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International Journal of Automotive Technology

18.05.2024 | Engine and Emissions, Fuels and Lubricants

Load Factor Characteristics of 200 kw Class Excavators in Real-Work Operation Mode

verfasst von: Dal Ho Shin, Seok Joo Kwon, Yun Seo Park, Chul Yoo, Suhan Park

Erschienen in: International Journal of Automotive Technology

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Abstract

To improve emissions inventory, design a real-work operation mode that simulates the operating characteristics of an excavator. The test was conducted at a specialized construction machinery test site to maintain constant operator and soil conditions. Engine speed and actual engine percentage torque were obtained from the onboard diagnostic terminal through a data acquisition device. In Korea, a fixed LF of 0.48 is uniformly applied to all construction machinery. However, it may not be entirely reasonable to use this LF for construction machines performing a variety of tasks. In practical operation tests conducted on two excavators, the LF was measured as 0.426 and 0.47, demonstrating that the fixed LF may not always be applicable. By implementing an LF that is subdivided for each specific type of construction machine, the error in emission calculations could potentially be reduced by 2% to 12%.

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Metadaten
Titel
Load Factor Characteristics of 200 kw Class Excavators in Real-Work Operation Mode
verfasst von
Dal Ho Shin
Seok Joo Kwon
Yun Seo Park
Chul Yoo
Suhan Park
Publikationsdatum
18.05.2024
Verlag
The Korean Society of Automotive Engineers
Erschienen in
International Journal of Automotive Technology
Print ISSN: 1229-9138
Elektronische ISSN: 1976-3832
DOI
https://doi.org/10.1007/s12239-024-00095-7

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