{"refrec":{"BRefID":404501,"RR":"<b>Delvaeye, J.</b> (2020). Air pollution by ships in close proximity to dense populated areas. MSc Thesis. Universiteit Gent, Faculteit Ingenieurswetenschappen en Architectuur: Gent. 153 pp.","BEntID":402292,"PublicFlag":1,"CheckedFlag":0,"wosflag":0,"vabbflag":0,"RefStringPartII":". MSc Thesis. Universiteit Gent, Faculteit Ingenieurswetenschappen en Architectuur: Gent.  153 pp.","DocTypID":5,"DocType":"Book/Monograph","MarineFlag":0,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Delvaeye, J.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Delvaeye, J.","Englishabstract":"<span lang=\"EN-US\" dir=\"ltr\">The maritime shipping sector is responsible for 2.6% of the global CO2 emissions, which are assumed to increase by 150-250% in business-as-usual scenarios. This critical scenario has boosted research and investment regarding technological measures to reduce harmful emissions. This dissertation investigates the problem of emissions caused by a ship and presents the results of a case study performed on a bulk carrier sailing along the channel Ghent-Terneuzen. In addition, the air pollutants over a specific part of this trajectory were compared with a similar situation in deep and unrestricted water. The present study is based on a model developed with a reversed-calculation procedure of the propeller engine interaction. Results show a significant increase when sailing in shallow and confined water, with ratios of 1.89 for CO2 and SO2 emissions and even higher for others. Moreover, the ship’s efficiency takes a serious drop as well, going from an average of 21.3% in deep water to an average of 16-18% in shallow water, with a minimum of 11.7%. Additionally, the effect of using HFO instead of MDO resulted in a slightly higher efficiency, while also emitting more harmful pollutants.</span>","AbstractOtherLang":null,"BibLvlCode":"M","StandardTitle":"Air pollution by ships in close proximity to dense populated areas","OrigTitleLangCode":"en","OrigTitleLangCodeExtended":"eng","OrigTitleLangID":15,"DateLastModified":{"date":"2024-12-10 01:33:01.897972","timezone_type":1,"timezone":"+01:00"},"UserAccessRight":null,"UserAccID":null,"AuthorKeywords":"Propeller-engine 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