Jiragen sama sun fi sauti sauri sau biyar
Rundunar sojin saman Amurka ta yi niyyar kera wani jirgin sama mai aiki bisa samfurin hypersonic X-51 Waverider, wanda aka gwada kimanin shekaru biyu da suka gabata a cikin Tekun Pasifik. A cewar ƙwararrun DARPA waɗanda ke aiki a kan aikin, tun daga farkon 2023, samfurin jet ɗin da za a iya amfani da shi tare da saurin sama da Mach XNUMX na iya bayyana.
Jirgin na X-51, a lokacin gwajin jirage masu tsayin mita 20, ya kai gudun sama da kilomita 6200 a cikin sa'a. Sramjet din nasa ya yi saurin sauri zuwa wannan gudun kuma zai iya matsewa da yawa, amma man fetur ya kare. Tabbas, sojojin Amurka suna tunanin wannan dabara ba don farar hula ba, amma don dalilai na soja.
Scramjet (gajeren Supersonic Combustion Ramjet) injin jet ne na combustor supersonic wanda za'a iya amfani dashi cikin sauri fiye da na ramjet na al'ada. Jet na iska yana gudana cikin mashigar diffuser na ingin jet mai girma da sauri fiye da saurin sauti, yana raguwa, matsawa, kuma yana mai da wani yanki na makamashin motsa jiki zuwa zafi, yana haifar da karuwar zafin jiki. Sa'an nan kuma ƙara man fetur a cikin ɗakin konewa, wanda ke ƙonewa a cikin rafi, har yanzu yana tafiya da sauri, wanda ke haifar da karuwa a cikin zafin jiki. A cikin bututun ƙarfe na faɗaɗa, jet ɗin yana faɗaɗa, sanyaya da haɓaka. Tuba shi ne sakamako kai tsaye na tsarin matsa lamba da ke tasowa a cikin injin, kuma girmansa ya yi daidai da canjin adadin lokaci a cikin adadin motsin da ke gudana ta cikin injin iska.
