표제지
목차
I. 서론 7
II. 기초연구 10
2.1. 난방장치의 일반사항 10
2.2. 바닥 난방시스템의 기술평가 11
2.2.1. 국내 11
2.2.2. 국외 13
2.3. 기존 연구 15
III. 실험장치 및 방법 23
3.1. 실험장치 23
3.1.1. 실험장치 구성 23
3.1.2. 전열밀폐식 X-L 파이프 보일러의 개념도 30
3.2. 실험방법 31
IV. 실험결과 및 고찰 33
V. 결론 53
참고문헌 55
국문초록 57
ABSTRACT 58
Fig. 3-1. Example of use for solar heat energy 26
Fig. 3-2. Setup of heating system in X-L pipe boiler 26
Fig. 3-3. Schematic diagram of experimental apparatus 27
Fig. 3-4. Schematic diagram of experimental apparatus (direct photograph) 28
Fig. 3-5. Example of temperature measurement 28
Fig. 3-6. Pressure measurement for X-L pipe end 29
Fig. 3-7. Thermocouple line for measuring surface temperature of X-L pipe 29
Fig. 3-8. Heating system of X-L pipe boiler 31
Fig. 4-1. Inside temperature of X-L pipe with respect to the number of electric heating line (X=2m) 36
Fig. 4-2. Surface temperature of X-L pipe with respect to the number of electric heating line (X=2m) 36
Fig. 4-3. Inside temperature of X-L pipe with respect to the number of electric heating line (X=8m) 37
Fig. 4-4. Surface temperature of X-L pipe with respect to the number of electric heating line (X=8m) 37
Fig. 4-5. Inside pressure of X-L pipe with respect to the number of electric heating line 38
Fig. 4-6. Surface temperature of electric heating line in outside of X-L pipe with respect to voltage 43
Fig. 4-7. Inside temperature of X-L pipe with respect to voltage (X=2m) 43
Fig. 4-8. Surface temperature of X-L pipe with respect to voltage (X=2m) 44
Fig. 4-9. Inside temperature of X-L pipe with respect to voltage (X=8m) 44
Fig. 4-10. Surface temperature of X-L pipe with respect to voltage (X=8m) 45
Fig. 4-11. Inside pressure of X-L pipe with respect to voltage 45
Fig. 4-12. Inside temperature(X=2m, 8m) with respect to elapsed time 49
Fig. 4-13. Outside temperature(X=2m, 8m) with respect to elapsed time between pipes 49
Fig. 4-14. Outside temperature(X=2m, 8m) with respect to elapsed time 50
Fig. 4-15. Outside temperature(X=2m) with respect to elapsed time 50
Fig. 4-16. Outside temperature(X=8m) with respect to elapsed time 51
Fig. 4-17. Inside and outside temperature(X=2m) with respect to elapsed time 51
Fig. 4-18. Inside and outside temperature(X=8m) with respect to elapsed time 52
Fig. 4-19. All temperature with respect to elapsed time 52