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Calling all engineers !!

 
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szielinski



Joined: 13 Jul 2003
Posts: 96
Location: Canberra, Australia

PostPosted: Mon Aug 25, 2003 04:24    Post subject: Calling all engineers !! Reply with quote

I am trying to develop a new sleeve-valve engine idea. I need to determine what the intersection area is at any point along the locus a shape takes that intersects another stationary shape, ie the ports and sleeve ports in a sleeve valve engine. I have access to MathCAD 6.0 (old, I know) but if anyone has a worksheet that might help I would appreciate it.
Also if someone can point me to a where I could find information on the composition of sleeve materials eg KE.965
Thanks in advance
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mmraz



Joined: 13 Jul 2003
Posts: 11

PostPosted: Wed Sep 10, 2003 11:13    Post subject: Re: Calling all engineers !! Reply with quote

szielinski wrote:
I need to determine what the intersection area is at any point along the locus a shape takes that intersects another stationary shape


What are you trying to find exactly? Port area as a function of crankshaft angle? You might try a numeric (computer-aided) or graphical solution instead of beating your brains out looking for an analytic solution (i.e., a formula).

Have you looked for material written about or by Sir Harry Ricardo and Sir Roy Fedden? Do you have access to a first-rate library (preferably an engineering library at a major university)?
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szielinski



Joined: 13 Jul 2003
Posts: 96
Location: Canberra, Australia

PostPosted: Wed Sep 17, 2003 22:23    Post subject: Reply with quote

Essentially, yes, port-area as a function of crank angle (ignoring con-rod length for the moment).
No, I don't readily have access to a major university library.
I have got a copy of the Crecy book from the RRHT, nothing in it except a graph of port area/crank angle, nothing to do with how they calculated the port area.
Any ideas on a program that might calculate with a graphical method ?
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sithomas



Joined: 01 Jan 2019
Posts: 9

PostPosted: Mon Mar 25, 2019 15:30    Post subject: Reply with quote

16 years late, but here it is:
K.E. 965 is 0.4% C, 13.5% Ni, 13% Cr, 0.55% Mo, 2.75% W and 1.5% Si. Fe balance.
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