Portable Solar Cart Final Report Team Members: Jules Eiche Jesse Hendrickson Carolyn Sutton Nathan Visan Team Members: Jules Eiche Jesse Hendrickson Carolyn Sutton Nathan Visan

Overview Background Mission Statement Design Criteria Final Design Fabrication Conclusion Questions Background Mission Statement Design Criteria Final Design Fabrication Conclusion Questions

Background Solar energy is increasing in importance. Oregon has access to substantial solar energy. PSU ME Department offers Solar Energy taught by Professor Spolek. Solar energy is increasing in importance. Oregon has access to substantial solar energy. PSU ME Department offers Solar Energy taught by Professor Spolek.

Mission Statement Design a portable cart that will show how thermal panels work in series and in parallel. Provide sample lab report. Provide alternate designs.

Design Criteria 8 ft 2 between two modules Series & parallel flow Compact, easy storage Setup time: <10 min 8 ft 2 between two modules Series & parallel flow Compact, easy storage Setup time: <10 min Run time: >20 min Replaceable panels (with alternate panel design) Self-contained water storage & pumping system

Analysis Reynold’s Number: μ = 1.12E-3 Ns/m 2 ρ = 999 kg/m 3 Assume a flow of V =.2 m/s (~1gal/min) Laminar Flow Regime Reynold’s Number: μ = 1.12E-3 Ns/m 2 ρ = 999 kg/m 3 Assume a flow of V =.2 m/s (~1gal/min) Laminar Flow Regime Efficiency Equation:

Solar Thermal Panel Design Copper Tubing Wood Frame Backing Glazing

Solar Thermal Panel Design Pipe Bending Diagram

Overall Cart Design Thermal Panels Reservoir Cart Pump

Components

Fabrication-Pipe Bending

Fabrication-Panel

Fabrication-Solar Cart

Finished Product-Panel

Finished Product-Cart

Conclusions Panel efficiency is between % (preliminary lab data). Thermal panel adheres to design criterion. Panel efficiency is between % (preliminary lab data). Thermal panel adheres to design criterion.

Thank you! ME department for funds. Dr. David Sailor for copious technical assistance. Chuck Heino for numerous last- minute hours in the shop. ME department for funds. Dr. David Sailor for copious technical assistance. Chuck Heino for numerous last- minute hours in the shop.

Questions?