Wind to Water Presentation 2: Design Features. Overview Wind Energy Capture System Power...
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Transcript of Wind to Water Presentation 2: Design Features. Overview Wind Energy Capture System Power...
![Page 1: Wind to Water Presentation 2: Design Features. Overview Wind Energy Capture System Power Transmission Water Filtration Overall System.](https://reader036.fdocuments.in/reader036/viewer/2022081603/56649ec75503460f94bd3ac4/html5/thumbnails/1.jpg)
Wind to Water
Presentation 2: Design Features
![Page 2: Wind to Water Presentation 2: Design Features. Overview Wind Energy Capture System Power Transmission Water Filtration Overall System.](https://reader036.fdocuments.in/reader036/viewer/2022081603/56649ec75503460f94bd3ac4/html5/thumbnails/2.jpg)
Overview
• Wind Energy Capture System• Power Transmission• Water Filtration• Overall System
![Page 3: Wind to Water Presentation 2: Design Features. Overview Wind Energy Capture System Power Transmission Water Filtration Overall System.](https://reader036.fdocuments.in/reader036/viewer/2022081603/56649ec75503460f94bd3ac4/html5/thumbnails/3.jpg)
Wind Energy Capture
• Savonius Roter– S-roter --Double-Hook
Source: Alexander et al, 1978Source: Modiet al, 1983
![Page 4: Wind to Water Presentation 2: Design Features. Overview Wind Energy Capture System Power Transmission Water Filtration Overall System.](https://reader036.fdocuments.in/reader036/viewer/2022081603/56649ec75503460f94bd3ac4/html5/thumbnails/4.jpg)
Wind Capture Cont. • Equations
Torque Tip speed ratio Angular velocity
Power delivered
![Page 5: Wind to Water Presentation 2: Design Features. Overview Wind Energy Capture System Power Transmission Water Filtration Overall System.](https://reader036.fdocuments.in/reader036/viewer/2022081603/56649ec75503460f94bd3ac4/html5/thumbnails/5.jpg)
Wind Capture Specifications
Rotor Height (m) 4.50Radius of Curvature, q (m) 0.90p (m, Figure 6) 0.36b (m, Figure 6) 0.55Cap Diameter (m) 3.78Extension Angle θ (degrees) 135Number of Rotors 2Estimated Efficiency 7.5%Power Delivered (W) 816Angular Velocity (RPM) 35Torque Delivered (N·m) 222.6Energy Collected (kJ) 8811Cut-In Speed (m/s) 2.5
Turbine Specifications
Turbine Specifications
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Wind Capture Results
0
0.01
0.02
0.03
0.04
0.05
0.06
0.07
0.00 20.00 40.00 60.00 80.00
CP
100·λ(Tip Speed Percentage)
A
B
C
D
E
00.05
0.10.15
0.20.25
0.30.35
0.40.45
0 20 40 60 80
CT
100·λ(Tip Speed Percentage)
A
B
C
D
E
Turbine (P:A )max (W/m2) η max (%)A 5.92 1.80B 6.81 2.07C 8.69 2.65D 22.96 6.08E 16.92 5.69
Rotor Performance
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Photos
![Page 8: Wind to Water Presentation 2: Design Features. Overview Wind Energy Capture System Power Transmission Water Filtration Overall System.](https://reader036.fdocuments.in/reader036/viewer/2022081603/56649ec75503460f94bd3ac4/html5/thumbnails/8.jpg)
Power Transmission
Energy storage system
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Power Transmission Cont.
Pulley system
Torque on weight arm
![Page 10: Wind to Water Presentation 2: Design Features. Overview Wind Energy Capture System Power Transmission Water Filtration Overall System.](https://reader036.fdocuments.in/reader036/viewer/2022081603/56649ec75503460f94bd3ac4/html5/thumbnails/10.jpg)
Power Transmission Cont.• Equations
Force of rope’s tension
Torque of joints
Upstroke Time
Max Arm Angle
Height of Weight
![Page 11: Wind to Water Presentation 2: Design Features. Overview Wind Energy Capture System Power Transmission Water Filtration Overall System.](https://reader036.fdocuments.in/reader036/viewer/2022081603/56649ec75503460f94bd3ac4/html5/thumbnails/11.jpg)
Water Filtration
• Reverse Osmosis System
RO schematic Spiral wound membrane
![Page 12: Wind to Water Presentation 2: Design Features. Overview Wind Energy Capture System Power Transmission Water Filtration Overall System.](https://reader036.fdocuments.in/reader036/viewer/2022081603/56649ec75503460f94bd3ac4/html5/thumbnails/12.jpg)
Cost SummaryCosts Unit Cost Quantity TotalRotor Material $1/sq ft 148.42 sq ft $196Shaft $2/ft 20 ft $36Plywood $0.30/sq ft 40 sq ft $13Rotor Frame $1.50/ft 221.78 ft $313Pulley System $250 1 $250Pump $50 2 $100GAC pretreatment Filter $23 1 $23RO Filter $290 1 $290Filter Housing $230 1 $230Piping $1.50/ft 15 $25Storage tank $120 1 $120Installation $12/hr 4 $48Land $58/acre 0.5 acres $30TOTAL CAPITAL
Annual Filter Replacement$290 (RO), $23(GAC) 1 RO, 2 GAC $340
Annual Pump Maintenance $12/hr 25 hours $300Annual Rope Replacement $0.1/ft 1000 ft $100
Miscellaneous Maintenance $12/hr 25 hours $300TOTAL OPERATION AND MAINTENANCETOTAL ANNUAL COSTEXPECTED LIFETIMEANNUAL LIFETIME COSTANNUAL RESULTANT WATER COST --- 1000 L/day $0.003/L
Cost Summary
$1,040$2,71510 years$1,200
$1,675
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References• Alexander, A. J., & Holownia, B. P. Wind tunnel tests on a savonius roter. Journal of Industrial
Aerodynamics, 1978, Retrieved January 24, 2009, from
https://wiki.duke.edu/download/attachments/13373206/Loughborough+report.pdf. • Modi, V. J., Roth, N. J., & Fernando, M.S. Optimum configuration studies and prototype
design of a wind-energy-operated irrigation system. Journal of Wind Engineering and Industrial Aerodynamics, 16, Retrieved January 24, 2009
• “Reverse Osmosis Water Treatment” (2001). Water Systems. Retrieved January 19, 2009, from http://www.aquatechnology.net/reverse_osmosis.html
• Wagner, J. (2001). Membrane Filtration Handbook: Practical Tips and Hints (2nd ed.). Minnesota: Osmonics, Inc.