METGLAS flywheel feasibility demonstration. Final report

Technical Report · Thu Oct 01 04:00:00 EDT 1981

OSTI ID:5234614

Rabenhorst, D W; Wilkinson, W O

A condensed feasibility demonstration project is described which had objectives: evaluation of metallic glasses for flywheel applications; development of flywheel configurations and fabrication techniques for the use of metallic glass ribbon; the demonstration of these techniques on four subscaled flywheels having a nominal energy capacity of 50 Wh; spin testing of at least two rotors having a nominal energy storage capacity of 200 Wh; and defining a conceptual design for a 1 kWh flywheel for automotive applications. A test program using dry wound METGLAS flywheel rotors was instituted with the following results: the tested rotors achieved between 44% and 67% of initial design maximum energy storage; catastrophic failures of the rotor resulted in small, light fragments which caused only buffing and scratching of the containment structure, so containment structures for this flywheel could be considerably lighter and lower cost than similar structures for conventional flywheels; a 1.04 kWh wheel weighing less than 54.4 kg and having a .305m diameter and a width of .152m should be feasible; and further development is warranted.

• Research Organization: Lawrence Livermore National Lab., CA (USA); Johns Hopkins Univ., Laurel, MD (USA). Applied Physics Lab.
• DOE Contract Number: W-7405-ENG-48
• OSTI ID: 5234614
• Report Number(s): UCRL-15422; ON: DE82011067
• Country of Publication: United States
• Language: English

Related Subjects

25 ENERGY STORAGE
250500* -- Energy Storage-- Flywheels
33 ADVANCED PROPULSION SYSTEMS
330500 -- Advanced Propulsion Systems-- Flywheel Propulsion
AUTOMOBILES
DATA
DESIGN
ELEMENTS
ENERGY STORAGE
EPOXIDES
EXPERIMENTAL DATA
FABRICATION
FAILURES
FEASIBILITY STUDIES
FLYWHEEL ENERGY STORAGE
FLYWHEEL-POWERED VEHICLES
FLYWHEELS
GLASS
INFORMATION
MATERIALS
MECHANICAL ENERGY STORAGE EQUIPMENT
METALS
NUMERICAL DATA
ORGANIC COMPOUNDS
ORGANIC OXYGEN COMPOUNDS
PERFORMANCE
STORAGE
VEHICLES