Using a combination of imaging techniques, we have produced a database of the macroscopic properties of sprays produced by a common-rail injection system in a diesel simulation cell. The parameters of the data base include injection pressure (40, 80 and 150 MPa), gas-side temperature (387, 800 and 1100 K), gas density (12, 25 and 30 kg/m3), injector nozzle hole size (0.17 and 0.20 mm) and injection programs (with and without pilot injection). Single component fuels (heptane and dodecane) were used in order to simplify data interpretation and modeling. The spray characteristics which were measured include the initial “dispersion” angle of the nozzle, initial spray tip speeds, and spray tip penetration vs. time for both the liquid and vapor parts of the spray. The sites of initial self ignition and combustion propagation within the sprays were visualized, and a luminous delay was measured for several of the operating conditions.
The sensor technology is designed to bridge some of the gap between current-generation radar and lidar – while retaining the traditional advantages of RF-based sensors.
As part of its educational experience, the Noise & Vibration Conference begins with focused instructor-led workshops designed for those new to NVH or those looking for a refresher on a given topic.
Pratt & Miller’s main role will be ensuring that the Lynx meets or exceeds the Army's survivability requirements for the OMFV, which is scheduled to begin replacing the M-2 Bradley Fighting Vehicle in 2026. The OMFV competition requires that the vehicle be optimized for dense urban areas while maintaining efficacy against threats in open, rural areas.
407 Express Toll Route Concession Company Limited is optimizing kilometers of Canadian highway for automated vehicles (AVs) in partnership with 3M Canada. 407 ERT has applied high-contrast 3M pavement marking tapes for Advanced Driver Assistance Systems (ADAS) on lanes on Canada’s Highway 407 ETR.
Beep Inc., an automated vehicle (AV) distributor based in Orlando, Florida, is partnering with Bestmile SA – a developer of fleet orchestration software. Through the collaboration, Beep will use Bestmile’s software to manage and monitor autonomous shuttle fleets that it sells to fleet owners who operate in low speed environments across the public and private sector.
The Noise & Vibration Conference & Exhibition (NVC) program will feature technical sessions, interactive workshops, keynote presentations, chat with the experts, and networking
SAE EDGE Research Reports provide examinations significant topics facing mobility industry today including Connected Automated Vehicle Technologies Electrification Advanced Manufacturing