Karakteristike zaklanjanja lasera i emisije infracrvenog zračenja dimne smeše na bazi crvenog fosfora i legure Mg-Al

Ključne reči: multispektralni dim, performanse zaklanjanja, karakteristike infracrvenog zračenja, crveni fosfor, legura Mg-Al

Sažetak


Uvod/Cilj: Sposobnost prigušivanja laserskog zračenja i emisije infracrvenog zračenja predstavlja jednu od ključnih karakteristika koje utiču na kamuflažnu efikasnost multispektralnih dimnih zavesa na bojnom polju. Ovaj rad ispituje uticaje sadržaja crvenog fosfora i legure Mg-Al, početne mase dimnog sastava i relativne vlažnosti vazduha na karakteristike zaklanjanja dimnog oblaka, uključujući stepen prigušenja lasera, masu koeficijenta ekstinkcije, faktor efikasnosti generisanja aerosola i faktor kvaliteta. Takođe, u radu su analizirane i osobine infracrvenog zračenja dimnih zavesa na bazi crvenog fosfora i legura Mg-Al (RP/Mg-Al).

Metode: Prigušenje laserskog zračenja određivano je upoređivanjem početne snage lasera sa snagom izmerenom nakon prolaska kroz dimnu zavesu. Kroz ispitnu komoru emitovan je kontinuirani laser talasne dužine 1,064 µm i izlazne snage 11,0 mW, a snaga je merena pomoću laserskog merača snage. Infracrvene osobine dimnih oblaka analizirane su spektralnim radiometrom SR-5000N u opsegu talasnih dužina od 2,5 do 14,0 µm. Rezultati: Rezultati pokazuju da povećanje sadržaja crvenog fosfora, mase uzoraka i relativne vlažnosti vazduha poboljšava karakteristike laserskog zaklanjanja. Za komoru dimnog oblaka zapremine 1 m³, procenjene optimalne mase uzorka su 3,25 g i 2,30 g pri nivoima relativne vlažnosti od 65% i 90%. Takođe, povećanjem sadržaja legure Mg-Al povećava se emisija infracrvenog zračenja u β opsegu (3–5 μm), dok emisija u γ opsegu (8–14 μm) opada.

Zaključak: Karakteristike zaklanjanja lasera dimnih smeša na bazi RP/Mg-Al mogu se efikasno kontrolisati optimizacijom sadržaja RP/Mg-Al i nivoa relativne vlažnosti. Takođe, smeše na bazi RP/Mg-Al pokazuju izražene karakteristike infracrvenog zračenja koje su takođe pod uticajem sadržaja crvenog fosfora i legure Mg-Al. Težište budućih istraživanja bi trebalo biti usmereno na ispitivanje karakteristika zaklanjanja smeša na bazi RP/Mg-Al u bliskom i dalekom infracrvenom opsegu.

Biografije autora

Dinh Thang Pham, Le Quy Don Technical University

PhD student at Le Quy Don Technical University, Vietnam

Duc Nhan Phan, Le Quy Don Technical University

Scientist at Le Quy Don Technical University, Vietnam

Trung Toan Nguyen, Le Quy Don Technical University

Scientist at Le Quy Don Technical University, Vietnam. His research interests include pyrotechnics, explosive detonation, and the thermal decomposition of energetic materials.

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Objavljeno
2026/01/20
Rubrika
Originalni naučni radovi