{"id":1686,"date":"2019-12-06T18:15:49","date_gmt":"2019-12-07T02:15:49","guid":{"rendered":"https:\/\/evhnews.com\/?p=1686"},"modified":"2019-12-21T18:17:24","modified_gmt":"2019-12-22T02:17:24","slug":"rolls-royce-e-robert-allan-presentano-il-primo-motoscafo-al-mondo-alimentato-a-gnl-per-acque-poco-profonde","status":"publish","type":"post","link":"https:\/\/evhnews.com\/it\/2019\/12\/06\/rolls-royce-e-robert-allan-presentano-il-primo-motoscafo-al-mondo-alimentato-a-gnl-per-acque-poco-profonde\/","title":{"rendered":"Rolls-Royce and Robert Allan Present The World\u2019s First LNG-Powered Shallow-Water Push Boat"},"content":{"rendered":"

\u00a0<\/em><\/span><\/p>\n

Rolls-Royce e Robert Allan presentano il primo battello a spinta in acque poco profonde alimentato a GNL Credito d'immagine: Rolls-Royce<\/em><\/p>\n


\nRolls-Royce and Robert Allan Present The World\u2019s First LNG-Powered Shallow-Water Push Boat<\/strong><\/p>\n

Barca a spinta RApide 2800-G per acque poco profonde con motori MTU a gas<\/p>\n

Rolls-Royce e i progettisti canadesi di imbarcazioni Robert Allan hanno sviluppato il primo battello a spinta per acque poco profonde al mondo alimentato da motori a gas naturale LNG. In occasione dell'International Workboat Show di New Orleans, la societ\u00e0 di classificazione DNV GL ha dato la sua \"Approvazione di principio\" al nuovo progetto. Alimentato da due motori a gas naturale MTU 8V4000M55RN di Rolls-Royce e progettato per l'uso nelle vie d'acqua interne, il battello a spinta \u00e8 pi\u00f9 economico da gestire e produce meno inquinanti e gas di scarico dannosi per il clima rispetto alle imbarcazioni con sistemi di propulsione convenzionali.<\/p>\n

\"Rolls-Royce<\/p>\n

\"Rolls-Royce<\/p>\n

\"Rolls-Royce<\/p>\n

Rolls-Royce e Robert Allan presentano il primo battello a spinta in acque poco profonde alimentato a GNL Credito d'immagine: Rolls-Royce<\/em><\/em><\/span><\/p>\n

 <\/p>\n

Rolls-Royce e Robert Allan hanno collaborato alla progettazione di questo battello a spinta alimentato a gas per acque poco profonde, basato sul collaudato progetto Robert Allan RApide 2800-Z2, gi\u00e0 utilizzato su alcune imbarcazioni alimentate a diesel sul Rio delle Amazzoni. Il design dell'imbarcazione \u00e8 stato appositamente modificato per il GNL per ospitare i due motori MTU 8V4000M55RN da 746 kW (completi di sistemi di controllo delle emissioni IMO Tier III) e l'intero sistema di alimentazione del GNL - anch'esso disponibile da Rolls-Royce - nonch\u00e9 i sistemi di controllo e sicurezza del gas e il sistema di controllo generale dell'imbarcazione.<\/p>\n

Lo scafo, esternamente invariato, fu ridisegnato per ospitare il serbatoio del gas da 70 metri cubi e i consueti accessori del motore, e per offrire all'equipaggio un ambiente di lavoro piacevole. Le cabine equipaggio inferiori, il salone e la cucina furono spostati su un livello e la tuga fu ampliata.<\/p>\n

L'Approval in Principle di DNV GL certifica che il progetto \u00e8 conforme alle regole di classificazione delle navi marittime della societ\u00e0 di classificazione e alle norme di sicurezza internazionali per le navi che utilizzano gas o altri combustibili a basso punto di infiammabilit\u00e0. Si tratta di una valutazione indipendente del concetto di progetto all'interno di un determinato quadro di riferimento e afferma che il progetto \u00e8 fondamentalmente fattibile e non ci sono problemi fondamentali di implementazione.<\/p>\n

Il GNL (gas naturale liquefatto) \u00e8 un combustibile che si sta affermando negli ambienti marittimi, consentendo agli operatori di ridurre le emissioni dannose per l'ambiente e il clima. I motori a GNL non producono particolato, emettono una quantit\u00e0 di NOx significativamente inferiore rispetto ai motori diesel e sono complessivamente pi\u00f9 rispettosi del clima. DNV GL prevede che entro il 2050 il gas naturale coprir\u00e0 tra il 40 e l'80 % di tutti i requisiti di potenza di propulsione delle navi. Inoltre, il gas, laddove disponibile, offre costi di gestione inferiori.<\/p>\n

Stefan M\u00fcller, che dirige il Marine & Naval Application Center presso la business unit Power Systems di Rolls-Royce, ritiene che l'uso di motori a gas puro ad alta velocit\u00e0 come la Serie 4000 di MTU offra un grande potenziale nei porti, nelle applicazioni costiere e nei trasporti interni. Per sbloccare questo potenziale, sar\u00e0 necessaria un'infrastruttura di approvvigionamento di carburante affidabile.<\/p>\n

\"L'interesse del mercato per lo studio di progettazione di Robert Allan e Rolls-Royce conferma che la decisione di sviluppare un motore a gas a combustione magra era giusta. Abbiamo trovato operatori in tutto il mondo che hanno riscontrato i vantaggi in termini di costi operativi oltre alla riduzione dell'impatto ambientale\", ha dichiarato Christof von Bank, Direttore Vendite, Marine & Offshore Americas.<\/p>\n

Rolls-Royce consegner\u00e0 a breve i suoi primi motori a gas MTU 8V 4000 M55N all'azienda municipale Stadtwerke Konstanz, nel sud della Germania. Questi saranno utilizzati per alimentare il primo traghetto per auto alimentato a GNL sul Lago di Costanza.<\/p>\n

Dati tecnici del motoscafo a spinta RApide 2800-G per acque basse:<\/strong><\/p>\n

Motori: 2 x MTU 8V 4000 M55RN, IMO Tier III
\nPotenza erogata: 746 kW ciascuno
\nLunghezza totale: 28 m
\nFascio: 10,05 m
\nSuperficie: 3.2 m
\nPescaggio: 2,5 m
\nCapacit\u00e0 del serbatoio GNL: 70 m\u00b3<\/p>\n

\"EVH<\/p>","protected":false},"excerpt":{"rendered":"

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