Diesel Wankels? 1

[Flamefront]

With the advent of electronic controls on Diesel injectors, is anyone working on multiple injections into a Wankel type engine to "chase" the rotor around its path, coming closer to a constant pressure expansion cycle? Seems like a possibility is opening up here. The kludge way of doing it would be with multiple injection events from a single direct injector - the theoretically optimium might come from multiple injectors placed around the housing...

Related topic: Did Rolls Royce ever have success with their Diesel Wankels? It appears that the high surface to volume ratio of Wankel combustion chambers, plus the long, sickle shaped chamber would cause problems for complete compression ignition. Anyone have any comments on how Wankels do as Diesels?

 

[SomptingGuy]

surface/volume controls the amount of heat that goes into the head/block/piston rather than into the expansion work. Those components have thermal limits and require cooling to stay inside the limits. That cooling eventually goes out of the radiator and is lost.


- Steve

 

[dicer]

There have been all kinds of odd Internal combusiton engine designs offered up through out the years. They are all pretty much failures as far as effciency and ease of manufacture. That is why the good old piston engine is still here.

 

[dalcazar]

anyone know the production or development status of the rand cam engine? that thing looked promising.