Mafuta eroketi anoita basa rakakosha mumisheni yekuongorora nzvimbo. Kwemakore, marudzi akasiyana-siyana emaroketi propellants akagadzirwa uye akaedzwa kuti awane kuita kwakaringana uye kushanda nesimba. Imwe propellant yakadaro iHTPB, inomirira hydroxyl-terinated polybutadiene. Nekuda kwehunhu hwayo hwakanaka, imafuta anowanzoshandiswa mune yakasimba roketi mota.
HTPB roketi mafuta inoumbwa inoumbwa nebinder, oxidizer uye hupfu hwesimbi. Binder (kureva HTPB) inoshanda sechitubu chehuturu uye inopa hunhu hwakanaka kune chinosimudzira. Iyo ine refu-cheni yepolymer yakagadzirwa nekuita butadiene nedoro, ichipa iyo inodiwa hydroxyl-terminated properties.
Chimwe chezvinhu zvakasiyana-siyana zveHTPB ndiwo simba rayo guru. Iine kupisa kwakanyanya kwekupisa, izvo zvinoreva kuti inogona kusunungura simba guru kana rapiswa. Izvi zvinoita kuti ive yakanaka kune rocket propulsion, sezvo simba rakawanda rinogadzirwa nepropellant, rinowedzera simba rinokwanisa kuwanikwa.
Pamusoro pezvo, HTPB hainyanyi kunzwa kuvhunduka uye kukweshana, zvichiita kuti ive yakagadzikana uye yakachengeteka propellant. Kugadzikana kwayo kwakakosha panguva yekuchengetera nekufambisa, uye chero netsaona moto unogona kuve nemhedzisiro yakaipa. Kunzwa kwakaderera kweHTPBinobvumira chiyero chepamusoro chekuchengetedzwa kwekushanda kana ichienzaniswa nemamwe marudzi e-propellant.
Imwe mukana weHTPB mu roketi mafuta ndiko kugona kwayo kukandwa mumhando dzakasiyana uye saizi. Inogona kuumbwa zviri nyore kuita particle geometries inokodzera chaiyo roketi dhizaini uye zvinodiwa. Uku kuchinjika kwekugadzira kunobvumira mainjiniya kuti agadzirise mapropellants kuti akwidze mitengo yekupisa uye kuzadzisa anodiwa maitiro ekuita.
Kupisa HTPB muinjini yeroketi kunoburitsa huwandu hukuru hwegasi uye hutsi hwakawanda. Chiutsi chinogadzirwa neHTPB-based propellants mhedzisiro yekupisa isina kukwana uye kuvepo kwezvimwe zvakasara zvakasimba. Nepo utsi hunogona kunge husina kunaka kune mamwe maapplication, zvinogona kubatsira mukupa kutarisisa kwekuona kweroketi trajectory panguva yekuvhurwa.
Uyezve,HTPB roketi mafuta anoratidza mwero wakaderera wekupisa. Iyi inodzorwa yekupisa mwero inobvumira kune yakawedzera kudzorwa uye inofanotaurwa yekukanda kugovera, iyo yakakosha kune maapplication anoda kunyatso kudzora uye maneuverability. Mainjiniya anogona kunyatso dhizaini nzira yeroketi uye nzira yekubhururuka, ichivandudza budiriro yese mishoni.
Kunyangwe HTPB roketi mafuta ine zvakawanda zvakanakira, inewo zvimwe zvinogumira. Imwe ganhuriro ndeyekunyandura kwayo kwakadzikira kana ichienzaniswa nedzimwe mhando dzepropellant. Specific impulse chiyero chekuti propellant inoshandura sei huturu kuita musuva. Kunyangwe HTPB ichipa yakanaka yakananga fungidziro, kune mamwe mapropellants anogona kupa yakakwirira chaiyo yekufungidzira maitiro.
Nguva yekutumira: Nov-05-2023