Supersonic Wind and Imaging Flow Tunnel

1
Supersonic Wind and Imaging Flow Tunnel
Interim Review 1
Kendria Alt Joshua Clement Shannon
Fortenberry Katelynn Greer

• David McNeill
• Charles Murphy
• Matthew Osborn
• David Springer

2
Contents

• Design Summary
• Test Section
• Stress Analysis
• Thermal Analysis
• Testing Plan
• Schedule Status
• Budget Status

3
Design Summary

• Tunnel System
• CDR-Issues
• Thermal Analysis Window - Resolved
• RFA FOS on Window - Resolved
• Post CDR-Issues
• FOS on Nozzle - Resolved

• Visualization System
• Post CDR-Issues
• Light Intensity Unknown
• - Variable Intensity Power Source

4
Nozzle AnalysisVersion 2
Stress
Displacement
note deformation scale is 100x
FOS
Hydrostatic Actual FOS
yield 2.2 4.0 FOS ultimate 3.9 7.2
5
Window AnalysisVersion 2
Stress
Displacement
note deformation scale is 100x
FOS
Hydrostatic Actual FOS
yield 4.1 7.1 FOS ultimate 4.1 7.1
6
Thermal AnalysisVersion 2
7
Testing Overview
HP Leak
LP Leak
Acrylic Bonding
Hydraulic Static
Visualization
Sensor
PRV
Integration 1
Integration 2
Verification 1-6
Verification 10-12
Verification 7-9
Lab
8
Hydraulic Static Test

• Test Flange and Test Section
• Leak Check
• 1.5 x MDP (1050 psi)
• Check for Plastic Deformation
• Equipment
• Hydraulic pump
• Provided by Civil Engineering Lab
• Calipers
• Location
• Civil Engineering Structure and Material Testing
  Lab
• After Hours
• Performed not Later than 2/10/07

9
Visualization Test/Calibration

• Test Accuracy and Resolution
• Calibrate all Components
• Optimize Light Source Intensity
• Optimize Camera Location
• Equipment
• Entire Visualization System
• Cold Spray
• Coupon
• Location
• Senior Projects Room
• Dark Light Conditions
• Performed not Later than 2/14/07

10
Integration Tests

• Demonstrate Full System Compatibility
• 1st Integration Test
• No Sound Booth
• Measure Noise
• Check for Supersonic Phenomena
• Measure Temperature Changes in Test Section
• 2nd Integration Test
• Add Sound Booth
• Repeat Results
• Equipment
• Sound Level Meter (x2)
• Stop Watch
• Laser Thermometer
• ITLL Lab station
• Location
• ITLL 2B Patio
• Performed not Later than 3/02/07
• Dependent on ALL Subsystem Tests

11
Verification Tests

• 12 Full System Tests
• Tests 1-6 (Mach 2)
• PDD Requirements
• Software
• Noise
• Run Time
• Shock Attached/Detached (Wedge)
• Nozzle Accuracy
• Flow Quality
• Complete 6 Tests without Changing Commercial Tanks

12
Verification Tests (cont.)

• Tests 7-9 (Mach 1.5)
• PDD Requirements
• Noise
• Run Time
• Shock Attached/Detached (Wedge)
• Nozzle Accuracy
• Flow Quality
• Tests 10-12 (Mach 2.5)
• PDD Requirements
• Noise
• Run Time
• Shock Attached/Detached (Wedge)
• Nozzle Accuracy
• Flow Quality

13
Verification Tests (cont.)

• Equipment
• Sound Level Meter (x2)
• Stop Watch
• ITLL Lab station
• 1-2 TAs
• 4-6 Sophomore Students
• Location
• ITLL
• Dependant on ALL Tests
• Performed between 3/02/07 4/10/07

14
Sample Lab Demonstration

• Execute a Sample Lab for ASEN 2004
• Performed by Sophomore Volunteers
• Predict Mach Number from Area Ratio
• Execute Complete Test
• Calculate Mach Number from Schlieren
• Equipment
• ITLL Lab Station
• 1-2 TAs
• 4-6 Sophomore Students
• Location
• ITLL
• Performed not Later than 4/17/07

15
Schedule Progress
16
Schedule Progress

• Completed Tasks
• Cart Modifications
• Tank Integration
• Pipe Support
• In Work / Future Tasks Expected Finish Date
• 1st Test Section (Mach 2) 02/09/07
• Flange 02/06/07
• Manifold 02/15/07
• Hi and Low Pressure Piping 02/15/07
• Knife Edge Interchange 02/15/07
• Light Source Encasing 02/15/07
• Future Work
• Remaining Test Sections 04/05/07
• Schlieren Assembly 02/15/07
• Sound Box 02/19/07
• Schlieren Encasing

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Budget

• Spent 4804.85
• We are under budget including
• Cost increases since 1st of the year
• High shipping charges
• Surplus due to our 25 contingency and over
  estimates
• Applying for Spring EEF funds

18
Appendices
19
Boundary Conditions
(1)
(2)
(3)

1. Fully Fixed at Bolt Holes
2. Simply Supported at Flange and Washer
3. Pressure Applied Normal To Interior

20
Nozzle AnalysisVersion 1
Stress
Displacement
FOS
Hydrostatic Actual FOS
yield 2.0 3.6 FOS ultimate 3.7 6.7
note deformation scale is 100x
21
Window AnalysisVersion 1
Stress
Displacement
FOS
Hydrostatic Actual FOS
yield 4.0 6.9 FOS ultimate 4.0 6.9
note deformation scale is 100x
22
Visualization Design Summary

• Monochromatic/Color Schlieren System
• Straight pass system using 2 achromatic lenses.
• 45 degree angled mirror to extend second focal
  length.
• Interchange device attached to the 3-axis
  translation stage allows for knife edge/color
  filter exchange.
• Capture camera with lens array

23
Testing Overview
24
Acrylic Bonding Test

• Test Acrylic Bond Shear Strength
• 20 ¼ in Acrylic Test Objects
• Weld-on to ½ in Acrylic Frame
• Add Weight to Test Object until Failure
• Equipment
• Strap
• Bucket
• Weights
• Location
• Senior Projects Room
• Performed not Later than 2/05/07

25
Leak Tests

• Leak Test 3 Piping Systems
• Pressurize to 50 psi
• Measure Pressure Drop Over 12 Hours
• Increase Pressure to MOP
• Check Seals with soap spray
• Equipment
• Air Pump/Compressed Air
• Pressure Gauge
• Spray Bottle with Soap and Water
• Location
• Aerospace Engineering Lab
• After Hours
• Performed not Later than 2/15/07

26
Sensor Calibration

• Calibrate Thermocouple and Pressure Transducer
• Thermocouple
• Calibrate Against another K-type Thermocouple
• Ice Water Bath
• Pressure Transducer
• Calibrate against Pressure Gauge
• Settling Tank
• Equipment
• Compressed Air
• Pressure Gauge
• Other Thermocouple
• Ice Water Bath
• ITLL Lab Station
• Location
• ITLL
• Performed not Later than 2/22/07

27
Pressure Relief Valve Calibration

• Test and Calibrate the Pressure Relief Valve
• Pressurize Settling Tank to 660 psi
• Adjust Crack Pressure
• Increase Pressure to MDP
• Measure Reseat Pressure
• Equipment
• Air Pump/Compressed Air
• Pressure Gauge
• Pressure Transducer
• ITLL Lab Station
• Location
• ITLL
• Performed not Later than 2/26/07
• Dependant on Sensor Calibration Tests

28
Budget