Performance and Emissions of a Medium-Speed Engine Driven with Sustainable Options of Liquid Fuels Univ Of Vaasa

Format:

Book

Conference/Event

Author/Creator:

Niemi, Seppo, author.

Contributor:

Asplund, Tomas

Hautala, Saana

Heikkilä, Sonja

Hissa, Michaela

Kiikeri, Antti

Niemi, Antti

Nilsson, Olav

Ovaska, Teemu

Portin, Kaj

Sirviö, Katriina

Spoof-Tuomi, Kirsi

Suomela, Janne

Conference Name:

SAE Powertrains, Fuels & Lubricants Meeting (2020-09-22 : Krakow, Poland)

Language:

English

Physical Description:

1 online resource cm

Place of Publication:

Warrendale, PA SAE International 2020

Summary:

Energy production and transport are major global contributors of greenhouse gas emissions. Both sectors should reduce their use of fossil energy sources. The pollutant emissions must also be reduced without jeopardizing energy efficiency, reliability and profitability.The internal combustion engine will dominate in marine and power plant applications for a long time. The reasons are its high energy density, efficiency, durability, and ability to respond rapidly to load changes.Ever-tightening emissions legislation encourages development of new solutions for engine-driven power. One example is exploring the use of alternative fuels in large engines. Low-carbon liquid fuels with high energy density are ideal for applications working far from any infrastructure.This study evaluated how four liquid fuel alternatives perform in a medium-speed engine. One new fuel was a circular economy-based marine gas oil (MGO). The second novelty was a blend of renewable naphtha and low-sulfur light fuel oil (LFO). Kerosene was the third option. Neat LFO served as the baseline fuel. First, thorough fuel analyses were performed, including the fuels' ignition properties. Then, a medium-speed engine was driven with each fuel by using similar engine settings and without exhaust after-treatment.The results indicate that the thermal efficiencies were almost equal for all fuels at all studied loads. No notable differences were observed in the heat release curves. At low loads, kerosene and the naphtha/LFO blend produced slightly increased HC emissions but the blend showed the lowest HC at full load. At higher loads, kerosene generated slightly increased NOx emissions, probably due to its lower cetane number. MGO and naphtha/LFO blend usually emitted fewer ultrafine exhaust particles than kerosene and LFO. Methane and nitrous oxide emissions were always very low. Overall, all the studied fuels could be adopted for medium-speed engines

Notes:

Vendor supplied data

Publisher Number:

2020-01-2126

Access Restriction:

Restricted for use by site license