Engine Torsional Transducer Comparison

The torsional measurement capabilities of both an angular accelerometer and a toothed wheel - magnetic pickup were compared against the requirements for measuring generator set torsional motions accurately enough for an analytical model to predict operating shaft torques within ten percent. Three ge...

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Bibliographic Details
Published in:SAE transactions 1992-01, Vol.101 (3), p.133-137
Main Author: Seidlitz, Steve
Format: Article
Language:English
Subjects:
Accelerometers
Applied sciences
Crankshafts
Cylinders
Energy
Energy. Thermal use of fuels
Engines
Engines and turbines
Equipments for energy generation and conversion: thermal, electrical, mechanical energy, etc
Exact sciences and technology
Flywheels
Gears
Measurement systems
Torque
Transducers
Wheels
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Description
Summary:The torsional measurement capabilities of both an angular accelerometer and a toothed wheel - magnetic pickup were compared against the requirements for measuring generator set torsional motions accurately enough for an analytical model to predict operating shaft torques within ten percent. Three generator sets were evaluated, ranging in size from 4KW to 1250KW. If properly applied, both torsional measurement systems offered sufficient measurement accuracy. However, the angular accelerometer was preferred over the toothed wheel, since, unbeknownst to the user, the toothed wheel's signal could be significantly altered by the engine's linear shaking.
ISSN:0096-736X
2577-1531