Ama-flowmeter e-electromagnetic (EMF) asebenza ngokusekelwe kuMthetho kaFaraday we-Electromagnetic Induction, odinga ukuthi uketshezi oluhambayo olulinganisiwe kumele lugcwalise ngokuphelele ipayipi futhi lugeleze kahle ensimini yamagnetic yenzwa. Kungale ndlela kuphela lapho ama-electrode angabona ngokunembile amandla e-electromotive (EMF) akhiqizwa uketshezi olusika imigqa yamandla kagesi, ukuze kukhishwe idatha yokugeleza enembile. Ukufaka i-EMF endaweni ephezulu kakhulu yepayipi noma emthambekeni ophansi kuzophula ngqo lesi simo sokusebenza esiyinhloko, okuholela emaphutheni amakhulu okulinganisa, ukusebenza okungazinzile ngisho nokwehluleka kwemishini. Izizathu ezithile zichazwe kanje:
Ukufakwa Endaweni Ephakeme Kakhulu Yephayiphi
Ukufaka i-flowmeter kagesi endaweni ephakeme kakhulu yepayipi kungenye yezindlela ezivame kakhulu zokufaka ezingalungile, okuzobangela izinkinga ezimbili ezibalulekile ezithinta ukunemba kokulinganisa:
Okokuqala, umoya namabhamuza kulula ukuwaqoqa. Enkambisweni yokuthuthwa koketshezi, umoya uvame ukuhlanganiswa epayipini, futhi ngenxa yesimiso sokuntanta kwegesi, lo moya namabhamuza kuzophakama njalo futhi kuqoqeke endaweni ephakeme kakhulu yepayipi. Lapho i-flowmeter ye-electromagnetic ifakiwe lapha, umoya oqoqiwe uzokwakha isikhwama somoya epayipini lokulinganisa inzwa, elizomboza ngqo ama-electrode okulinganisa e-flowmeter. Njengoba umoya uyindlela engeyona eyokuhambisa umoya, uzovimba ukuxhumana phakathi kwama-electrode noketshezi oluhambisa umoya, okwenza ama-electrode angakwazi ukubona amandla e-electromotive abangelwa uketshezi olusika insimu yamagnetic. Ngenxa yalokho, i-flowmeter izobonisa izinto ezingavamile njengokufundwa okungazinzile, ukushintshashintsha okungahleliwe, ama-alamu epayipi angenalutho, noma ngisho nokungabikho kokubonisa ukugeleza (imitha ibonisa u-0 uma kukhona ukugeleza koketshezi kwangempela).
Isikhathi sokuthunyelwe: Meyi-11-2026