FoRTeS II Forced Response Testing System II Andrew S. Meyer Scott E. Schrinner Anthony W. Taphorn...
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Transcript of FoRTeS II Forced Response Testing System II Andrew S. Meyer Scott E. Schrinner Anthony W. Taphorn...
![Page 1: FoRTeS II Forced Response Testing System II Andrew S. Meyer Scott E. Schrinner Anthony W. Taphorn Faculty Advisor: Joseph C. Slater, Ph.D. AFRL Advisor.](https://reader035.fdocuments.in/reader035/viewer/2022070400/56649f125503460f94c266bc/html5/thumbnails/1.jpg)
FoRTeS IIForced Response Testing System II
Andrew S. Meyer
Scott E. Schrinner
Anthony W. Taphorn
Faculty Advisor: Joseph C. Slater, Ph.D.
AFRL Advisor and Project Sponsor: Charles J. Cross, Ph.D.
![Page 2: FoRTeS II Forced Response Testing System II Andrew S. Meyer Scott E. Schrinner Anthony W. Taphorn Faculty Advisor: Joseph C. Slater, Ph.D. AFRL Advisor.](https://reader035.fdocuments.in/reader035/viewer/2022070400/56649f125503460f94c266bc/html5/thumbnails/2.jpg)
Presentation Outline
• Goals
• Apparatus
• Evaluation Methods / Data
• Summary
![Page 3: FoRTeS II Forced Response Testing System II Andrew S. Meyer Scott E. Schrinner Anthony W. Taphorn Faculty Advisor: Joseph C. Slater, Ph.D. AFRL Advisor.](https://reader035.fdocuments.in/reader035/viewer/2022070400/56649f125503460f94c266bc/html5/thumbnails/3.jpg)
Goals
• Design and construct a testing system that will cause a travelling wave forced response in a modeled turbine engine stage
• Precise computer control of motor for testing rig
• Investigate the vibration in tuned and de-tuned bladed disc assemblies
![Page 4: FoRTeS II Forced Response Testing System II Andrew S. Meyer Scott E. Schrinner Anthony W. Taphorn Faculty Advisor: Joseph C. Slater, Ph.D. AFRL Advisor.](https://reader035.fdocuments.in/reader035/viewer/2022070400/56649f125503460f94c266bc/html5/thumbnails/4.jpg)
Apparatus
![Page 5: FoRTeS II Forced Response Testing System II Andrew S. Meyer Scott E. Schrinner Anthony W. Taphorn Faculty Advisor: Joseph C. Slater, Ph.D. AFRL Advisor.](https://reader035.fdocuments.in/reader035/viewer/2022070400/56649f125503460f94c266bc/html5/thumbnails/5.jpg)
Driving Fan
![Page 6: FoRTeS II Forced Response Testing System II Andrew S. Meyer Scott E. Schrinner Anthony W. Taphorn Faculty Advisor: Joseph C. Slater, Ph.D. AFRL Advisor.](https://reader035.fdocuments.in/reader035/viewer/2022070400/56649f125503460f94c266bc/html5/thumbnails/6.jpg)
Motor Plate and Shaft
![Page 7: FoRTeS II Forced Response Testing System II Andrew S. Meyer Scott E. Schrinner Anthony W. Taphorn Faculty Advisor: Joseph C. Slater, Ph.D. AFRL Advisor.](https://reader035.fdocuments.in/reader035/viewer/2022070400/56649f125503460f94c266bc/html5/thumbnails/7.jpg)
Evaluation Methods
• Bench tests• Impact hammer excitation
• In rig tests• Travelling wave excitation• RPM Sweeps
• Correlation of data
![Page 8: FoRTeS II Forced Response Testing System II Andrew S. Meyer Scott E. Schrinner Anthony W. Taphorn Faculty Advisor: Joseph C. Slater, Ph.D. AFRL Advisor.](https://reader035.fdocuments.in/reader035/viewer/2022070400/56649f125503460f94c266bc/html5/thumbnails/8.jpg)
Bench Test Natural Frequencies
N.F. #1 N.F. #2 N.F. #3
57.00 247.50 352.20
56.75 248.75 350.60
56.50 247.50 348.13
56.25 246.88 349.38
56.50 248.75 348.13
56.50 248.75 348.75
56.50 247.50 346.25
56.75 247.50 345.00
56.25 248.75 348.13
![Page 9: FoRTeS II Forced Response Testing System II Andrew S. Meyer Scott E. Schrinner Anthony W. Taphorn Faculty Advisor: Joseph C. Slater, Ph.D. AFRL Advisor.](https://reader035.fdocuments.in/reader035/viewer/2022070400/56649f125503460f94c266bc/html5/thumbnails/9.jpg)
Inter BladePhase Angle
![Page 10: FoRTeS II Forced Response Testing System II Andrew S. Meyer Scott E. Schrinner Anthony W. Taphorn Faculty Advisor: Joseph C. Slater, Ph.D. AFRL Advisor.](https://reader035.fdocuments.in/reader035/viewer/2022070400/56649f125503460f94c266bc/html5/thumbnails/10.jpg)
PSD Travelling Peak
![Page 11: FoRTeS II Forced Response Testing System II Andrew S. Meyer Scott E. Schrinner Anthony W. Taphorn Faculty Advisor: Joseph C. Slater, Ph.D. AFRL Advisor.](https://reader035.fdocuments.in/reader035/viewer/2022070400/56649f125503460f94c266bc/html5/thumbnails/11.jpg)
PSD Travelling Peak
![Page 12: FoRTeS II Forced Response Testing System II Andrew S. Meyer Scott E. Schrinner Anthony W. Taphorn Faculty Advisor: Joseph C. Slater, Ph.D. AFRL Advisor.](https://reader035.fdocuments.in/reader035/viewer/2022070400/56649f125503460f94c266bc/html5/thumbnails/12.jpg)
Normalized Maximum PSD1st Natural Frequency
![Page 13: FoRTeS II Forced Response Testing System II Andrew S. Meyer Scott E. Schrinner Anthony W. Taphorn Faculty Advisor: Joseph C. Slater, Ph.D. AFRL Advisor.](https://reader035.fdocuments.in/reader035/viewer/2022070400/56649f125503460f94c266bc/html5/thumbnails/13.jpg)
Normalized Maximum PSD 2nd Natural Frequency
Normalized Maximum PSD
0
0.2
0.4
0.6
0.8
1
1.2
1820 1830 1840 1850 1860 1870 1880 1890 1900
RPM
Amplitude (Nromalized))
Blade 1
Blade 8
Blade 2
Blade 5
Blade 6
Blade 9
Blade 3
Blade 7
Blade 4
![Page 14: FoRTeS II Forced Response Testing System II Andrew S. Meyer Scott E. Schrinner Anthony W. Taphorn Faculty Advisor: Joseph C. Slater, Ph.D. AFRL Advisor.](https://reader035.fdocuments.in/reader035/viewer/2022070400/56649f125503460f94c266bc/html5/thumbnails/14.jpg)
Summary
• Successful completion of testing rig that causes a travelling wave forced response in a modeled turbine engine stage
• Precise computer controlled motor for testing rig
• Verification of in-rig testing via bench testing
![Page 15: FoRTeS II Forced Response Testing System II Andrew S. Meyer Scott E. Schrinner Anthony W. Taphorn Faculty Advisor: Joseph C. Slater, Ph.D. AFRL Advisor.](https://reader035.fdocuments.in/reader035/viewer/2022070400/56649f125503460f94c266bc/html5/thumbnails/15.jpg)
Acknowledgements
• Special thanks to• Dr. Charles J. Cross for sponsoring the project,
advice, and input• AFRL & UTC for funding and time extension• Dr. Joseph C. Slater for advice and input• Rockwell Automation, Twist, and Valeo for
material donations and academic discounts• WSU Machine Shop for manufacturing assistance