[보고서]LNG FSRU 구조물-계류시스템 설계핵심 기술 개발

성홍근

보고서 정보

주관연구기관

한국해양과학기술원
Korea Institute of Ocean Science ＆ Technology

연구책임자

성홍근

참여연구자

조석규 , 김용수 , 김승혁 , 최영달 , 구수만 , 장래대 , 유병석 , 최항순 , 김동수

보고서유형

최종보고서

발행국가

대한민국

언어

한국어

발행년월

2013-09

과제시작연도

2012

주관부처

산업통상자원부
Ministry of Trade, Industry and Energy

연구관리전문기관

한국산업기술평가관리원
Korea Evaluation Institute of Industrial Technology

등록번호

TRKO201700001219

과제고유번호

1415125407

사업명

그린카등수송시스템산업원천기술개발

DB 구축일자

2017-09-20

키워드

해상 LNG터미널.LNG 운반선.선체구조물.계류시스템.적하역시스템.화물창 내부유동.연성거동 해석.LNGC.

표 LNG FSRU 개념도
표 SBM-IMODCO 개념설계(New-built FSRU)
표 SBM-IMODCO 개념설계(Converted FSRU)
표 Cabrillo Port의 위치(남부 California 연안)
표 Broadwater Energy사 개념설계
표 Broadwater Energy사 FSRU 의 설치해역
표 Doris Engineering사 개념설계
표 Mustang 사의 LNG FSRU 개념설계
표 해외 주요국의 FSRU 계류 및 적하역시스템 관련 기술개발 현황
표 국내 기술개발 현황
표 SBM사의 conventional buoy mooring 개념
표 SBM사의 weathervaning quay mooring(WQM)
표 SBM사의 fixed-tower SPM
표 SBM사의 SYMO-Tower SPM
표 SBM의 Disconnectable Riser Turret Mooring 개념
표 An external turret moored converted vessel FSRU
표 APL 사의 External Turret Production system
표 A FSRU concept with external turret mooring for Cabrillo Deepwater Port
표 Submerged Turret Loading 계류 및 라이저 시스템(STP; Submerged Turret Production)
표 STL 개념도
표 STL Moored Nordic Apollo Banff -개념도
표 STL Moored Nordic Apollo Banff - 실해상
표 Principal Layout of LNGRV with STL buoy and re-gas equipment
표 Summary of applicable mooring systems for FSRU
표 LNG 해상 적하역작업(Side-by-Side)과 적하역 장치
표 Side-by-side with loading arms
표 SBM사 Tandem with SYMO (Soft Yoke Mooring and Offloading) and flexible hoses
표 Submerged Turret Loading 계류 시스템
표 Environmental condition for FSRU test design: Wave, current and wind
표 Particulars of FSRU test design
표 Surface modeling of FSRU test design
표 Principal dimensions and parameters of FSRU test design
표 General Arrangement of FSRU
표 Tank Capacities of FSRU
표 Hull Modelling - NAPA
표 Lightweight of FSRU
표 Top-side Layout of FSRU
표 Ballast condition
표 HOMO. Loaded condition at Scantling draft
표 해역 이용 관련 국내 법령 정리
표 공유수면관리법: 제5조 (점ㆍ사용허가)
표 공유수면관리법 시행령: 제3조 (점ㆍ사용허가의 신청)
표 공유수면관리법 시행규칙: 제2조 (허가신청 등)
표 해양환경관리법: 제84조 (해역이용협의)
표 해양환경관리법: 제84조 (해역이용영향평가)
표 해양환경관리법: 제91조 (의견통보 등)
표 해양환경관리법: 제95조 (해양환경영향조사 등)
표 중점검토가 요구되는 해양환경보호지역 또는 규제지역(해역이용협의 등에 관한 업무처리규정[훈령] 제6조제2호 관련)
표 해사채취허가 및 해역이용협의 절차
표 FSRU 해상 시운전 관련 국내 해역 점ㆍ사용 관련 허가 절차
표 Comparison of proposed concepts of FSRU sea trial test site and facilities
표 A proposed concept of FSRU sea trial test site and facility by using fixed platform for temporary mooring
표 A proposed concept of FSRU sea trial test site and facility by using a single point mooring such as internal or external turret
표 A proposed concept of FSRU sea trial test site and facility by using a prototype installation area and facilities of FSRU
표 Pre-requisites and efficient methods of position keeping with anticipated technical problems and their solutions for proposed concepts of FSRU sea trial test site and facilities
표 Particulars of the model ship of FSRU(270k)
표 Particulars of the model ship of LNGC(138k)
표 Lines of FSRU
표 Lines of LNGC
표 Side-by-side moored FSRU and LNGC of experimental set-up in Ocean Engineering Basin of KORDI
표 Drawings of LNG cargo tank
표 LNG cargo model
표 Configuration of LNG cargo model
표 Loading conditions
표 Natural period of sloshing
표 Conceptual sketch of turret model
표 Position of turret installation
표 Realization of turret model
표 Chain for mooring lines
표 Configuration of mooring system
표 Distance from turret center to anchor
표 Static pull-out test
표 Turret moored FSRU
표 Operation criteria for LNG transfer (prototype scale)
표 Fender model
표 Spring constant of mooring rope and spring
표 Mooring configuration
표 Mooring model
표 Asgard field in Norway sea
표 Kristin field layout in Asgard B
표 Layout of Asgard B Lazy-Wave Gas export configuration
표 Mid water arch in Asgard B
표 Dimensions of MWA in Asgard B
표 Layout of FSRU Lazy-Wave Gas export configuration
표 MWA model of FSRU
표 Delivery pipe model
표 Mooring lines, delivery pipes and MWA
표 Sample of thruster system
표 Azimuth thrusters located in aft-part of FSRU
표 Maximum yaw angle of FSRU in regular waves
표 Maximum yaw angle of SbS moored FSRU in regular waves
표 Weathervaning of SbS moored FSRU and LNGC
표 Yaw of FSRU in irregular wave (Hs 11.9 m, Tp 14.2 s)
표 Yaw of FSRU with DP in irregular wave (Hs 11.9 m, Tp 14.2 s)
표 Yaw of SbS moored FSRU in irregular wave (Hs 4 m, Tp 12.5 s)
표 Yaw of SbS moored FSRU with DP in irregular wave (Hs 4 m, Tp 12.5 s)
표 Yaw of SbS moored FSRU in combined env. (Hs 4 m, Tp 12.5 s, Vc 2 m/s)
표 Yaw of SbS moored FSRU with DPS in combined env. (Hs 4 m, Tp 12.5 s, Vc 2 m/s)
표 Photo of berthing experiment between FSRU and LNGC in calm water (Vs=1.0 knot)
표 Roll responses of FSRU(left) and LNGC(right) with different berthing speed
표 Comparison of roll(left) and sway(right) of LNGC with different berthing speed
표 Comparison of maximum roll and sway responses of LNGC with different berthing and deberthing speed
표 Comparison of horizontal forces(thrust) acting on LNGC with different speed berthing speed
표 Comparison of sway and horizontal forces(thrust) acting on LNGC with different spring stiffness
표 Motion responses of FSRU(left) and LNGC(right) under the regular wave conditions (Heading 180 deg, H=3.0 m)
표 Photo of berthing experiment between FSRU and LNGC in regular wave (Vs=1.0 knot, H=3.0 m, ω=0.70rad/s)
표 Motion and horizontal forces of FSRU(left) and LNGC(right) at berthing operation (Heading 180 deg, ω=0.70 rad/s, H=3.0 m, Vs=1.0 knot)
표 Comparison of average motion response of FSRU(left) and LNGC(right) during several time intervals
표 Sway and yaw motions of FSRU during berthing (Heading 180 deg, H=3.0 m, Vs=1.0 knot)
표 Comparison of maximum horizontal forces acting on FSRU(left) and LNGC(right) during berthing and deberthing in waves (Heading 180 deg, H=3m)
표 The effect of spring on motion of LNGC during berthing (Heading 180 deg, ω=0.32rad/s, H=3.0m, Vs=1.0 knot)
표 Photo of berthing experiment between FSRU and LNGC in irregular wave (Vs=1.0 knot, Hs=3.0 m, Tp=11.0 sec)
표 Comparison of vertical motion response of FSRU and LNGC during berthing(left) and deberthing(right) in irregular seas (Heading 180 deg, Hs=3.0 m, Vs=1.0 knot)
표 Comparison of planar motion responses of FSRU and LNGC during berthing(left) and deberthing(right) in irregular seas (Heading 180 deg, Hs=3.0 m, Vs=1.0 knot)
표 Comparison of motion RMS of FSRU(left) and LNGC(right) during several time intervals
표 Roll mean of FSRU and LNGC during berthing(left) and deberthing(right) in irregular waves
표 Comparison of sway time signals of FSRU during berthing(upper) and deberthing(lower) in irregular waves
표 Comparison of planar motion responses of FSRU and LNGC during berthing(left) and deberthing(right) in irregular seas (Heading 180 deg, Hs=3.0 m, Vs=1.0 knot)
표 Comparison of force time signals of FSRU during berthing in irregular waves
표 Berthing experiment of turret moored FSRU and LNGC without heading control action (Vs=3.0 knot)
표 Motion responses of FSRU during berthing and deberthing in calm water without heading control (Vs=3.0 knot)
표 Motion responses of LNGC during berthing and deberthing in calm water without heading control (Vs=3.0 knot)
표 Motion responses of FSRU during berthing and deberthing in calm water with heading control (Vs=3.0 knot)
표 Motion responses of LNGC during berthing and deberthing in calm water with heading control (Vs=3.0 knot)
표 Several motion responses of FSRU during berthing in calm water with various heading control condition (Vs=1.0 knot)
표 Sway and drift force(similitude of thrust) in surge and sway with berthing speed by CPMC in calm water with various heading control condition (Vs=1.0 knot)
표 Several motion responses of FSRU during deberthing in calm water with various heading control condition (Vs=1.0 knot)
표 Sway and drift force(similitude of thrust) in surge and sway with deberthing speed by CPMC in calm water with various heading control condition (Vs=1.0 knot)
표 Mtion responses of FSRU during berthing in irregular wave with various heading control condition (Vs=3.0 knot)
표 Mtion responses of LNGC during berthing in irregular wave with various heading control condition (Vs=3.0 knot)
표 Drift force(similitude of thrust) in surge and sway with deberthing speed by CPMC in irregular wave (Vs=3.0 knot)
표 Development of FSRU and mooring system analysis program
표 Conceptual view of developed program for coupled analysis of floating body and mooring system
표 Main functions of developed program
표 Iteration procedure for nonlinear analysis of mooring lines
표 Conceptual sketch of wind or current forces at floating body
표 Morison type drag and friction forces at mooring lines
표 Definition of current profile for mooring lines
표 Numerical grid system for example structure in wave, wind and current
표 Analysis condition of example structure in wave, wind and current
표 Comparison of body motion due to wave, wind and current
표 Example of user-defined forces (compensation of body forces due to mooring weight)
표 Comparison of heave motion without & with weight compensation
표 Comparison of pitch motion without & with weight compensation
표 Automatic generation of drag force input data for mooring lines
표 Modified equation of motion including link effect of multi-body system
표 Numerical grid system for two body analysis (FSRU+mooring lines+LNGC)
표 Main particulars and analysis condition of two body system
표 Layout of link system
표 Configuration of link system
표 Relative surge motion at loading arm
표 Relative sway motion at loading arm
표 Relative heave motion at loading arm
표 Sway motion at fairlead
표 Mooring line tension at element 360
표 Automatic generator of mooring grid and body-fairlead interface
표 Example structure for line breaking simulation
표 Example of anchor systems
표 Concept of suction anchor
표 Suction Anchor(left) 및 2년 경과 후 제거한 Suction Anchor(right)
표 Stress on perimeter of suction anchor (a) at rest and (b) at horizontally loaded state
표 Assumed soil pressure distribution under lateral loads
표 Location of sampling site(left) and sample (right)
표 Particle size analysis of sample
표 Particle size distributions of the samples
표 Basic property of seabed soils
표 Input parameters for seabed model
표 Results of Bender Element test
표 Young’s modulus from BE test
표 Schematic diagram of Centrifuge Test
표 Centrifuge Test Facility at KAIST
표 Anchor model
표 Preparation of soil bed
표 Schematic diagram of the test set up
표 Testing equipment
표 Seonsors for Centrifuge Test
표 Bender Elements for Centrifuge
표 Images of a) before the test, b) after the test, c) deformation of the soil around the anchor, and d) measuring the deformation
표 Result of Test 1
표 Photograph of Test 2
표 Photograph of Test 3
표 Result of Test 2
표 Result of Test 3
표 Test results - Test 2 and Test 3
표 Test results - Test 1 and Test 2
표 Finite element mesh for seabed and suction anchor
표 Two different soil model – 9D and 14D
표 Analysis results depend on boundary effect
표 Number of elements for various case
표 Comparison with various number of elements
표 Procedure for FEM analysis
표 Ultimate Horizontal capacities by theoretical method and numerical analysis results
표 Results of Test 1 and Numerical analysis
표 Results of Test 2, test 3 and Numerical analysis
표 Ultimate horizontal capacity with loading depth
표 Rotation and translation of anchor
표 Rotation angle and center of rotation
표 Four sections of anchor and location of three different loading points
표 Reaction force distribution at a loading point of 0m
표 Reaction force distribution at a loading point of 9m
표 Reaction force distribution at a loading point of 14m
표 Total Contact Force for various loading points
표 Deformed shape for inclined load - 15°and 60°
표 Inclined load capacity of three different loading points
표 Inclined load capacity and normalized value
표 Inclined load capacity of various loading points and inclined angle
표 Normalized inclined load capacity
표 Inclined load capacity for various loading depth
표 Berthing trajectory
표 Sway wave mean drift force acting on LNGC with different separation distances
표 Numerical modelling of tug operation
표 Horizontal force and sway of LNGC during berthing operation with different berthing speed and spring stiffness
표 Comparison of horizontal force acting on LNGC during berthing operation with different berthing speed
표 Berthing simualtion in calm water (3 knots, 2 tug boats)
표 Comparison of horizontal force acting on LNGC during berthing with different PD gains for tugs
표 Berthing simulation with different numbers of tugs
표 Horizontal force and sway of LNGC during berthing with different wave frequencies
표 Comparison of horizontal forces(thrust) acting on LNGC during berthing between numerical simulations and experiments
표 Comparison of motion responses of LNGC during berthing in regular wave (H=3m, ω=0.50 rad/s)
표 Comparison of motion responses of LNGC during berthing in regular wave (H=3m, ω=0.70 rad/s)
표 Berthing simulations in regular wave with two tugs
표 Berthing simulations in irregular wave with two tugs
표 Roll responses of LNGC in berthing simulations in irregular waves
표 Schematic view of experiments for two bodies
표 Top and Front views of the experimental model
표 Wave steepness of the incident regular waves
표 Natural frequencies of roll and sloshing motions
표 Experimental conditions
표 Experimental results - One body, only roll motion for finite liquid region
표 Enlarged graph near  
표 Experimental results - One body, only roll motion for intermediate liquid region
표 A snap shot of the experiment -   , 20% filled
표 A snap shot of the experiment -   , 10% filled
표 Sway transfer function comparison of 0% filled case
표 Sway transfer function comparison of 50% filled case
표 Sway & Roll transfer function of 0% filled case
표 Sway & Roll transfer function of 30% filled case
표 Sway & Roll transfer function of 50% filled case
표 Model A Sway 0%-0%
표 Model B Sway 0%-0%
표 Model A Sway 50%-50%
표 Model B Sway 50%-50%
표 Model A Sway 50%-30%
표 Model B Sway 50%-30%
표 Comparison of sway motion between 1DoF & 2DoF experiments for two bodies
표 Comparison of roll motion between 1DoF & 2DoF experiments for 0%-0% case
표 Comparison of roll motion between 1DoF & 2DoF experiments for 50%-50% case
표 Roll motion for 0%-0%; frequency based graph(Left), wave length based graph(Right)
표 Added mass inertia and wave damping coefficients
표 Roll transfer function for the empty case
표 Modal damping coefficients
표 Roll transfer function for the 50% filled case
표 Roll magnitude & βi using Model 1 method - ω=8.1rad/s, 50% filled case
표 Roll magnitude & βi using Model 2 method - ω=8.6rad/s, 50% filled case
표 Roll transfer function for the 40% filled case
표 Roll transfer function for the 30% filled case
표 Roll transfer function for the 20% filled case
표 Roll transfer function for the 10% filled case
표 Roll magnitude & βi using Model 2 method - ω=7.0rad/s, 20% filled case
표 Influence of modal damping for the 50% filled case
표 Structure of MAST solver
표 Flow of MAST
표 Model browser of MAST
표 Roll decay of FSRU
표 RAOs of FSRU in head sea (180 deg)
표 RAOs of FSRU in bow quartering sea (135 deg)
표 RAOs of FSRU in head sea (90 deg)
표 Global morions in irregular sea (Hs 4 m, Tp 12 s, 180 deg)
표 Global morions in irregular sea (Hs 12 m, Tp 14 s, 180 deg)
표 Significant height of motion in irregular sea (Hs 4 m, Tp 12 s, 135 deg)
표 Significant height of motion in irregular sea (Hs 4 m, Tp 12 s, 905 deg)
표 Restoring curve
표 Surge free decay
표 Roll RAO including sloshing
표 Force and moment of pendulum and multi-modal model (1.00 )
표 Force and moment of pendulum and CFD (1.00 )
표 Force and moment of pendulum and CFD (1.05 )

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