| Download | - View final version: Public release of NRC zero-emission heavy-duty-vehicle model for aerodynamics evaluations (PDF, 11.7 MiB)
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| DOI | Resolve DOI: https://doi.org/10.4224/40004012 |
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| Author | Search for: McAuliffe, Brian1; Search for: Ghorbanishohrat, Faegheh2 |
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| Affiliation | - National Research Council Canada. Aerospace
- National Research Council Canada. Automotive and Surface Transportation
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| Format | Text, Technical Report |
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| Physical description | 40 p. |
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| Abstract | In 2023, the National Research Council Canada (NRC) developed a heavy-truck shape concept for aerodynamic investigations of emerging zero-emission heavy-vehicle shapes, that was subsequently fabricated and tested at 30% scale in the NRC 9 m Wind Tunnel. The project was funded by Transport Canada’s ecoTECHNOLOGY for Vehicles Program with a goal to investigate range benefits of emerging shapes associated with zero-emission power trains. The CAD models and test data corresponding to two variants of the tractor-trailer model are available for download. The geometric scale of the CAD models is 30% relative to a full-scale vehicle, for consistency with the 30%-scale of the wind-tunnel model on which they are based. The H model represents a low-drag tractor shape with a “H”ybrid power-train configuration, while the Z model represents the same low-drag shape, with additional drag-reduction modifications, representing a “Z”ero-emission power-train configuration. Wind-tunnel measurements are provided for force-and-moment coefficients, ventilation/wheel-drag coefficients, surface-pressure coefficients, and cooling-airflow wind-speed ratios. |
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| Publication date | 2026-04-13 |
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| Publisher | National Research Council Canada. Aerodynamics Laboratory |
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| Related data | |
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| Language | English |
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| Peer reviewed | No |
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| Identifier | LTR-AL-2026-0034 |
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| Export citation | Export as RIS |
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| Report a correction | Report a correction (opens in a new tab) |
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| Record identifier | 49da6c4d-ca4a-4f86-b712-ac8658ab16bc |
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| Record created | 2026-04-30 |
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| Record modified | 2026-04-30 |
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