MyE28.com

Just got this in from Amazon

http://www.amazon.com/Internal-Combusti ... 812&sr=8-1




Should keep me off the streets for a while..

You don't strike me as the "on the streets" type of guy, Peter.

930 pages! I'd be done with that in about an hour.

He needs something to keep him occupied while his car is off the road for the winter.

Jeremy wrote:He needs something to keep him occupied while his car is off the road for the winter.

I live in Va Beach; winter is Jan 14-16th this year.

Usually on a weekend so I just sleep in. 8)

This will be the first year in many I won't autocross in Jan (we lost our winter site to Airsoft)

That looks like a really nice text. I have contemplated picking it up. I currently have both volumes of Internal Combustion Engine: In Theory and Practice by Charles Taylor. Both volumes are excellent and its over 1600 pages of reading. Also for a good read on vehicle dynamics I recommend Race Car Vehicle Dynamics by William Milliken.

Big Bronze Rim wrote:That looks like a really nice text. I have contemplated picking it up. I currently have both volumes of Internal Combustion Engine: In Theory and Practice by Charles Taylor. Both volumes are excellent and its over 1600 pages of reading. Also for a good read on vehicle dynamics I recommend Race Car Vehicle Dynamics by William Milliken.

Bruce Bowling recommended it (his hardcopy was well worn at Richmond meet last spring).

I think he mentioned Taylor as well.

I'll check them out, thanks!

Turns out it's pretty heavy, so I'm going slow. Some calculus, but nothing too wild so far.
Also some thermodynamics which I never really studied.

First key concept I picked up; combustion doesn't know rpm, it knows mean piston speed.
Talk about can of worms. My head is starting to hurt.

FirstFives Dictator wrote:
First key concept I picked up; combustion doesn't know rpm, it knows mean piston speed.
Talk about can of worms. My head is starting to hurt.

How does that differ from "nice piston speed" O.K. I'll admit that was dumb but I couldn't help it.

It seems to me that piston speed is a factor of stroke and rpm. Is the mean piston speed the point at which the piston speed maxes out due to crank angle or something like that?

I already had a headache so I figured it wouldn't hurt to ask.

GregATL wrote:
How does that differ from "nice piston speed" O.K. I'll admit that was dumb but I couldn't help it.

It seems to me that piston speed is a factor of stroke and rpm. Is the mean piston speed the point at which the piston speed maxes out due to crank angle or something like that?

I already had a headache so I figured it wouldn't hurt to ask.

Well, seeing as you are already hurting..

MPS (ft per minute) = RPM x 2 x stroke (inches) / 12 (inches per foot) = RPM x stroke / 6

This is according to this site:
http://www.epi-eng.com/ET-PistnVelAccel.htm

Note I purposely skipped Wikipedia entry. That's my goal for 2008, to try to dig at least a little deeper.

Heywood defines MPS, S(bar)(sub-p) = 2LN where L is stroke and N is rotational speed of crankshaft.

FirstFives Dictator wrote:
Well, seeing as you are already hurting..

MPS (ft per minute) = RPM x 2 x stroke (inches) / 12 (inches per foot) = RPM x stroke / 6

This is according to this site:
http://www.epi-eng.com/ET-PistnVelAccel.htm

Note I purposely skipped Wikipedia entry. That's my goal for 2008, to try to dig at least a little deeper.

Heywood defines MPS, S(bar)(sub-p) = 2LN where L is stroke and N is rotational speed of crankshaft.

Love this quote;

Note: If you still believe that installing longer connecting rods will increase an engine's stroke, there's no need for you to go further here.)

FirstFives Dictator wrote:

GregATL wrote:
How does that differ from "nice piston speed" O.K. I'll admit that was dumb but I couldn't help it.

It seems to me that piston speed is a factor of stroke and rpm. Is the mean piston speed the point at which the piston speed maxes out due to crank angle or something like that?

I already had a headache so I figured it wouldn't hurt to ask.

Well, seeing as you are already hurting..

MPS (ft per minute) = RPM x 2 x stroke (inches) / 12 (inches per foot) = RPM x stroke / 6

This is according to this site:
http://www.epi-eng.com/ET-PistnVelAccel.htm

Note I purposely skipped Wikipedia entry. That's my goal for 2008, to try to dig at least a little deeper.

Heywood defines MPS, S(bar)(sub-p) = 2LN where L is stroke and N is rotational speed of crankshaft.

That's a great book. I used it in my ICE class, taught by Prof. Heywood himself.

It's a great book that goes deeply into the theory, derivations, and modeling aspects of ICEs. It's great in that it allows you to think from first principles in many cases. I also know a couple of 'good rule of thumb' books written by others, who's knowledge is gained mostly from their own experiences. What I haven't found yet is a good book that is able to go from theory to reality in terms of the design process, with reasonably depth and clarity, without relying on heavy duty CFD or other finite element modeling.

-Chris

cgraff wrote: What I haven't found yet is a good book that is able to go from theory to reality in terms of the design process, with reasonably depth and clarity, without relying on heavy duty CFD or other finite element modeling.

-Chris

This comment describes alot more than you know. I was trying to determine how to apply what I was reading and realized that even though the formulas were there I didn't know what to do with them.

I is smart enough not.

took it on vacation with me (finally some peace and quiet)

Lots of 'ah ha' moments for me.

Good stuff.