Saboda karuwar buƙatu akan ingancin injunan diesel, turbochargers suna fuskantar yanayin zafi mafi girma. Sakamakon saurin rotor da matakan zafin jiki a cikin ayyukan wucin gadi sun fi tsanani don haka zafin zafi da damuwa na centrifugal suna ƙaruwa.
Don ƙayyade yanayin rayuwar turbochargers mafi daidai, ainihin ilimin rarraba zafin jiki na wucin gadi a cikin motar turbine yana da mahimmanci.
Babban bambance-bambancen zafin jiki a cikin turbochargers tsakanin turbine da kwampreso suna haifar da canjin zafi daga injin turbine a cikin mahallin mahalli. An sami ƙarin madaidaicin bayani ta hanyar ƙididdige ruwan a farkon tsarin kwantar da hankali da aka bincika ta hanyar warware duk ma'auni na ɗan lokaci. Sakamakon wannan tsarin ya haɗu da ma'auni na wucin gadi da tsayayye sosai, kuma za'a iya sake haifar da yanayin zafin jiki na ɗan lokaci daidai.
A gefe guda kuma, a shekarar 2006 an kai ga iskar gas har zuwa 1050 ° C a cikin injunan harba mai. Saboda yanayin yanayin shigar injin turbine, gajiyawar thermomechanical ya fi maida hankali. A cikin shekarun da suka gabata an buga binciken da yawa da suka danganci gajiyawar thermomechanical a cikin turbochargers. Bisa lambobi da aka annabta da ingantaccen filin zafin jiki a cikin motar turbine, an yi lissafin damuwa kuma an gano yankuna na matsanancin zafi a cikin motar turbine. An nuna, cewa girman ƙarfin zafi a cikin waɗannan yankuna na iya kasancewa a cikin kewayon daidai da girman ƙarfin centrifugal kadai, wanda ke nufin cewa ba za a iya yin watsi da damuwa mai zafi ba a cikin tsarin zane na radial turbine wheel.
https://www.syuancn.com/aftermarket-komatsu-turbine-wheel-ktr130-product/
Magana
Ayed, AH, Kemper, M., Kusterer, K., Tadesse, H., Wirsum, M., Tebbenhoff, O., 2013, "Binciken lambobi da na gwaji na yanayin zafi na wucin gadi na bawul ɗin wucewar tururi a yanayin zafi fiye da tururi. 700 °C", ASME Turbo Expo GT2013-95289, San Antonio, Amurka
R., Dornhöfer, W., Hatz, A., Eiser, J., Böhme, S., Adam, F., Unselt, S., Cerulla, M., Zimmer, K., Friedemann, W., Uhl, "Der neue R4 2,0l 4V TFSI-Motor im Audi A3", 11. Aufladetechnische Konferenz, Dresden, 2006
Lokacin aikawa: Maris 13-2022