Film katsi ai
Hka lum ai shara hta liquid propellant (sh) gas ni gaw, wan n-gun hpe bunghku de n-gun n htawt sit na matu pat shingdang na matu, n-gun n rawng ai sumla hkrung langai hpe hpaw ya ai. Liquid rocket engine a thrust chamber gaw, n-gup n-gu n-gun n-gun n-gun n-gun n-gun n-gun n-gun n-gun n-gun n-gun n-gun n-gun n-gun n-gun n-gun n-gun n-gun n-gun n-gun n-gun n-gun n-gun n-gun n-gun n-gun n-gun n-gun n-gun n-gun n-gun n-gun n-gun n-gun n-gun n-gun n-gun n-gun n-gun n-gun n-gun n-gun n-gun n-gun n-gun n-gun n-gun n-gun n-gun n-gun n-gun n-gun n-gun n-gun n-gun rawng ai. Grau nna, npu na-mixture ratio nozzles (sh) wan sau direct current perforations ni hpe n-gun n law ai wa grup yin hta tawn da nna, wan hkru ai nta a kata na bunghku makau na npu na n-gun n-gun hpe hpaw nna, bunghku kaw nna center ginra hta nga ai wan hkru ai gas hpe garan ginhka lu na matu, wan hkru ai nta a kata na bunghku makau e nga ai. Nbung sumla hkrung hpe katsi shangun ai hpe turbine blade ni hte turbojet engine ni a wan n-gun ni hpe lang nna, nhtu n-gun hpe 400 kaw nna 600℃du hkra shayawm lu ai. Nkau liquid rocket engine ni gaw, n-gup magap a kata bunghku ntsa hta nbung sumla hkrung katsi ai hpe galaw na matu, thrust chamber nozzle kata de turbine exhaust hpe bang da ai.
Hka lum ai
N bung ai katsi ai ngu nna mung shamying ma ai. Dai katsi ai daw ni hpe porous arung arai ni hte galaw da nna, katsi ai shara kaw na katsi ai hpe n-gun n-gun hpe la kau na matu, n-gun ja ai sumla hkrung langai mi hpe gawgap ai, dai gaw katsi ai hpe kaja ai hku hkra machyi shangun ai. Porous arung arai ni hpe galaw na matu yak ai majaw, hydrocarbon wan sau ni hpe wan nat ngut ai hpang carbon bang ai lam ni gaw micropores ni hpe loi loi hte pat kau ya ai. Ndai katsi ai ladat hpe grai n jai lang shi ai majaw, hka n-gun n-gun (injector panel) hpe katsi hkra galaw na matu sha lang ai.
Kahtet ai lam
Dai hpe ngang kang ai rocket engine ni a nozzle hta grai lang ai (hkum hkrang katsi ai hpe makawp maga ai, ablation arung arai ni hpe yu u). Dai hta n-ga, ablation cooling hte bung ai ladat nga ai self{1}} hpe mung ka da ai ladat mung nga ai. Porous tungsten hpe matrix hku lang ai, gumhpraw, magri, zinc hte kaga arung arai ni hpe n-gun n law ai hku nna lang ai. Hka lum ai shaloi, n-gun n law ai shara ni lawm ai arung arai ni gaw, n-gun n rawng ai sha, katsi ai shara hpe lu la na matu hprawng lawt wa ai. Matrix tungsten gaw n-gun n rawng ai hte n-gun n rawng ai- hpe n-gun jaw lu ai, shi a hkrang hpe n-gun jaw lu ai. Dai gaw, ngang kang ai rocket engine ni a nozzle a n-gup magap hpe galaw na matu htuk manu ai.
Radiative katsi ai
Katsi ai hpe shinggan de shapraw kau na matu, katsi ai arai ni a thermal radiation hpe lang u. Radiative cooling hpe nozzle jat ai daw hta, nbung n-gun n law ai gas generator, unit propellant decomposition a thrust chamber hta, n-gun n law ai n-gun n-gun jat ai shara hta lang ai. Piston engine cylinder baw a black heat sink mung radiative heat hpe shapraw kau ai hta shang lawm nga ai. Radiation heat dissipation effect hpe grau kaja hkra galaw ai gaw, nbung katsi ai daw ni hpe galaw shapraw na matu, n-gun ja ai{3}}} aten kadun laman hpe jai lang ai hta madung tawn ai; lahkawng ngu na hta, ntsa na nsam hpe grau kaja hkra galaw na matu kam hpa nga ai, ngu ai gaw, bunghku ntsa kaw 0.85 jan nsam rawng ai, tsaw ai{4}} a n-gun n rawng ai nsam hpe lang ai.
Hka lum ai lam
N-gun n law ai n-gun n-gun hpe n-gun n law ai bunghku ntsa hta n-gun n-gun n-gun n-gun n-gun n-gun n-gun n-gun n-gun hpe shayawm na matu, n-gun n-gun hpe n-gun n-rawng ai arai ni hpe n-gun shayawm ya ai. zirconium oxide hte aluminum oxide zawn re ai nbung n-gun hpe n-gun n-gun shayawm ai arung arai ni gaw, hka n-gun n-gun shayawm ai jak ni a matu htuk manu ai; graphite, tungsten carbide, ceramic, etc. ni gaw ngang kang ai rocket engine ni a matu htuk manu ai; ceramic, n-gun kaba ai{3}} aten kadun laman n-gun n-rawng ai nsam, asbestos, etc. ni gaw turbojet engine ni a matu htuk manu ai.