1 / 19

CM_PWR Drop Test

CM_PWR Drop Test. Structural FEA. Objectives. Simulate Drop Test from 3 feet using Algor simulation Produce an accurate Finite Element Analysis of the event. Materials. Test 1 - Aluminum. Simulated Forces. Test 1 & 2. Analysis. Analysis. Results. Maximum Principal Stress – 1235 psi

ulani
Télécharger la présentation

CM_PWR Drop Test

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. CM_PWR Drop Test Structural FEA

  2. Objectives • Simulate Drop Test from 3 feet using Algor simulation • Produce an accurate Finite Element Analysis of the event

  3. Materials Test 1 - Aluminum

  4. Simulated Forces Test 1 & 2

  5. Analysis

  6. Analysis

  7. Results • Maximum Principal Stress – 1235 psi • 6061- O temper Aluminum • Max Yield Strength ~ 8000 psi • 6061- T6 Aluminum • Max Yield Strength ~ 35000 psi

  8. Materials Test 2 - Delrin

  9. Analysis

  10. Analysis

  11. Analysis

  12. Results • Maximum Principal Stress – 1370 psi • Delrin 500MP NC010 • Max Yield Strength ~ 10200 psi

  13. CM_PWR Thermal Test Structural FEA

  14. Simulated Test Conditions • Transient Thermal Analysis • 3 “Hot Spots” • 0-6 min – 15 watts of Heat Generated • 6-7 min – ramp up to 45 watts of Heat Generated • 7-8 min – Full 45 watts of Heat Generated

  15. Simulated Test Conditions • Initial Temperature – 32º C (90º F) • Convection Coefficient – 3.2 J/(sºCm2) • Surrounding air at 32º C • Density – 1.2096 kg/m3 • Prandtl No. – 0.71 • Thermal Conductivity – 0.0257 W/mºC

  16. Results Test 1 –Aluminum Body & Base

  17. Results Test 2 – DuPontDelrin Body & Aluminum Base

  18. Alternate Design • Heat sink on the bottom of the base plate • 5º C reduction at 6 minutes • 12º C reduction at 8 minutes • 48 in2increase in area • 0.038 lbmmassaddition

  19. Results Test 3 – DuPontDelrin Body & Aluminum (w/ Fins)Base

More Related