표제지
목차
요약문 5
I. 서론 8
II. 수치해석방법 11
II-1. 유동해석 영역 및 경계조건 12
II-2. 격자 의존성 시험 14
III. 결과 및 검토 15
IV. 결론 38
참고문헌 39
Table 1. Dimensions of distributed serpentine-type cooling plate 33
Table 2. Properties of fluid and solid 34
Table 3. Properties of boundary condition 35
Table 3. Geometry and simulation parameters 36
Table 4. Results of validation of computed Nusselt number at Re = 1000 37
Fig. 1. Various types of fuel cell 17
Fig. 2. Schematic of a fuel cell stack 18
Fig. 3. Schematic diagrams of distributed serpentine-type cooling plate 21
Fig. 4. Boundary conditions 22
Fig. 5. Configurations of distributed serpentine-type cooling plate 23
Fig. 6. An example of computational grids 24
Fig. 7. Grid dependency test 25
Fig. 8. Validation of numerical results for variation of pressure drop with Reynolds number 26
Fig. 9. Velocity distributions on the x-y plane at z=0.5㎜ 27
Fig. 10. Pressure-drop of four distributed serpentine-type cooling plate 28
Fig. 11. Nusselt number distributions on the x-y plane at z=0.0㎜ (bottom surface) 29
Fig. 12. Nusselt number for four distributed serpentine-type cooling plate 30
Fig. 13. Temperature distributions on the x-y plane at z=0.0㎜ (bottom surface) 31
Fig. 14. Uniformity index for four distributed serpentine-type cooling plate 32