This technical paper collection contain 15 papers from various aerodynamics sessions at the Commercial Vehicle conference. Topics include: CFD development and application; vehicle aerodynamics; design/drag reduction; and test methods and applications.
This technical paper collection focuses on innovations with foundation brake and apply system components (calipers, rotors, drums, bearings, parking, and actuation). It also addresses integration at all levels (pad to caliper, caliper to corner, corner and actuation to vehicle). Examples of coverage include but are not limited to: component design, performance enhancements, system sizing/configuration, drag reduction, pedal feel, mass reduction, and thermal management by new designs/innovative materials.
Evolving demands on brake systems driven by hybrid and electric vehicle architectures are providing opportunity for new component and brake system configurations and a demand for greater integration of the brake control system with overall vehicle controls. This technical paper collection offers new concepts and ideas for electrically powered and controlled brake calipers, improvements in control strategies and system safety considerations.
This technical paper collection addresses modeling, simulation, analysis, and control (MSA&C) of components, subsystems, and systems pertinent to aerospace power specifically 1. tools and techniques (including optimization algorithms, model-based design, and MSA&C in the loop with hardware; 2. component, subsystem, platform MSA&C; 3. mission and campaign level MSA&C; and 4. verification and validation of MSA&C.
The technical paper collection covers advances in the development and application of models and tools involved in multi-dimensional engine modeling. This includes advances in chemical kinetics, combustion and spray modeling, turbulence, heat transfer, mesh generation, and approaches targeting improved computational efficiency.
This technical paper collection focusses on state of the art simulation technologies for modeling thermal systems and their application in the development and optimization of vehicle thermal management and fuel economy. The papers included will range from empirical, 1D modeling methods to three dimensional CFD models as well as coupled methods.
This technical paper collection covers vehicle aerodynamic development, drag reduction and fuel economy, handling and stability, cooling flows, surface soiling and water management, vehicle internal environment, tyre aerodynamics and modelling, aeroacoustics, structural response to aerodynamic loading, simulating the on-road environment, onset flow turbulence, unsteady aerodynamics, fundamental flow structures, new test methods and facilities, new applications of computational fluid dynamics simulation, competition vehicle aerodynamics.
This technical paper collection focuses on new theory, formulation and modeling of amplitude-, frequency- and temperature-dependent nonlinear components/systems such as rubber and hydraulic mounts or bushings, shock absorbers, and any joint friction/damping; dynamic characterization through lab and field testing; Linearization methodology; Model validation, application, and sensitivity analysis in vehicle system/subsystem simulations; Nonlinear system identification, modeling, and application in testing accuracy improvement, etc.
This technical paper collection is focused on vehicle dynamics and controls using modeling and simulation, and experimental analysis of passenger cars, heavy trucks, and wheeled military vehicles. The papers address active and passive safety systems to mitigate rollover, yaw instability and braking issues; driving simulators and hardware-in-the-loop systems; suspension kinematics and compliance, steering dynamics, advanced active suspension technologies; and tire force and moment mechanics.
This technical paper collection covers emissions measuring techniques and testing regimes including new analysis techniques and the novel application of existing techniques, the comparison of existing and proposed testing regimes with real world experience, including modeling.
This technical paper collection focuses on technologies such as advanced and partially mixed combustion, cooled EGR boosting, ignition and direct injection technologies, pressure boosting, intelligent combustion, thermal efficiency, fully variable valvetrains, and other new and developing technologies.
This technical paper collection includes papers on PM measurement methods, soot generation, alternative methods of PM mass determination, in-cylinder contol of emissions, the effects of EGR, biodiesel fuels, duel fuel systems, soot emissions modeling, PM emissions from gasoline engines, including GDI, ethanol effects, and modeling.
This technical paper collection covers topics such as: new materials for lean NOx traps (LNT) and Selective Catalytic Reduction (SCR); system integration and durability; advances in NOx catalyst substrates, novel reductants and mixing designs.