Zobrazeno 1 - 10
of 98
pro vyhledávání: '"Won-Ju Lee"'
Autor:
Antony John Nyongesa, Min-Ho Park, Chang-Min Lee, Jae-Hyuk Choi, Van Chien Pham, Jae-Jung Hur, Won-Ju Lee
Publikováno v:
Ain Shams Engineering Journal, Vol 15, Iss 8, Pp 102845- (2024)
Poor clearances, misalignments, and carbon deposits in a turbocharger due to high running hours can decrease engine efficiency. This study analyzes the effects of turbocharger reconditioning on the performance and emissions formation of a marine dies
Externí odkaz:
https://doaj.org/article/6a35ba473296434b931d20123b2d640a
Publikováno v:
Energy Reports, Vol 9, Iss , Pp 195-216 (2023)
A numerical study was conducted to investigate the effects of hydrogen and scavenging air temperature (SAT) on the combustion and emission characteristics of a 2-stroke heavy-duty dual-fuel (DF) marine engine at full load. The engine had a 700 mm bor
Externí odkaz:
https://doaj.org/article/6e750c10795a46bf8548d9ad4692025b
Autor:
Antony John Nyongesa, Jae-Hyuk Choi, Ji-Woong Lee, Jae-ung Lee, Seongwan Kim, Siljung Yeo, Jun-Soo Kim, Won-Ju Lee
Publikováno v:
Case Studies in Thermal Engineering, Vol 56, Iss , Pp 104241- (2024)
Low-pressure gas-admission marine two-stroke engines have significant potential for reducing emissions in the shipping industry. However, they exhibit poor combustion quality under low-load conditions, leading to lower thermal efficiency and high lev
Externí odkaz:
https://doaj.org/article/eef229ac71cb4ff29e241b1d267ed65c
Publikováno v:
Energy Reports, Vol 9, Iss , Pp 1886- (2023)
Externí odkaz:
https://doaj.org/article/2b80c25b25ee4f7a9099df29f597ae4c
Publikováno v:
Energies, Vol 17, Iss 2, p 450 (2024)
As an escalating global concern for environmentally sustainable marine fuels, liquefied petroleum gas (LPG) is attracting attention as an eco-friendly and economical alternative. This study explored LPG utilization in small marine vessels, focusing o
Externí odkaz:
https://doaj.org/article/50b86cfc3b9149bc84660a0af622248b
Publikováno v:
Journal of Marine Science and Engineering, Vol 11, Iss 8, p 1488 (2023)
This study aimed to evaluate the environmental impact of using liquefied petroleum gas (LPG) in small fishing vessels by conducting a life cycle assessment (LCA) in Korea. For the first time in the country, LPG engines designed for small fishing ship
Externí odkaz:
https://doaj.org/article/00afbcc7a20048c7873992e2d109fb9b
Publikováno v:
Journal of Marine Science and Engineering, Vol 11, Iss 4, p 716 (2023)
This study aims to accurately estimate the emissions of seven air pollutants (NOX, SOX, CO2, CO, PM2.5, PM10, and NMVOC) from ships for one year (2020) in the busiest port in Korea, Busan Port. To achieve this, a more detailed method for calculating
Externí odkaz:
https://doaj.org/article/d4ef02116b7f406dac512ce59ee2f878
Publikováno v:
Materials, Vol 16, Iss 1, p 428 (2023)
The demand for Liquefied natural gas (LNG) has rapidly increased over the past few years. This is because of increasingly stringent environmental regulations to curb harmful emissions from fossil fuels. LNG is one of the clean energy sources that has
Externí odkaz:
https://doaj.org/article/abadae9bc57145ba8f98fa31589a3dea
Publikováno v:
Applied Sciences, Vol 12, Iss 24, p 13012 (2022)
Piston bowl geometry plays an important role in the fuel/air mixing quality which has a direct influence on the performance and emission characteristics of the engine. This work studied the effects of piston bowl geometry on the combustion and emissi
Externí odkaz:
https://doaj.org/article/578be99ee2cb47ad98c1e051958cfecf
Publikováno v:
Energies, Vol 15, Iss 24, p 9555 (2022)
The vessel speed reduction program (VSRP) was first introduced in the Port of Los Angeles in 2001 to improve air quality. In this study, an algorithm was developed to calculate ship emissions with a bottom-up approach based on ship activity using aut
Externí odkaz:
https://doaj.org/article/4bc3b1565cb64fd8bf27c3a350003227