Aerodynamic testing of drag reduction technologies for HDVs: progress toward the development of a flow treatment system (year 2) version for public release

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TypeTechnical Report
Series titleReport (Aerospace) (Canada). Aerodynamics Laboratory); no. LTR-AL-2014-0014P
Physical description116 p.
AbstractThrough its ecoTECHNOLOGY for Vehicle II program, Transport Canada has commissioned a project to investigate the aerodynamic improvements possible with current and emerging drag reduction technologies for heavy-duty vehicles (HDVs), with the intent of guiding future implementation of such technologies for Canada’s transportation industry. The project will consist of wind-tunnel testing of a scale-model HDV with various drag reduction technologies. Progress towards the development of a Flow Treatment System (FTS) for generating winds experienced by HDVs on the road is presented (Phase 1 - Stream A). This includes the results and analysis of 1) the on-road tests to measure the winds experienced by road vehicles, 2) the small-scale wind tunnel tests to evaluate concepts for simulating the measured winds, 3) the small-scale wind tunnel tests to investigate the sensitivity of HDV drag to turbulence, 4) the intermediate-scale demonstration of the selected concept, and 5) the selection of an appropriate blockage correction method for HDVs in turbulent flow. The project progress to date is described and the required next steps are defined. This report forms a redacted version of the original LTR-AL-2014-0014 for public dissemination.
Publication date
PublisherNational Research Council Canada. Aerospace. Aerodynamics Laboratory
AffiliationNational Research Council Canada; Automotive and Surface Transportation
NoteProject no.: A1-000740
Prepared for: ecoTECHNOLOGY for Vehicles Stewardship and Sustainable Transportation Programs, Transport Canada
Peer reviewedNo
NPARC number23000643
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Record identifierab507ed0-8973-4705-ae56-d6be89ca7bf0
Record created2016-08-15
Record modified2016-10-03
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