A Parametric Investigation of Louvered Terminations for Rectangular Ducts 2015-01-2356
The insertion loss of louvered terminations positioned at the end of a rectangular duct is determined using acoustic finite element analysis. Insertion loss was determined by taking the difference between the sound power with and without the louvers at the termination. Analyses were conducted in the plane wave regime and the acoustic source was anechoic eliminating any reflections from the source. The effect of different louver configurations on insertion loss was examined. Parameters investigated included louver length, angle, and spacing between louvers. Based on the analyses, equations were developed for the insertion loss of unlined louvers.
Citation: Chen, G. and Herrin, D., "A Parametric Investigation of Louvered Terminations for Rectangular Ducts," SAE Int. J. Passeng. Cars - Mech. Syst. 8(3):1137-1141, 2015, https://doi.org/10.4271/2015-01-2356. Download Citation
Author(s):
George (Huangxing) Chen, David W. Herrin
Affiliated:
University of Kentucky
Pages: 5
Event:
SAE 2015 Noise and Vibration Conference and Exhibition
ISSN:
1946-3995
e-ISSN:
1946-4002
Also in:
SAE International Journal of Passenger Cars - Mechanical Systems-V124-6EJ, SAE International Journal of Passenger Cars - Mechanical Systems-V124-6
Related Topics:
Finite element analysis
Acoustics
Air conditioning
Heating, ventilation, and air conditioning systems (HVAC)
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