High-Efficiency Thermoacoustic Stirling Heat Engine (TASHE)

·         Features:

·         Operates with a variety of power/heat sources

·         High efficiency - 30 % actual thermal efficiency

·         Reliable - Contains no moving parts

·         High temperature reliability

·         Compact and scalable

·         Gravity independent operation - can be used in space applications

·         Applications:

·         Acoustic power and pressure wave generation

·         Electrical generation for ground, under-water, and in space applications

·         Simultaneously produces electrical and cooling power (duplex applications)

·         Drives linear alternator for electrical power generation

·         Drives refrigerator and cryocooler for cooling generation

http://www.sierralobo.com/pictures/TASHE1.png

Schematic of a duplex system for the Venus Lander

http://www.sierralobo.com/pictures/DPMS_Hyd.jpg

No moving parts, high-efficiency TASHE