CFM56-7B发动机，从前面看，能看到那些叶片都是什么叶片

adiday · 发表于 2013-2-21 23:58:01

谁能给说明下，CFM56-7B发动机，从前面看，能看到那些叶片都是什么叶片，从后面看，看到的是什么叶片？最好能给个图解释，谢谢。

wangyang1108 · 发表于 2013-2-22 07:57:55

前面的是风扇叶片，后面的是低压涡轮的叶片

luck108 · 发表于 2013-2-22 08:30:20

后面应该也能看到风扇的整流叶片？

hphcafuc · 发表于 2013-2-22 09:33:19

从前能看到风扇叶片，从后能看到内涵道里的最后一级低压涡轮转子叶片，外涵道的OGV。

lanjun · 发表于 2013-2-22 16:11:34

看看图吧，这个就是CFM56-7的发动机图，下面是描述
The CFM56-7 is a high bypass, dual rotor, axial flow turbofan engine. The engine fan diameter is 61 inches (1.55 meters). The bare engine weight is 5257 pounds (2385 kilograms).

The engine has these sections:

Fan and booster

High pressure compressor (HPC)

Combustor

High pressure turbine (HPT)

Low pressure turbine (LPT)

Accessory drive.

The fan and booster rotor and the LPT rotor are on the same low pressure shaft (N1).

The HPC rotor and the HPT rotor are on the same high pressure shaft (N2).

Fan and Booster

The fan and booster is a four-stage compressor.

The fan increases the speed of the air. A splitter fairing divides the air into these two air flows:

Primary

Secondary.

The primary air flow goes into the core of the engine. The booster increases the pressure of this air and sends it to the HPC.

The secondary air flow goes in the fan duct. It supplies approximately 80 percent of the thrust during take-off.

High Pressure Compressor (HPC)

The HPC is a nine-stage compressor. It increases the pressure of the air from the LPC and sends it to the combustor. The HPC also supplies bleed air for the aircraft pneumatic system and the engine air system.

Combustor

The combustor mixes air from the compressors and fuel from the fuel nozzles. This mixture of air and fuel burns in the combustion chamber to make hot gases. The hot gases go to the HPT.

See the engine fuel and control chapter for more information on the fuel nozzles. (CHAPTER 73)

High Pressure Turbine (HPT)

The HPT is a single-stage turbine. It changes the energy of the hot gases into a mechanical energy. The HPT uses this mechanical energy to turn the HPC rotor and the accessory drive.

Low Pressure Turbine (LPT)

The LPT is a four-stage turbine. It changes the energy of the hot gases into a mechanical energy. The LPT uses this mechanical energy to turn the fan and booster rotor

reamon · 发表于 2013-2-22 16:43:09

不错，楼上解释的很清楚

houruei898 · 发表于 2013-2-23 09:52:59

前面那个风扇叶片后面是压气机导流叶片外层是外涵导流叶片后面看貌似是低压涡轮出口导流叶片

fsha122 · 发表于 2013-2-23 19:04:00

从前面看是n1的第一级叶片风扇叶片从后面看是外涵道的出口导向叶片

xuezhiyuyun · 发表于 2013-2-24 17:41:18

4楼很详细。

cauc王威 · 发表于 2013-2-25 10:16:10

同意6楼的说法

senny · 发表于 2013-2-28 12:46:45

如果你是航线的从前能看到风扇叶片，压气机导流叶片，外涵导流叶片；从后能看到内涵道里的最后一级低压涡轮转子叶片，外涵道的OGV。

0104211131 · 发表于 2014-3-30 16:41:21

楼上说的对

遥望苍穹 · 发表于 2014-4-11 13:39:13

依次是风扇叶片，外涵进口导向叶片，外涵出口导向叶片，内涵进口导向叶片

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[70-80发动机CFM56-7] CFM56-7B发动机，从前面看，能看到那些叶片都是什么叶片

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