Group: sci.energy
From: Dan Bloomquist
Date: Saturday, February 16, 2008 8:57 AM
Subject: Re: Tesla Turbine (again)

your dog wrote:

> This seems to be a function of fluid used, disk spacing, rpm, and
> diameter. My napkin says that the Tesla Turbine ends up being
> substantially more efficient and cheaper than "conventional" impulse
> and pressure turbines for a number of smaller (that is, other than the
> "major" turbine applications like steam/water power generation and gas
> turbine engines) applications that turbines are used for now.
>
> So what am I missing?

A fundamental contradiction. The working volume decreases as you move
toward the center of the disks but energy comes from the expansion of a gas.