Hydraulic Valve Pressure Loss: A sababuw, jatebɔ ani a kɛcogo ɲuman

Jiw ka ɲɔgɔnkanu min ma jate fanga sɔrɔyɔrɔw la, o bɛ funteni tɛmɛnen lase ani ka fanga caman tiɲɛ baara kɛtuma na. O fanga tiɲɛni bɛ sistɛmu ka ɲɛnamaya jan tiɲɛ k’a ɲɛsin a yɛrɛ ma, wa a bɛ nɔ bila masinw ka baarakɛcogo bɛɛ lajɛlen na. Degun dɔgɔyali min ma nɔgɔya, o bɛ na ni actuator jaabi sɛgɛnbali ye, cycle waatiw minnu tɛ se ka fɔ ka ɲɛ, ani yɔrɔw sɛgɛnni ka kɔn a waati ɲɛ. Sisitɛmu dannaya bɛ laban ka dɛsɛ ni jikuruw kɛlɛli ma kɔlɔsi kafoda bɛɛ kɔnɔ. An ka kan ka sinsin wuli ka bɔ teori jilama mekanikiw la ka taa fɛɛrɛw la minnu bɛ kɛ, minnu bɛ ɲɛminɛ ɛntɛrinɛti kan. Ka fɛnw sɛgɛsɛgɛ, ka jatebɔ kɛ, ani ka u yɔrɔw sugandi minnu bɛnnen don, o ye wajibi ye bi jiko dilanni na. Aw bɛ se ka dɔgɔya jibolisira tansiyɔn bɔnɛni ni dilancogo sariyakolo sigilenw tali ye ani foro jateminɛ gɛlɛnw. Nin gafe in bɛ kɔnɔna ji siraw ɲɛnabɔcogo ɲuman sɛgɛsɛgɛ, ka bɔnɛ makɔnɔnenw jate ka ɲɛ, ani ka sistɛmu bɛɛ lajɛlen nafa bonya k’a sɔrɔ i ma i jigi da jateminɛ kan. Ji sira ɲuman bɛ to minɛnw ka boli ka nɛnɛ, ka teliya ani ka mɛn doni girinmanw kɔrɔ.

• Internal flow channel geometry—specifically right-angle turns and sudden cross-sectional changes—is the primary driver of secondary flows and pressure drops.

• Jatebɔ tigitigi bɛ a ɲini ka tɛmɛn formula jɔnjɔnw kan walasa ka jateminɛ kɛ ji sɔgɔli, baarakɛcogo funteni, ani jibɔlan ka jibɔ hakɛ kɛrɛnkɛrɛnnen (Cv).

• Sitimɛ ka baarakɛcogo ɲuman ɲɛnabɔli bɛ a ɲini ka jagokɛcogo bɛn ɲɔgɔn ma, min bɛ kɛ fɛnw hakɛ, musaka fɔlɔ, ani baarakɛcogo fanga bɔnɛ min bɛ sɔn.

• Sɛgɛsɛgɛli kɛcogo sigilenw nafa ka bon walasa ka tansiyɔn jiginniw bɔ ɲɔgɔn na minnu bɛ sɔrɔ pɔnpe, tubabufura walima baarakɛminɛnw tiɲɛni na minnu ka bon kosɛbɛ, ka sɔrɔ ka sigida lakana ka bɔ tiɲɛni wɛrɛw la.

Mekaniki minnu bɛ kɛ ni jikuruw tansiyɔn bɔnɛni ye

Degun jigincogo ni baarakɛcogo kuntilenna minnu bɛ se ka sɔn, olu ɲɛfɔ

Fɛn min bɛ kɛ tansiyɔn jigincogo nɔgɔman ye, o ɲɛfɔli ye fɛɛrɛ fɔlɔ ye min bɛ kɛ ka ɲɛsin sistɛmu ɲɛnabɔli ma. Ji fanga yɔrɔ kelen-kelen bɛɛ bɛ rezisti hakɛ dɔ don sɛrɛkili la. Tansiyɔn jiginni daminɛ na, o ka kan farikolo la walasa ka jibɔ ni a kɔlɔsili sira lawuli. Nka, degun jigincogo min tɛ baara kɛ, o bɛ ji fanga tɛmɛnen caman tigɛli kɛ funteni tiɲɛnen ye. Sitimɛ baarakɛcogo ɲɛtaa sariyaw bɛ tali kɛ nin paraziti fanga bɔnɛ in dɔgɔyali la. Ɛntɛrinɛti kalanbagaw ka kan ka degun danfaralen dɔ sigi sen kan min bɛ se ka sɔn ka kɛ kafoda bolofara kelen-kelen bɛɛ ye. Nin basigi in b’a to baarakɛminɛnw bɛ fanga bɛrɛ sɔrɔ k’a sɔrɔ u ma pɔnpe fɔlɔ baara kojugu. Kuwati lakanani bɛ a ɲini ka sistɛmu bɛɛ lajɛlen ka se ka to ka ɲɛ pɔnpe ka baarakɛcogo ɲuman kurulen kɔnɔ. Ni aw tɛmɛna o dantigɛliw kan, o b’a jira ko jibɔ sira ma ɲɛ kosɛbɛ, min ka kan ka labɛn kokura teliya la.

A sababuba: Jiw ka ɲɔgɔnkanu ani kɔnɔna kanal cogoya

Fluid friction tora fanga bɔnɛ sababu jɔnjɔn ye jikuruw ka sɛrɛkili o sɛrɛkili la. Ni ji tulu bɛ tɛmɛ dancɛ gɛlɛn dɔ fɛ, sɛgɛn fanga bɛ kɔnɔna kɛlɛli lawuli. Kɔnɔna jibɔ sira jateminɛ de bɛ o sɔgɔsɔgɔninjɛ in juguya jira. Kɛrɛfɛla jiginniw bɛ ji wajibiya ka sira Changer yɔrɔnin kelen, ka laminar flow profiles tiɲɛ. Yɛlɛma barikama minnu bɛ kɛ fɛnw tigɛli la, olu bɛ kɛ sababu ye ka jet teliyabaw ni yɔrɔ salenw kɛ minnu ka tansiyɔn ka dɔgɔ. Dakun nɛrɛma minnu bɛ bɔgɔdaga kɔnɔ, olu bɛ ji tigɛ, ka teliya ka girinya fanga sɛmɛntiya ka kɛ funteni fanga ye. Kɔnɔna tɛmɛsira nɔgɔlenw, minnu bɛ sɔgɔsɔgɔ, olu bɛ o sɛgɛn fanga tiɲɛnenw dɔgɔya. A dabɔra ka ɲɛ Hydraulic Valve bɛ baara kɛ ni core geometries optimisées ye walasa ka ji teliya sabatilen mara. Tɛmɛsira nɔgɔlenw nɔgɔyali bɛ dɔ Bɔ k’a ɲɛsin yɔrɔ in ka sɔgɔsɔgɔninjɛ fɔlɔ coefficient ma.

Flow Secondaire ani Recirculation (Sɛbɛnni Seginnkanni).

Tɔnɔ misɛnnin minnu bɛ sɔrɔ pibilikiw bolicogo la, olu ka teli ka kɛ sababu ye ka sistɛmu baarakɛbaliyabaw kɛ. A ka c’a la, o degun misɛnninw bɛ sɔrɔ jibɔ filananw fɛ fɛnw ni jirisunw kɔnɔ. Kɔnɔna jibɔ sira kɔnɔ kurulen bɛ ji wajibiya ka bɔ kɛnɛma ka ɲɛsin bɔgɔdaga kogo ma. O fanga cɛmancɛ-fanga in bɛ jiginni lamaga-lamagali filananw Dabɔ minnu bɛ tilennen ni jibɔyɔrɔ fɔlɔ ye. Fluid recirculation bɛ kɛ ni tulu bɔra kɔnɔna dancɛ la. O segin-ka-bɔ-yɔrɔw bɛ Kɛ i n’a fɔ ji-yɔrɔw datugulanw, o bɛ jibɔ-yɔrɔ min bɛ Se ka baara Kɛ, o Dɔgɔya kosɛbɛ. Ji in b’a yɛrɛ ka lamaga-lamagali fanga Dɔgɔya n’a bɛ jɛgɛn o kɔnɔna-kurunw kɔnɔ. Fɛn minnu bɛ kɛrɛfɛ, ni olu bilala teliya la ka kɔn suman dɔ ɲɛ walima a kɔfɛ, olu bɛ se ka o jiginni juguya. Ni aw ye jibolisira tilennen kɛ sani a ka don sumanmugu farikolo la, o bɛ dɛmɛ ka o bɔnɛ filananw nɔgɔya.

Jibɔ hakɛw ni jibɔyɔrɔw nɔfɛkow

Tansiyɔn jiginni bɛ tali kɛ fanga caman yeli la minnu bɛ kɛ ji lamagatɔ kɔnɔ. A ka c’a la, jibɔ hakɛ caman bɛ na ni degun jiginni ye min ka bon kosɛbɛ. Ni ji hakɛ caman bɛ ka tɛmɛ da jɔlen dɔ fɛ, ji teliya bɛ bonya kosɛbɛ. O teliya min cayara, o bɛ ɲɔgɔndan ni ɲɔgɔndan min bɛ sɔrɔ o la, o bɛ kɛ kɛrɛ ye kɔnɔna kogow la. Fluid viscosity fana jɔyɔrɔ ka bon kosɛbɛ resistance bɛɛ lajɛlen dɔnni na. Ji minnu ka bon, minnu ka gɛlɛn kosɛbɛ, olu bɛ fanga caman de wajibiya walasa ka u tigɛ ani ka woyo. A ka c’a la, nɛnɛ daminɛ cogoyaw bɛ tansiyɔn jigincogo caman jira ka da ji wulicogo kɔrɔtalen kan. Ni sigida bɛ sumaya, ji bɛ dɔgɔya, wa a ka ca a la, degun danfara bɛ dɔgɔya. O jɛɲɔgɔnya fangama in faamuyali nafa ka bon walasa ka yɔrɔw bonya baarakɛcogo danfaralenw kɔnɔ.

Tansiyɔn jigincogo jatebɔcogo jilafɛnw na

Flow Coefficient (Cv) ani Pressure Drop jatebɔ formulaw

Sistɛmu dilanni tigitigi bɛ tali kɛ izini ka bɛnkanw na minnu bɛ kɛ ka kɛɲɛ ni sariya ye walasa ka degun bɔnɛ makɔnɔnen jate. Flow coefficient (Cv) ye diɲɛ bɛɛ ka mɛtɛrɛ ye min bɛ kɛ ka valve seko suman. A bɛ ji hakɛ jira funteni kɛrɛnkɛrɛnnen dɔ la min bɛna woyo ka tɛmɛ bɔgɔdaga dɔ fɛ ni tansiyɔn jigincogo ye psi kelen ye. Ɛntɛrinɛti ɲɛmɔgɔw bɛ baara kɛ ni Cv nafa ye walasa ka a fɔ cogo min na yɔrɔ kɛrɛnkɛrɛnnen dɔ bɛna ji tulu dan. Formula jɔnjɔn bɛ jibɔ hakɛ, girinya kɛrɛnkɛrɛnnen, ani Cv ni ɲɔgɔn cɛ walasa ka tansiyɔn danfara sɔrɔ. Cv min ka bon, o bɛ kɔnɔna jibɔ sira jira min tɛ dankari kosɛbɛ. O nafa jatebɔ b’a to yɔrɔ sugandilen bɛ se ka jibɔ wajibiyalen ɲɛnabɔ k’a sɔrɔ dantigɛli ma kɛ a kan. Ka i jigi da kurunbonkarila hakɛ dɔrɔn kan sanni ka i jigi da Cv kan, o bɛ na ni jatebɔ jugu juguw ye tuma caman na.

Aw bɛ Fluid Density (Fluid Density) ni Temperature (funteni hakɛ) don jatebɔw kɔnɔ

Cv formulas standards bɛ ji jate i n’a fɔ jimafɛn basigilen. Jilafɛnw bɛ baara kɛ ni tulu kɛrɛnkɛrɛnnenw ye minnu farikolo cogoya tɛ kelen ye fewu. Kɛrɛnkɛrɛnnenya la, girinya kɛrɛnkɛrɛnnen bɛ jibɔlan girinya suman ni a bɛ tali kɛ ji la. Ɛntɛrinɛti ɲɛmɔgɔw ka kan ka ji in girinya kɛrɛnkɛrɛnnen tigitigi don degun jigincogo hakɛ la walasa a ka kɛ tiɲɛ ye. Funteni jiginni bɛ o jatebɔw gɛlɛya ka t’a fɛ diɲɛ kɔnɔ baara kɛtuma na. Funteni bɛ jikuruw sɔgɔli caman Changer directement ani ka girinya kɛrɛnkɛrɛnnen wuli dɔɔni. Jateminɛ min kɛra sistɛmu dɔ kama min bɛ baara kɛ lamini funteni na, o bɛna dɛsɛ baarakɛ funteni hakɛ la. Aw ka kan ka tansiyɔn danfara makɔnɔnen jate funteni hakɛ makɔnɔnen bɛɛ kɔnɔ. O b’a to sistɛmu bɛ actuator teliya bɛnnen mara hali ni funteni doni jugumanba bɛ a la.

Baarakɛminɛn minnu bɛ kɛ ka ɲɛsin kofɔlenw ma minnu bɛ taa ɲɛ

Bi jiko fanga injiniyɛri bɛ nafa caman sɔrɔ jatebɔcogo kɔrɔlenw na. Computational Fluid Dynamics (CFD) porogaramu bɛ kɔnɔna jibɔ siraw ladege ni tiɲɛniba ye. O baarakɛminɛnw bɛ degun bɔnɛko fɔ sani farikolo waleyali walima nɛgɛdaga si ka kɛ. CFD bɛ ji seginni yɔrɔ tigitigiw jira, cavitation faratiw, ani yɔrɔw minnu bɛ sɔgɔsɔgɔ kosɛbɛ. Ɛntɛrinɛti ɲɛmɔgɔw bɛ se ka kɔnɔna jateminɛcogo caman sɛmɛntiya ani k’a ye o yɔrɔnin bɛɛ la, a bɛ se ka nɔ min bila jibɔcogo ɲuman na. Jatebla modeli kalan minnu bɛ degun bɔnɛ kan, olu bɛ kunnafonidilanw di walasa ka spool ni poppet dilancogo ɲɛ. O simulasiw bɛ dɔ bɔ prototyping waati la ani ka jateminɛw bɔ dilancogo dakun na. Baara kɛli ni CFD ye, o b’a to a yɔrɔ laban bɛ se ka se ka a senna-tɛgɛrɛ dilen di.

Diɲɛ kɔnɔ jatebɔ lakika ni misali teoritikiw

Teori misaliw bɛ diɲɛ dafalen basigilen di sistɛmu baarakɛcogo ma. Waleya tiɲɛniw ka teli ka kɛ sababu ye ka foro sumanikɛlanw bɔ jatebɔ kirayakumaw la. Ɛntɛrinɛti kalanbagaw ka kan ka jatebɔw ladilan minnu bɛ tali kɛ hakilinaw la walasa ka foro cogoyaw jateminɛ minnu tɛ se ka bali.

• Kɔrɔyaji bɛ a daminɛ na, a sɔgɔsɔgɔninjɛ tiɲɛ ani k’a Changer baarakɛ lɛri ba caman kɔnɔ.

• Nɔgɔli fɛnɲɛnamafagalanw bɛ ji fanga caman sɛmɛntiya ani ka dɔ fara kɔnɔna sɔgɔli kan muɲuli gɛlɛnw kan.

• Component wear bɛ kɔnɔna jateminɛ Changer dɔɔnin dɔɔnin, ka clearances bonya ani ka flow siraw Changer.

• Fiɲɛbɔ bɛ fiɲɛ bugunw don minnu bɛ se ka degun, minnu bɛ jibɔ jatew tiɲɛ cogo basigilen na.

Ni aw ye lakana hakɛ dɔ fara degun hakɛ jateminɛlen kan, o bɛ dannaya kɛ waatijan kɔnɔ. Ka i jigi da kosɛbɛ laboratuwari kunnafoniw kan minnu tɛ tiɲɛ ye, tuma caman na, o bɛ na ni foro minɛnw baarakɛbaliya ye. Foro tiɲɛni bɛ to senna-tɛgɛrɛ wajibiyalen ye walasa ka teoriw ka jibɔ misaliw sinsin.

Aw bɛ jikuru suguyaw suma ɲɔgɔn na walasa ka tansiyɔn dɔgɔya

Valve de contrôle directionnel: Bobine ni Poppet Designs

Directionnel control valve kɔnɔna jɔcogo de b’a ka tansiyɔn jigincogo danma jira. Spool valves bɛ ni kɔnɔna jibɔ sira gɛlɛnw ye minnu bɛ wuli. Ji ka kan ka taa kininfɛ-yɔrɔ caman na ani jiribolo-yɔrɔw la walasa ka se baarakɛyɔrɔw la. O sira tigɛli in bɛ degunba dɔ lawuli cogo la min ka bon kosɛbɛ ni i y’a suma ni dilancogo tɔw ye. Popet valves bɛ ji sira tilennen di kosɛbɛ. Ni popɛri wulila ka bɔ a sigiyɔrɔ la, ji bɛ woyo ka tɛmɛ da belebeleba dɔ fɛ, min tɛ bali. O dilancogo in bɛ dɔ bɔ kosɛbɛ ji sɔgɔli ni segin-ka-bɔnye filanan na. Sitimɛ minnu bɛ fanga sɔrɔcogo ɲuman de wajibiya, olu ka teli ka poppet dilancogo de fɛ u ka resistance dɔgɔya cogoyaw kosɔn. Nka, spool valves bɛ to ka kɛ wajibi ye walasa ka multi-port directional control gɛlɛnw kɛ.

Valve proportionnel ani Servo (Valv proportionnel) ani Servo

Kɔlɔsili tigitigi bɛ fɛɛrɛ wɛrɛ de wajibiya degun kunbɛnni na. Proportional ani servo valves bɛ baara kɛ ni degun jigincogo ye ni laɲini ye walasa ka actuator control tigitigi mara. O yɔrɔw bɛ ji bolicogo jateminɛ ni dantigɛli caman kɛli ye kafoda kɔnɔ. Degun danfaraba min bɛ mɛtɛrɛ dakun bɛɛ la, o de wajibiyalen don farikolo la walasa ka jɔyɔrɔ tigitigi sɔrɔ. Ɛntɛrinɛti ɲɛmɔgɔw tɛ se ka tansiyɔn jigincogo dɔgɔya dɔrɔn k’a sɔrɔ u ma valve ka control resolution tiɲɛ. Sistɛmu dilanni ka kan ka jatebɔ kɛ o fanga bɔnɛ laɲinilen in na kabini a daminɛ na. Pɔnpe fɔlɔ ka kan ka degun tɛmɛnen caman di walasa ka se sɔrɔ o jateminɛ dantigɛli kan. Balan kɛli kuntigiya tigitigi ni fanga sɔrɔcogo bɛɛ lajɛlen na, o ye gɛlɛya jɔnjɔn ye ni servo fɛɛrɛbɔ bɛ senna.

Relief Valve Basics ani Bypass bɔnɛw

Degunw dɛmɛnanw bɛ kafoda lakana ka bɔ degun tɛmɛnenw na minnu bɛ se ka kɛ balawu ye. Nka, u fana ye ji fanga tiɲɛnenw sɔrɔyɔrɔ fɔlɔ ye. Relief valve basigilenw b’a jira ko ji min bɛ tɛmɛ actuator fɛ ka segin jidagayɔrɔ la, o bɛ funteni saniyalen lase. A sigicogo walima a bonyabaliya bɛ na ni fanga joli bɔli ye ka taa a fɛ opereli kɛcogo la. Ni dɛmɛnan sigicogo ka surun kojugu sistɛmu baarakɛcogo tansiyɔn na, a bɛ se ka da wuli a yɔrɔ dɔ la ka kɔn a waati ɲɛ. O kari degun in bɛ a to ji teliyaba ka bɔ, ka sistɛmu ka baarakɛcogo dɔgɔya. Ɛntɛrinɛti ɲɛmɔgɔw ka kan ka fanga bɔnɛw jateminɛ minnu bɛ sɔrɔ o bypass ko kɛlenw fɛ. Spring sugandili ɲuman ani degun sigicogo tigitigi bɛ balansi don sistɛmu lakanani wajibiyalenw ni fanga maracogo ɲuman na.

Stratégique Optimisation ani Sizing

Jagokɛcogo: Jidagayɔrɔ minnu ka bon kosɛbɛ ni minnu ka dɔgɔ

Component sizing bɛ ɲini ka hakilinata jagokɛcogo gɛlɛnw ɲɛminɛ. Ni i ye valve dɔ bonya dɔgɔya, o bɛ ji hakɛ caman wajibiya ka tɛmɛ dakun dɔ fɛ min bɛ dan sigi. O bɛ funteni kojugu, degunba bɔnɛ, ani ji bɛ se ka tiɲɛ. O sistɛmu bɛ so fanga tiɲɛ ka tulu gɛrɛ dɔrɔn ka tɛmɛ o yɔrɔ la min bonya ka dɔgɔ. O kɔfɛ, bonya kojugu bɛ dɔ fara fɛnw hakɛ kan, senna-taama farikoloma, ani fɛnw musakaw kan minnu bɛ kɛ ka kɔn. Valve belebeleba fana bɛ se ka control instability (kunnafoni basigibaliya) don a la, kɛrɛnkɛrɛnnenya la baarakɛcogo la min bɛ bɛn ɲɔgɔn ma. Spool belebeleba min bɛ wuli dɔɔni, o bɛ se ka ji caman bɔ o yɔrɔnin bɛɛ, o bɛ kɛ sababu ye ka actuator jerking. Ɛntɛrinɛti ɲɛmɔgɔw ka kan ka jibɔ hakɛ bɛn tigitigi ka kɛɲɛ ni ciriw ka paramɛtiriw wajibiyalenw ye. Sizing ɲuman bɛ cɛmancɛ tigitigi gosi fanga sɔrɔcogo ɲuman ni kɔrɔsili sabatili cɛ.

Jateminɛ minnu bɛ kɛ sistɛmu nivo la: Hoses, Fittings ani Routing

Valve tɛ baara kɛ vacuum kɔnɔ; o ye jisigiyɔrɔba dɔ ye min ka bon kosɛbɛ. Ni tansiyɔn jigincogo ma jateminɛ kɛ jibolisiraw la ka ɲɛ, o la, o sistɛmu bɛ tiɲɛ. Kɔrɔɲɔgɔnma teliyalenw ni kɔkili minnu bɛ u kɛrɛfɛ, olu bɛ bɔnɛ misɛnninw fara ɲɔgɔn kan minnu bɛ sɔrɔ valve yɛrɛ fɛ. Valve min bɛ ɲɛ kosɛbɛ, o tɛ se ka jibolisira dɔ labɛn min tɛ sira ɲuman ye. Ji min bɛ tɛmɛ tubabukan na minnu bonya ka dɔgɔ, olu bɛna se sumanmugu la ni fanga ye min bɛ se ka wuli kaban. Siracogo ka kan ka boli tilennenw, boli surunw bila jɔyɔrɔ fɔlɔ la, minnu bɛ kɛ ni kurukuruw ye minnu bɛ sumaya sanni ka kɛ kɛrɛ gɛlɛnw ye. Bolo bɛɛ ka tansiyɔn jigincogo dalajɛlen jateminɛni ye wajibi ye. Sistɛmu-nivo optimisation b’a to valve bɛ ji fanga sɔrɔ a tun dabɔra ka min minɛ.

Manifold Integration vs. Kɔnɔnafiliw

Laadalata jibolisiraw bɛ u jigi da fɛnw kan minnu tɛ kelen ye, minnu bɛ ɲɔgɔn cɛ ni tubabufura ye. O fɛɛrɛ bɛ fitinin tan ni caman don sen kan, u kelen-kelen bɛɛ bɛ degun bɔnɛ misɛnninw fara sistɛmu kan. Baara kɛli ni ji-minɛnw ye minnu bɛ kɛ ka kɛɲɛ ni mɔgɔw sago ye, o bɛ o ɲɔgɔndanw ban pewu. Manifold bɛ kunnafoni-falen-falen baara caman fara ɲɔgɔn kan ka kɛ nɛgɛ bloki kelen ye, min bɛ ɲɛ. Kɔnɔna tɛmɛsira minnu bɛ marifa ci, olu bɛ ji bila ka bɔ bɔgɔdaga kelen na ka taa dɔ wɛrɛ la. O bɛ dɔ bɔ kosɛbɛ bɔnɛ misɛnninw dalajɛlenw na minnu bɛ sɔrɔ kɛnɛma pɔmpiko la. Manifold integration fana bɛ dɔ bɔ farikolo senna-taama na ani ka bɔgɔdaga yɔrɔw bɔ yen minnu bɛ se ka kɛ. Kɔnɔna jiginni nɔgɔlen minnu bɛ kɛ manifɔli kɔnɔ min dilannen don ni masin ye ka ɲɛ, olu bɛ ji lamagacogo fanga mara ka ɲɛ kosɛbɛ ka tɛmɛ kɛnɛma tubabufura kan.

Musow ka musaka ni nafa sɛgɛsɛgɛli min bɛ kɛ ni fɛnw ye minnu bɛ se ka dɔgɔya

Fɛn minnu bɛ baara kɛ kosɛbɛ, minnu tɛ tansiyɔn dɔgɔya, olu ka teli ka sugu jɔyɔrɔba ta. Ɛntɛrinɛti ɲɛmɔgɔw ka kan k’a jateminɛ ni nin sɔngɔ in bɛnnen don baarakɛcogo kuntaalajan jateminɛw fɛ. Tansiyɔn jiginni dɔgɔyali bɛ baara kɛ ni kuran dɔgɔyali ye pɔnpe fɔlɔ motɛri la. Fanga tiɲɛnen dɔgɔyali fana kɔrɔ ye funteni bɔli dɔgɔyali ye jikuruw ka sɛrɛkili kɔnɔ. O dɔgɔyali min bɛ kɛ funteni doni na, o bɛ dɔ bɔ ɲininiw na minnu bɛ kɛ ji nɛnɛyɔrɔw la. Funteni-falen-falen-minɛn misɛnninw ni fiɲɛbɔlan teliya dɔgɔyali bɛ dɔ bɔ fanga bɛɛ lajɛlen na ka taa a fɛ. Musaka ni nafa sɛgɛsɛgɛli ɲuman bɛ sinsin nin fanga dɔgɔyali ninnu kan minnu bɛ fara ɲɔgɔn kan masin ka ɲɛnamaya kɔnɔ. Ni i ye wari bila jibolisira ɲumanw na, tuma caman na, o bɛ nafa sɔrɔ dannaya bonya fɛ ani nɛnɛ ɲininiw dɔgɔyali fɛ.

Aw bɛ gɛlɛyaw ɲɛnabɔ tansiyɔn dɔgɔyali ni farati minnu bɛ se ka sɔrɔ

4 Fɛɛrɛ minnu bɛ kɛ walasa ka Valve Pressure Drop bɔ ɲɔgɔn na

Fɛɛrɛ teliyalen min bɛ se ka kɛ walasa ka sistɛmu tansiyɔn dɔgɔyali sababu lakika dɔn, o ye ka mɔgɔw bila ɲɔgɔn na cogo labɛnnen na. Aw ka kan ka sistɛmu tanga tiɲɛni wɛrɛw ma bana sɛgɛsɛgɛli bɛɛ senfɛ. Aw bɛ nin ɲɔgɔndan in labato walasa ka yɔrɔ in faranfasi:

1. Aw bɛ pɔnpe fɔlɔ bɔli tansiyɔn sɛgɛsɛgɛ sɛgɛsɛgɛlikɛyɔrɔba la walasa ka a jira ko a ma tiɲɛ.

2. Aw bɛ tansiyɔn suman o yɔrɔnin bɛɛ ka kɔn a dawolo sigalen ɲɛ walasa ka ji dilancogo ɲuman dafa.

3. Aw bɛ tansiyɔn suman o yɔrɔnin bɛɛ la, ka a sɔrɔ a kɛcogo bɛ doni kɔrɔ.

4. Aw bɛ danfara jatebɔ kɛ k’a suma ni a dilabaga ka Cv kurulen fɔlen ye.

Nin wale naani in bɛ tansiyɔn jiginniw bɔ ɲɔgɔn na minnu bɛ sɔrɔ valve fɛ ka bɔ sistɛmu dɛsɛw la minnu ka bon. A bɛ mekanikiw bali ka fiyentɔya kɛ ka fɛn sɔngɔ gɛlɛnw falen u nɔ na k’a sɔrɔ kunnafonidilanw ma sɔrɔ.

Sumanikɛlan ni minɛnw dilanni

Foro sɛgɛsɛgɛli tigitigiw bɛ sumanikɛminɛnw de wajibiya minnu bɛ se ka kɛ baarakɛlaw fɛ. Inline flow meters bɛ kunnafoniw di waati yɛrɛ la ji teliya ni a hakɛ kan min bɛ tɛmɛ circuit kɔnɔ. Diferential pressure transducteurs bɛ resistance sumanikɛlan tigitigiw di yɔrɔ kɛrɛnkɛrɛnnen dɔ kɔnɔ. A ka c’a la, analozi jateminɛnanw bɛ sumaya kojugu ani u tɛ tigitigi fo ka se ka degun jiginni walima jigin waati tɛmɛnenw minɛ. Donanw sɛbɛnni nizɛrikan na, o b’a to ɛntɛrinɛti kalanbagaw bɛ se ka degun danfaralenw sɛbɛn masinw ka sɛgɛsɛgɛli gɛlɛnw senfɛ. Nin minɛn ninnu bilali sen kan kɔrɔbɔli fɛɛrɛw la, o bɛ jateminɛ bɔ gɛlɛyaw ɲɛnabɔli la. Sumani tigitigi de ye fɛɛrɛ kelenpe ye min bɛ se ka a dɔn ni sumanikɛlan dɔ bɛ baara kɛ a ka baarakɛcogo kofɔlen kɔnɔ. Minɛnw kɛcogo ɲuman bɛ kɔlɔsili minnu bɛ kɛ ni hakili ye, olu sɛmɛntiya ka kɛ ɛntɛrinɛti kunnafoniw ye minnu bɛ se ka kɛ.

Spot Cavitation ani fiɲɛbɔli faratiw

Degun jiginni kojugu bɛ waleyali farati juguw lase a ma ka tɛmɛ fanga bɔnɛ nɔgɔman kan. Ni sigida tansiyɔn binna ji ka lafiɲɛbɔ tansiyɔn jukɔrɔ, cavitation bɛ kɛ. O ji bɛ tobi tiɲɛ na so funteni na, ka kɛ sababu ye ka lafiɲɛbɔlanw dilan minnu bɛ kɛ ni mikroskɔpi ye. Ni o bugunw bɛ woyo ka taa yɔrɔw la minnu ka degun ka bon, u bɛ bin ni fanga ye. O binkanni in bɛ sigida-la-sɔgɔsɔgɔninjɛw lawuli minnu bɛ nɛgɛ kɔnɔna yɔrɔw dingɛ ani k’u tiɲɛ. Fiɲɛ bilali bɛ o taamasiɲɛ suguw jira nka a bɛ fiɲɛ don a kɔnɔ sanni ka kɛ ji lafiɲɛ ye. O cogoya fila bɛɛ bɛ mankanba bila mɔgɔ la, ka yɛrɛyɛrɛ kosɛbɛ, ani ka yɔrɔw tiɲɛ joona. O faratiw dɔnni bɛ degun danfara kɔlɔsi kosɛbɛ. Ni degun jigincogo bɛ danyɔrɔ lakananenw kɔnɔ, o bɛ cavitation tiɲɛni fanga bali ka sɔrɔ.

Ladonni sariyaw walasa ka tiɲɛni bali

Jiko baara bɛna dɔgɔya waati kɔnɔ ni ladonni sariya gɛlɛnw ma kɛ. Ji saniya sariyaw ye lafasali fɔlɔ ye walasa ka kɔnɔnafili ka caya. Nɔgɔmugu fɛnɲɛnamafagalanw bɛ kɛ i n’a fɔ lapping compound, ka metering edges kɔrɔlenw sɛgɛn. O sɛgɛn in bɛ kɔnɔna jateminɛ caman Changer ani ka dɔ fara bypass leakage kan, ka sistɛm tansiyɔn jigin. Degun sɛgɛsɛgɛli kɛcogo kɔrɔ bɛ taabolo dɔ sigi sen kan farikolo yɔrɔw kɛnɛyako la. Ni an ye sisan degun jigintaw suma ni baarakɛda daminɛ kunnafoniw ye, o bɛ dɛsɛw jira minnu bɛna kɛ. Ji sɛgɛsɛgɛli bolodalen bɛ a to tulu bɛ a ka sɔgɔsɔgɔninjɛ wajibiyalen ni a girinya kɛrɛnkɛrɛnnen mara. Nin nɔgɔyali fɛɛrɛw waleyali b’a to sistɛmu bɛ baara kɛ ni baarakɛcogo ɲuman ye a ka ɲɛnamaya kɔnɔna bɛɛ la, a laɲininen bɛɛ kɔnɔ.

Kuncɛli

Ji-yɔrɔ tansiyɔn bɔnɛ bɛ ɲɛminɛ ni ji-yɔrɔ-ko sariya gɛlɛnw ye. Hali ni ɲɔgɔnkanu ni fanga caman yeli bɛ kɛ sababu ye ka zeru tansiyɔn jigin farikolo ta fan fɛ, a kɛlɛli bɛ se ka nɔgɔya kosɛbɛ. Ɛntɛrinɛti ɲɛmɔgɔw ka kan ka o bɔnɛw ɲɛnabɔ jatebɔcogo ɲuman fɛ ani yɔrɔw sugandili gɛlɛn fɛ. Kɔnɔna jateminɛ ni ji sɔgɔli jateminɛni bɛ na ni baarakɛcogo sɛgɛnbaliya ye ani funteni bɔli kojugu. Ji fanga siratigɛ ɲɛtaa bɛ tali kɛ paraziti fanga tiɲɛni dɔgɔyali la ɲɔgɔndan yɔrɔ bɛɛ la.

Walasa ka aw ka ji fanga sigicogo ɲɛ ani ka tansiyɔn jiginni kunntanw bɔ yen, aw bɛ nin fɛɛrɛ teliyalenw kɛ:

1. Aw bɛ aw ka sisan masinw jateminɛ ni diferential pressure transducteurs ye walasa ka resistance tigitigi suman control circuits kɔnɔ.

2. Aw bɛ valve ka flow coefficient (Cv) bɛn ka ɲɛsin circuit flow rate wajibiyalen ma, ka jate kɛ girinya kɛrɛnkɛrɛnnen ni baarakɛcogo funteni na.

3. Aw bɛ kɔnɔna casting geometries jateminɛ ani ka restrictive right-angle valves falen ni sweeping channel walima poppet designs ye yɔrɔ minnu na a bɛ se ka kɛ.

4. Aw bɛ aw ka manifold routing fɛɛrɛ jateminɛ ɲini walasa ka kɛnɛma fɛnw ni tubabufuraw bɔ yen minnu tɛ baara kɛ.

Ɲininkaliw

J: Tansiyɔn jiginni min bɛ sɔn ka kɛ jibolisira dɔ kan, o ye mun ye?

A: A ka c’a la, tansiyɔn jigincogo min bɛ sɔn, o bɛ kɛ 15 fo 50 psi cɛ sirako ɲɛnabɔlan jɔnjɔnw na. Proportional ani servo valves bɛ se ka kɛ sababu ye ka 150 fo 300 psi jigin walasa ka jateminɛ kɛcogo tigitigi mara. A bɛ se ka sɔn yɔrɔ min na tigitigi, o bɛ bɔ pewu sistɛmu ka baarakɛcogo tansiyɔn na, jibɔ wajibiyalenw na, ani funteni marali seko la.

J: Ji funteni bɛ nɔ jumɛn bila jibolisira tansiyɔn bɔnɛni na?

A: Ji funteni bɛ jɛɲɔgɔnya invers (dafalen) Kɛ ni jikuruw ka sɔgɔsɔgɔli ye. Ni funteni bɛ dɔgɔya, ji tulu bɛ bonya, o bɛ dɔ fara kosɛbɛ kɔnɔna sɔgɔli ni degun bɔnɛ kan. Ni sistɛmu bɛ sumaya, ji bɛ fin, o bɛ dɔ bɔ sɔgɔsɔgɔninjɛ kunbɛnni na ani ka tansiyɔn danfara bɛɛ lajɛlen jigin sumanmugu fan bɛɛ fɛ.

J: Yala i bɛ se ka tansiyɔn jiginni ban pewu jiko siratigɛ la wa?

A: Ayi, ka degun jigin pewu, o tɛ se ka kɛ farikolo ta fan fɛ. Fluid dynamics (Fluid dynamics) b’a jira ko ni tulu bɛ tɛmɛ dancɛ gɛlɛn o solide fɛ, o bɛ sɔgɔsɔgɔninjɛ lase. Fanga caman cili ka kan ka kɛ walasa ka ji wajibiya ka tɛmɛ dakunw fɛ ani ka sira kɔlɔsi. Optimisation (ɲɛnabɔli) bɛ sinsin o resistance (kɛlɛ) in dɔgɔyali kan, a t’a ban pewu.

J: Danfara jumɛn bɛ bɔnɛba ni bɔnɛ fitininw cɛ pibiliki jibɔ la?

A: Tɔnɔbaw bɛ tali kɛ ɲɔgɔnkanu la min bɛ sɔrɔ ji fɛ min bɛ tɛmɛ pipe walima hose janya tilennenw fɛ. Tɔnɔ misɛnninw bɛ sɔrɔ yɔrɔw jateminɛcogo fɛ, i n’a fɔ jiginni kɛrɛ kinin fɛ, kurukuruni, ani ji jiginni kɔfɛ valvew ni fittings kɔnɔ. Jiko siratigɛ gɛlɛnw na, bɔnɛ misɛnnin minnu bɛ fara ɲɔgɔn kan, olu ka teli ka tɛmɛ bɔnɛba kan.

J: I bɛ Cv jate cogo di jibɔlan dɔ la?

A: Cv jatebɔcogo jɔnjɔn bɛ jibɔ hakɛ (galɔn na miniti kelen kɔnɔ) ni girinya kɛrɛnkɛrɛnnen ju kɛrɛnkɛrɛnnen tilalen don ni degun jigincogo ye (psi kɔnɔ). Dilanbagaw bɛ Cv hakɛ basigilen di, injiniyɛriw bɛ baara kɛ ni min ye walasa ka degun bɔnɛko fɔ u ka ji kɛrɛnkɛrɛnnenw ni u ka jibɔ hakɛ la.

J: Mun na jibɔ hakɛ min ka bon, o bɛ dɔ fara degun jigin kan?

A: Ni jibɔ hakɛ ka ca, o bɛ ji hakɛ caman wajibiya ka tɛmɛ kɔnɔna da jɔlen dɔ fɛ. O bɛ dɔ fara ji teliya kan kosɛbɛ. Ikomi rezisti bɛ Bɛn ni teliya kɛrɛnkɛrɛnnen ye, ni i ye ji caman Gɛn ka Tɛmɛ yɔrɔ kelen na, o bɛ dɔ Fàra ɲɔgɔnkanu kan kosɛbɛ ani degun min bɛ Bɔ o la.

J: Ne bɛ se k’a dɔn cogo di ni degun dɔ bɛ ka kɛ sababu ye ka cavitation (cavitation) bila mɔgɔ la?

A: Cavitation bɛ farikolo taamasiɲɛ danfaralenw lase jikuruba kɔnɔ. Aw bɛna mankanba dɔ mɛn, min bɛ kɛ i n’a fɔ kabakurunw bɛ tɛmɛ pɔnpe walima pɔnpe fɛ. Yɛrɛyɛrɛ jugu bɛna kɛ layiniw na. Ni a tigɛra, i bɛ mikroskɔpi pitting ni erosion sɔrɔ nɛgɛ kɔnɔna na.