seth@tkflow.com 
General Tsananguro
Mvura, sezita racho rinoreva, rinoonekwa nekugona kwayo kuFlow.it dzakasiyana kubva kune yakasimba mukusimbisa nekuda kwekushushikana neshungu, kunyangwe kushushikana kweshoko racho kungave. Chaicho chete ndechekuti nguva yakakwana inofanira kuputira kuti kushatirisa kuitike. Mune iyi pfungwa iyo mvura isingakwanisi.
Mvura inogona kukamurwa kuita zvinwiwa nemagasi. Iyo mvura ingori zvishoma kuwirirana uye pane nzvimbo yemahara kana yaiswa mumudziyo wakavhurika. Kune rimwe divi, gasi rinogara richikura kuzadza mudziyo wayo. Iyo vapor ndeye gasi riri pedyo nemvura yemvura.
Iyo mvura iyo injinjini inonyanya kunetseka ndeye mvura. Inogona kunge iine kusvika kumatatu muzana emhepo mumhinduro iyo yakadzika-mumativi ekumanikidza inowanzo kusunungurwa. Gadziriro inofanira kuitirwa izvi kana uchigadzira mapapu, mavhavha, mapipi, nezvimwe.
Diesel Injini Vertiki Turbine Centriful Inline Shaft Drainage Drainage pombi Pombi Pamhepo VTP Type Vertical Drainage pombi iri muVTP mhando vertical mvura emvura, uye pahwaro hwekuwedzera necolar, isa iyo chubhu mafuta emvura. Kuputa tembiricha pazasi 60 ° C, tumira kuve neyakagadzirwa zviyo (sekukanda simbi nesimbi uye nejecha rakanaka, etc.) yegungwa kana marara emvura.
Iyo huru yemuviri zvivakwa zvemvura inotsanangurwa seinotevera:
Density (ρ)
Iyo dentity yeiyo fluid ndeye misa yayo payuniti vhoriyamu. Mune sist system inoratidzwa se kg / m3.
Mvura iri padzimba rayo rakanyanya re 1000 kg / m3pa4 ° C. Iko kune kushoma kuderera kwekuwedzera mukuwedzera nekuwedzera kupisa asi kune zvinangwa zvinoshanda densiti yemvura ndeye 1000 kg / m3.
Harsional density ndiyo chiyero chehurongwa hwemvura kune iyo yemvura.
Chaiyo misa (w)
Iyo chaiyo misa yeiyo fluid im misa kwayo pane yuniti volume.in sig system, inoratidzwa muN / m3. Panguva dzakajairika, w ndeye 9810 n / m3kana 9,81 kn / m3(anenge 10 kn / m3 yekuzorora kwekuverenga).
Chaiyo gravity (sg)
Iyo chaiyo gravity yemvura ndeye huwandu hwehuwandu hwehuwandu hwehuwandu hwakapihwa hwemvura kusvika kuhuwandu hwehuwandu hwehuwandu hwemvura. Nekudaro zvakare zvakare iyo chiyero cherusununguko rwemvura kusvika pakusimba kwemvura yakachena, kazhinji zvese pa15 ° C.
Vacuum priming zvakanaka point pombi
Model Kwete: TWP
TWP Series DiAVable Inile Indic-prumbing Well Popel Pope emvura emvura yekukurumidzira yakagadzirirwa neDrakos Pombi yeSingapore uye reefulo yeGermany. Iyi nhevedzano ye pombi inogona kutakura marudzi ese ezvakachena, asina kwaakarerekera uye akashatisa pakati penzvimbo. Gadzirisa yakawanda yeiyo tsika yekuzvinyudza pombi. Urwu rudzi rwekuzvinyudza-prumping pombi yakasarudzika inoomeswa ichimhanya ichave otomatiki yekutanga uye inotangazve isina mvura yekutanga kutanga, musoro wekutora unogona kudarika 9 m; Yakanakisa hydrauc dhizaini uye yakasarudzika chimiro chengetedza iyo yakakwira kugona kupfuura makumi manomwe neshanu muzana. Uye zvakasiyana mamiriro ekuisa sarudzo yesarudzo.
Bulk Modulus (k)
kana zvinangwa zvinoshanda, zvinwiwa zvinogona kutariswa sezvisingaenderane. Nekudaro, pane zvimwe zviitiko, sekuyerera zvisina kuoma mu pombi, uko kuenderana kunofanirwa kuitwa. Iyo Bulk modulus yeElasticity, K, inopihwa na:
Iko p kuri kuwedzera kwekumanikidzwa uko, kana kuchishandiswa kune vhoriyamu v, zvinoguma nekuderera muvhoriyamu av. Sezvo kuderera kwehuwandu kunofanirwa kuve kwakabatana nekuwedzera kwekuwedzera kwekuwedzera, equation 1 inogona kutaurwa se:
kana mvura, k inosvika 2 150 MPA pane zvakajairika tembiricha uye dzvinyiriro. Inotevera iyo mvura inenge zana kanosvika kakawanda kupfuura simbi.
Yakanakisa fluid
Iyo yakakodzera kana yakakwana fluid iri iyo iyo isina tangential kana shear kushushikana pakati peiyo fluid svedzero. Iwo masimba anogara achiita zvakajairika pachikamu uye anogumira kumanikidzwa uye masimba emasimba. Hapana chimiro chaicho chinowirirana zvizere neiyi pfungwa, uye kune ese mvura mukufamba kune tangential kushushikana kunova nemhedzisiro yekufamba. Nekudaro, zvimwe zvinwiwa, zvinosanganisira mvura, vari pedyo nemvura yakanaka, uye iyi fungidziro yakareruka inoita kuti nzira dzemasvomhu kana dzirume kuti dziratidzwe mumhinduro yezvimwe matambudziko kuyerera.
Model Kwete: XBC-VTP
XBC-VTP Series Vertical Long Shaft Fire Fire Kurwisa Pums Isu takavandudzawo dhizaini nerevo yeiyo Standard of United States Fire Dziviriro Sangano. Izvo zvinonyanya kushandiswa kumoto mvura muPetrochemical, gasi rechisikigo, chirimwa chemagetsi, machira, wharf, mhizha, yekuvaka, yakakwirira-yekuvaka uye mamwe maindasitiri. Izvo zvinogona zvakare kushanda muchikepe, tangi regungwa, ngarava yemoto uye dzimwe nguva dzekutangisa.
Viscosity
Iyo viscosity yemvura chiyero chekurwisa kwayo kune tangential kana shear kushushikana. Inomuka kubva mukudyidzana uye kubatana kwemamorekuru emvura. Mvura yese chaiyo ine zvisizvo zvevisiko, kunyangwe kuita madhigirii akasiyana. Iko kushushikana kwesimba mune yakasimba kuenderana nehuremu nepo kushungurudzika kweshekituru mune iyo mwero wekuve neyekuzara neyekuita kuti panogona kunge pasina kushushikana kwemvura iri pakuzorora.
Fig.1.viscous deformation
Funga nezve svutugadzike yemvura pakati pemapakero maviri ayo ari pfupi pfupi pfupi yaryo (Fig. 1). Iyo yepazasi ndiro iri stationary iyo iyo yepamusoro plate iri kufamba paVelocity V Iko hakuna kuyerera-kuyerera kana kufungidzira. Iyo layer iri padyo neyekumira plate ndeyekuzorodza apo iyo denderedzwa iri padhuze neplate inofamba ine velocity v. Muyero wekuveza gradient ndeye DV / DY. Iyo Dynamic viscosity kana, zvimwe chete, iyo viscosity μ inopihwa na
Kuti:
Uku kutaura kweiyo viscous kushushikana kwakatanga kuiswa naSwton uye kunozivikanwa seNewton's equation yeViscosity. Vanenge zvese zvinwiwa zvine chimiro chinogara chichienzaniswa uye zvinonzi neNewtian Fluids.
Fig.2. Hukama pakati pekujekesa kushushikana uye kuwanda kwekuveura kunetseka.
Mufananidzo 2 Chiratidzo cheGirafu cheEquation 3 uye chinoratidza maitiro akasiyana emari uye zvinwiwa pasi pekuveura kushushikana.
Viscosity inoratidzwa mumasendimendi (PAR.S / NS / M2).
Mumatambudziko mazhinji nezvekufamba kwemvura, iyo viscosity inoonekwa neiyo density mune fomu μ / p (yakazvimiririra yesimba) uye iri nyore kushandisa izwi rimwe v, rinozivikanwa seye kinematic viscosity.
Iko kukosha kwe ν yeiyo inorema mafuta inogona kunge yakakwira se900 x 10-6m2/ Pamhepo tembiricha, iyo kinematic yisikoka yemhepo inenge 13 nguva yemvura.
Kumusoro kusimba uye carillarity
ONA:
Chinosheni ndiko kukwezva uko mamorekuru akafanana nemamolekyu kune mumwe nemumwe.
Adhishing ndiko kukwezva uko mamorekuru anosuwa kune mumwe nemumwe.
Kumusoro kwesimba ndiko kunoita kuti donhwe remvura iro riitwe mumvura kuti riitwe mukumiswa pane tap, mudziyo wacho kuzadzwa nemvura zvishoma pamusoro pehupombwe kana kushayiwa kana tsono yekubira pamusoro pemvura. Zvese izvi zviitiko zvinokonzerwa nekubatana pakati pemamorekuru kumusoro kwechinhu chinobatanidza chimwe chinongedzo chimwe chinongedzo kana gasi. Izvo zvinoita sekunge zviri pamusoro penzvimbo yeiyo elastic membrane, yunifomu yakamanikidzwa, iyo inowanzoita nguva dzose kubirirana munzvimbo yepamusoro. Nekudaro isu tinoona iyo bubbles yegesi mumvura uye madonhwe emanyoro mumamiriro ezvinhu anenge anenge anonhuwirira muchimiro.
Iyo yekumanikidza kwekunetseka kweinonhuwira pamusoro pei chero mutsara wekufungidzira pane yakasununguka nzvimbo yakaenzana nehurefu hwemutsara uye zviito munzira yepakati peripi. Iyo nzvimbo yekunetsana payuniti urefu inoratidzwa muMN / m. Housude yaro idiki, ichangoita anenge 73 mn / m yemvura inosangana nemhepo pamhepo tembiricha. Pane kushoma kuderera kwemukati kwemakumiipane nekuwedzera kupisa.
Muzvakawanda zvekushandisa mu hydraulocs, pamusoro pekunetseka kushoma kubviswa sezvo mauto akabatana anowanzo fungisisa mukuenzanisa neHydrostatic nemasimba emasimba. Kumusoro kushushikana kunongokosha chete pane kune yakasununguka nzvimbo uye miganho yemagariro idiki. Saka pane nyaya ye hydraulic mhando, kushushikana kwekunetseka, izvo zvisina mhedzisiro mune iyo prototype, inogona kukanganisa maitiro ekuyerera mumuenzaniso, uye iyi tsime rekukanganisa mukufungidzira rinofanira kuitiswa mukuratidzira kana uchidudzira mhedzisiro.
Kumusoro kushushikana kwekutaurwa kwakanyatsotaurwa mune nyaya yematumbu ezvidimbu zvidiki zvakavhurika kune iyo mamiriro ekunze. Izvi zvinogona kutora chimiro chemanometer machubhu mune yerabhoritari kana kuvhura pores muvhu. Semuenzaniso, apo tube diki yegiru yakanyudzwa mumvura, ichaonekwa kuti mvura inomuka mukati mehubhu, sezvakaratidzwa mumufananidzo 3.
Iyo mvura yemvura mune tube, kana meniscus sezvazvinonzi, idanhi kumusoro kumusoro. Phenomenon inozivikanwa secpillarity, uye tangential kusangana pakati pemvura negirazi zvinoratidza kuti kubatana kwemukati kwemvura kuri pasi pemvura negirazi. Dzvinyiriro yemvura iri mukati mehubhu padhuze kune iyo yemahara nzvimbo iri pasi peyemupomeri.
Fig. 3. Capillarity
Mercury anozvibata zvakasiyana zvakasiyana, sezvakaratidzwa mumufananidzo 3 (b) Kumanikidzwa padhuze neyemahara pamusoro kwakakura kupfuura munhukempheric.
Cuclarity Mhedzisiro muManometers uye Guru Magirazi Magirazi anogona kudzivirirwa nekushandisa machubhu ayo asiri pasi pegumi mm diameter.
Centrifugal sea mvura yekuenda pombi
Model No: Asn Asnv
Model Asn and Asnv Pumps ibhesero-nhanho Sucling Split Casing Centrifugal Pumps, Kuvaka Popp Station, Systems yemvura, system yemaindasitiri, kufambisa kwemoto, ngarava, chikepe, chivakwa, chivakwa chikaitika.
Vapor kumanikidza
Liquid mamorekuru iya iya yakakwana yeKinetic simba inofungidzirwa kubva kune iyo huru muviri wemvura iri panzvimbo yayo yemahara uye inopinda mumapepa. Dzvinyiriro ichishandiswa nemupendero uyu inozivikanwa seMuputi kumanikidza, P ,. Kuwedzera kwe tembiricha kunosanganiswa neyakaora monocular yekusagadzikana uye nekudaro kuwedzera kwemvura kumanikidza. Kana iyo Mvura yekumanikidza yakaenzana nekumanikidzwa kwegesi iri pamusoro payo, iwo mimhanzi yemvura. Iyo vapor kumanikidzwa kwemvura pa15 ° C is 1,72 KPA (1,72 kn / m2).
Kumanikidzwa kwemhepo
Dzvinyiriro yeMamiriro ekunze paPasi Pasi Inoyerwa neBarometer. Padanho regungwa iyo yekumanikidza kufuratirwa guva 101 KPA uye yakagadziriswa pane iyi kukosha. Pane kuderera kwekumanikidzwa kwemweya nekunyomba; Semuenzaniso, pana 1 500m inoderedzwa kusvika ku88 kpa. Iyo kirabhu yemvura yakaenzana ine kukwirira kwegumi nemapfumbamwe pagungwa, uye inowanzotaurwa nezvemvura yerarometer yemvura. Kureba ndeye hypothetical, sezvo iyo Mvura yekumanikidza kwemvura yaizotangira vacuum yakazara vachiwanikwa. Mercury ndiyo yakanyanya superior barometric mvura yemvura, sezvo iyo ine kusarongeka kwemweya kumanikidza. Zvakare, dens yakakura inoguma necumn yekureba kwekureba-uye 0,75 m kugungwa.
Sezvo zvakanyanya kudzvinyirira kusangana mu hydraulocs kumanikidzwa uye kunoyerwa nezviridzwa zvinokonzeresa, zvinokwanisika kufunga nezvekumanikidzwa kweiyo datum, kureva zero. Dzvinyiriro dzinobva dzataurwa pamusoro penzvimbo yekumajasi kana iri pamusoro pomukati nekumanikidza uye vacuum dzvinyiriro kana pazasi payo. Kana zero yechokwadi zero inotorwa seDatum, dzvinyiriro dzinonzi rakazara. Muchitsauko 5 uko NPSH inokurukurwa, manhamba ese anotaurwa mumvura yakazara Barometer, iesea level = 0 bar gage = 1 bar mhedziso = 101 kpa = 101 kpa = 10,3 m mvura.
Kutumira Nguva: Mar-20-2024