Ideal intake conditions - aircraft engine, Other Engineering

Assignment Help:

Ideal intake conditions:

For air to flow smoothly through a compressor, its velocity should be about 0.5 mach at the compressor inlet; this includes aircraft flying faster than the speed of sound. Hence intakes are designed to decelerate the free stream airflow to this condition over the range of aircraft speeds. Intakes should also convert the kinetic energy into pressure energy without undue shock or energy loss. This means that the ideal compressor inlet pressure should be the same as the total head pressure at the intake lip.

Intake Efficiency

The magnitude of the losses occurring in an intake during ram compression are measured by means of the intake efficiency. Typical optimum efficiencies of some common types of intake, at subsonic speeds assuming straight-through flow, are:

a   Turbo-jet engine Pitot 99 to 96%
Wing root 95 to 87%
Side 89 to 80%

b Turbo-prop engine Annular 82 to 74% (DART)

In cases where the direction of flow of the air is reversed within the intake, these values are reduced by about 10%.

 


Related Discussions:- Ideal intake conditions - aircraft engine

Fire safety management for restaurants, Fire safety management for restaura...

Fire safety management for restaurants: Staff in restaurants must be aware that customers who have been served their food are always reluctant to leave that food and evacuate.

Pov display, require help in making pov display

require help in making pov display

Low pressure turbine clearance control valve - aircraft, Low pressure turbi...

Low pressure turbine clearance control valve: At take-off and low altitude the valve is in its normal closed position allowing cooling airflow to the core compartment. When an

Ideal intake conditions - aircraft engine, Ideal intake conditions: For...

Ideal intake conditions: For air to flow smoothly through a compressor, its velocity should be about 0.5 mach at the compressor inlet; this includes aircraft flying faster than

Principles of fire risk assessment, Principles of fire risk assessment: ...

Principles of fire risk assessment: The following principles of FRAs apply in the UK as they do in the USA: justifying assumptions, stating data sources,

Turbine blade clearance of aircraft, Turbine Blade Clearance. Creep is ...

Turbine Blade Clearance. Creep is term used to describe the continuous and permanent stretching of turbine blades due to high temperatures and centrifugal forces acting on the

Means of escape, Means of escape: The means of escape can start at any...

Means of escape: The means of escape can start at any point inside a building where there may be people.      The means of escape end when 'ultimate safety' is attained out

Environemental, How to Compute the carbon per mile for the car

How to Compute the carbon per mile for the car

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd