Improvement of the cargo fleet vessels power plants ecological indexes by development of the exhaust gas systems

• Autorzy: Kuznetsov Valerii , Dymo Boris , Kuznetsova Svitlana , Bondarenko Mykola , Voloshyn Andrii

Identyfikatory

DOI

10.2478/pomr-2021-0009

• Języki publikacji: EN

Abstrakty

EN

Modernisation of the power plants of cargo fleet vessels to satisfy the requirements set out by the International Maritime Organisation is an urgent scientific and technical problem. The article presents the results of developing a solution to this problem that focuses on the exhaust gas system. We propose the use of ejection nozzles as part of this system. It was found that when the ejection coefficient in these nozzles is n = 3, it is possible to exclude the use of SCR reactors, thus reducing the operating costs of the marine power plant. Using a mathematical modelling method, the efficiency of operation of six types of nozzle as part of the exhaust gas system was investigated, and a constructive layout was proposed for the gas ducts and inlet louvres for supplying ambient air. To increase the efficiency of the proposed system, we consider several options for intensifying heat transfer processes through the use of dimple systems in the nozzles and nozzles with swirling flow. We found that these technical solutions would make it possible to further increase the efficiency of the systems by up to 19% abs.

Słowa kluczowe

EN

marine power plant; emissions; gas-air cooler; nozzle; intensification

• Wydawca: Gdańsk University of Technology, Faculty of Ocean Engineering & Ship Technology
• Czasopismo: Polish Maritime Research
• Rocznik: 2021
• Tom: nr 1
• Strony: 97--104
• Opis fizyczny: Bibliogr. 26 poz., rys., tab.

Twórcy

autor

Kuznetsov Valerii

• Admiral Makarov National University of Shipbuilding, Heroyiv Ukraine av. 9, 54025 Mykolaiv, Ukraine

autor

Dymo Boris

• Admiral Makarov National University of Shipbuilding, Heroyiv Ukraine av. 9, 54025 Mykolaiv, Ukraine

autor

Kuznetsova Svitlana

• Admiral Makarov National University of Shipbuilding, Heroyiv Ukraine av. 9, 54025 Mykolaiv, Ukraine

autor

Bondarenko Mykola

• Admiral Makarov National University of Shipbuilding, Heroyiv Ukraine av. 9, 54025 Mykolaiv, Ukraine

autor

Voloshyn Andrii

• State Research Design & Shipbuilding Centre, Heroyiv Ukraine av. 1E, 54025 Mykolaiv, Ukraine

Bibliografia

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Uwagi

Opracowanie rekordu ze środków MNiSW, umowa Nr 461252 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2021).