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Messages 6891 - 6920 of 7882   Oldest  |  < Older  |  Newer >  |  Newest
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6891
List, It's not every day that a novel beta drive linkage can be seen. Even more rare is one that provides for near linear connecting rod attachments and volume...
Rick Topf
rptopf
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Apr 1, 2006
6:42 pm
6892
SESUSA members (that's you) are invited to visit our YahooGroup homepage, and click on the Database link or go directly here: ...
sesusa@yahoogroups.com
Send Email
Apr 2, 2006
4:54 am
6893
Dear Tom and group: I think I found the mistake, or part of it. On the "DERIV" sheet, the diameter or regenerator housing is calculated like this: ...
leoscollo
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Apr 3, 2006
3:43 pm
6894
Leo you did indeed find an error. The formula for the diameter of the regenerator housing does NOT take into account the area increase by the porosity factor. ...
Tom
tomg3usa
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Apr 10, 2006
5:04 pm
6895
Leo you did indeed find an error. The formula for the diameter of the regenerator housing does NOT take into account the area increase by the porosity factor. ...
Tom
tomg3usa
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Apr 10, 2006
5:05 pm
6896
I uploaded a pdf of a paper from 1969 that has some interesting bits in it. It is in the files section under "maniacal engineer rantings" Enjoy...
the_maniacal_engineer
the_maniacal...
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Apr 10, 2006
6:43 pm
6897
Hello, This email message is a notification to let you know that a file has been uploaded to the Files area of the sesusa group. File :...
sesusa@yahoogroups.com
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Apr 10, 2006
10:47 pm
6898
Great Tom... I think the spreadsheet is very useful. ¿Is there any shareware version or test version of these programs (like SNAP or PROSA)? Thanks... Leo ......
Leonardo S. Scollo
leoscollo
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Apr 12, 2006
7:08 pm
6899
... Hmmm "some interesting bits"...rather some awesome bits! Thanks Chris, I've never seen this paper before. Now for anyone who thinks this report is...
pacificstirling
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Apr 14, 2006
12:23 pm
6900
Replies inline. ... <snippage> ... This is an interesting point. After reading your other posts on regenerator load I can see that this curve would indeed...
the_maniacal_engineer
the_maniacal...
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Apr 15, 2006
8:10 am
6901
... Chris: This is an interesting point. After reading your other posts on regenerator load I can see that this curve would indeed change with working gas....
pacificstirling
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Apr 15, 2006
10:27 pm
6902
In "The Stirling Alternative" G Walker et al compare working fluids by comparing heat transfer per pressure drop for different gasses in a circular duct with...
the_maniacal_engineer
the_maniacal...
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Apr 18, 2006
5:59 pm
6903
I just re-read what I wrote and it is a little cryptic, so let me clarify. The only reason that heat transfer is a problem in an engine is that it costs...
the_maniacal_engineer
the_maniacal...
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Apr 18, 2006
6:23 pm
6904
i have a question : from all the videos that i have seen it appears that when the heater is turned to 'higher' .. the stirling reacts by becoming faster .. and...
peekay
pksharmakolkata
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Apr 19, 2006
3:12 am
6905
the heat that drives the expansion doesn't come from the regenerator, it comes from the hot end heat exchanger. If you put cold gas in the hot cylinder then...
the_maniacal_engineer
the_maniacal...
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Apr 19, 2006
2:56 pm
6906
Bad form to reply to your own post, but I know that Lee won't let me ... The heat that drives the expansion is ANY heat that gets into the gas. But in the...
the_maniacal_engineer
the_maniacal...
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Apr 19, 2006
4:06 pm
6907
... [Matt] Maybe bad form to answer your own question, but not to clarify post (think edit). OP: the heat that drives the expansion doesn't come from the ...
pacificstirling
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Apr 19, 2006
10:49 pm
6908
hello chris and matt at 54 yrs age and discussing in all kinds of groups, i have a fair idea of the 'focus' and 'agenda' of groups .. some have wide and ...
peekay
pksharmakolkata
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Apr 20, 2006
4:46 pm
6909
You are right matt I should have said "no expansion during temperature change" or " no expansion during isothermal heating" plus "work being done only during ...
the_maniacal_engineer
the_maniacal...
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Apr 20, 2006
5:24 pm
6910
I was bot trying to say that you didn't do a good job of familiarizing yourself, I have enjoyed your posts. The point is that what matters is the enthalpy of...
the_maniacal_engineer
the_maniacal...
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Apr 20, 2006
5:41 pm
6911
peekay This topic is some what off topic. What you are discussing is not a Stirling Cycle engine and is not within the spirit of common practical Stirling...
Lee A. White
aninventor2002
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Apr 20, 2006
8:09 pm
6912
I think this is a key point. If you remember that entropy is Qdt, and that entropy is essentially lost work, then any big dt kills you as far as efficiency....
the_maniacal_engineer
the_maniacal...
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Apr 20, 2006
11:15 pm
6913
... oops...Otto & Brayton attempt to lower S via adiabatics, however, a majority of these cycles heat is typically supplied either Cv or Cp which include S. ...
pacificstirling
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Apr 21, 2006
10:34 pm
6914
hello matt question : 'staged' heating in your post means the heating going thru the regenerator ? and 'unstaged' means not going thru the regen ? ..peekay ...
peekay
pksharmakolkata
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Apr 22, 2006
1:05 am
6915
2nd question : 'ultimate' burden of regen may be lower entropy ? what exactly does this mean in context of my first query .. about sending gas at room temp by...
peekay
pksharmakolkata
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Apr 22, 2006
1:09 am
6916
... hi peekay, Few know it was Rankine (mid 19th century) that found gamma function of gas, however, he's well known for early work on entropy. Interestingly,...
pacificstirling
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Apr 22, 2006
1:45 am
6917
hello matt thank you for clarifying .. i will look forward to your posts based on your ref to SE staging .. and quantifying this stuff ..peekay (BASIC research...
peekay
pksharmakolkata
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Apr 22, 2006
3:45 am
6918
most humbly and with a lot of due respect to the nice and undoubtedly very qualified experts here, i crave a bit of indulgence entropy .. at 54 yrs, i may...
peekay
pksharmakolkata
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Apr 22, 2006
5:17 am
6919
My understanding is that the Stirling IS staged - the gas goes through a large number of small dT heatings as it goes through the regenerator. So the gas has...
the_maniacal_engineer
the_maniacal...
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Apr 22, 2006
5:51 am
6920
peekay YES, You have it very very badly wrong. You appear to be making a number of errors but most importantly, you seem to be confusing Entropy with...
Lee A. White
aninventor2002
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Apr 22, 2006
8:17 am
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