Pakuyera kuyerera kwenzira yakavhurika, nzira mbiri dzinowanzo shandiswa ndedze velocity area method uye weir uye channel method. Nzira dzese dziri mbiri dzine hunhu hwakasiyana uye mashandisirwo adzo, uye kunzwisisa kusiyana kwadzo kwakakosha pakusarudza tekinoroji yekuyera kuyerera kwakakodzera kune imwe mamiriro ezvinhu.
Chiyero chekuyerera kwenzvimbo yekumhanya:
Nzira ye velocity area, inozivikanwawo se float method, inzira inoshandiswa zvakanyanya pakuyera open channel flow. Nzira iyi inosanganisira kuyera velocity yemvura inoyerera nepakati penzvimbo dzakasiyana dze channel wobva waverenga flow rate zvichibva panzvimbo ye cross-sectional ye channel.
Chimwe chezvinhu zvakakosha zvenzira yekukurumidza kwenzvimbo kushandisa flow meter, inova mudziyo unoyera kumhanya kwemvura. Nzira iyi inoshandisa mhando dzakasiyana dzeflow meter, dzinosanganisira electromagnetic, ultrasonic, uye mechanical flow meter. Midziyo iyi inoiswa panzvimbo dzakasiyana-siyana muchiteshi kuti itore data rekukurumidza, iro rinozoshandiswa kuverenga kumhanya kwemvura.
Nzira yekukurumidza kwenzvimbo yakakodzera kushandiswa kwakasiyana-siyana kwemvura yakavhurika, kusanganisira nzizi, hova, uye nzira dzekudiridza. Inopa chiyero chakarurama uye chakavimbika chekuyerera kwemvura, zvichiita kuti ive sarudzo inozivikanwa kune akawanda mapurojekiti ekutarisira mvura nekuchengetedza nharaunda.
Chiyero chemvura chinoyerera muchiteshi cheWeir:
Kune rumwe rutivi, nzira yemvura inoyerera negwara ndeimwe nzira inoshandiswa zvakanyanya pakuyera kuyerera kwegwara rakavhurika. Nzira iyi inosanganisira kushandisa weir, chivakwa chakaiswa pamharadzano kuti chigadzire mamiriro chaiwo ekuyerera kwemvura. Mwero wemvura kumusoro kwegwara unoyerwa uye kubuda kwayo kunoverengwa zvichienderana nehunhu hwegwara uye mwero wemvura.
Matanda emvura anogona kuuya mumhando dzakasiyana-siyana uye saizi, kusanganisira matanda emvura ane V-notch, matanda erectangular, uye matanda emvura ane trapezoidal, rimwe nerimwe rakagadzirirwa kushandiswa kwaro pakuyera kuyerera kwemvura. Nzira yematanda emvura nechiteshi inonyanya kubatsira apo mamiriro ekuyerera kwemvura anogona kugadzirwa zvinoenderana uye zvinofanotaurwa, zvichibvumira kuverenga kuyerera kwemvura nemazvo.
Kusiyana uye mashandisirwo:
Musiyano mukuru uripo pakati penzira ye velocity area nenzira ye weir ne channel inzira inoshandiswa kuyera flow rate. Nzira ye velocity-area inotarisa pakubata water velocity panzvimbo dzakasiyana mu channel, nepo weir-channel method ichishandisa weir structure kugadzira flow conditions chaiyo.
Sarudzo pakati penzira mbiri idzi inoenderana nezvinodiwa chaizvo pakuyera kuyerera kwemvura. Nzira yenzvimbo yekumhanya yakakodzera mamiriro ezvinhu apo kuyerwa kwemvura nguva dzose, kwenguva chaiyo, kunodiwa, senge nzvimbo dzemvura dzechisikigo uye nzira dzekudiridza. Nzira yemvura nedzemugero, kune rumwe rutivi, yakakodzera mamiriro ezvinhu apo mamiriro ekuyerera kwemvura anogona kugadzwa, akadai senzvimbo dzekuchenesa mvura yakasviba uye nzira dzekuburitsa mvura mumaindasitiri.
Mukupedzisa, nzira yekukurumidza uye nzira yeweir neyemugero inzira dzinokosha dzekuyera kuyerera kwemugero wakavhurika. Kunzwisisa musiyano uripo pakati penzira idzi nemashandisirwo adzo kwakakosha pakusarudza nzira yakakodzera yekuyera kuyerera kwemugero we ...
Nguva yekutumira: Chivabvu-26-2024