Umsebenzi wee-electromagnetic flowmeters (EMF) usekelwe kuMthetho kaFaraday we-Electromagnetic Induction, ofuna ukuba ulwelo oluhambayo olulinganisiweyo luzalise ngokupheleleyo umbhobho kwaye luhambe ngokuzinzileyo kwintsimi yemagnethi yesensor. Kungale ndlela kuphela apho ii-electrodes zinokuthi zibone ngokuchanekileyo amandla e-electromotive (EMF) aveliswa lulwelo olusika imigca yamandla emagnethi, ukuze kukhutshwe idatha echanekileyo yokuhamba. Ukufaka i-EMF kwindawo ephezulu yombhobho okanye kwithambeka elisezantsi kuya kwaphula ngokuthe ngqo le meko yokusebenza ephambili, okukhokelela kwiimpazamo ezinkulu zokulinganisa, ukusebenza okungazinziyo kunye nokusilela kwezixhobo. Izizathu ezithile zichazwe ngolu hlobo lulandelayo:
Ukufakelwa kwindawo ephezulu yePipeline
Ukufaka i-flowmeter ye-electromagnetic kwindawo ephezulu yombhobho yenye yezona ndlela ziqhelekileyo zokufakela ezingachanekanga, nto leyo eya kubangela iingxaki ezimbini ezibalulekileyo ezichaphazela ukuchaneka kokulinganisa:
Okokuqala, umoya kunye namaqamza kulula ukuwaqokelela. Kwinkqubo yokuthutha ulwelo, umoya uhlala uxutywa kwipayipi, kwaye ngenxa yomgaqo wokudada kwegesi, la moya kunye namaqamza aya kunyuka rhoqo aze aqokelele kwindawo ephezulu yombhobho. Xa i-flowmeter ye-electromagnetic ifakiwe apha, umoya oqokelelweyo uya kwenza ipokotho yomoya kwityhubhu yokulinganisa ye-sensor, eya kuvala ngokuthe ngqo ii-electrode zokulinganisa ze-flowmeter. Ekubeni umoya ungengowomoya oqhubayo, uya kuvala unxibelelwano phakathi kwee-electrode kunye nolwelo oluqhubayo, okwenza ii-electrode zingakwazi ukubona amandla e-electromotive abangelwa lulwelo olusika intsimi yemagnethi. Ngenxa yoko, i-flowmeter iya kubonisa izinto ezingaqhelekanga ezifana nokufundwa okungazinzanga, ukutshintshatshintsha okungacwangciswanga, ii-alamu zepayipi ezingenanto, okanye ukungabikho komboniso wokuhamba (imitha ibonisa u-0 xa kukho ukuhamba kolwelo okwenyani).
Ixesha leposi: Meyi-11-2026