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First recorded activity by BoatBanter: Apr 2007
Posts: 1
Default Piston with cooling channel

Hello Rahul,

What I would do:

1. Check the libraries of the technical universities in the Netherlands and
order the books/studies of my choice to be sent to the local library.
http://aleph.library.tudelft.nl/F/LJ...le_name=find-b
Not much new since I left school

2. Check the bookstores equivalent to Amazon and second hand markets online

3. Check the builders
http://www.wartsila.com/
http://www.manbw.com/
Contact these guys for information and ask them for access to their
technical manuals online for studying purposes.
They are hiring qualified staff at Wartsila in the Netherlands, so be eager
and willing.

4. There is some material around and the dimensions are fair enough to be
used and to be scaled in calculations.
When using this averaged data your calculations could be within 10% of
actual
http://www.wartsila.com/Wartsila/glo...g_rtflex50.pdf
The piston comprises a forged steel crown with a very short skirt. It has
combined jet-shaker oil cooling and is equipped with four rings of the same
thickness.
Calculated surface temperatures are all optimized for thermal strains in the
cover and piston crown...

Hope I could be of any help, my books and manuscripts are 35 years old and
the data of performance runs in former vessels will not do for your purpose,
its too general.


Groeten
www.4eggsco.nl

"Rahul" wrote in message
oups.com...
Has anyone heard about pistons with cooling channels machined inside
them?? I recently came across such kinds of pistons that are used in
big marine engines. Can someone tell me the approximate stroke and
bore of these pistons?? what will be the typical size of a connecting
rod used in marine engines??
Thank you



 
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