표제지
초록
Abstract
목차
기호 13
제1장 서론 14
1.1. 개요 14
1.2. 연구 배경 15
제2장 본론 17
2.1. 열 전달 17
2.1.1. 전도 (Conduction) 18
2.1.2. 복사 (Radiation) 19
2.2. 적합직교분해 22
2.3. 실험계획법 25
2.3.1.1. 랜덤화(Randomization)의 원리 26
2.3.1.2. 교락(Confounding)의 원리 26
2.3.1.3. 블록화(Blocking)의 원리 26
2.3.1.4. 반복(Replication)의 원리 26
2.3.1.5. 직교화(Orthogalization)의 원리 26
2.4. 회귀 분석 27
2.4.1. OFAT(One Factor At a Time) 기법 28
2.5. 샘플링 방법 29
2.5.1. Monte Carlo Method 30
2.5.2. Latin Hypercube Sampling 30
2.5.3. Box-Behnken Design 31
2.6. Thermal Desktop(TD) 활용 33
2.6.1. Thermal Desktop 해석 과정 33
2.6.2. Thermal Desktop을 통한 데이터 처리 33
2.7. 파라미터 범위 36
2.7.1. 온도에 따른 파라미터의 변화 36
제3장 POD 축소 모델링 검증 40
3.1. 단순 시편 적용 및 검증 40
3.1.1. 단순 시편 적용 40
3.2. 큐브위성 적용 및 검증 43
3.2.1. 큐브위성 모델링 43
3.2.2. 회귀 분석 기반 주요 파라미터 선정 44
3.2.3. One Factor At a Time 기반 주요 파라미터 선정 52
제4장 결론 및 향후계획 56
4.1. 결론 56
4.2. 향후 계획 57
참고 문헌 59
부록 61
Table 1. One Factor At a Time Example table (3 factors) 28
Table 2. Box-Behnken Design table (3 factors) 32
Table 3. Property of Sample Plate 40
Table 4. Snapshot Parameter 41
Table 5. INHASAT Orbit Condition 43
Table 6. INHASAT Property table 44
Table 7. Regression Coefficient 45
Table 8. Parameters by Regression Analysis 45
Table 9. 7 Factors Box-Behnken Design for 3 Level 46
Table 10. Comparison of Estimation of Results for Arbitrary Parameter based on BBD (Regression Analysis) 48
Table 11. 7 Factor Box-Behnken Design 5 Level Example table 49
Table 12. Comparison of Estimation of Results for Arbitrary Parameter based on Monte Carlo Method (Regression Analysis) 50
Table 13. Results of Estimation by 50 samples using LHS Method 51
Table 14. Results of Estimation by 100 samples using LHS Method 51
Table 15. Results of Estimation by 150 samples using LHS Method 51
Table 16. Results of Estimation by 200 samples using LHS Method 51
Table 17. Comparison of Estimation of Results for Arbitrary Parameter based on LHS (Regression Analysis) 52
Table 18. Temperature Change Rate 53
Table 19. Parameters by One Factor At a Time 54
Table 20. Comparison of Estimation of Results for Arbitrary Parameter based on BBD (OFAT) 55
Table 21. Comparison of Estimation of Results for Arbitrary Parameter based on Monte Carlo (OFAT) 55
Table 22. Comparison of Estimation of Results for Arbitrary Parameter based on LHS (OFAT) 55
Table 23. Comparison of Distribution Functions (OFAT, LHS, Mean Celsius) 58
Figure 1. Sample of Proper Orthogonal Decomposition 14
Figure 2. Mechanism of Conduction, Convection and Radiation 17
Figure 3. Conservation of energy for the control volume at a time 18
Figure 4. Association of conduction heat transfer with diffusion of energy due to molecular activity 19
Figure 5. Radiation and convection heat transfer between surface and ambient temperature 20
Figure 6. Reflectivity, absorptivity, and transmissivity from semitransparent medium 21
Figure 7. Sample of POD Reduced Order Model 23
Figure 8. OFAT Diagram (3 Factor) 28
Figure 9. Latin Hypercube Sampling Image 31
Figure 10. Box-Behnken Design Diagram (3 factor) 32
Figure 11. TD SINDA Operation Utilization and qmap Extraction Method 34
Figure 12. Qmap Data 35
Figure 13. Comparison Thermal Conductivity of Aluminum Alloy 6061 38
Figure 14. Total Hemispherical Emissivity of pure Aluminum 39
Figure 15. Sample Plate Modeling 41
Figure 16. Analysis Result by Every Snapshots 42
Figure 17. INHASAT Modeling 43
Figure 18. INHASAT Model 47
Figure 19. Temperature Distribution by Changed E_FR4 Parameter 53
Figure 20. Results of INHASAT Thermal Analysis 61
Figure 21. Results of Temperature Analysis Estimation at Center Point by Box-Behnken Design, Regression Analysis 61
Figure 22. Results of Temperature Analysis Estimation at Center Point by Monte Carlo Method, Regression Analysis 62
Figure 23. Results of Temperature Analysis Estimation at Center Point by Box-Behnken Design, OFAT 62
Figure 24. Results of Temperature Analysis Estimation at Center Point by Monte Carlo Method, OFAT 63