Naslov
The influence of SCR on main engine parameters
(UTJECAJ SELEKTIVNOG KATALITIČKOG REAKTORA NA PARAMETRE GM)

Autori
Rumac, Filip

Vrsta, podvrsta i kategorija rada
Ocjenski radovi, diplomski rad, preddiplomski

Fakultet
Pomorski fakultet

Mjesto
Rijeka

Datum
18.09

Godina
2018

Stranica
45

Mentor
Bernečić, Dean

Ključne riječi
NOx emissions, SCR system, parameter change

Sažetak
Air pollution from ships is increasing due to higher global demand of goods, and with them, global emission standards as well. These standards are dictated by MARPOL Annex VI and the introduction of emission control areas (ECA). 1 Ships built before 1990. don’t have to comply with these rules, but Ships built after the early 2000 must follow “NOx Emission Tier I”, which allows 17g/kWh NOx [6], and SRC reactors are not necessary, but since “NOx Emission Tier III” standard was enforced in 2016. it requires an 80% reduction in NOx emission compared to the tier I, specifically 3.4 g/kWh, which can’t be achieved without SCR or other means [7]. This paper is going to be primarily centered around this form of NOx reduction, but other systems are used as well, and will be mentioned later in the paper. The focus of this paper is to make changes to the ammonia dispersion and other parameters in SCR reactor and see how it affects the NOx content in exhaust gasses on various engine parameters. Testing is going to be done on Kongsberg’s „ERS L11 5L90MC – VLCC “. And with the initial conditions set to „Full Ahead “. There are not going to be any external effects present like wind or rough sea. All the data will be recorded after prolonged period to avoid inconsistencies.

Izvorni jezik
Engleski

Znanstvena područja
Tehnologija prometa i transport

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