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Don't have a link I used to make them 80% nickel small %...

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cjstew

227 Posts.

17/05/24

12:53

Post #: 73877580
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Originally posted by Bananabender1 ↑

Got a link for that? I'd be curious to know how the core of the turbine survived in a jet fuel fire without cooling? Same goes for the wheels?
I suspect there's a lot of Titanium and other high strength metals involved, with the blades probably at a lower melting point.

Depends on the section of the engine in question. The 'hot section' of a jet engine gas core, which consists of the isobaric combustor, high pressure turbine and low pressure turbine, by far, operates at the highest temperatures. On modern, high performance aviation gas turbines, the high pressure turbine inlet temperatures are reaching nearly 3,600° F (2,000° C) during full power operation. Exhaust Gas temperatures in the jet pipe just aft of the last low pressure turbine stage are in the neighborhood of 1,000° F (550° C). Air exiting the high pressure compressor section will be around 500° F (260° C).

https://aviation.stackexchange.com/questions/74362/how-hot-do-internal-parts-of-jet-engine-get

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Don't have a link I used to make them

80% nickel small % titanium

There is a hugh difference in temperature between jet fuel burning/exploding in a combustion chamber under extreme pressure to fuel burning in open air (1000°c)
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