1 / 22

NOISE RADIATION

G r o u p. Gisela Quintenz & Dr.Thomas Schneider. International CVT Conference September 2004. NOISE RADIATION. due to resonance oscillations. TABLE OF CONTENTS. SIMULATION PROCESS. DYNAMIC BEHAVIOR. OPTIMISATION. TEAM PLAY. 2. OVERVIEW. SIMULATION PROCESS. Sound pressure [dB].

chaz
Download Presentation

NOISE RADIATION

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. G r o u p Gisela Quintenz & Dr.Thomas Schneider International CVT Conference September 2004 NOISE RADIATION due to resonance oscillations

  2. TABLE OF CONTENTS SIMULATION PROCESS DYNAMIC BEHAVIOR OPTIMISATION TEAM PLAY 2

  3. OVERVIEW SIMULATION PROCESS Sound pressure [dB] Incitation: bearing accelerations 1 2 3 4 FE-Model 1 2 3 4 3

  4. SPL-CURVE DYNAMIC BEHAVIOR 2260 Hz 1600 Hz 1300 Hz 2150 Hz 1940 Hz 300 Hz 600 Hz 210 Hz 840 Hz Operational condition “3rd gear“ 4

  5. VERTICAL BENDING DYNAMIC BEHAVIOR 214 Hz 5

  6. BEARING OSCILLATION DYNAMIC BEHAVIOR 600 Hz 6

  7. BEARING OSCILLATION DYNAMIC BEHAVIOR 600 Hz 7

  8. BEARING OSCILLATION WITH ASSEMBLY INTERACTION DYNAMIC BEHAVIOR 8

  9. BEARING BRACKET DYNAMIC BEHAVIOR 1300 Hz 9

  10. FLANGE OSCILLATION DYNAMIC BEHAVIOR 1600 Hz 10

  11. PULLEY TORSION DYNAMIC BEHAVIOR 1940 / 2150 Hz 11

  12. SHAFT BENDING DYNAMIC BEHAVIOR 2260 Hz 12

  13. MOVABLE SHEAVE DYNAMIC BEHAVIOR 3290 Hz 13

  14. FIXED SHEAVE DYNAMIC BEHAVIOR 4150 Hz 14

  15. DAMPING LAYER ____ Basis ____Damping Layer OPTIMISATION (broadband effect) 15

  16. FLANGE DESIGN SPL -5 dB OPTIMISATION 1300 Hz 16

  17. FLANGE DESIGN SPL -6 dB OPTIMISATION 1600 Hz 17

  18. MOVABLE SHEAVE OPTIMISATION 3290 Hz 18

  19. FIXED SHEAVE OPTIMISATION 4150 Hz 19

  20. CAE & TEST: VALIDATION RESULTS TEAM PLAY 5 dB ____ calculation results ____ test rig measurements 20

  21. MEMBERS OF THE OPTIMISATION TEAM TEAM PLAY DESIGN CAE TEST 21

  22. G r o u p Thank you for your attention!

More Related