I-Plug-in Plug-in Hydraulic Feelve Valve LALRV-10

-yisimilo

I-valve yokulawula ukugeleza okuncane, njengoba igama lakhona lisho, i-valve yokulawula enomthamo omncane wokujikeleza.

Umthamo wokugeleza we-valve yinkomba yamandla e-valve ngaphansi kwezimo ezihlangene. I-China imelwe ngenani le-C. Kuchazwa njengokuthi: Lapho i-valve ivulwe ngokuphelele, lapho umehluko wengcindezi ngaphambi nangemva kwe-Valve / cm2 kanye nesisindo esiphakathi yi-1g / cm3, isisindo esiphakathi (M3 / hr) sigeleza nge-valve njalo ngehora. Ngoketshezi olungenakuchazwa, ngaphansi kwesiphithiphithi esigcwele (lapho inombolo ye-Relynolds inkulu ngokwanele, re> 10 5 ngamanzi; re> 5.5 × 104 ngomoya)

Lapho:

△ P-Pressure Umehluko ngaphambi nangemva kwe-valve (kg / cm2) υ-medium ukuqina (g / cm3)

I-Q-Media Flow (M3 / H)

I-United States namanye amazwe basebenzisa inani le-C ukukhombisa amandla okugeleza kwe-valve. Amazwe akwamukelwa emhlabeni jikelele I, e kanye namazinga e-C ahlobene kakhulu nokusetshenziswa kukagesi inani le-AV ukukhombisa amandla okugeleza kwama-valves. Ubudlelwano bokuguqulwa phakathi kwabo ngokulandelayo:

I-CV = 1 .17 C CV = 10 6 / 24AV C = 10 6 / 28AV

Umthamo wokugeleza we-valve uncike kuphela ngesakhiwo se-valve uqobo. Lapho kubalwa umthamo we-valve flow umthamo, kufanele kuqashelwe ukuthi isimo sokugeleza kwi-valve sizohluka kakhulu lapho okuphakathi kwehlukile noma izimo zokugeleza zihlukile.

Endabeni yesilinganiso esincane sokugeleza, ikakhulukazi uketshezi olusezingeni eliphansi kanye nengcindezi ephansi, ubunzima obukhulu boketshezi buvame kakhulu uLaminar noma isimo esixubile se-lamid kanye nokugeleza kwesiyaluyalu. Ekugelezeni kwe-laminar, kukhona ubudlelwano obuqondile phakathi kokugeleza okuphakathi nge-valve kanye nomehluko wokucindezela ngaphambi nangemva kwe-valve. Esimweni esixubile sokugeleza kwe-laminar nokugeleza kwesiyaluyalu, ngokunyuka kwenombolo ye-Reynolds, noma ngabe umehluko wokucindezela uhlala njalo, inqwaba ye-dielectric egeleza nge-valve izokwanda. Ngokuphelele isiphithiphithi, izinga lokugeleza aliguquki ngenombolo yeReynolds. Noma kunjalo, ukukhethwa kokugeleza okuningana okulawulayo kusakwenziwa yizindlela zendabuko namafomula wokubala. Kodwa-ke, inani elibaliwe liphambuka kakhulu kusuka kunani langempela. Ngokusho kwemininingwane, lapho i-CV ingaphansi kwe-CV = 0.01, isetshenziswa kuphela njengenkomba yethatho futhi inenkomba yokubhekisisa. Umthamo wangempela wokujikeleza kufanele unqunywe ngokuya