PDF Book on Triple and Quadruple Expansion engines

A special section just for steam engines and boilers, as without these you may as well fit a sail.
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TriangleTom
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PDF Book on Triple and Quadruple Expansion engines

Post by TriangleTom » Thu Nov 17, 2016 8:17 am

Hello All

While doing research today for the engine that I am in the process of designing, I came across an electronic copy of Triple & Quadruple Expansion Engines and Boilers, and their management. I have had some trouble finding literature specifically related to quadruple expansion engines, so if anyone is interested PM me and I'll share the google doc with you.

Thom
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Re: Book on Triple and Quadruple Expansion engines

Post by TahoeSteam » Thu Nov 17, 2016 5:07 pm

PM sent! :D
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Re: Book on Triple and Quadruple Expansion engines

Post by TriangleTom » Thu Nov 17, 2016 5:19 pm

TahoeSteam wrote:PM sent! :D
It's been shared!
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Re: PDF Book on Triple and Quadruple Expansion engines

Post by Akitene » Thu Nov 17, 2016 5:36 pm

This book is available on the much excellent archive.org; here's the link to the pdf version.
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Re: PDF Book on Triple and Quadruple Expansion engines

Post by TriangleTom » Thu Nov 17, 2016 9:57 pm

Akitene wrote:This book is available on the much excellent archive.org; here's the link to the pdf version.
Akitene--

Thanks for the link, that should be more reliable and easier. Also, is anybody aware of other resources on quadruple expansion or compound reheat engines? I have a book with some of Porta's work ordered, but I'm trying to find all that I can.

Thom
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Re: PDF Book on Triple and Quadruple Expansion engines

Post by fredrosse » Fri Nov 18, 2016 5:10 am

Thanks for this excellent publication! Long nights of study here for me.

I also have the original Scientific American article about the "ARROW", a yacht that put Turbinia to shame in the late 1890s. This is the only triple reheat steam plant I have ever seen, and I have worked in steam power since the 1960's. This boat made 40 knots.

I guess I will try to scan it for all to have access.
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Re: PDF Book on Triple and Quadruple Expansion engines

Post by TahoeSteam » Fri Nov 18, 2016 7:08 am

Thank you for the file Thom!

Look up the Halcyon Class minesweepers of the Royal Navy. They had 4-Cylinder compounds with the HP & LP sharing one common piston valve and the LP being a uniflow... The LP's were 180*opposed from the HP's so the HP's exhausted directly into the waiting LP, no receiver needed. Each HP & LP pair were essentially their own engine, combined together with the other pair.

I hope to build an engine similar to this one day.
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Re: PDF Book on Triple and Quadruple Expansion engines

Post by TriangleTom » Fri Nov 18, 2016 6:00 pm

fredrosse wrote:Thanks for this excellent publication! Long nights of study here for me.

I also have the original Scientific American article about the "ARROW", a yacht that put Turbinia to shame in the late 1890s. This is the only triple reheat steam plant I have ever seen, and I have worked in steam power since the 1960's. This boat made 40 knots.

I guess I will try to scan it for all to have access.
I'd really appreciate that. I've never heard of triple reheat even in power plant service; usually the complexity outweighs the efficiency gains after two reheat cycles.

Also, TahoeSteam, are you talking about the Halcyon class minesweepers or torpedo boats?
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Re: PDF Book on Triple and Quadruple Expansion engines

Post by TahoeSteam » Fri Nov 18, 2016 8:36 pm

Thom, I apologize they were the mine sweepers.. I will scan the elevation drawing of the engines today.

Fred, I too would like to see the article on the Arrow
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Re: PDF Book on Triple and Quadruple Expansion engines

Post by TahoeSteam » Fri Nov 18, 2016 11:38 pm

Image

Image
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