Uma ulinganisa ngephrojekthi engenasisindo

Umbhali: Smartweigh– Isisindo Sezinhloko Eziningi

Manje sengiyaqonda ukuthi izinga lokugeleza ngamanzi abandayo (izinga lokugeleza: 7210L/HR), amanzi abilayo (izinga lokugeleza: 1500L/HR), kanye nengcindezi yamanzi cishe ingama-3-4KG. Ngingathanda ukubuza ukuthi mangaki amapayipi engidinga ukuwafaka? Ngingachaza ngokuningiliziwe, ngiyabonga! ...Manje sengiyaqonda ukuthi izinga lokugeleza ngamanzi abandayo (izinga lokugeleza: 7210L/HR), amanzi abilayo (izinga lokugeleza: 1500L/HR), kanye nengcindezi yamanzi cishe ingama-3-4KG, ngingathanda ukubuza ukuthi mangaki amapayipi engidinga ukuwafaka? Ngingachaza ngokuningiliziwe, ngiyabonga! Ungakhetha igama elingukhiye elilodwa noma amaningana ngezansi ukuze uthole ulwazi olufanele. Ungachofoza futhi okuthi “Buyisa izinto”Sesha wonke amaphazili. Nweba konke ukugeleza okuphelele = isigaba sepayipi X ukugeleza kwamanzi = 0.002827X ububanzi bepayipi^2X ukugeleza kwamanzi (ama-cubic/hora)^2 Uma kufanele kulinganiswe, kubalulekile ukuthi uqale ucabange ukugeleza kwamanzi, bese ngokuya ngobukhulu bamanzi, ubuningi obungenasisindo kanye nobubanzi bepayipi. Bala inombolo ejwayelekile ye-Laiduo, bese usebenzisa indinganiso ye-Laylow ukuze ubale i-resistance coefficient endleleni, bese uhlola amapayipi epayipini (njenge-tee, izindololwane, ama-valve esango, amakhanda amakhulu namancane, njll.) ukuze uthole ubude bepayipi lesifunda elilinganayo. Ngemuva kwalokho, umonakalo wokucindezela osebenzayo wepayipi eliyinhloko ubalwa kusukela ku-pressure loss resistance coefficient kanye nobude obugcwele bepayipi (kufaka phakathi ubude bepayipi lesifunda elilinganayo), bese ukugeleza kwamanzi okuqondile kubalwa ngokusho kwe-Bernoulli, bese ukugeleza kwamanzi okuqondile kubalwa futhi ngokwenqubo yonke engenhla, kuze kube yilapho okubili sekusondele (i-iterative trial optimization algorithm).

Ngakho-ke, bambalwa kakhulu abangani ekubalweni okuthile, iningi labo lisekelwe ngobukhulu bomehluko wokucindezela ukuze kukhethwe ukugeleza kwamanzi okuhlukile, futhi kubalwe ngokwendlela yangaphambilini. Emaphrojekthini obunjiniyela ajwayelekile, ingcindezi yokusebenza yepayipi lamanzi ompompi ngokuvamile ingu-0.1--0.5MPa, kanti ukugeleza kwamanzi epayipini lamanzi ompompi kungu-1--3 m/s, ngokuvamile ngu-1.5 m/s. Ukulandela kwami ​​​​akuthandwanga. Uthini umbono wakho ngale mpendulo? Ekuhlolweni, ukugeleza kwamanzi epayipini kungu-V=4 m/s, isikali esingenasisindo ngu-V=40 decimeter/s, kanye nelitha elilodwa = i-cubic decimeter eyi-1, bese ukugeleza okuphelele kwepayipi kungu-(isigaba siphindaphindwe ngokugeleza kwamanzi): Qaphela: Ukugeleza okuphelele kungalinganiswa kuphela lapho ukugeleza kwamanzi kufanele kunikezwe, okusekelwe ku-4 m/s.

UWeightless uthe le mpendulo ilalelwe yi-netzens, futhi ukunaka kwami ​​​​kunyathelisiwe. Uthini umbono wakho ngale mpendulo? Ukuhlolwa kusekelwe ku-7.2t, engasetshenziswa ku-DN80, futhi ingaba nkulu kancane. Akucaci ukuthi kusho ukuthini amanzi abandayo namanzi abilayo. Uma ufuna ukusika amanzi abilisiwe kahle, ukugeleza okuphelele kuncane kakhulu, ipayipi elingu-80 likhulu kakhulu, futhi ipayipi elingu-25 lingasetshenziswa.

(Ekuqaleni, amashubhu angu-65 kufanele abe afanele, kodwa amashubhu angu-65 asetshenziswa kancane uma kuqhathaniswa, ngakho-ke kuzokhethwa amashubhu angu-80.) Ayikho inqubo yokubala enemininingwane. Ngokuvamile, kubhekwa ukuthi ulwazi lomsebenzi lunqunywa abaphathi, bese luqhutshelwa phambili ngokwemibiko evamile ye-excel. Njengengxenye yamaphrojekthi emisebenzi yomphakathi, izinga lokushisa, ingcindezi yokusebenza kanye ne-viscosity ngokuvamile akucatshangelwa futhi kungokwama-rough ekubalweni, okungalimazi ezimweni ezithile zokufaka isicelo. Le mpendulo ilalelwe yi-inthanethi, futhi ukukhathazeka kwami ​​​​kuyekisiwe. Uthini umbono wakho ngale mpendulo? Ukuhlolwa kuvaliwe.

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