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Technical Paper

EMC/EMI Testing on a Modest Budget

2007-10-30
2007-01-4202
When considering the addition of radio frequency reception and transmission equipment to the suite of electronics already installed on a modern motor vehicle, numerous issues must be considered and tested to ensure reliable and safe operation not only of the additional equipment but the vehicle itself. This paper addresses some of the major issues and suggests modest design and testing practices that will accomplish the desired reliability and safety. The modest design and testing proposed addresses good engineering practices of electrically bonding metallic surfaces of the vehicle, grounding equipment, shielding signal cables, introducing filters, and appropriately separating cables into bundles.
Journal Article

An Experimental Investigation of Low-Soot and Soot-Free Combustion Strategies in a Heavy-Duty, Single-Cylinder, Direct-Injection, Optical Diesel Engine

2011-08-30
2011-01-1812
High-efficiency, clean-combustion strategies for heavy-duty diesel engines are critical for meeting stringent emissions regulations and reducing the costs of aftertreatment systems that are currently required to meet these regulations. Results from previous constant-volume combustion-vessel experiments using a single jet of fuel under quiescent conditions have shown that mixing-controlled soot-free combustion (i.e., combustion where soot is not produced) is possible with #2 diesel fuel. These experiments employed small injector-orifice diameters (≺ 150 μm) and high fuel-injection pressures (≻ 200 MPa) at top-dead-center (TDC) temperatures and densities that could be achievable in modern heavy-duty diesel engines.
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