The Repository @ St. Cloud State

Open Access Knowledge and Scholarship

Date of Award

7-2014

Culminating Project Type

Starred Paper

Degree Name

Engineering: M.E.M

Department

Mechanical and Manufacturing Engineering

College

College of Science and Engineering

First Advisor

Ben Beliga

Second Advisor

Hiral Shah

Keywords and Subject Headings

Acoustic Testing of Generator/Alternator Fans

Abstract

The intent of this project was to fill in a gap of the testing knowledge possessed for acoustics of an alternator within a generator set. The objective was to build a test fixture that would allow the user to test the acoustics of alternators without the driving force of an engine, which is a high acoustic source during testing. Eliminating the engine from the equation would allow for more accurate data of the product line, allowing for better utilization of acoustic tools when implementing sound source dampening. At the end of the project, it was found that the test fixture that was used gave useful data within certain frequencies, but will be needing modifications in order to allow for a larger range of frequencies to be more accurately measured.

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