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Thermal Systems Modeling and Simulation, 2017
Viewing 1 to 15 of 15
Experimental and Numerical Investigation of Vehicle Drive and Thermal Soak Conditions in a Simplified Engine Bay
Author(s): Sweetman, B., Schmitz, I., Hupertz, B., Shaw, N. et al.
Abstract Driven by the demand to continuously reduce the development time of new vehicles, it is of critical importance to robustly develop design and packaging concepts early within a new vehicle pro....
Development of a High Fidelity CAE Model for Predicting Brake System Temperatures
Author(s): Palmer, E. and Jansen, W.
Abstract In order to specify a brake system that will have robust performance over the entire range of expected vehicle drive cycles it is vital that it has sufficient thermal inertia and dissipation ....
A Comparison of Four Modelling Techniques for Thermoelectric Generator
Author(s): Yang, Z., Lan, S., Stobart, R., Winward, E. et al.
Abstract The application of state-of-art thermoelectric generator (TEG) in automotive engine has potential to reduce more than 2% fuel consumption and hence the CO2 emissions. This figure is expected ....
Sensitivity Analysis of Windshield Defrost Characteristics Impact on Occupant Thermal Comfort
Author(s): Kandasamy, N. and Whelan, S.
Abstract During cabin warm-up, effective air distribution by vehicle climate control systems plays a vital role. For adequate visibility to the driver, major portion of the air is required to be deliv....
Investigation of the Under-Hood Aero-Thermal Flow Features Using 3D CFD Simulation
Author(s): Zhang, C., Uddin, M., and Foster, L.
Abstract The demand for better fuel economy pushed by both consumer and Environmental Protection Agency (EPA), made OEMs to put more effort on other areas beside vehicle external aerodynamics. As one ....
Exhaust System Thermal Management: A Process to Optimize Exhaust Enthalpy for Cold Start Emissions Reduction
Author(s): Host, R., Moilanen, P., Fried, M., and Bogi, B.
Abstract Future vehicle North American emissions standards (e.g., North American Tier 3 Bin 30 or LEVIII SULEV 30) require the exhaust catalyst to be greater than 80% efficient by 20 seconds after the....
Simulation of Subcooled Flow Boiling on Engine Cooling Jacket with a Bubble Waiting Time Coefficient Model
Author(s): Dong, F., Hou, L., Xu, Z., and Cao, T.
Abstract The objective of this present research is to investigate the influence of bubble waiting time coefficient on subcooled flow boiling heat transfer in internal combustion engines and propose an....
Analysis of Underhood Temperature Fields using Linear Superposition
Author(s): Lim, C., Ireland, P., and Collett, N.
Abstract The analysis of thermal fields in the underhood region is complicated by the complex geometry and the influence of a multitude of different heat sources. This complexity means that running fu....
Development of the Large Type Electric-Driven Refrigerator for the HV Truck
Author(s): Ando, A., Hamashima, K., Kato, S., Tomita, N. et al.
Abstract In respect to the present large refrigerator trucks, sub-engine type is the main product, but the basic structure does not change greatly since the introduction for around 50 years. A sub-eng....
Effect of an ORC Waste Heat Recovery System on Diesel Engine Fuel Economy for Off-Highway Vehicles
Author(s): Karvountzis-Kontakiotis, A., Pesiridis, A., Zhao, H., Alshammari, F. et al.
Abstract Modern heavy duty diesel engines can well extend the goal of 50% brake thermal efficiency by utilizing waste heat recovery (WHR) technologies. The effect of an ORC WHR system on engine brake ....
Design Procedure for Robust Design of CV EGR Coolers Against Thermal Fatigue
Author(s): Grande, J., Carrera, J., and Dieguez Sr, M.
Abstract Exhaust Gas Recirculation (EGR) is an effective technique for reducing NOx emissions in order to achieve the ever more stringent emissions standards. This system is widely used in commercial ....
A New Approach to Predicting Component Temperature Collectives for Vehicle Thermal Management
Author(s): Eller, J., Reister, H., Binner, T., Widdecke, N. et al.
Abstract There is a growing need for life-cycle data – so-called collectives – when developing components like elastomer engine mounts. Current standardized extreme load cases are not sufficient for e....
Transient Power Optimization of an Organic Rankine Cycle Waste Heat Recovery System for Heavy-Duty Diesel Engine Applications
Author(s): Xu, B., Yebi, A., Onori, S., Filipi, Z. et al.
Abstract This paper presents the transient power optimization of an organic Rankine cycle waste heat recovery (ORC-WHR) system operating on a heavy-duty diesel (HDD). The optimization process is carri....
Modeling of Phase Change within a Wax Element Thermostat Embedded in an Automotive Cooling System
Author(s): Srinivasan, C., Zhang, C., Gao, H., Wang, D. et al.
Abstract In an automotive cooling circuit, the wax melting process determines the net and time history of the energy transfer between the engine and its environment. A numerical process that gives ins....
Calibration and Demonstration of Vehicle Powertrain Thermal Management Using Model Predictive Control
Author(s): Bonkoski, P., Karnik, A., and Fuxman, A.
Abstract Control of vehicle powertrain thermal management systems is becoming more challenging as the number of components is growing, and as a result, advanced control methods are being investigated.....
Viewing 1 to 15 of 15