Abradable linings-aircraft engine, Other Engineering

Assignment Help:

Abradable Linings:

Abradable Linings are usually made of a composite material which will be abraded away should the tip of a rotating blade touch the material. In flight the casings of an engine are subject to large changes in ambient temperature, so they will expand or contract. As we know the air temperature at 30,000ft is close to -50°C this would cause the casings to contract onto the rotor and the blades will then rub. To overcome this problem abrasive materials where used on early engines to wear down the tip of the blades, but this may cause balance problems. So most engines now use abradable linings that maintain minimum tip clearance but do not affect balance. They are usually found on the fan as this is the cold area of the rotating assemblies.

1842_Abradable Linings.png


Related Discussions:- Abradable linings-aircraft engine

What is the meaning of context-awareness, Question : (a) The Guide proj...

Question : (a) The Guide project has been developed to provide city visitors with a hand-held context-aware tourist guide. (i) In this case, what is the meaning of context-a

Second order decoupling approximation, The second order (two degree of free...

The second order (two degree of freedom) Dutch-Roll approximation is an approximation to the above fourth order system for the Dutch Roll dynamics. A justification for this is to c

How does or gate work, Expertsmind.com  brings you unique solution in Elec...

Expertsmind.com  brings you unique solution in Electrical Engineering   How does OR gate work? An 'OR' gate is like two or more switches positioned in parallel.

Probabilistic analysis - fire risk assessment , Probabilistic analysis - Fi...

Probabilistic analysis - Fire risk assessment: Probabilistic analysis relies on data and data comes from experience.  The broader the experience, the larger the data source an

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