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精密儀器

飛機發(fā)動機如何工作(超萌版)

下面是CFM公司制作的小短片,從空氣分子角度,介紹噴氣式發(fā)動機工作原理,順便宣傳自己的產(chǎn)品。每年專英講到發(fā)動機,都回顧一下這個短片。今年順便翻譯幾個難句!


參考原文(括號內(nèi)為畫外音):

Hear that boys?

What is it?

Just another narrow-body aircraft.

Hey, my atoms are shaking. Strange. It sounds far. But I bet my last proton that beast is much closer than you think.

嘿,我的原子在顫抖。太奇怪了!聽上去很遠,但我用我最后一顆質(zhì)子打賭,這貨比你們想的要近!

Hold on, people. It’s a LEAP-powered aircraft. A leap into the unknown.

What on earth is a LEAP?

Something you sure haven’t seen before. Everybody get ready. We are going in.

Someone please tell me what has just happened.

(Sure, the engine makes the plane move forward. Thrust is produced by air being pulled in by the fan blades. Then, this air is ejected at greater speed through the exhaust, creating the required pushing force. This is a principle of the Newton’s Law. For each action, there is an equal and opposite reaction. So, how is this possible?)

Gentle souls, come with me to the bypass.

溫柔的小伙伴,我們?nèi)ネ夂溃?/span>

Extreme spark freaks, with me, we’ll hit the compressors, combustor and turbines.

極端火花狂,我們?nèi)簹鈾C、燃燒室和渦輪!

(The LEAP is a high-bypass-ratio engine, which means that a large amount of air bypasses the core of the engine to be ejected directly into the exhaust stream. The fan acts as a propeller. Its curved rotating blade accelerates the air flow into the engine. Lighter composite material provides better efficiency and resistance.) 

Here come the compressors. Get ready. Things are going to heat up. Feel that? It’s the low-pressure compressors squeezing us. Now, the high-pressure compressors. You are going to feel the difference.

(Ultra-efficient compressors deliver optimum air pressure and temperature conditions for combustion.)

It’s rising up now. let’s get toasted!

Gentlemen, meet your kerosene counterparts. These guys are going to light up your day.

Already? We usually mingle inside.

Not any more!

I thought there’d be more of you.

Normally yes, but in this engine, fewer of us are needed.

(This kerosene particle is right. The LEAP engine burns less fuel than former engines. In addition, the fuel nozzles mix fuel and air before they enter the combustor, creating a homogenous mixture that minimizes the peak temperature during combustion. This technology significantly reduces emissions.)

OK, let’s go.

(The combustion chamber! This is the heart of the engine, where energy is created through combustion of fuel and compressed air.)

Are you ready? Here comes the final blast.

What a boost!

Where are we now?

Turbines. Let’s transfer our energy to them. This is the last stream stage before we join the soft team. Enjoy.

溫柔小隊指走外涵道的小伙伴

(Advanced material and aerodynamics makes the turbines much more efficient and durable. The pressure and speed of the hot gases provide the force needed to turn the turbines and the shaft, which in turn drives the compressor and fan.)

Come on, guys, don’t hang around. We alone are responsible for 90% of the thrust from this baby. Here comes the other adrenaline junkies. So, how was it?

腎上腺素狂指走內(nèi)涵道的小伙伴們

Fast, fine and fantastic!

What a trip!

Are you kidding me? It was awesome the primary flow did most of the job.

Not exactly, kid. It’s team work. We definitely need each other. We provided the energy to drive the engine, and they provided most of the thrust to make the aircraft move forward.

Hey, boss, sounds we are in luck today.

You said it. It’s game on again, boys. Let’s go! 


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