RE: [DMCForum] Rich A -- How about this for an electric car?
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RE: [DMCForum] Rich A -- How about this for an electric car?



That's why they used the Freon, I believe... It was at the right
temp/pressure ratios, and it was recirculated instead of vented... A
sealed system.

 

________________________________

From: DMCForum@xxxxxxxxxxxxxxx [mailto:DMCForum@xxxxxxxxxxxxxxx] On
Behalf Of Bob Brandys
Sent: Friday, July 21, 2006 10:27 AM
To: DMCForum@xxxxxxxxxxxxxxx
Subject: Re: [DMCForum] Rich A -- How about this for an electric car?

 

Steam power has a very long history.

The major problem is getting the condenser temperature as low as 
possible to increase the delta T across the turbine or heat exchanger 
to get maximum efficiency.

On steam powered locomotive, they did this by venting directly to 
atmosphere with increasing expansion of piston drives. However, this 
generated the need for more water ever 60 miles-hence the development 
of towns every 60 miles on RR lines.

With autos we could do the same thing, but we would need lots of water. 
In fact, you would go through up to 10 times more water than gasoline 
( if I remember the calculations rights.) We looked at this in grad 
school, when I ran the 1975 auto energy efficiency program at UIC.

I have looked at a few stanley steams (ca. 1905?) Huge steam powered 
cars. There efficiency was about 5 mph according to the owners.

Bob

 



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