M15c7

15問 • 9ヶ月前

ユーザ名非公開

通報

問題一覧

Jet pipe function to

clear exhaust from the airframe

Cone function

to shield turbine disc rear face and slow gases velocity

Convergent nozzle Function to

optimize thrust at the outlet from the engine.

Convergent divergent exhaust nozzle used to make max advantage of

pressure thrust.

Single Spool Engine is

the basic form and the earliest type of turbojet engine

On jet engine the main task of exhaust system is to

accelerate the airflow from the turbine to make thrust

In a low bypass engine cold air mixer located

at the last stage of the turbine

Corrugation jet nozzle on some old jets used to

reduce noise, by induce cooled air to mix with hot gases.

Reverse thrust Function used to

slow down aircraft speed on ground

Reverser Thrust used at power setting

less than max due to structural limits (low power and low forward speed)

In turbo shaft engine and APU the maximum gas energy is extracted by

the turbine

Bucket thrust reverser used in

pure jet and low by pass engine

Thrust reversal has 3 levels of safety

to prevent inadvertent operation of thrust reversal in commercial air transport

Convergent nozzle become chocked when

gas flow is mach1 at the exit

The purpose of a thrust reverser

to provide braking and directional control during emergency landings back an aircraft out of a parking spot "power back"

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問題一覧

Jet pipe function to

clear exhaust from the airframe

Cone function

to shield turbine disc rear face and slow gases velocity

Convergent nozzle Function to

optimize thrust at the outlet from the engine.

Convergent divergent exhaust nozzle used to make max advantage of

pressure thrust.

Single Spool Engine is

the basic form and the earliest type of turbojet engine

On jet engine the main task of exhaust system is to

accelerate the airflow from the turbine to make thrust

In a low bypass engine cold air mixer located

at the last stage of the turbine

Corrugation jet nozzle on some old jets used to

reduce noise, by induce cooled air to mix with hot gases.

Reverse thrust Function used to

slow down aircraft speed on ground

Reverser Thrust used at power setting

less than max due to structural limits (low power and low forward speed)

In turbo shaft engine and APU the maximum gas energy is extracted by

the turbine

Bucket thrust reverser used in

pure jet and low by pass engine

Thrust reversal has 3 levels of safety

to prevent inadvertent operation of thrust reversal in commercial air transport

Convergent nozzle become chocked when

gas flow is mach1 at the exit

The purpose of a thrust reverser

to provide braking and directional control during emergency landings back an aircraft out of a parking spot "power back"