This paper summarizes and compares the two main test methods for aerodynamic evaluations of heavy trucks in the United States and the European Union: coastdown testing and constant-speed testing, respectively. The methodologies were compared in terms of their instrumentation requirements, test-track requirements, testing effort, data analysis and use within simulation tools, precision, and accuracy. Both methods have relative advantages and deficiencies.
[2]
Links:
[1] http://admin.indiaenvironmentportal.org.in/reports-documents/comparison-aerodynamic-drag-determination-procedures-hdv-co2-certification
[2] http://www.indiaenvironmentportal.org.in/files/file/ICCT_aero_drag_briefing.pdf
[3] http://admin.indiaenvironmentportal.org.in/category/author/oscar-delgado
[4] http://admin.indiaenvironmentportal.org.in/category/author/felipe-rodr%C3%ADguez
[5] http://admin.indiaenvironmentportal.org.in/category/author/nikiforos-zacharof
[6] http://admin.indiaenvironmentportal.org.in/category/publisher/international-council-clean-transportation-icct
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/heavy-duty-vehicle
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/carbon-dioxide
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/united-states-america-us
[10] http://admin.indiaenvironmentportal.org.in/category/thesaurus/european-union-eu