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Kupesvedzera nanodispersed magadzirirwo emagnetite poda pane yekupfapfaidza nozzle kushanda kweinjini yedhiziri (chikamu 1)

1. Nhanganyaya
Dambudziko rekupfeka uye kubvaruka kwepfapfaidzo nozzles dzeinjini dzedhiziri rakave nekuchimbidza maererano nezvinodiwa zvitsva zvekuchengetedzwa kwezvakatipoteredza zvine chekuita nemhando yemafuta edhiziri.Zvinotendwa kuti kana izvi zvinodiwa zvikazadzikiswa, zvinodikanwa, kuti uchengetedze mwero wemafuta, kuunza anti-wear additives mumafuta.Panyaya iyi, chiyero cheEurope chemhando yemafuta edhiziri yakaunza index ye lubricity [1, 2].Dambudziko iri rave pachena muRussia, uko kugadzirwa kwemafuta ane hushamwari kwezvakatipoteredza kunokura nekukurumidza.
Iyo yechinyakare nzira yekuwedzera iyo tribotechnical maitiro emafuta, nekuunza akasiyana marudzi ezvinonyungudika mazviri, sezvakaratidzwa nezvidzidzo zvevanyori vakasiyana, haina kunyatsoshanda kune mafuta.Naizvozvo, kuchengetedzwa kweanopesana-kupfeka zvinhu zvemafuta ibasa rakakosha, iyo mhinduro inogoneka chete pahwaro hwezvidzidzo zvakakosha zve tribochemical process uye kutsvaga zvinhu zvitsva pahwaro hwavo sekuwedzera.

2. Zvishandiso uye nzira
Antiwear agent [3] inosanganisira mafuta edhiziri ane 0.00001% micelles, akaumbwa pahwaro hwemamorekuru epurasitiki yakasimba lubricant ye iron oxide (Fe3O4), uye nemamorekuru akapoteredzwa eoleic acid (C18H34O2) muhuwandu hwe0.0001%.
Iyo yekuwedzera ine yakaderera shear kuramba uye yakawedzera lubricity yemafuta edhiziri kana ichi chinowedzera chinounzwa mairi.Iyo antiwear yekuwedzera yakawedzerwa kumafuta edhiziri muchiyero che 1/10 pane tembiricha ye60 ° C uye inoenderera ichikurudzira kweawa imwe.Mafuta akawanikwa akashandiswa kushanda muyedzo stand KI-921M ine majekiseni ane intrinsic magnetic field [4].Kuenzanisa antiwear zvimiro zvemafuta, zvichienderana nesarufa yemukati, bvunzo dzakaitwa dzemafuta ane sulfur yemukati ye0.035%, 0.2% uye 0.035% ine pamusoro apa antiwear yekuwedzera yakaunzwa.Iyo kosi yebvunzo uye maitiro ekugadzirisa data rekuyedza uchishandisa maturusi emazuva ano software zvigadzirwa zvekombuta masvomhu zvinopihwa muna [5].