Ngo-11:30 ngo-Okthoba 19, 2021, injini yerokhethi eqinile yaseChina eyakhiwe ngokwayo ene-thrust enkulu kunazo zonke emhlabeni, isilinganiso esiphezulu somfutho ukuya kumass, kanye nokusebenza okunobunjiniyela yavivinywa ngempumelelo e-Xi'an, okumaka ukuthi i-China inamandla okuthwala okuqinile. kuzuzwe kakhulu. Ukuthuthukiswa kubaluleke kakhulu ekukhuthazeni ukuthuthukiswa kobuchwepheshe bezimoto ezinkulu nezisindayo esikhathini esizayo.
Ukuthuthukiswa okuphumelelayo kwama-rocket motors aqinile akubandakanyi nje ukusebenza kanzima nokuhlakanipha kososayensi abangenakubalwa, kodwa futhi ngeke kwenzeke ngaphandle kweminikelo yezinto eziningi zamakhemikhali ezifana nemikhiqizo ye-tungsten ne-molybdenum.
I-solid rocket motor iyi-chemical rocket motor esebenzisa i-propellant eqinile. Ikakhulukazi yakhiwe igobolondo, okusanhlamvu, igumbi elivuthayo, ukuhlanganiswa kombhobho, kanye nomshini wokuthungela. Lapho i-propellant ishiswa, igumbi lomlilo kufanele limelane nokushisa okuphezulu okungaba ngu-3200 degrees kanye nokucindezela okukhulu mayelana ne-2 × 10 ^ 7bar. Uma kucatshangelwa ukuthi kungenye yezingxenye zomkhumbi-mkhathi, kuyadingeka ukuthi kusetshenziswe izinto ezilula ezisezingeni eliphezulu ezisezingeni eliphezulu ezifana ne-Made of molybdenum-based alloy noma i-titanium-based alloy.
Ingxubevange esekwe kwi-molybdenum iyingxubevange engeyona insimbi eyakhiwe ngokwengeza ezinye izakhi ezifana ne-titanium, i-zirconium, i-hafnium, i-tungsten kanye nomhlaba ongavamile one-molybdenum njenge-matrix. Inokumelana okuhle kakhulu nezinga lokushisa eliphezulu, ukumelana nomfutho ophezulu kanye nokumelana nokugqwala, futhi kulula ukuyicubungula kune-tungsten. Isisindo sincane, ngakho-ke kufanelekile kakhulu ukusetshenziswa ekamelweni elivuthayo. Kodwa-ke, ukumelana nezinga lokushisa eliphezulu nezinye izakhiwo zama-alloys asekelwe ku-molybdenum ngokuvamile azilungile njengama-alloys asekelwe ku-tungsten. Ngakho-ke, ezinye izingxenye zenjini yerokhethi, njengamalayini omphimbo namashubhu okuthungela, zisadinga ukukhiqizwa ngezinto ezisekelwe ku-tungsten.
Ulayini womphimbo ulayini womphimbo we-rocket motor nozzle. Ngenxa yesimo esinzima sokusebenza, kufanele futhi ibe nempahla efanayo nempahla yegumbi likaphethiloli kanye nempahla yeshubhu yokuthungela. Ngokuvamile yenziwe ngezinto ezihlanganisiwe zethusi ze-tungsten. Impahla yethusi ye-Tungsten iwuhlobo lwensimbi olupholisa umjuluko oluzenzakalelayo, olungagwema ngempumelelo ukuguqulwa kwevolumu kanye nezinguquko zokusebenza emazingeni okushisa aphezulu. Isimiso sokupholisa umjuluko siwukuthi ithusi eliku-alloy lizoncibilika futhi lihwamuke ekushiseni okuphezulu, okuzobe sekubamba ukushisa okuningi futhi kunciphise izinga lokushisa elingaphezulu lempahla.
I-tube yokuthungela ingenye yezingxenye ezibalulekile zedivayisi yokuthungela injini. Ivamise ukufakwa emlonyeni we-flamethrower, kodwa idinga ukungena ijule egumbini elivuthayo. Ngakho-ke, izinto zayo eziyisisekelo ziyadingeka ukuze zibe nokumelana okuhle kakhulu nokushisa okuphezulu kanye nokumelana nokukhishwa kwe-ablation. Ama-alloys asekelwe ku-Tungsten anezakhiwo ezinhle kakhulu ezifana ne-high melting point, amandla aphezulu, ukumelana nomthelela, kanye ne-coefficient yokwandisa umthamo ophansi, okuwenza abe enye yezinto ezithandwayo zokwenziwa kwamashubhu okushisa.
Kuyabonakala ukuthi imboni ye-tungsten ne-molybdenum ibe negalelo empumelelweni yokuhlolwa kwenjini yerokhethi eqinile! Ngokusho kwe-Chinatungsten Online, injini yalokhu kuhlolwa kwakhiwe yi-Fourth Research Institute of China Aerospace Science and Technology Corporation. Inobubanzi obungamamitha angu-3.5 kanye nokusunduza okungamathani angama-500. Ngobuningi bobuchwepheshe obuthuthukisiwe obufana nama-nozzles, ukusebenza kahle kwenjini sekufinyelele ezingeni elihamba phambili emhlabeni.
Kuyafaneleka ukubalula ukuthi kulo nyaka i-China yenze imicibisholo emibili eyenziwe ngabantu. Okusho ukuthi, ngo-9:22 ngoJuni 17, 2021, kwethulwa irokhethi elithwala i-Long March 2F elithwele umkhumbi-mkhathi ophethwe umuntu we-Shenzhou 12. U-Nie Haisheng, uLiu Boming, no-Liu Boming bethulwe ngempumelelo. UTang Hongbo uthumele osomkhathi abathathu emkhathini; ngo-0:23 ngo-Okthoba 16, 2021, irokhethi elithwala i-Long March 2 F Yao 13 elithwele umkhumbi-mkhathi wase-Shenzhou 13 wethulwa futhi lathwala ngempumelelo u-Zhai Zhigang, u-Wang Yaping, no-Ye Guangfu emkhathini. Kuthunyelwe emkhathini.