NDLI: Low Frequency Operation of the P3 Micro Heat Engine

Content Provider	The American Society of Mechanical Engineers (ASME) Digital Collection
Author	Scott, A. Whalen Michael, R. Thompson Cecilia, D. Richards David, F. Bahr Robert, F. Richards
Copyright Year	2002
Abstract	The development and low frequency testing of a micro heat engine is presented. Production of electrical power by a dynamic micro heat engine is demonstrated. The prototype micro heat engine is an external combustion engine in which thermal power is converted to mechanical power through a novel thermodynamic cycle. Mechanical power is converted into electrical power through the use of a thin-film piezoelectric membrane generator. This design is well suited to photolithography-based batch fabrication methods and is unlike any conventionally manufactured macro-scale engine. A peak-to-peak voltage of .84 volts, and power output of 1.5 microwatts have been realized at operating speeds of 10 Hz. Measurements are also presented for the engine operating at resonant conditions. Cycle speeds up to 240 Hz have been obtained, with peak-to-peak voltages of 70 millivolts.
Sponsorship	Microelectromechanical Systems
Starting Page	469
Ending Page	476
Page Count	8
File Format	PDF
ISBN	0791836428
DOI	10.1115/IMECE2002-39307
Volume Number	Microelectromechanical Systems
Conference Proceedings	ASME 2002 International Mechanical Engineering Congress and Exposition
Language	English
Publisher Date	2002-11-17
Publisher Place	New Orleans, Louisiana, USA
Access Restriction	Subscribed
Subject Keyword	Cycles Membranes Generators Electricity (physics) Engines Thermal energy Design Thin films Electrical measurement Heat engines Resonance Thermodynamic cycles Manufacturing Photolithography Engineering prototypes Testing
Content Type	Text
Resource Type	Article

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