Re: [新聞] 空難黑盒子 飛安會15時公布
依據大大所提供之引擎參數分析
1.52分41秒時,二號主機即已自動停機(熄火,非怠速"是熄火"),完全無法提供動力
只能順槳,可是PLA始終在作動位置(代表非人為,為自動停機),扭力出現晃動情況,
分工空氣閥自始至終都沒作動
2.53分08秒時,一號主機外力開始減俥(看PLA桿及燃油供油量可以得知),持續減俥直到
53分23秒時,一號主機完全停機,整架飛機"完全"失去動力,只剩下滑翔的能力,
扭力出現晃動情況,分工空氣閥於52分41秒時開始作動(大約)
3.扭力晃動情形似乎代表,無動力!!
4.熄火不等於怠速,那熄火是否等於順槳呢(應該是)
5.為何分工空氣要作動?當引擎莫名熄火後,因為燃燒室溫度過高,需要用分工空氣做
盤車的動作,以降低該引擎的溫度以保護整部引擎(俗稱主機回火)
6.以上部分為海軍GAS TURBINE 專用術語,大意是與空用引擎相同的,本人為海軍引擎
工程師,若有錯誤地方請見諒
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