Enye yezona ndawo zikhethekileyo zokulinganisa imbonakalo yelizwe ziitshaneli ezivulekileyo, apho ukuhamba kolwelo kumphezulu okhululekileyo ngamanye amaxesha “kuvuleleka” emoyeni. Oku kunokuba nzima ukulinganisa, kodwa ukuqwalasela ngononophelo kubude bokuqukuqela kunye nendawo yeflume kunokunceda ukonyusa ukuchaneka kunye nokuqinisekiswa.
Ehlabathini lomlinganiselo wamanzi osebenzayo nochanekileyo, kukho izixhobo ezininzi zokukhetha kuzo. Ngokuxhomekeke kwimeko, ukuhamba kolwelo kunye nendawo apho umlinganiselo wamanzi ufuneka khona, kunokwenzeka ukuba kukho isisombululo esisebenzayo sokulinganisa ulwelo. Nangona kunjalo, enye yemimandla yokulinganisa ikhethekileyo yileyo yeendlela ezivulekileyo - ezibandakanya imisele yokunkcenkceshela, imijelo, iinkqubo zokusetyenzwa kwamanzi, kunye nenkqubo yogutyulo lwamanzi acocekileyo kunye nogutyulo lwamanzi eziphango - apho ukuhamba kolwelo kumphezulu okhululekileyo ngamanye amaxesha "kuvuleleka" emoyeni.
Umlinganiselo wokuqukuqela osebenzayo womjelo ovulekileyo unokungqina ukuba ngumngeni. Iitshaneli ezivulelekayo azinyanzeliswa, kwaye ke izinto zokulinganisa umbhobho ogcweleyo ezifana ne-Venturi, i-electromagnetic okanye i-strap-on-transit-time flow meters ayinakwenzeka. Indlela eqhelekileyo yokulinganisa ukuhamba komjelo ovulekileyo kukulinganisa ubude okanye "intloko" yolwelo njengoko idlula umda (njengeflume okanye i-weir) kumjelo. Kuwo nawuphi na umjelo ovulekileyo ohamba ngokukhululekileyo ngokusebenzisa into ethile elawulwayo yokulinganisa i-primary metering, ukuphakama kokuhamba (intloko) ingaba ngumqondiso ochanekileyo womthamo wokuhamba kwaye ngoko ke unika umlinganiselo ofanelekileyo wezinga lokuhamba.
Emva koko i-Doppler radar level flowmeter yamanzi esiyiphuhlisileyo inokufezekisa umlinganiselo ochanekileyo
Ukuqukumbela
Umlinganiselo wokuqukuqela ochanekileyo wamatshaneli avulekileyo uya usibaluleka ngakumbi. Ukuthambeka okubanzi, ukuguquka kwentlenga okanye utshintsho olumandla kwijiyometri lunakho, kwaye kaninzi lunokwenza, lube nefuthe elibi ukuchaneka nokuthembeka kweflume yemveli iParshall. Ngenxa yokuncitshiswa kwamanzi akhoyo omlambo adityaniswe nokubaluleka kokulinganisa kunye nokulawula ukuhamba kwamanzi amdaka kunye nokunye ukuhamba kwamanzi avulekileyo, ukuchaneka kufuneka kuthathelwe ingqalelo ukukhetha isisombululo esisebenzayo. Ukunikezela ngeziphumo ezithembekileyo, ezinokulandeleka kufuna ukujonga ngaphaya kweminikelo yemveli ukuya kwisizukulwana esilandelayo sezisombululo zomlinganiselo wokuqukuqela olandelekayo.
Ixesha lokuposa: Oct-14-2024