Author: Smartweigh-Multihead Weighter
Tam sim no kuv nkag siab tias tus nqi ntws yog dej txias (ntev tus nqi: 7210L / HR), dej kub npau npau (kwj tus nqi: 1500L / HR), thiab lub siab ntawm cov dej yog li 3-4KG. Kuv xav nug pes tsawg cov kav dej uas kuv yuav tsum tau nruab? Yuav piav qhia meej, ua tsaug! ...Tam sim no kuv nkag siab tias tus nqi ntws yog dej txias (ntev tus nqi: 7210L / HR), dej kub npau npau (ntws tus nqi: 1500L / HR), thiab lub siab ntawm cov dej yog li 3-4KG, Kuv xav nug. Kuv yuav tsum tau nruab muaj pes tsawg lub kav dej? Yuav piav qhia meej, ua tsaug! Koj tuaj yeem xaiv ib lossis ob peb lo lus tseem ceeb hauv qab no txhawm rau khaws cov ntaub ntawv ntsig txog. Koj tuaj yeem nias“Rov qab cov ntaub ntawv”Tshawb nrhiav txhua qhov kev sib tw. Nthuav tag nrho tag nrho cov dej ntws = yeeb nkab seem X dej ntws = 0.002827X yeeb nkab txoj kab uas hla ^ 2X dej ntws (cubic / teev) ^ 2 Yog tias nws yuav tsum ntsuas, nws yuav tsum xub xav tias cov dej ntws, thiab tom qab ntawd raws li qhov tshwj xeeb ntawm lub ntiajteb txawj nqus. dej, weightless txheeb ze txheeb ze thiab cov yeeb nkab txoj kab uas hla. Xam tus lej Laiduo tus qauv, thiab tom qab ntawd siv tus qauv Laylow los xam cov coefficient tsis kam ntawm txoj kev, thiab xyuas cov kav dej hauv cov kav dej (xws li tees, lub luj tshib, lub rooj vag li qub, lub taub hau loj thiab me, thiab lwm yam) kom paub qhov txawv ntawm cov kav dej. Qhov sib npaug ntawm lub raj xa dej ntev, Tom qab ntawd, kev ua haujlwm siab ntawm cov kav xa dej loj yog xam los ntawm kev poob siab coefficient thiab tag nrho ntev ntawm cov kav dej (nrog rau qhov ntev ntawm qhov sib npaug ntawm cov kav dej sib npaug), thiab cov dej ntws tshwj xeeb suav nrog. Bernoulli, thiab cov dej ntws tshwj xeeb tau suav rov qab raws li tag nrho cov txheej txheem saum toj no, kom txog rau thaum ob qho tib si nyob ze (kev sim ua kom zoo dua qub algorithm).
Yog li ntawd, muaj cov phooj ywg tsawg heev nyob rau hauv qhov kev xam tshwj xeeb, feem ntau yog ua raws li qhov loj ntawm qhov sib txawv ntawm qhov sib txawv los xaiv cov dej sib txawv, thiab xam raws li txoj kev dhau los. Nyob rau hauv dav dav engineering tej yaam num, lub siab ua hauj lwm ntawm cov kais dej pipeline yog feem ntau 0.1--0.5MPa, thiab cov dej ntws nyob rau hauv lub kais dej yeeb nkab yog 1--3 m / s, feem ntau 1.5 m / s. Kuv qhov kev ua raws li tau tsis nyiam Koj cov lus teb rau qhov no yog dab tsi? Rau kev ntsuam xyuas, cov dej ntws ntawm cov kav dej yog V = 4 m / s, qhov ntsuas qhov hnyav yog V = 40 decimeter / s, thiab ib liter = 1 cubic decimeter, ces tag nrho cov ntws ntawm cov kav dej yog (section multiplied by the dej ntws): Nco ntsoov: Tag nrho cov dej ntws tsuas yog ntsuas tau thaum cov dej ntws yuav tsum tau muab, uas yog raws li 4 m / s.
Weightless tau hais tias cov lus teb no tau mloog los ntawm netizens, thiab kuv txoj kev xav tau nce mus. Koj cov lus teb yog dab tsi? Kev ntsuam xyuas yog raws li 7.2t, uas tuaj yeem siv rau DN80, thiab nws tuaj yeem loj me ntsis. Nws tsis paub meej tias dej txias thiab dej npau npau txhais li cas. Yog tias koj xav txiav cov dej npau npau npau, tag nrho cov dej ntws yog me me, cov yeeb nkab ntawm 80 loj heev, thiab cov yeeb nkab ntawm 25 tuaj yeem siv tau.
(Thaum chiv keeb, 65 lub raj yuav tsum yog txoj cai, tab sis 65 lub raj siv tsawg dua nyob rau hauv kev sib piv, yog li 80 lub raj yuav raug xaiv.) Tsis muaj cov txheej txheem suav nrog cov ncauj lus kom ntxaws. Feem ntau, nws tau txiav txim siab tias kev ua haujlwm tau txiav txim siab los ntawm kev tswj hwm, thiab tom qab ntawd nqa mus tom ntej raws li cov ntawv tshaj tawm excel. Raws li ib feem ntawm cov haujlwm ua haujlwm rau pej xeem, qhov kub thiab txias, kev ua haujlwm siab thiab viscosity feem ntau tsis suav nrog thiab suav nrog kev suav ntxhib, uas tsis muaj teeb meem hauv cov xwm txheej tshwj xeeb. Cov lus teb no tau mloog los ntawm netizens, thiab kuv qhov kev txhawj xeeb tau raug tso tseg. Koj cov lus teb yog dab tsi? Kev ntsuas raug kaw.
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