Pakufungidzira papurojekiti isina huremu

Munyori: Smartweigh– Huremu hwemisoro yakawanda

Zvino ndava kunzwisisa kuti mwero wekuyerera kwemvura inotonhora (mwero wekuyerera: 7210L/HR), mvura iri kufashaira (mwero wekuyerera: 1500L/HR), uye kumanikidzwa kwemvura kuri 3-4KG. Ndinoda kubvunza kuti mapipi mangani andinofanira kuisa? Ndinogona kutsanangura zvakadzama, ndatenda! ...Zvino ndava kunzwisisa kuti mwero wekuyerera kwemvura inotonhora (mwero wekuyerera: 7210L/HR), mvura iri kufashaira (mwero wekuyerera: 1500L/HR), uye kumanikidzwa kwemvura kuri 3-4KG, ndinoda kubvunza kuti mapipi mangani andinofanira kuisa? Ndinogona kutsanangura zvakadzama, ndatenda! Unogona kusarudza izwi rimwe chete kana akati wandei pazasi kuti uwane ruzivo rwakakodzera. Unogona zvakare kudzvanya "Tora zvinhu" Tsvaga mapuzzle ese. Wedzera kuyerera kwese = chikamu chepombi X kuyerera kwemvura = 0.002827X dhayamita yepombi^2X kuyerera kwemvura (cubic/awa)^2 Kana zvichifanira kuyerwa, zvakakosha kutanga wafungidzira kuyerera kwemvura, uye wobva waenderana nehukuru hwemvura, huremu husina huremu uye dhayamita yepombi. Verenga nhamba yeLaiduo standard, wobva washandisa Laylow standard kuverenga resistance coefficient munzira, uye tarisa mapaipi ari mupaipi (akadai se tees, magokora, mavharuvhu egedhi, misoro mikuru nemidiki, nezvimwewo) kuti uwane kureba kwakaenzana kwechubhu yedunhu. Zvadaro, kukuvara kwekushanda kwepombi huru kunoverengerwa kubva pa pressure loss resistance coefficient uye kureba kwakazara kwepaipi (kusanganisira kureba kwepombi yedunhu yakaenzana), uye kuyerera kwemvura chaiyo kunoverengerwa zvichienderana neBernoulli, uye kuyerera kwemvura chaiyo kunoverengerwa zvakare zvichienderana nemaitiro ese ari pamusoro, kusvika maviri acho aswedera pedyo (iterative trial optimization algorithm).

Saka, pane shamwari shoma mukuverenga kwacho, dzakawanda dzacho dzinobva pahukuru hwemusiyano wekumanikidzwa kuti vasarudze kuyerera kwemvura kwakasiyana, uye vaverenge zvichienderana nenzira yapfuura. Mumapurojekiti einjiniya, kumanikidzwa kwebasa repombi yemvura yepombi kunowanzova 0.1--0.5MPa, uye kuyerera kwemvura mupombi yemvura yepombi kunowanzova 1--3 m/s, kazhinji 1.5 m/s. Kutevera kwangu kwave kusafarirwa. Chii chaunotaura nezvemhinduro iyi? Pakuongorora, kuyerera kwemvura kwepombi iV=4 m/s, chikero chisina huremu iV=40 decimeter/s, uye litre imwe = 1 cubic decimeter, ipapo kuyerera kwese kwepombi (chikamu chakawedzerwa nekuyerera kwemvura): Cherechedza: Kuyerera kwese kunogona kuyerwa chete kana kuyerera kwemvura kuchifanira kupihwa, kwakavakirwa pa4 m/s.

Weightless akati mhinduro iyi yakateererwa nevanoshandisa mawebhusaiti, uye pfungwa dzangu dzakatorwa. Chii chaunotaura nezvemhinduro iyi? Ongororo yacho yakavakirwa pa7.2t, iyo inogona kushandiswa paDN80, uye inogona kunge yakakura zvishoma. Hazvizivikanwe kuti mvura inotonhora nemvura inopisa zvinorevei. Kana uchida kucheka mvura yakafashaira zvakanaka, kuyerera kwese kudiki, pombi ye80 yakakura zvakanyanya, uye pombi ye25 inogona kushandiswa.

(Pakutanga, machubhu makumi matanhatu nemashanu anofanira kunge akakodzera, asi machubhu makumi matanhatu nemashanu anoshandiswa zvishoma kana tichienzanisa, saka machubhu makumi masere achasarudzwa.) Hapana maitiro ekuverenga akadzama. Kazhinji, zvinofungidzirwa kuti ruzivo rwebasa runotsanangurwa nehutungamiri, uye rwozoendeswa mberi zvichienderana nemishumo yeExcel. Sechikamu chemapurojekiti ebasa reveruzhinji, tembiricha, kumanikidzwa kwebasa uye viscosity hazviwanzo kufungwa nezvazvo uye ndezvekuverenga kwakaoma, izvo zvisina kukuvadza mumamiriro ezvinhu chaiwo ekushandisa. Mhinduro iyi yakateererwa nevanoshandisa mawebhusaiti, uye kunetseka kwangu kwakabviswa. Chii chaunotaura nezvemhinduro iyi? Ongororo dzapera.

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