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Teaching GuideTerm Higher Technical University College of Nautical Science and Naval Engines |
| Mestrado Universitario en Enxeñaría Mariña |
 Subjects |
| Operation and Design of LNGs |
| Contents |
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| Identifying Data | 2023/24 | |||||||||||||
| Subject | Operation and Design of LNGs | Code | 631480210 | |||||||||||
| Study programme |
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| Descriptors | Cycle | Period | Year | Type | Credits | |||||||||
| Official Master's Degree | 2nd four-month period |
First | Optional | 3 | ||||||||||
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| Topic | Sub-topic |
| CAP.1- LIQUEFIED NATURAL GAS AND PROPERTIES | - Introduction. - Processing of Liquefied Natural Gas - Design and Containment of cargo |
| CAP.2- SYSTEM OF LINES RELATED TO THE CARGO | - Liquid Line. - Vapour Line. - Reaching/cooling line. - Inert Gas Line. - Gas line to the machine. - Venting line. - Supports, insulation and joints of the load lines. |
| CAP.3- EQUIPMENT OF CARGO TANKS. | - General description. - Cargo Tank Pumps. |
| CAP.4- GAS PLANT EQUIPMENT | - Low Duty Compressors. - High Duty Compressors. - Gas Seal System. - Lubrication system. - Natural Gas Steam Flow Control System. - Low Performance Compressors. - Methane heaters. - LNG vaporizer. - LNG Forcing Vaporizer. - Steam separator. - Nitrogen Production System. - Inert Gas/Dry Air Plant. - Valve system. |
| CAP.5- CARGO CONTROL ROOM AND ENGINE CONTROL ROOM | - General description. - Description of the I.A.S Integrated Automatic System. - Gas Management and Control System. - Fixed Gas Detection Systems. - Tunnel of Boil-off Pipes in the Machine. - Emergency Stop System (ESD) and Protection of Cargo Tanks. - Ballast System. |
| CAP.6-AUXILIARY SYSTEMS RELATED TO CARGO AND DECK | - General description. - Nitrogen Pressurization and Control System of the Primary and Secondary Isolation Spaces. - System for Measuring the Level of Liquefied Natural Gas in Cargo Tanks. - Cofferdams Heating System. |
| CAP.7- OPERATIONS RELATED TO CARGO | Pressurization of Primary and Secondary Isolation Spaces. Operation after a Dock Stay. - Initial Insulation Space Inerting - Drying of cargo tanks. - Inerting cargo tanks. - Gassing-up Cargo Tanks. - Cooling down Cargo Tanks. Operations Prior to the Entry of the Vessel in Dock. - Warming up Cargo Tanks. - Inert Cargo Tanks. - Aerating |
| CAP. 8-STEAM GENERATOR | - Operation and control modes |
| CAP.9-RELIQUEFACTION | - Introduction and generalities - Boi-Off and its management - Reliquefaction plants operating with Brayton Cycle - Boil off cycle and N2 cycle - Principles of regulation and control. - Equipment - Installations implemented on board - Reliquefaction plants operating with cascade Rankine cycles - Reliquefaction plants operating with Rankine cycles in cascade with mixed refrigerant. - Other reliquefaction plants - Facilities plans |
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