Portable Solar CartFinal Report

Portable Solar CartFinal Report

Team Members:Jules Eiche

Jesse HendricksonCarolyn Sutton

Nathan Visan

Team Members:Jules Eiche

Jesse HendricksonCarolyn Sutton

Nathan Visan

OverviewOverview

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

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

BackgroundBackground

• 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 StatementMission 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 a portable cart that will show how thermal panels work in series and in parallel.

• Provide sample lab report.

• Provide alternate designs.

Design CriteriaDesign Criteria

• 8 ft2 between two modules

• Series & parallel flow• Compact, easy storage• Setup time: <10 min

• 8 ft2 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

• Run time: >20 min• Replaceable panels (with alternate panel

design)• Self-contained water storage & pumping

system

AnalysisAnalysis

Reynold’s Number: μ = 1.12E-3 Ns/m2 ρ = 999 kg/m3

Assume a flow of V = .2 m/s (~1gal/min)

Laminar Flow Regime

Reynold’s Number: μ = 1.12E-3 Ns/m2 ρ = 999 kg/m3

Assume a flow of V = .2 m/s (~1gal/min)

Laminar Flow Regime

Efficiency Equation:Efficiency Equation:

1133Re

VD

Effectivenessmdot Cp T

Ac Ic

Solar Thermal Panel DesignSolar Thermal Panel Design

Copper Tubing

Wood Frame

Backing

Glazing

Solar Thermal Panel DesignSolar Thermal Panel Design

Pipe Bending DiagramPipe Bending Diagram

Overall Cart DesignOverall Cart Design

Thermal Panels

Reservoir

Cart

Pump

ComponentsComponents

Fabrication-Pipe BendingFabrication-Pipe Bending

Fabrication-Pipe BendingFabrication-Pipe Bending

Fabrication-Pipe BendingFabrication-Pipe Bending

Fabrication-PanelFabrication-Panel

Fabrication-Solar CartFabrication-Solar Cart

Fabrication-Solar CartFabrication-Solar Cart

Finished Product-PanelFinished Product-Panel

Finished Product-CartFinished Product-Cart

ConclusionsConclusions

• Panel efficiency is between 50 - 60% (preliminary lab data).

• Thermal panel adheres to design criterion.

• Panel efficiency is between 50 - 60% (preliminary lab data).

• Thermal panel adheres to design criterion.

Thank you!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?Questions?