Appendix A - 10. ambient T- The ambient temperature outside...

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Appendix A Explanations of the variables in equations I. ambient g g sb sb g io T A U A U g A I T + + = ) )( )( ( 0 α τ 1. io T - The temperature inside the oven 2. o I - Incident solar power density ( 2 meters watts ) 3. g A - Area of the glazing 4. - Transmissivity of the glazing 5. - Absorptivity of the black paint 6. g – gain of the reflectors 7. sb U - Overall heat transfer coefficient through the side and bottom 8. sb A - Overall area that the power flows through the side and bottom 9. g U - Overall heat transfer coefficient through the glazing
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Unformatted text preview: 10. ambient T- The ambient temperature outside of the box II. COST T T PI ambient io-= 1. PI = Performance Index Appendix B Prices of the various materials used in the solar oven project $2.25 for each 1.2 m by 1.2 m sheet of cardboard $0.25 for each 8 by 11 sheet of transparency $0.25 for metal plate inside the oven $0.10 cost of assembly of each cardboard part....
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This note was uploaded on 03/17/2010 for the course ENGR 102 taught by Professor Likhatchev during the Spring '07 term at University of Arizona- Tucson.

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Appendix A - 10. ambient T- The ambient temperature outside...

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