Izinzwa Zesikhathi Zokuhamba
Izinzwa zesikhathi zokuhamba zisebenza ngokusekelwe esimisweni sokulinganisa umehluko wesikhathi wamagagasi e-ultrasonic ukuhamba ngendlela yokugeleza nangokumelene nendlela yokugeleza. Lezi zinzwa ngokuvamile zakhiwa ama-transducer amabili e-ultrasonic. I-transducer eyodwa isebenza njengomthumeli, ikhipha amagagasi e-ultrasonic oketshezini, kanti enye isebenza njengomamukeli.
Uma uketshezi luhamba, amagagasi e-ultrasonic ahamba phansi azofika kumukeli ngesikhathi esifushane uma kuqhathaniswa nalawo ahamba phezulu. Ngokulinganisa ngokunembile lo mehluko wesikhathi, ijubane lokugeleza koketshezi lingabalwa. Izinzwa zesikhathi sokuhamba zinembile kakhulu futhi zifanelekela ukulinganisa ukugeleza koketshezi oluhlanzekile nolufanayo. Zivame ukusetshenziswa ezisetshenziswayo lapho kudingeka khona ukulinganisa ukugeleza okunembile okuphezulu, njengasezitshalweni zokucubungula amakhemikhali zokulinganisa ukugeleza koketshezi oluhlanzekile noma kwezinye izindawo zokwelashwa kwamanzi.
Umphumela we-Doppler- Izinzwa Ezisekelwe
Umphumela we-Doppler - izinzwa ezisekelwe kumphumela we-Doppler zincike kumphumela we-Doppler, okwenzeka lapho kukhona ukunyakaza okuhlobene phakathi komthombo we-ultrasonic (i-transmitter), uketshezi, kanye ne-receiver. Ku-Doppler ultrasonic flow meter, i-ultrasonic transducer ikhipha amagagasi e-ultrasonic oketshezini. Uma kukhona izinhlayiya noma amabhamuza oketshezini, amagagasi e-ultrasonic azohlakazwa yilezi zinto ezihambayo. Imvamisa yamagagasi ahlakazekile atholwe yi-transducer izohluka kumvamisa okhishwayo.
Lokhu kushintsha kwemvamisa kuhambisana nesivinini sezinhlayiya noma amabhamuza oketshezini, ngakho-ke, ijubane lokugeleza koketshezi linganqunywa. Izinzwa ezisekelwe ku-Doppler effect ziwusizo kakhulu ekulinganiseni ukugeleza koketshezi oluqukethe izinhlayiya noma amabhamuza alengayo, njengamanzi angcolile ezitshalweni zokuhlanza amanzi amdaka, ama-slurry embonini ye-pulp kanye nephepha, noma izingxube zamanzi kawoyela embonini kaphethiloli.
Ngaphezu kwalezi zinhlobo ezimbili eziyinhloko, kukhona nezinzwa ezihlanganisiwe ezihlanganisa izici zokuhamba - isikhathi kanyeUmphumela we-Doppler- izinzwa ezisekelwe kuzo. Lezi zinzwa ezixubile zihlose ukusizakala ngamandla azo zombili izinhlobo zezinzwa, zinikeze izilinganiso zokugeleza ezinembile nezithembekile ezimweni eziyinkimbinkimbi zoketshezi.
Ekuphetheni, ukukhethwa kwesigaba sezinzwa kuImitha yokugeleza kwe-Doppler ultrasonickuncike ohlotsheni loketshezi olulinganiswayo. Izinzwa zesikhathi sokuhamba zilungele uketshezi oluhlanzekile, kuyilapho izinzwa ezisekelwe ku-Doppler effect zilungele uketshezi olunento elengayo. Ukuqonda lezi zigaba zezinzwa kubalulekile konjiniyela kanye nabaqhubi ukukhetha imitha yokugeleza ye-Doppler ultrasonic efaneleke kakhulu yezinhlelo zabo ezithile, ukuqinisekisa ukulinganiswa kokugeleza okunembile nokuphumelelayo.
Isikhathi sokuthunyelwe: Mashi-17-2025