Sethibela se thibelang ho phatloha ho matla ha selemo sa Saint-Gobain Seals' sa OmniSeal se netefalitsoe e le tiiso e tsitsitseng indastering ea lifofane tsa lirokete tsa ho hlahloba lirokete.
Sesepa sa ho hlahloba ke sesebelisoa sa ho laola phallo se lumellang feela mokelikeli o hatelitsoeng (metsi kapa khase) hore o phalle ka tsela e le 'ngoe. Ts'ebetsong e tloaelehileng, valve ea ho hlahloba e sebakeng se koetsoeng moo tiiso e sirelelitsoeng ka tiiso e tsitsitseng e etselitsoeng ho mamella leha e le efe ea ho phatloha. Hang ha khatello ea mokelikeli e fihla kapa e feta khatello e lekantsoeng ea moeli, valve e bula 'me e lumella mokelikeli hore o fetele ho tloha lehlakoreng la khatello e phahameng ho ea lehlakoreng le tlaase la khatello. Ho theoha ha khatello ka tlas'a khatello ea monyako ho tla etsa hore valve e khutlele sebakeng sa eona se koetsoeng. Li-valve tsa ho hlahloba li boetse li tloaelehile indastering ea oli le khase, hammoho le lipompong, ts'ebetsong ea lik'hemik'hale, le lits'ebetsong tsa ho fetisa metsi.
Maemong a mangata, baenjiniere ba meralo ba tla kopanya li-valve tsa cheke meahong ea bona ea enjine ea rokete. Ka hona, karolo ea litiiso likhaung tsena ke ea bohlokoa morerong oohle oa ho qala. Setiiso se thibelang ho lutla se sebelisoa ka har'a valve ea ho hlahloba ho boloka mokelikeli o nang le khatello e phahameng ka lehlakoreng la khatello e phahameng ha o ntse o thibela tiiso ho fafatsa ka ntle ho ntlo. Tabeng ea khatello e phahameng le liphetoho tse potlakileng tsa khatello ho pholletsa le sebaka sa ho tiisa, ho thata haholo ho boloka tiiso ka tlung ea eona. Hang ha sebaka se matla sa ho tiisa sa hardware se tloha molomong oa ho tiisa, tiiso e na le tšekamelo ea ho fefoloa ho tloha ntlong ka lebaka la khatello e setseng e potolohileng tiiso. Ka tloaelo, li-valve tsa ho hlahloba li sebelisa litiiso tsa setulo (li-blocks tse bonolo tsa PTFE), empa ts'ebetso ea litiiso tsena ha e lumellane, 'me ha nako e ntse e ea, litiiso tsa litulo li tla holofala ka ho sa feleng, e leng se tla fella ka ho lutla.
Litiiso tse thibelang ho phatloha tsa Saint-Gobain Seals li nkiloe moahong oa eona oa OmniSeal 103A 'me li na le baki ea polymer e nang le matla a selemo. Khetla e ka ntle e entsoe ka thepa ea Fluoroloy, ha selemo se entsoe ka tšepe e sa hloekang le lisebelisoa tsa Elgiloy®. Ho ea ka maemo a sebetsang a valve ea ho hlahloba, mokhoa o khethehileng o ka sebelisoa ho futhumatsa le ho hloekisa selemo. Setšoantšo se ka letsohong le letšehali se bontša mohlala oa se thibelang ho phatloha ho tloaelehileng se sebelisoang ke li-Saint-Gobain li-seals ts'ebetsong ea molamu oa ho tiisa (hlokomela: setšoantšo sena se fapane le tiiso ea sebele e sebelisoang ts'ebetsong ea valve ea ho hlahloba, e entsoeng ka tloaelo). Litiiso tse ka har'a lisebelisoa tsa li-valve tsa cheke li ka sebetsa ka mocheso o tlase ho fihlela ho 575 ° F (302 ° C) 'me li khona ho mamella likhatello ho fihla ho 6,000 psi (414 bar).
Sepheo sa litiiso tse thibelang ho phatloha ha OmniSeal bakeng sa li-valve tsa ho hlahloba enjene ea rocket ke ho koala khase e hatelletsoeng le khase e metsi ka mocheso o ka tlase ho -300 ° F (-184 ° C) ho isa ho 122 ° F (50 ° C). Khatello ea tiiso e haufi le 3,000 psi (207 bar). Fluoroloy® sheath material e na le khanyetso e ntle ea ho roala, ho hanyetsa deformation, coefficient e tlase ea likhohlano le ts'ebetso e tlase haholo ea mocheso. Litiiso tse thibelang ho lutla ha OmniSeal® li etselitsoe ho etsa li-cycle tse makholo tsa ts'ebetso ntle le ho lutla.
Mohala oa sehlahisoa sa OmniSeal® o na le meralo e fapaneng, joalo ka 103A, APS, Spring Ring II, 400A, RP II le RACO™ 1100A, hammoho le meralo e fapaneng ea tloaelo. Meetso ena e kenyelletsa matsoho a tiisoang ka thepa ea fluorine le litlhophiso tse fapaneng tsa liliba. Litharollo tsa ho tiisa tsa Saint-Gobain Seals li 'nile tsa sebelisoa ha ho qala likoloi tse kang li-rocket tsa Atlas V (tse hlahisang Mars Rover Curiosity sebakeng), lirokete tsa Delta IV Heavy le lirokete tsa Falcon 9. Litharollo tsa bona li boetse li sebelisoa liindastering tse ling (oli le khase, likoloi, saense ea bophelo, lisebelisoa tsa elektroniki le indasteri), hammoho le lisebelisoa tsa ts'ebetso ea ho daea liindasteri tse se nang tikoloho, lipompo tsa ente ea lik'hemik'hale, e leng e 'ngoe ea liteishene tsa pele tsa lefats'e tsa khatello ea khase le bahlahlobisisi ba lik'hemik'hale. tshebediso ya sehlopha. .
Nako ea poso: Feb-25-2021
