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

Tool life, hi I''m doing research in tool life of solid carbide endmills ...

hi I''m doing research in tool life of solid carbide endmills and I was looking at your formulas. I was wondering if tell me or where I can find the data required for these formu

Harriman, HARRIMAN MANUFACTURING COMPANY Harriman Manufacturing Company i...

HARRIMAN MANUFACTURING COMPANY Harriman Manufacturing Company is evaluating the purchase of a new piece of equipment. The quoted price is $50,000, and it would cost Harriman anot

Engine PW4168 or PW4168A, How is the overspeed solenoid cutback valve opera...

How is the overspeed solenoid cutback valve operate when Engine overspeed happen?

Heat exchanger designing, How to design heat exchanger project from aromati...

How to design heat exchanger project from aromatics from shale gas transport phenomena, CHE 306

Skin-core debonding in sandwich structures, If the skins are peeled from th...

If the skins are peeled from the core, a sandwich structure loses its strength and stiffness. This can occur under - wave-slamming in fast ferries - rapid depressurisati

C programming fork() dub2(), develop a C program for Linux called pipes.c t...

develop a C program for Linux called pipes.c that does the following: In the main() function, it creates a pipe using the pipe() function, then creates two child processes with for

Pressure filter - aircraft maintenance , PRESSURE FILTER The pressure o...

PRESSURE FILTER The pressure oil filter housing contains a wire-wound or mesh, Paper or felt elements and incorporates a by-pass valve. The filter housing can be drained inde

Lamination of plastics, Q. Write short note on laminating.           ...

Q. Write short note on laminating.                                                 OR    Explain the Laminating processes.

Basic characteristics of fire safety management, Basic characteristics of f...

Basic characteristics of fire safety management: basic characteristics - sensibility, reactivity, mobility, and susceptibility - comprise a minimum, exhaustive set of mutually

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