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

Dc load line for a diode , dc load line for a diode & same for circuit con...

dc load line for a diode & same for circuit consisting of supply voltage in series with resistance & diodes

Coil, explain coil ?

explain coil ?

Difference between soldering, Q. What are the differences between soldering...

Q. What are the differences between soldering, brazing and welding? Ans. S.No.  Welding Soldering Brazing

Engine drains, ENGINE DRAINS. There are two types of drains: • Con...

ENGINE DRAINS. There are two types of drains: • Controlled drains - the result of normal operation. • Uncontrolled drains - the result of abnormal operation. CONTROLLE

Construction, What are the problems arises during construction and their so...

What are the problems arises during construction and their solutions

Archimedes Screw, How to I make my archimedes screw work?

How to I make my archimedes screw work?

New building completion - fire safety management, Ne w building completion...

Ne w building completion: New buildings have to be constructed to meet certain fire safety standards.  It is not acceptable for buildings to be built that do not attain a min

Piezoelectric accelerometer, Piezoelectric Accelerometer Piezoelectric ...

Piezoelectric Accelerometer Piezoelectric accelerometers are widely used for vibration measurements due to their low cost and very wide frequency range for which the sensitivit

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