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Search: Posts Made By: Flight Safety
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Forum: Tech Log
29th Dec 2011, 12:52
Replies: 155
Views: 41,769
Posted By Flight Safety

Oggers, I'm reposting your Otto cycle diagram...

Oggers, I'm reposting your Otto cycle diagram from your interesting post #118.

http://upload.wikimedia.org/wikipedia/commons/c/cf/P-V_otto.png

Work accomplished can be seen in the diagram....
Forum: Tech Log
29th Nov 2011, 18:13
Replies: 155
Views: 41,769
Posted By Flight Safety

Barit1, I believe the J58 of the Blackbird worked...

Barit1, I believe the J58 of the Blackbird worked the way you described. Accord to Ben Rich, 80% of the power produced by the J58 at Mach 3.2 came from the resulting ram effect.
Forum: Tech Log
29th Nov 2011, 17:13
Replies: 155
Views: 41,769
Posted By Flight Safety

Actually, both ramjets and scramjets still...

Actually, both ramjets and scramjets still require the "compressor" function, as they are both still heat engines using external oxygen for combustion. It's just that the "compressor" is external to...
Forum: Tech Log
29th Nov 2011, 10:31
Replies: 155
Views: 41,769
Posted By Flight Safety

Other related tidbits: Volumetric Efficiency...

Other related tidbits:

Volumetric Efficiency - Primarily related to power production. The amount of air and oxygen pumped through a given engine's physically limited size, determines the amount of...
Forum: Tech Log
28th Nov 2011, 23:11
Replies: 155
Views: 41,769
Posted By Flight Safety

Thermal to Kinetic Energy

All, a fun thread, but all of you are missing an important piece of information, the direct relationship between thermal energy and mechanical kinetic energy.

I'll skip the reason for a...
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