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http://dx.doi.org/10.7467/KSAE.2015.23.3.307

A Study on the Impact of Fuel Economy as Tactive Resistance Calculation Methods on HD Chassis Dynamometer for Medium-heavy Duty Vehicle  

Lee, Iksung (Power Train Research Team, Jeonbuk Institute of Automotive Technology)
Seo, Dongchoon (Power Train Research Team, Jeonbuk Institute of Automotive Technology)
Kim, Soohyung (Power Train Research Team, Jeonbuk Institute of Automotive Technology)
Ko, Sangchul (Power Train Research Team, Jeonbuk Institute of Automotive Technology)
Chun, Youngwoon (FGCV Development Center, Jeonbuk Institute of Automotive Technology)
Cho, Sanghyun (Power Train Research Team, Jeonbuk Institute of Automotive Technology)
Publication Information
Transactions of the Korean Society of Automotive Engineers / v.23, no.3, 2015 , pp. 307-314 More about this Journal
Abstract
The purpose of this study is know the fuel economy of difference tractive resistance calculation methods on light duty low-floor bus. Two tractive resistance calculation methods(coastdown test and JFCM conversion formula) are tested to understand the difference of fuel economy. JFCM was developed for fuel economy regulations of heavy duty vehicle. That show a big difference as a result of the calculation using coastdown test and JFCM conversion formula. The difference of the tractive resistance affects the fuel economy.
Keywords
Heavy duty vehicle; Chassis dynamometer; Coastdown; GVW; Fuel economy; WHVC(World Harmonized Vehicle Cycle);
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