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2nd "law" violations => Heat to mechanical energy conversion => Topic started by: Low-Q on August 05, 2011, 03:58:06 PM

Title: Rotary steam engine
Post by: Low-Q on August 05, 2011, 03:58:06 PM

Look what I have bought on ebay! A second hand oil pump. I want to make a steam engine which is much more efficient than piston engines. It is only rotary parts. To harness as much energy as possible, it's important to load the rotor so high pressure can build up. Maybe an upscaled and made of a lighter material can be used as a rotary Stirling engine too. Look at how these pumps work, and imagine what great potential it lays in such a design to maximize efficiency.

(Wonder what happens if I put magnets nearby the two rotors. Will they rotate because the two rotors repell on one side and possibly attract eachother on the other side? That will be another topic, when I have recieved the pump)

http://i712.photobucket.com/albums/ww130/moto-recyclers/ATV/Polaris/Predator500_60_04/Predator5006004Engine019.jpg (http://i712.photobucket.com/albums/ww130/moto-recyclers/ATV/Polaris/Predator500_60_04/Predator5006004Engine019.jpg)

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Title: Re: Rotary steam engine
Post by: Fester on January 12, 2012, 01:53:28 AM

A rotary engine is more efficient that a piston engine. However steam engine is not more efficient than ICE. that pump could make a nice little hydro burner , assuming a faceplate could be made to seal in compression in each of the lobes. And of course valves to move gasses in and out.

Title: Re: Rotary steam engine
Post by: d3x0r on January 12, 2012, 05:00:44 AM

I really like the idea of this guys engine.... as food for thought
 
http://www.engineair.com.au/index.php?option=com_content&view=article&id=2&Itemid=2 (http://www.engineair.com.au/index.php?option=com_content&view=article&id=2&Itemid=2)

Title: Re: Rotary steam engine
Post by: d3x0r on January 12, 2012, 05:02:26 AM

<delted dup attempt>

Title: Re: Rotary steam engine
Post by: Low-Q on March 05, 2012, 01:37:05 PM

I had forgot this thread I started... I Received the pump a while ago. I haven't been able to do much about it, but I still got the pump, so next is to try air pressure - just to see the potential as a steam engine or a rotary stirling engine. I have scaled up some g-rotor drawings, and I will make parts from polystyrene or similar which I will apply a coating on the walls to make it durable and smooth. Then I put one half in a cold side, and the other half in a hot side, and see what happens.


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