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Virtual Approach to Predict Heat Rejection of Combustion Engines
The knowledge of heat rejection of combustion engines is essential for the design and layout of automotive cooling systems with respect to peak performance but also with respect to thermal warm-up for low part load operation. For this purpose special designed heat rejection test benches are used to predict heat rejection to the coolant, the oil and to the ambient for different operating conditions at various fluid temperatures. The effort is generally very high and the prediction fidelity in the early prototype stage of the engine is often not very reliable. As an alternative, InDesA will...
Multidisciplinary Design Exploration in Ground Vehicle Design
One of the key goals of STAR-CCM+® focuses on Multidisciplinary Design eXploration (MDX) to help accelerate the design decision process, and allows engineers to drive their simulations through a complete range of operating scenarios. This has been one of the important visions of STAR-CCM+ for virtual vehicle design in ground transportation sector. CD-adapco™ has been working at achieving full integration of a simulation management system into a PLM environment that eases the challenge for CAE experts to run simulations. By designing the digital prototype, this allows engineers to simulate the...
Flow Topology Optimization of a Turbochargers’ Inflow Duct
In order to guarantee an efficient operation of a turbocharger, a ducting with low pressure losses is needed. Furthermore, the inflow duct of the compressor has to provide an air flow with a homogeneous velocity field. Otherwise, the compressor blades may temporally be faced with a critical aerodynamic load, which could result in a decreased operating range of the compressor. With the help of 3D Computational Fluid Dynamics (CFD), engineers are able to predict accurately the flow behavior inside of flow channels and are able to judge if an adaption of the duct shape is needed in order to meet...
Design Optimization of Defrost Grills to Reduce Condensation
A major source of concern for the car manufacturers is visibility. The condensation of water vapor over the windshield and the side windows will have effect on the safety of driver and passengers in the car. This water film is formed due to condensing water vapor near the windshield/windows due to low outside temperature. As a solution to overcome this issue, a good defrost system is achieved by design optimization of the defrost grills. Parameterization of the design is done by using DEP MeshWorks, which is integrated with I-sight for optimization study. The final designs are generated by...

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