Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 4 of 4 for “"Semi-trucks"”.
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Analysis of an Intervention to Reduce Truck Drivers' Exposure to Whole-Body Vibration
… to WBV. The effectiveness of the seat pad in semi-trucks has not yet been established. Results from a previous pilot study involving 12-ton and 16-ton vibratory rollers used by Seattle Public Utility drivers suggest that the seat pad is not effective at very low speeds (1-3 mph). Methods. The …
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Measurement and Analysis of the Physical and Climatic Distribution Environment for Air Package Shipment
… types of small delivery vans, large commercial semi trucks, cargo dollies, feeder aircraft, and high altitude commercial jetliners. The varying hazard level presented during distribution could directly weaken the packaging components and/or cause product damage. For this reason, it is of utmost …
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Bi-stability in the Wakes of Platooning Ahmed Bodies
<p>Autonomous heavy vehicles will enable the promise of decreased energy consumption through the ability to platoon in closer formation than is currently safe or legal. It is therefore increasingly important to understand the complex and dynamic wake interactions between vehicles operating in close …
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High Automobile Emissions: Modeling Impacts and Developing Solutions
… wagons, full size vans, mini vans, pickup trucks, and SUVs. Second, a procedure is proposed for constructing on-road RS emission standards sensitive to vehicle speed and acceleration levels. The proposed procedure is broadly divided into three sub-processes. In the first process, HE cut …