Ka'idar aiki ta lokacin sufuri
Ka'idar Aunawa:
TheLokacin sufuriKa'idar Daidaitawa ta yi amfani da gaskiyar cewa lokacin tashi na siginar ultrasonic yana shafar saurin kwararar na'urar ɗaukar hoto. Kamar mai iyo da ke tafiya a kan kogi mai gudana, siginar ultrasonic tana tafiya a hankali sama da ƙasa.
NamuMita kwararar ultrasonic TF1100 TF1100aiki bisa ga wannan ƙa'idar transit-lime:
Vf = Kdt/TL
Ina:
Saurin VcFlow
K: Daidaito
dt: Bambanci a lokacin tashi
TL: Ave fushi Lokacin Sufuri
Lokacin da na'urar auna kwararar ruwa ke aiki, na'urorin transducer guda biyu suna watsawa da karɓar siginar ultrasonic da aka ƙara ta hanyar hasken haske mai yawa wanda da farko yana tafiya ƙasa sannan kuma yana tafiya sama. Saboda sautin ultra yana tafiya da sauri ƙasa fiye da sama, za a sami bambancin lokacin tashi (dt). Idan kwararar ta tsaya cak, bambancin lokaci (dt) sifili ne. Saboda haka, matuƙar mun san lokacin tashi ƙasa da sama, za mu iya gano bambancin lokaci, sannan saurin kwararar ruwa (Vf) ta hanyar dabarar da ke ƙasa.
Hanyar V
Hanyar W
Hanyar Z