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Date of download: 6/2/2016 Copyright © ASME. All rights reserved. From: Pressure Distribution in a Simplified Human Ear Model for High Intensity Sound.

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Presentation on theme: "Date of download: 6/2/2016 Copyright © ASME. All rights reserved. From: Pressure Distribution in a Simplified Human Ear Model for High Intensity Sound."— Presentation transcript:

1 Date of download: 6/2/2016 Copyright © ASME. All rights reserved. From: Pressure Distribution in a Simplified Human Ear Model for High Intensity Sound Transmission J. Fluids Eng. 2014;136(11):111108-111108-7. doi:10.1115/1.4027141 Geometry of the model Figure Legend:

2 Date of download: 6/2/2016 Copyright © ASME. All rights reserved. From: Pressure Distribution in a Simplified Human Ear Model for High Intensity Sound Transmission J. Fluids Eng. 2014;136(11):111108-111108-7. doi:10.1115/1.4027141 A typical example of variation of the blast overpressure with time at the entrance of the ear canal model Figure Legend:

3 Date of download: 6/2/2016 Copyright © ASME. All rights reserved. From: Pressure Distribution in a Simplified Human Ear Model for High Intensity Sound Transmission J. Fluids Eng. 2014;136(11):111108-111108-7. doi:10.1115/1.4027141 Taylor's plot (momentum ratio, I/I 0 versus q) for considering fluid-structure interaction Figure Legend:

4 Date of download: 6/2/2016 Copyright © ASME. All rights reserved. From: Pressure Distribution in a Simplified Human Ear Model for High Intensity Sound Transmission J. Fluids Eng. 2014;136(11):111108-111108-7. doi:10.1115/1.4027141 Reflected pressure wave magnitudes against a solid wall with various inlet or incident pressures Figure Legend:

5 Date of download: 6/2/2016 Copyright © ASME. All rights reserved. From: Pressure Distribution in a Simplified Human Ear Model for High Intensity Sound Transmission J. Fluids Eng. 2014;136(11):111108-111108-7. doi:10.1115/1.4027141 Pressure ratio dependence of the number of nodes in the flow field Figure Legend:

6 Date of download: 6/2/2016 Copyright © ASME. All rights reserved. From: Pressure Distribution in a Simplified Human Ear Model for High Intensity Sound Transmission J. Fluids Eng. 2014;136(11):111108-111108-7. doi:10.1115/1.4027141 TM deflection dependence of the number of nodes of the TM structure Figure Legend:

7 Date of download: 6/2/2016 Copyright © ASME. All rights reserved. From: Pressure Distribution in a Simplified Human Ear Model for High Intensity Sound Transmission J. Fluids Eng. 2014;136(11):111108-111108-7. doi:10.1115/1.4027141 (a) Illustration of the design of the bench model and (b) picture of the bench model with inserted pressure sensors placed inside of the blast or high intensity sound test chamber Figure Legend:

8 Date of download: 6/2/2016 Copyright © ASME. All rights reserved. From: Pressure Distribution in a Simplified Human Ear Model for High Intensity Sound Transmission J. Fluids Eng. 2014;136(11):111108-111108-7. doi:10.1115/1.4027141 (a) Typical waveform of p 0 (pressure amplitude-time curve) measured in bench model and (b) waveform of p 2 measured in bench model Figure Legend:

9 Date of download: 6/2/2016 Copyright © ASME. All rights reserved. From: Pressure Distribution in a Simplified Human Ear Model for High Intensity Sound Transmission J. Fluids Eng. 2014;136(11):111108-111108-7. doi:10.1115/1.4027141 A simulation of pressure propagation through the ear canal, TM, and cavity at six different times, t = 0.02, 0.04, 0.06, 0.08, 0.10, and 0.12 ms when t0 = 90 μs, ρ s = 36 kg/m 3, and E Y = 6 × 10 5 N/m 2 Figure Legend:

10 Date of download: 6/2/2016 Copyright © ASME. All rights reserved. From: Pressure Distribution in a Simplified Human Ear Model for High Intensity Sound Transmission J. Fluids Eng. 2014;136(11):111108-111108-7. doi:10.1115/1.4027141 Pressure ratio p 0 /p 2 dependence of input pressure p 0 Figure Legend:

11 Date of download: 6/2/2016 Copyright © ASME. All rights reserved. From: Pressure Distribution in a Simplified Human Ear Model for High Intensity Sound Transmission J. Fluids Eng. 2014;136(11):111108-111108-7. doi:10.1115/1.4027141 Pressure ratio p 0 /p 2 dependence on q Figure Legend:


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