While researching gas turbines, I came across a fascinating new area in high-tech R&D that bills itself as "micro turbines". These are gas turbines on the order of 1 cm in size and turn at 500,000 to 1,000,000 RPM and higher. Here are a few images from the links included below.
|This combustion chamber only measures 20 mm in diameter and is 2.7 mm thick. |
Supplied by a hydrogen-air mixture, it produces a power of up to 1200 W.
How about a 50-100 W gas turbine generator with
fuel tank the size of a pack of playing cards!
Here is a list of micro turbine links. Some are news posts, but most are journal published, research papers.
THE USE OF MICRO TURBINE GENERATORS IN HYBRID ELECTRIC VEHICLES (PDF)
DEVELOPMENT OF MICROMACHINE GAS TURBINE FOR PORTABLE POWER GENERATION (PDF)