzekuyera dzakakura. Kusiyana nemidziyo yekuyera kuyerera yakagadzirwa, ma "standard flumes" - akadai seParshall flumes, Venturi flumes, uye rectangular weirs - anotevera zvinodiwa pasi rose (semuenzaniso, ISO, ASTM standards), zvichiita kuti kuyerwa kuenderane uye kuenzana kuite mumashandisirwo akasiyana. Kuyerwa uku kunorerutsa kuyerwa, kunoderedza zvikanganiso zvekuyera, uye kunoita kuti mitemo itevedzerwe, zvichiita kuti ive sarudzo inosarudzwa yezviitiko zvinoda ruzivo rwekuyerera, senge kuongororwa kwezvakatipoteredza uye mapurojekiti ekugovera zviwanikwa zvemvura. Pamusoro pezvo, chimiro chavo che "mechanical" chiri nyore, chisina zvikamu zvinofamba, chinoderedza njodzi yekusakara, kuvharika, kana kutadza kwe "mechanical", zvichiita kuti kushanda kwenguva refu kugadzikane kunyangwe munzvimbo dzakaoma dzine mvura ine sediment kana marara.
Mashandisirwo ema "standard flume flowmeters" akakura, achibatanidza matunhu emakanzuru, maindasitiri, ezvekurima, uye ezvakatipoteredza. Mukutarisira mvura yemakanzuru, anoshandiswa zvakanyanya muzviteshi zvekuchenesa tsvina kuti atarise kuyerera kwemvura ine simba uye inoyerera, achipa ruzivo rwakakosha rwekugadzirisa maitiro ekurapa uye kuona kuti mitemo yekuburitsa mvura inoenderana nezvinodiwa. Semuenzaniso, ma "Parshall flumes", ane kuyera kwakanaka kwekuyerera kwemvura mumamiriro ekuyerera kwemvura ari pasi pe "subcritic" uye "supercritical", anowanzoiswa mumigero yemvura kuti atevere kushanda kwemvura uye atarisire zviwanikwa zvemvura zvinobudirira. Mumasisitimu ekudiridza ekurima, ma "standard flumes" anoita basa rakakosha mukuyera kugoverwa kwemvura, kubatsira varimi kugadzirisa hurongwa hwekudiridza, kuderedza marara emvura, uye kuvandudza kushanda kwemvura - zvakanyanya kukosha munzvimbo dzakaoma uye dzisina mvura yakawanda.
Munzvimbo dzemaindasitiri, ma "flume flowmeters" anoshandiswa kutarisa kuyerera kwemvura yakasviba yemumaindasitiri, mvura inotonhodza, uye kugadzirisa tsvina. Maindasitiri akadai sekuchera migodhi, kugadzira mapepa, uye kugadzira chikafu, ayo anogadzira mvura yakasviba yakawanda ine zvidimbu zvakasimba kana zvinhu zvinonamira, anobatsirwa nekusagona kwema "flume" kuvharika uye zvinodiwa zvishoma zvekuchengetedza. Mukutarisa zvakatipoteredza, ma "flowmeters" aya anoshandiswa mumipata yenzizi, madhamu, nenzvimbo dzemahombekombe kuyera mwero wekuyerera kwemvura pamusoro, kutsigira tsvakiridzo yemvura, kufanotaura mafashamo, uye kuongororwa kwemhando yemvura. Semuenzaniso, ma "rectangular weirs" anowanzoiswa munzizi diki kuti aunganidze data rekuyerera kwenguva refu, zvichibatsira mukudzivirira nharaunda dzemumvura uye kugadzirisa njodzi dzine chekuita nemvura.
Kusarudza muchina wekufambisa mvura weFlume wakakodzera kunoda kunyatsofungisisa zvinhu zvakakosha kuti uve nechokwadi chekuti unoshanda zvakanaka. Chekutanga, mhando yeFlume inofanira kuenderana nemamiriro emugero uye huwandu hwekuyerera kwemvura. MaFlume eParshall akakodzera huwandu hwekuyerera kwemvura yakakura uye nzira dzakafara, nepo maFlume eVenturi akakodzera kushandiswa munzvimbo shoma uye zvinodiwa nekururama kwakanyanya. Kune rumwe rutivi, maWeirs ane rectangular anonyanya kufarirwa kune huwandu hwekuyerera kwemvura hudiki kusvika pakati nepakati mumakwara akamanikana. Chechipiri, saizi yeFlume inofanira kusarudzwa zvichienderana nehuwandu hwemvura hunotarisirwa uye hushoma hunotarisirwa kuti ive nechokwadi chekuti kuyerera kwemvura kunoramba kuri mukati mehuwandu hwemvura hwakakwana, kudzivirira kusarongeka kunokonzerwa nekuyerera kwemvura kana kuwanda kwemvura. Pamusoro pezvo, nzvimbo yekuisa inofanira kufungwa nezvayo—maFlume akaiswa munzvimbo dzekunze anogona kuda zvinhu zvinodzivirira ngura (senge simbi isina ngura kana fiberglass) kuti zvikwanise kutsungirira kutonhora kwemvura uye ngura yemakemikari kubva panzvimbo yakayerwa.
Kuchengetedza kwakakodzera kwakakosha kuti zvive nechokwadi chekuti ma "flume flowmeters" akajairika akavimbika uye akarurama kwenguva refu. Kuongororwa nguva dzose kunofanirwa kuitwa kubvisa madhaka, marara, uye zvirimwa zvemumvura zvinogona kuungana mu "flume", sezvo izvi zvinogona kukanganisa maitiro ekuyerera kwemvura uye kukanganisa mhedzisiro yekuyera. Huro ye "flume", madziro, uye chigadziko che "weir" zvinofanirwa kuongororwa kuti hazvina kupfeka, kukuvara, kana kuchinja, uye chero zvikanganiso zvinofanirwa kugadziriswa nekukurumidza. Kuongororwa, zvichienderana nemirairo yemugadziri uye zviyero zvakakodzera, kwakakoshawo - kuongororwa nguva nenguva kunovimbisa kuti "flowmeter" inoramba ichipa data rakarurama, kunyanya mushure mekushandiswa kwenguva refu kana shanduko huru muhunhu hwe "medium" yakayerwa.
Mukupedzisa, zviyero zvemagetsi zvinoyerera zvinoonekwa semhinduro inoshanda uye yakavimbika yekuyera kuyerera kwemvura munzvimbo dzakavhurika, zvichipa mashandiro akajairwa, kushanda kwakafara, uye zvinodiwa zvishoma zvekuchengetedza. Basa ravo mukutarisira zviwanikwa zvemvura, kudzora mashandiro emaindasitiri, uye kutarisa nharaunda zvakakosha, zvichibatsira mukushandiswa kwemvura zvakanaka, kutevedzera mitemo, uye kuchengetedzwa kwenharaunda. Sezvo kutarisisa kwepasi rose kuchengetedzeka kwemvura nekuvandudzwa kwakasimba kuri kukura, zviyero zvemagetsi zvinoyerera zvicharamba zviri musimboti wetekinoroji yekuyera kuyerera kwemvura, zvichichinjika kune zvinodiwa neindasitiri zvichiramba zvichichengetedza zvakanakira zvavo zvikuru zvekureruka, kuvimbika, uye kururama.
Nguva yekutumira: Ndira-08-2026