MODSIM 3DXCONFERENCE Design_with_Integrated_Modeling_and_Simulation
I am pleased to invite you to hear my presentation on the Global 3DEXPERIENCE Modeling & Simulation Virtual Conference, on November 17.
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My Presentation
Engine cooling is a challenge across industries, such as Automotive and Industrial Equipment. Many equipment manufacturers focus mainly on meeting engine certification at a specific ambient temperature without realizing there is potential for additional airflow. Through exploration of a design space, leveraging optimization analysis, the impact of fan and fan shroud design parameters on the total airflow can be investigated to achieve optimal performance without constraining the design change to simple iterations from a baseline. With a better understanding of the key shape parameters early in the development schedule, the need for multiple tests and iterations late in the development schedule can be removed. Additionally we can leverage the information related to thermal and aero-acoustic contributions to achieve the multi-objective optimal design of fans with a single solution.
In this study, a series of design of experiments and optimizations of a fan and fan shroud were performed on an excavator to achieve optimal cooling airflow. The fixed design space for this engine cooling system covered design parameters such as tip clearance, fan to radiator distance, fan shroud depth and curvature and fan shroud ring depth. The performance of the system is assessed using a Lattice Boltzmann-based Method known for its best-in-class accuracy at predicting cooling performance. The final configuration of optimal design shows a 15% improvement to the initial one and illustrates how most machinery with similar configurations of fan and fan shroud can leverage such optimization approaches to help reduce total development time and cost. We further evaluate the noise contributions for both the baseline and the optimal solution to digitally certify the design for sound power levels, using an automated process that conforms to ISO 6393.
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