Slide 1

Senior Design Team 12: Chase Bryant Alexandra Callich Jonathan Meyer-Senior Elliot Popper Rayford Rahming Christian Scott 1

Slide 2

Brake Failure Resulting in Blade and Structure Destruction 2

Slide 3

Brake Failure Resulting in an Explosion Structural Failure Resulting in Collapse 3

Slide 4

4

Slide 5

5

Slide 6

1. Horizontal-Axis 2. Savonius Vertical-Axis 3. Darreus Vertical-Axis 6

Slide 7

Turbine Concepts Concept 1Concept 2Concept 3 Weight ScoreWeightedScoreWeightedScoreWeighted Efficiency 14% 5 0.720.2830.42 Endurance 35% 41.410.351 Cost 20% 20.4512.50.5 Weight 14% 2.50.3540.564 Ease of operation 7% 4.50.31510.0720.14 Size 10% 20.240.430.3 = 3.365 = 2.66 = 2.27 7

Slide 8

Manual Tilt and Cable Method 8

Slide 9

3. Hinged-Cable Assisted 1. Quadruped Foundation with Hinged Tower 2. Reinforced-Traditional 9

Slide 10

Tower and Foundation Concepts Concept 1Concept 2Concept 3 Weight ScoreWeightedScoreWeightedScoreWeighted Cost 15% 4.50.67520.371.05 Construction 15% 81.220.32 Failure Resistance 50% 8.54.258494.5 Service Life 15% 71.057 40.6 Environmental 5% 8.50.42530.1570.35 = 7.6 = 5.8 = 6.8 10

Slide 11

Horizontal-Axis Turbine Quadruped-Foundation Hinged Tower with Counterweight Wind Turbine Systems Induction Generator System Control System Braking System Hydraulic Drive System 11

Slide 12

12

Slide 13

13

Slide 14

During high winds, turbine not active exposed Structure durable in high winds Ease of Fabrication and Construction Ease of Access for Maintenance and Repairs 14

Slide 15

Debris present at lowered position Transportation will take longer due to heavier components Hinge fatigue Dilemma Height Restriction 15

Slide 16

16

Slide 17

1. Cylinder chosen 2. System designed around cylinder and lift. Cylinder Parameter Units Value Volume gal0.297 Stroke in14 Diameter(bore) in2.5 Diameter(rod) in1.5 Flow Rate (desired) gpm1.487 Forces and Pressures on Cylinder Parameters Units Value Lift Force lbf300 Lift Pressure psi61.115 Retract Force lbf300 Retract Pressure psi95.493 Compressed air pressure psi214.38 Total Pressures psi~400 17

Slide 18

18

Slide 19

19

Slide 20

20 Arduino V in UpDownV out Hydraulic Pump Auto Relay Switch V Battery + -

Slide 21

21

Slide 22

22 HingeUpper Assembly Tower Leg Bearing

Slide 23

Microcontroller New Turbine Blades Wind Turbine Induction Generator Data-Logging Anemometer 23

Slide 24

Hydraulic Cylinder Hydraulic Power Unit with Solenoid Control Switch 24

Slide 25

Located in Thomasville, GA. Southern Division focuses primarily on the Southeast Greg Orff General Manager 25

Slide 26

Welding on Gusset Plates Completed Legs Cutting pipes at 60 angles 26

Slide 27

Drilling holes in Gusset Plates Completed Upper Assembly Welding of Upper Assembly 27

Slide 28

28 Upper Assembly and Legs

Slide 29

29

Slide 30

Video 30

Slide 31

31

Slide 32

At night Turbines display flashing red lights Wildlife Birds Scientists found that birds simply fly around the farm, or between the turbines; less than 1% are in danger of colliding with the giant structures. Bats Attracted to Turbines Research on an Ultrasonic Deterrent underway 32

Slide 33

Delays in component procurement Minor design adjustments for machine shop production Assistance needed in implementing electrical components Output of anemometer difficult to work with Discovery of permanent placement for prototype 33

Slide 34

Successful design of turbine system for hurricane-prone regions Fabrication of a prototype Structurally sound with little to no stresses that may cause failure or fatigue Fail-safes implemented to account for any malfunctions 34

Slide 35

35