Wind to Water Presentation 2: Design Features

Overview Wind Energy Capture System Power Transmission Water Filtration Overall System

Wind Energy Capture Savonius Roter –S-roter --Double-Hook Source: Alexander et al, 1978 Source: Modiet al, 1983

Wind Capture Cont. Equations Torque Tip speed ratioAngular velocity Power delivered

Wind Capture Specifications Turbine Specifications

Wind Capture Results Rotor Performance

Photos

Power Transmission Energy storage system

Power Transmission Cont. Pulley system Torque on weight arm

Power Transmission Cont. Equations Force of rope’s tension Torque of joints Upstroke Time Max Arm Angle Height of Weight

Water Filtration Reverse Osmosis System RO schematicSpiral wound membrane

Cost Summary

References Alexander, A. J., & Holownia, B. P. Wind tunnel tests on a savonius roter. Journal of Industrial Aerodynamics, 1978, Retrieved January 24, 2009, from 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 Wagner, J. (2001). Membrane Filtration Handbook: Practical Tips and Hints (2nd ed.). Minnesota: Osmonics, Inc.