표제지
목차
Nomenclature 13
Abstract 15
제1장 서론 17
1.1. 연구 배경 17
1.2. 연구 목적 20
제2장 LNG bunkering의 개요 22
2.1. LNG bunkering 시장 규모 및 전망 22
2.2. LNG 특성 26
2.3. LNG bunkering의 기본 개념 28
2.4. LNG bunkering의 화재 및 폭발 위험성 32
제3장 LNG bunkering 누출사고 시나리오 선정 43
3.1. LNG bunkering 누출사고 시나리오 선정 배경 43
3.2. LNG bunkering 누출사고 시나리오 선정 51
제4장 LNG bunkering 누출지점에 따른 피해영향범위 분석 59
4.1. 배관길이에 따른 피해영향범위 59
4.2. 배관압력에 따른 피해영향범위 67
4.3. 대기안정도에 따른 피해영향범위 74
4.4. 대기 온도에 따른 피해영향범위 80
4.5. 풍속에 따른 피해영향범위 87
4.6. 누출공 크기에 따른 피해영향범위 95
4.7. 애월항에서의 피해영향범위 분석 101
4.7.1. 증기운 형성거리에 대한 피해영향분석 101
4.7.2. 과압에 의한 피해영향분석 105
4.7.3. 복사열에 의한 피해영향분석 109
4.7.4. 제주 애월항에 LNG 저장탱크 및 배관 설비 설치가능여부 분석 113
제5장 결과 및 고찰 116
참고문헌 121
Table 1. LNG bunkering ports and bunkering types by european countries. 24
Table 2. MARPOL Annex VI alowances for substances and enforcement time. 25
Table 3. Pollutants Index of energy compared to LNG(IPCC, EPA). 27
Table 4. Characteristics of LNG bunkering type. 28
Table 5. Properties of LNG. 32
Table 6. Hazard scenarios impacting the LNG supply source. 39
Table 7. Hazard scenarios impacting the LNG transfer system. 41
Table 8. Hazard scenarios impacting the gas-receiving vessel. 42
Table 9. Principal particulars of SM Jeju LNG 2. 43
Table 10. Fire expression level. 47
Table 11. Explosion expression level. 48
Table 12. Pasquill stability Ps.[이미지참조] 53
Table 13. Wind speed v in Aewol port, Jeju. 55
Table 14. Ambient temperature A.T in Aewol port, Jeju. 56
Table 15. Humidity in Aewol port, Jeju. 56
Table 16. Definition of hole size to simulation. 57
Table 17. Variables of scenario. 58
Table 18. Safety distance of High pressure gas pipe installation(KGS FU111). 115
Fig. 1. Year of delivery on LNG fueled Ships(DNV-GL, 2020). 19
Fig. 2. STS LNG bunkering 30
Fig. 3. TTS LNG bunkering 30
Fig. 4. Terminal to ship LNG bunkering 31
Fig. 5. Event tree analysis of natural gas leak scenario 35
Fig. 6. Example of jet fire case 35
Fig. 7. Example of flash fire case 36
Fig. 8. Example of boiling liquid expanding vapor... 36
Fig. 9. Map of Aewol port, Jeju 44
Fig. 10. SM Jeju LNG 2 44
Fig. 11. Jeju Aewol Port mapping results using Google Earth 52
Fig. 12. Flammable vapor cloud damage effect distance... 61
Fig. 13. Simulation result of flammable vapor cloud scenario... 61
Fig. 14. Overpressure damage effect distance according to... 63
Fig. 15. Simulation result of overpressure scenario(constant values... 63
Fig. 16. Thermal radiation damage effect distance according to... 66
Fig. 17. Simulation result of thermal radiation scenario(constant... 66
Fig. 18. Flammable vapor cloud damage effect distance according... 68
Fig. 19. Simulation result of flammable vapor cloud scenario... 68
Fig. 20. Overpressure damage effect distance according to the... 70
Fig. 21. Simulation result of overpressure scenario(constant values of... 70
Fig. 22. Thermal radiation damage effect distance according to... 73
Fig. 23. Simulation result of thermal radiation scenario(constant values... 73
Fig. 24. Flammable vapor cloud damage effect distance... 75
Fig. 25. Simulation result of flammable vapor cloud scenario... 75
Fig. 26. overpressure damage effect distance according to the... 77
Fig. 27. Simulation result of overpressure scenario result scenario... 77
Fig. 28. Thermal radiation damage effect distance according to... 79
Fig. 29. Simulation result of thermal radiation scenario(constant... 79
Fig. 30. Flammable vapor cloud damage effect distance to the... 81
Fig. 31. Simulation result of flammable vapor cloud scenario... 81
Fig. 32. Overpressure damage effect distance according to the... 83
Fig. 33. Overpressure damage effect distance according to the... 83
Fig. 34. Thermal radiation damage effect distance according to... 86
Fig. 35. Simulation result of thermal radiation scenario(constant... 86
Fig. 36. Flammable vapor cloud damage effect distance according... 88
Fig. 37. Simulation result of flammable vapor cloud scenario... 88
Fig. 38. Overpressure damage effect distance according to the... 91
Fig. 39. Simulation result of overpressure scenario (constant values... 91
Fig. 40. Thermal radiation damage effect distance according to... 94
Fig. 41. Simulation result of thermal radiation scenario (constant... 94
Fig. 42. Flammable vapor cloud damage effect distance... 96
Fig. 43. Simulation result of flammable vapor cloud scenario... 96
Fig. 44. Overpressure damage effect distance according to... 98
Fig. 45. Simulation result of overpressure scenario(constant values... 98
Fig. 46. Thermal radiation damage effect distance according to... 100
Fig. 47. Simulation result of thermal radiation scenario(constant... 100
Fig. 48. Simulation result of PL=800 m, Ps=F등급, v=1.1m/s when...[이미지참조] 103
Fig. 49. Simulation result of flammable vapor cloud damage effect... 104
Fig. 50. Simulation result of PL=800 m, Ps=F등급, v=1.1m/s when...[이미지참조] 107
Fig. 51. Simulation result of overpressure damage effect distance at... 108
Fig. 52. Simulation result of A.T=1 ℃, Pp=1,000 kPa, v=9.1m/s...[이미지참조] 111
Fig. 53. Simulation result of thermal radiation damage effect distance... 112