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Study on the method for monitoring the fuel sulfur content of vessels based on emission and diffusion characteristics
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Chao WANG1, 2, Xueyao LI3, Hao WU1
Navigation of China | 2025, 48(4) : 183 - 191
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Navigation of China | 2025, 48(4): 183-191
• Green Shipping •
Study on the method for monitoring the fuel sulfur content of vessels based on emission and diffusion characteristics
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Chao WANG1, 2, Xueyao LI3, Hao WU1
Affiliations
  • 1.School of Network&Communication Engineering, Jinling Institute of Technology, Nanjing 211169, China
  • 2.Hubei Key Laboratory of Inland Shipping Technology, Wuhan University of Technology, Wuhan 430070, China
  • 3.School of Economics and Management, Southeast University, Nanjing 211189, China
Published: 2025-12-25 doi: 10.3969/j.issn.1000-4653.2025.04.021
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To effectively identify vessels using fuel with excessive sulfur content, a reverse calculation method for determining fuel sulfur content was developed based on emission and diffusion characteristics. A Gaussian puff compensation model was applied to estimate the emission source strength of vessels from monitored SO2 concentrations at designated points. In addition, a computational model for vessel fuel consumption was established using key vessel parameters, including the power and fuel consumption rates of main and auxiliary engines. The proposed method demonstrated superior performance compared to the mainstream carbon balance method in detecting vessels with non-compliant sulfur content, achieving detection and false detection rates of 86.60% and 2.06%, respectively. Over a 30-day continuous monitoring period, the fuel sulfur content of 2,743 vessels was successfully determined, representing an effective detection rate of 82.72%. Among these, 131 vessels were identified as potentially exceeding sulfur limits. Subsequent verification confirmed that 111 vessels used non-compliant fuel, resulting in an assessment accuracy of 84.73%. These findings demonstrate the method's capability to enable real-time monitoring of fuel sulfur content without requiring CO2 concentration data.

vessel emissions  /  sulfur content reverse calculation  /  fuel consumption  /  spectral analysis  /  carbon balance method  /  Gaussian puff correction model
Chao WANG, Xueyao LI, Hao WU. Study on the method for monitoring the fuel sulfur content of vessels based on emission and diffusion characteristics[J]. Navigation of China, 2025 , 48 (4) : 183 -191 . DOI: 10.3969/j.issn.1000-4653.2025.04.021
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Article Info
doi: 10.3969/j.issn.1000-4653.2025.04.021
  • Receive Date：2024-11-26
  • Online Date：2026-03-17
  • Published：2025-12-25
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  • Received：2024-11-26
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Affiliations
    1.School of Network&Communication Engineering, Jinling Institute of Technology, Nanjing 211169, China
    2.Hubei Key Laboratory of Inland Shipping Technology, Wuhan University of Technology, Wuhan 430070, China
    3.School of Economics and Management, Southeast University, Nanjing 211189, China
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https://castjournals.cast.org.cn/joweb/zghh/EN/10.3969/j.issn.1000-4653.2025.04.021
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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