Simviation Forums

For my engineering coursework, I am writing a report on the material selection used in high pressure turbine blades, and I'm finding that there isn't much in the way of specific data. It's usually just documentaries and phrases such as "around" or "near" or "more than", and very rarely any clear units or definitions.

I'm using the Rolls-Royce Trent 1000 as the basis of a lot of my coursework, but any modern jet engine will do, provided I can use the data to justify the choice of materials for this section of the aircraft.

Are there any resources or good books with some really reliable data sources in there? Ideally with technical drawings (such as the cross-section of the blades) and with indepth statistics? From what I can tell so far, the combustion chamber is "around" 1700C hot, each blade delivers the same as power as "an F1 car" and it rotates at "roughly" 10,000RPM. There is a load of "something like" 18 Tons on each blade too. But there are definitely 66 blades per high-pressure turbine assembly and they're machined to a 7-micron tolerance.

So yeah, I could really use some better information before I start to write a report on it

My own source of Aero Engine Data (The original Version):

"World Encyclopaedia of Aero Engines".

By Bill Gunston. (1986)

http://books.google.co.uk/books/about/W ... GkSAAACAAJ

Try your local Library.

Paul.

It's a bit cold to go out and check, but the web service for my university library says that book, and others by Gunston, are available there

I'll be sure to check them out!


Rolls-Royce themselves have a little bit of information, but it's targetted at the more general audience. As part of my course we have to do a compulsary-optional module... Mine is in pilot licence theory. Maybe the Coventry pilots who teach it will have some resources that I might be able to borrow!

The reason you are coming up against vague figures and descriptions is due to industrial secrets.Turbine blade production is the Holy Grail of jet engine technology. If you are one step ahead of the opposition then for that time you are the king.

If you want internal pictures of turbine blades, I can help. I have just done a boroscope course for the CFM-56. If you send me an email address, I could send you a few pictures and such (it would be in PDF format). However in-depth stats you are unlikely to get from anyone. Even my course stopped short.

Matt

http://en.wikipedia.org/wiki/Nimonic

Henry Wiggin.

"The Nimonic family of alloys was first developed in the 1940s by research teams at the Wiggin Works in Hereford, England, in support of the development of the Whittle jet engine.".

I well remember the Company when it was located in my town of Hereford.
http://www.aviationancestry.com/Metals/ ... 954-1.html
It was the Cities largest employer for many years!

Paul.

Thanks, Matt. That would be really useful!


Nimonic is certainly a new material name for me! So far the only other material I've found was called "RR1000"... So clearly not something I can get a B&Q!

Jane's Aero-Engines

Jane's Aero-Engines

When in doubt: Jane's!