Fuel consumption and emission reduction of marine lean-burn gas engine employing a hybrid propulsion concept

Autor: Jesper Schramm, Sadi Tavakoli, Kamyar Maleki Bagherabadi, Eilif Pedersen

Publikováno v: International Journal of Engine Research. 23:1406-1416

As the emission legislation becomes further constraining, all manufacturers started to fulfill the future regulations about the prime movers in the market. Lean-burn gas engines operating under marine applications are also obligated to enhance the pe

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::e37a702ad2002538ce5fa781b9d08180
https://doi.org/10.1177/14680874211016398

Natural Gas Engine Thermodynamic Modeling Concerning Offshore Dynamic Condition

Autor: Sadi Tavakoli, Eilif Pedersen, Jesper Schramm

Publikováno v: Lecture Notes in Civil Engineering ISBN: 9789811546716

Modeling a complex engineering system, containing a series of energy-based components, is not a trivial task. Marine propulsion system which typically consists of engine, transmission and propeller, ought to be modeled simultaneously in order to pred

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::c4bd41fd271f4867c97aeff226dfebf2
https://doi.org/10.1007/978-981-15-4672-3_52

The importance of the engine-propeller model accuracy on the performance prediction of a marine propulsion system in the presence of waves

Autor: Simone Saettone, Bhushan Taskar, Sverre Steen, Sadi Tavakoli, Jesper Schramm, Michael Vincent Jensen, Poul Andersen, Eilif Pedersen

Publikováno v: Saettone, S, Tavakoli, S, Taskar, B, Jensen, M V, Pedersen, E, Schramm, J, Steen, S & Andersen, P 2020, ' The importance of the engine-propeller model accuracy on the performance prediction of a marine propulsion system in the presence of waves ', Applied Ocean Research, vol. 103, 102320 . https://doi.org/10.1016/j.apor.2020.102320

The shipping industry is the heart of international trading activities and the global economy. Maritime transport contributes to environmental pollution through the emission of greenhouse gases. New mandatory regulations aim at improving the environm

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::77260d63df22848b548b0fa14e33fbd8
https://orbit.dtu.dk/en/publications/1ecb46fc-8009-4125-b04d-d8fb3c845dfd

Modeling and analysis of performance and emissions of marine lean-burn natural gas engine propulsion in waves

Autor: Eilif Pedersen, Poul Andersen, Sadi Tavakoli, Sverre Steen, Simone Saettone, Jesper Schramm

Publikováno v: Applied Energy. 279:115904

In many vessels, the prime mover is a diesel engine, while the researchers recommended using natural gas as an attractive option to comply with the latest emission legislations. This study aims to analyze the dynamic response of a spark-ignition engi

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::ef43b05658e56009bfa222b33ac6289d
https://doi.org/10.1016/j.apenergy.2020.115904

Melting effect on steady laminar flow of a micropolar fluid over a stagnation point on a vertical surface

Autor: Alireza Rasekh, S. Naeejee, Davood Domiri Ganji, Sadi Tavakoli

Publikováno v: Journal of Engineering Physics and Thermophysics. 86:1210-1216

Steady laminar flow of a micropolar fluid towards a stagnation point on a vertical melting surface is investigated. The external velocity is normal to the wall, and the wall temperature is assumed to vary linearly with distance from the stagnation po

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::3f00bae2de353317d79e1c4b8ba4ef0b
https://doi.org/10.1007/s10891-013-0943-7