Molao-motheo oa ts'ebetso ea nako ea ho tsamaea
Molao-motheo oa Tekanyo:
The Transit-time Correlation Principle e sebelisa taba ea hore nako ea ho fofa ha lets'oao la ultrasonic e angoa ke lebelo la phallo ea mochini oa sephethephethe.Joaloka motho ea sesang ea haolang nōka e phallang, leqhubu le tsamaeang butle le nyolohela tlaase ho nōka.
Tsa ronaTF1100 ultrasonic flow metressebetsa ho latela molao-motheo ona oa nako ea ho tsamaea:
Vf = Kdt/TL
Moo:
Lebelo la VcFlow
K: Kamehla
dt: Phapang nakong ea sefofane
TL: Karolelano ea nako ea Transit Transit
Ha phallo meter e sebetsa, li-transducer tse peli li fetisetsa le ho amohela lipontšo tsa ultrasonic tse matlafalitsoeng ke multi beam e tsamaeang pele ho theosa le ho ea holimo.Hobane molumo o phahameng o tsamaea kapele ho theosa le noka ho feta ho ea holimo, ho tla ba le phapang ea nako ea sefofane (dt).Ha phallo e ntse e le teng, phapang ea nako (dt) ke zero.Ka hona, hafeela re tseba nako ea ho fofa ka bobeli ho theosa le holimo, re ka tseba phapang ea nako, 'me joale lebelo la ho phalla (Vf) ka mokhoa o latelang.
Mokhoa oa V
W mokhoa
Z mokhoa
Molao-motheo oa ts'ebetso ea Doppler
TheDF6100series flowmeter e sebetsa ka ho fetisa molumo oa ultrasonic ho tloha ho transducer ea eona e fetisang, molumo o tla bontšoa ke li-reflectors tse molemo tsa sonic tse emisitsoeng ka har'a mokelikeli 'me li ngotsoe ke transducer e amohelang.Haeba li-reflectors tsa sonic li ntse li tsamaea ka har'a tsela ea phetisetso ea molumo, maqhubu a molumo a tla bontšoa ka lebelo le fetotsoeng (Doppler frequency) ho tloha maqhubu a fetisoang.Ho fetoha ha maqhubu ho tla amana ka kotloloho le lebelo la phatsa e tsamaeang kapa bubble.Phetoho ena ea maqhubu e hlalosoa ke sesebelisoa 'me e fetoleloa ho likarolo tse fapaneng tse hlalositsoeng ke basebelisi.
E tlameha ebe ho na le likaroloana tse kholo ho lekana ho etsa hore ho be le ponahalo ea longitudinal - likaroloana tse kholo ho feta 100 micron.
Ha u kenya li-transducers, sebaka sa ho kenya se tlameha ho ba le bolelele bo lekaneng ba pipe e otlolohileng holimo le tlaase.Ka tloaelo, ho ea holimo ho hloka 10D le ho theoha ho hloka bolelele ba phala e otlolohileng ea 5D, moo D e leng bophara ba pipe.
Molao-motheo oa ts'ebetso ea lebelo la sebaka
DOF6000Letoto la metha e bulehileng ea phallo e sebelisa Continuous Mode Doppler ho bona lebelo la metsi, lets'oao la ultrasonic le fetisetsoa phallong ea metsi le li-echoes (lipontšo) tse khutlisitsoeng ho tsoa ho likaroloana tse emisitsoeng phallo ea metsi li amoheloa le ho hlahlojoa ho ntša phetoho ea Doppler (lebelo).Phetiso e ntse e tsoela pele le ka nako e le 'ngoe le kamohelo ea pontšo e khutlisitsoeng.
Nakong ea potoloho ea litekanyo Ultraflow QSD 6537 e hlahisa lets'oao le tsoelang pele mme e lekanya matšoao a khutlang ho tsoa ho li-scatterers kae kapa kae le kae kapa kae haufi le sefate.Tsena li rarolloa ka lebelo le lekaneng le ka amanang le lebelo la phallo ea kanale libakeng tse loketseng.
Motho ea amohelang sesebelisoa o lemoha matšoao a bonahalitsoeng 'me matšoao ao a hlahlojoa ho sebelisoa mekhoa ea ho sebetsana le matšoao a digital.
Tekanyo ea Botebo ba Metsi - Ultrasonic
Bakeng sa tekanyo ea botebo Ultraflow QSD 6537 e sebelisa Nako ea Sefofane (ToF) Rang.Sena se kenyelletsa ho fetisetsa ho phatloha ha pontšo ea ultrasonic holimo holim'a metsi le ho lekanya nako e nkiloeng bakeng sa echo ho tloha holimo ho amoheloa ke sesebelisoa.Bohole (botebo ba metsi) bo lekana le nako ea ho tsamaea le lebelo la molumo metsing (o lokiselitsoeng mocheso le boima ba 'mele).
Tekanyo e phahameng ea botebo ba ultrasonic e lekanyelitsoe ho 5m.
Tekanyo ea Botebo ba Metsi - Khatello
Libaka tseo ho tsona metsi a nang le maloanlahla a mangata kapa li-bubble tsa moea li ka 'na tsa se ke tsa lokela ho lekanya botebo ba ultrasonic.Libaka tsena li loketse ho sebelisa khatello ho fumana botebo ba metsi.
Tekanyo ea botebo e thehiloeng ho khatello e ka boela ea sebetsa libakeng tseo sesebelisoa se ke keng sa behoa mokatong oa mocha oa phallo kapa se ke keng sa kenngoa ka holimo.
Ultraflow QSD 6537 e kentsoe sensor ea 2 bar e felletseng ea khatello.Sensor e ka sefahlehong se ka tlase sa sesebelisoa mme e sebelisa mocheso o lefelloang ke mocheso oa dijithale oa khatello ea maikutlo.
Moo ho sebelisoang li-sensor tsa khatello e tebileng, phapang ea khatello ea sepakapaka e tla baka liphoso botebong bo bontšitsoeng.Sena se lokisoa ka ho tlosa khatello ea sepakapaka ho khatello ea botebo bo lekantsoeng.Ho hlokahala sensor ea khatello ea barometric ho etsa sena.Mojule oa matšeliso a khatello o hahiloe ka har'a Calculator DOF6000 e tla iphetetsa ka bo eona bakeng sa phapang ea khatello ea sepakapaka ho netefatsa hore ho fihleloa tekanyo e nepahetseng ea botebo.Sena se nolofalletsa Ultraflow QSD 6537 ho tlaleha botebo ba metsi (khatello) ho e-na le khatello ea barometric hammoho le hlooho ea metsi.
Mocheso
Sensor e tiileng ea mocheso e sebelisetsoa ho lekanya mocheso oa metsi.Lebelo la molumo metsing le conductivity ea lona e angoa ke mocheso.Sesebelisoa se sebelisa mocheso o lekantsoeng ho lefella phetoho ena ka bo eona.
Tšebeliso ea Motlakase (EC)
Ultraflow QSD 6537 e na le matla a ho lekanya ho tsamaisoa ha metsi.Ho sebelisoa tlhophiso ea li-electrode tse 'nè ho etsa tekanyo.Mokelikeli o monyenyane o fetisoa metsing 'me motlakase o hlahisoang ke hona joale oa lekanyetsoa.Sesebelisoa se sebelisa litekanyetso tsena ho bala conductivity e tala e sa lokisoang.