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Search: Posts Made By: chris weston
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Forum: Tech Log
15th Jan 2012, 18:38
Replies: 155
Views: 42,081
Posted By chris weston

Slippery Pete, At no stage have I referred...

Slippery Pete,

At no stage have I referred to flame front speed or indeed to "better" burning in this thread, I have never referred solely to piston engines.

I have carefully not considered the...
Forum: Tech Log
9th Jan 2012, 21:22
Replies: 155
Views: 42,081
Posted By chris weston

Crabman, Thank you, nice idea. But...

Crabman,

Thank you, nice idea.

But .....don't forget the importance of the little guys in chemical bonding. The 787 is in trouble if we do.

CW
Forum: Tech Log
8th Jan 2012, 17:30
Replies: 155
Views: 42,081
Posted By chris weston

Crabman 137 Crabman; I think Oggers...

Crabman 137


Crabman;

I think Oggers and Turbine D et al are right here, I suggest that Slippery P is wrong.

It's true that compression will elevate the temperature of gas phase molecules...
Forum: Tech Log
6th Jan 2012, 20:28
Replies: 155
Views: 42,081
Posted By chris weston

Chu Chu, Under high compression you can burn...

Chu Chu,

Under high compression you can burn more fuel in a given amount of time as high compression crams in more oxygen molecules et al and you simply release more energy per unit time from the...
Forum: Tech Log
19th Dec 2011, 18:29
Replies: 155
Views: 42,081
Posted By chris weston

Spot on Oggers At high compression the rate...

Spot on Oggers

At high compression the rate of the combustion reaction increases as the effective concentration of the fuel/air mix increases.

This happens because there is now a greater...
Forum: Tech Log
28th Nov 2011, 11:11
Replies: 155
Views: 42,081
Posted By chris weston

Barit, sir. 81 Nicely put. Agree. CW

Barit, sir.
81
Nicely put.
Agree.
CW
Forum: Tech Log
24th Nov 2011, 14:53
Replies: 155
Views: 42,081
Posted By chris weston

Slippery I suspect trolling here so more...

Slippery


I suspect trolling here so more fool me but I will have one final attempt and share some simple physics with you.


pV = nRT

so
Forum: Tech Log
22nd Nov 2011, 11:17
Replies: 155
Views: 42,081
Posted By chris weston

Power v heat waste losses

Slippery Pete, sir,

Saying that "the main reason for thermodynamic efficiency increase in high compression is reduced heat waste to the fluid" is, in my view, wrong. It is the "main reason" aspect...
Forum: Tech Log
21st Nov 2011, 21:47
Replies: 155
Views: 42,081
Posted By chris weston

A ram jet has sufficient compression without the...

A ram jet has sufficient compression without the need for a fan assembly.

Go sub routine velocity dependence!

Why do we compress - to release more energy to do useful work per unit time within...
Forum: Tech Log
20th Nov 2011, 20:14
Replies: 155
Views: 42,081
Posted By chris weston

Thermodynamics

Gentlemen, as a mere physical chemist and at the risk of causing more confusion, may I suggest we try to stick to what is to me the fundamental process here?

The more we compress the air the more...
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