A EROSPACE E NGINEERING L ABORATORY (MAE308)

1. AEROSPACE ENGINEERING LABORATORY (MAE308) • PROF. SEUNG WOOK BAEK • DIV.OFAEROSPACE ENGINEERING, KAIST, IN KOREA • ROOM: Building N7-2 #3304 • TELEPHONE : 3714 • swbaek@kaist.ac.kr • http://procom.kaist.ac.kr • TA: Dong-il Lee • ROOM: Building N7-2 #3315 • TELEPHONE : 3754 • dilee@kaist.ac.kr

2. MAE 308 Development of hybrid device for photovoltaic power generation and heating CONTENTS 1. Research Background 2. Research Objectives 3. Research Methods 4. Results PROPULSION AND COMBUSTION LABORATORY AEROSPACE ENGINEERING LABORATORY

3. MAE 308 Research Background Fossil Fuel Renewable Energy PROPULSION AND COMBUSTION LABORATORY AEROSPACE ENGINEERING LABORATORY

4. MAE 308 Research Background Relative solar insolation World Solar Insolation Values PROPULSION AND COMBUSTION LABORATORY AEROSPACE ENGINEERING LABORATORY

5. MAE 308 Research Background Solar Heat Solar Cell PROPULSION AND COMBUSTION LABORATORY AEROSPACE ENGINEERING LABORATORY

6. MAE 308 Research Background Concentrated Photovoltaic(CPV) • Lightconcentration (x400~600) • High power generating efficiency

7. MAE 308 Research Objectives • To increase the generating efficiency of CPV • To extract thermal energy from a CPV device Schematic diagram of a heating system using CPV devices PROPULSION AND COMBUSTION LABORATORY AEROSPACE ENGINEERING LABORATORY

8. MAE 308 Research Methods Insulated thermal absorber with a CPV device PROPULSION AND COMBUSTION LABORATORY AEROSPACE ENGINEERING LABORATORY

9. MAE 308 Research Methods Solar tracking device •A, B: Azimuthal angle detection sensor •C, D: Elevation angle detection sensor

10. MAE 308 Results Transient motion of the heating device as a function of time

11. MAE 308 Results Comparison of the actual values obtained from KASSI with experimental data •KASSI: Korea Astronomy and Space Science Institute •KAIST: Korea Advanced Institute of Science and Technology

12. MAE 308 Results Electrical and thermal efficiencies of the CPV and thermal absorber as a function of solar time (1) :Total energy (2) :Maximum power (3) :Collected heat (4) :Electrical efficiency (5) :Thermal efficiency Cell area Concentration ratio Energy density ※ Lenstransmissivity Cell absorptivity

13. MAE 308 THE END. THANK YOU ! PROPULSION AND COMBUSTION LABORATORY AEROSPACE ENGINEERING LABORATORY