{"id":4268,"date":"2016-01-19T09:09:26","date_gmt":"2016-01-19T09:09:26","guid":{"rendered":"http:\/\/www.oilnewskenya.com\/?p=4268"},"modified":"2017-01-26T09:53:41","modified_gmt":"2017-01-26T09:53:41","slug":"blue-amazon-the-lng-ship-of-the-future","status":"publish","type":"post","link":"https:\/\/www.oilnewskenya.com\/index.php\/blue-amazon-the-lng-ship-of-the-future\/","title":{"rendered":"Blue Amazon: the LNG ship of the future"},"content":{"rendered":"

Original article by BG Group<\/p>\n

On the shores of the Amaz\u00f4nia Azul \u2013 or Blue Amazon, the part of the Atlantic off the coast of Brazil \u2013 the LNG ship of the future is being designed. The shape of an LNG ship\u2019s hull and cargo tanks are critical for the vessel to sail with minimal resistance through water. This is important as fuel use is the biggest cost for ship operators, and reducing fuel use significantly lowers emissions.<\/p>\n

BG Group has been leading a new project that has pushed the limits of LNG ship designs, which are already highly efficient.<\/p>\n

\u201cThe idea was to achieve the highest level of efficiency by trying to improve upon the best designs currently being built at the shipyards that BG partners with,\u201d says Michael Davison, BG Group\u2019s project development manager for ship design and construction, who has been overseeing the endeavour.<\/p>\n

\u201cOur task was to try and independently create a new, highly efficient hull form and general arrangement for an LNG ship.\u201d<\/p>\n

Rethinking design<\/strong><\/p>\n

The project is rethinking the design from scratch to develop the low-resistance hull form.<\/p>\n

The team took a completely new approach, one which was not restricted to following the industry-standard shape and arrangement of the ship\u2019s LNG cargo tanks.<\/p>\n

\u201cThat meant we could be a bit creative with the shape of the hull and make it more effective in both calm water and in waves,\u201d Davison says.<\/p>\n

The process also considered how the design would affect vessel construction. A central concept of the project is to ensure that the new design is practical and cost-effective to build.<\/p>\n

Over 18 months, the Blue Amazon team ran many iterations of computer modelling, testing, and improvements to develop the best design.<\/p>\n

\u201cWe\u2019ve carried out over two thousand numerical computations on very powerful networked computers to create models that understand how the new hull would perform,\u201d says Michael Davison.<\/p>\n

This was an advantage over what shipyards could do, he adds. \u201cShipyard design teams are typically constrained in this respect by time and by physical resources including specialist software licences and computing power.\u201d<\/p>\n

The project team used software specially created for the purpose by partner HydrOcean based on an advanced computation fluid dynamics process (known as RANSE) which can simulate very complex turbulent flow conditions in various operating environments.<\/p>\n

The computer-generated ship design is a visibly different ship shape, notably at the bow.<\/p>\n

The project team then built a scale model and tested it at facilities at Instituto de Pesquisas Tecnol\u00f3gicas in S\u00e3o Paulo in Brazil. The team modelled sailing in three speeds, two LNG loading conditions, and various wave conditions.<\/p>\n

Fuel savings<\/strong><\/p>\n

The final vessel design is expected to require less propulsion energy than the current designs, saving fuel and corresponding emissions by 3\u20135%.<\/p>\n

Davison says: \u201cThree to five percent savings may not sound much, but if you\u2019ve got a large fleet of say 30, 40 ships, each burning around 80 tonnes of fuel a day, you can imagine the emissions and commercial advantage of such savings. Over a year, a fleet of such ships would be saving approximately 32,000 tonnes of LNG fuel.\u201d<\/p>\n

BG Group recently discussed the design with Korean shipyards and received their feedback.<\/p>\n

\u201cThe project teams \u2013 considering they\u2019re not ship builders \u2013 have created a good design to start challenging the yards,\u201d says Davison.<\/p>\n

The team is now refining the design as it moves into the final stage of optimisation. The final design is expected to emerge in March 2016, and the team looks forward to industrialising it thereafter for the next wave of ship-building orders.<\/p>\n

BG Technology Group in Brazil facilitated the project, which was carried out in collaboration with the Classification Society Bureau Veritas (BV); BV\u2019s technology partner HydrOcean; GTT, which develops and licenses LNG tanks; Instituto de Pesquisas Tecnol\u00f3gicas (S\u00e3o Paulo) and Universidade Federal do Rio de Janeiro.<\/p>\n

\"Blue<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

Original article by BG Group On the shores of the Amaz\u00f4nia Azul \u2013 or Blue Amazon, the part of the Atlantic off the coast of Brazil \u2013 the LNG ship … Read More<\/a><\/p>\n","protected":false},"author":24,"featured_media":4270,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2},"jetpack_post_was_ever_published":false},"categories":[1],"tags":[3936,236,3935,350,3721,3937,3932,3931,3933,3934,1428,3930,2499],"class_list":["post-4268","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized","tag-amazonia-azul","tag-bg-group","tag-blue-amazon","tag-brazil","tag-design","tag-hull-forms","tag-hydrocean","tag-innovation","tag-instituto-de-pesquisas-tecnologicas","tag-instituto-de-pesquisas-tecnologicas-in-sao-paulo","tag-lng","tag-ships","tag-technology","entry"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"https:\/\/i0.wp.com\/www.oilnewskenya.com\/wp-content\/uploads\/2016\/01\/Traditional_hull_form.jpg?fit=370%2C251&ssl=1","jetpack_shortlink":"https:\/\/wp.me\/p5JWkQ-16Q","jetpack-related-posts":[{"id":2434,"url":"https:\/\/www.oilnewskenya.com\/index.php\/bg-group-agrees-sale-and-charter-of-lng-vessels\/","url_meta":{"origin":4268,"position":0},"title":"BG Group agrees sale and charter of LNG vessels","author":"Samuel Kamau Mbote","date":"December 23, 2014","format":false,"excerpt":"[twitter-follow screen_name='oilnewskenya'] BG Group has entered into an agreement with GasLog Ltd for them to acquire two modern tri-fuel diesel electric (TFDE) LNG carriers for proceeds of $460 million. BG Group will charter back the two vessels, theMethane Becki Anne\u00a0and\u00a0Methane Julia Louise, for nine and eleven years with further options\u2026","rel":"","context":"In "Top News"","block_context":{"text":"Top News","link":"https:\/\/www.oilnewskenya.com\/index.php\/category\/top-news\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.oilnewskenya.com\/wp-content\/uploads\/2014\/12\/methane_becki_anne.jpg?fit=800%2C600&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.oilnewskenya.com\/wp-content\/uploads\/2014\/12\/methane_becki_anne.jpg?fit=800%2C600&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.oilnewskenya.com\/wp-content\/uploads\/2014\/12\/methane_becki_anne.jpg?fit=800%2C600&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.oilnewskenya.com\/wp-content\/uploads\/2014\/12\/methane_becki_anne.jpg?fit=800%2C600&ssl=1&resize=700%2C400 2x"},"classes":[]},{"id":1674,"url":"https:\/\/www.oilnewskenya.com\/index.php\/tanzania-mzia-well-test-supports-potential-hub-development-bg-group\/","url_meta":{"origin":4268,"position":1},"title":"Tanzania Mzia well test supports potential hub development – BG Group","author":"Samuel Kamau Mbote","date":"August 27, 2014","format":false,"excerpt":"[twitter-follow screen_name='oilnewskenya'] BG Group plc \u00a0has announced that results from a recently completed second drill-stem test (DST) on the Mzia discovery in Block 1, offshore southern Tanzania, provided further support for a hub development to supply a potential onshore LNG project. 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