Tmteck Angle Beam Transducers Gabatarwa
Ana amfani da dabarar kusurwa-katako (Shear Wave) don gwajin takardar, farantin, bututu, da walda. Ana sanya guntun filastik tsakanin abin gwaji da transducer tare da fim ɗin juzu'i tsakanin transducer da gungume. Yankin filastik yana ba da izinin ƙarar sauti don shigar da abin gwaji a kusurwa. Sautin sautin kuma ana nuna shi zuwa ga transducer kamar yadda yake cikin gwajin madaidaiciya.
Sau da yawa gwajin katako kai tsaye ba zai sami lahani ba. Misali, idan lahani na tsaye ne kuma yana da kauri sosai, ba zai sake nuna isasshen sautin zuwa ga transducer ba don sanar da mai gwajin cewa akwai. A lokuta irin wannan, dole ne a yi amfani da wata hanyar yin gwajin duban dan tayi. Wata hanya ta gwajin duban dan tayi shine gwajin katako. Gwajin katako na kusurwa yana amfani da abin da bai wuce digiri 90 ba. A cikin gwajin lamba, an toshe filastik mai kusurwa a tsakanin transducer da abu don ƙirƙirar kusurwar da ake so. Don gwajin katako na kusurwa a cikin tsarin nutsewa, ba a buƙatar bulogin filastik saboda kawai ana iya jujjuyawa cikin ruwa.
Idan an canza kusurwar abin da ya faru ya zama wani abu ban da digiri 90, ana samar da raƙuman ruwa na tsawon lokaci da nau'in sauti na biyu. Wadannan sauran raƙuman ruwa ana kiransu raƙuman ruwa. Saboda raƙuman ruwa sun shiga ta kusurwa, ba duka ke tafiya kai tsaye ta kayan ba. Molecules a cikin abin gwajin suna jan hankalin junansu saboda daskararru suna da alaƙa mai ƙarfi. Ƙwayoyin dake ɗauke da sautin suna janyo hankalin su ga ƙwayoyin da ke kewaye da su. Saboda kusurwa, waɗannan sautin da ke ɗauke da ƙwayoyin ƙwayoyin cuta ana jan su ta hanyar jan hankalin runduna a cikin alkiblar da ta ke daidai da inda igiyar take. Wannan yana haifar da raƙuman ruwa, ko raƙuman ruwa waɗanda ƙwayoyin su ke tafiya kai tsaye zuwa inda raƙuman suke.
Gwajin katako na kusurwa da canji a kusurwar abin da ke faruwa shima yana haifar da ƙarin rikitarwa. Ka tuna cewa lokacin da igiyar ruwa ta bugi farfajiya a wani kusurwa, za a juya ta, ko lanƙwasa, lokacin da ta shiga sabon matsakaici. Don haka, raƙuman raƙuman ruwa da raƙuman ruwa na tsawon lokaci za a sake jujjuya su a cikin abin gwaji. Adadin jujjuyawar ya dogara da saurin sauti a cikin tsaka -tsaki biyu tsakanin abin da igiyar ke tafiya. Tun da saurin raƙuman raƙuman ruwa yana da hankali fiye da saurin raƙuman ruwa na tsawon lokaci, kusurwoyinsu na jujjuyawar za su bambanta. Ta amfani da dokar Snell, zamu iya lissafin kusurwar jujjuyawar idan mun san saurin sauti a cikin kayan mu.
An zaɓi kusurwa don tabbatar da cewa an sami amsa kuwwar daga kurakuran da ake zargi. Waɗannan su ne mafi yawan lalatattun lahani, misali rashin haɗawa a gefen bangon waya da kuma tushen, ko fasa. Hanyoyin binciken da galibi ana amfani da su don bambanta kaurin karfe sune kamar haka:
a. 70 Wedge - 0.250 zuwa 0.750 inci a kauri
b. 60 Wedge - 0.500 zuwa 2.00 inci a kauri
c. 45 Wedge - 1.500 kuma sama cikin kauri
Dole ne a yi amfani da binciken da ake gudanarwa a wasu kusurwoyi, ya dogara da matsayin aibi a cikin abin da ke ƙarƙashin gwaji, kuma don lokuta na musamman a cikin sassan sirara. Yawan yakamata ya zama ƙasa da ƙasa don gujewa ragi mai yawa.
Angle Beam Transducers da wedges galibi ana amfani da su don gabatar da raƙuman raƙuman ruwa a cikin kayan gwaji. Hanyar sauti mai kusurwa tana ba da damar sautin sauti ya shigo daga gefe, ta hakan yana inganta gano ɓoyayyun a ciki da kewayen wuraren waldi.
Lokacin aikawa: Sep-26-2021