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Design of a High Speed Data Acquisition System for a Transient Rotor-Dynamic Test Rig

Subramanya, S and Deb, A (2016) Design of a High Speed Data Acquisition System for a Transient Rotor-Dynamic Test Rig. In: EXPERIMENTAL TECHNIQUES, 40 (2). pp. 521-529.

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Official URL: http://dx.doi.org/10.1007/s40799-016-0053-5


Rotor test rigs which simulate transient dynamic events such as blade tip rub with inner surface of casing require high frequency data acquisition capability. Data acquisition from a rotating component is conventionally done with a slip-ring arrangement or telemetric transmission. While slip rings introduce noise into the signal, the telemetric transmission works out to be very expensive. As an alternate solution, a novel data acquisition system is designed in order to acquire and store data for a short duration of time and at a high sampling rate of 35 kHz. This system is calibrated through standard tests and provides a simple and efficient mode of data capture. By virtue of being mounted on the rotor, it eliminates the need of transreceiver system and hence the associated signal noise. The system is designed and tested to sustain centrifugal loads corresponding to a maximum speed of 2000 rpm.

Item Type: Journal Article
Additional Information: Copy right for this article belongs to the SPRINGER, 233 SPRING ST, NEW YORK, NY 10013 USA
Department/Centre: Division of Mechanical Sciences > Centre for Product Design & Manufacturing
Date Deposited: 03 Dec 2016 06:30
Last Modified: 03 Dec 2016 06:30
URI: http://eprints.iisc.ac.in/id/eprint/55289

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