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AUTOMOTIVE ELECTRIC MOTOR COOLING: A NUMERICAL AND EXPERIMENTAL ANALYSIS

Resistive Heater. Circulating Air. Fan. Air In (T  ). Heated Air (T Chamber ). Heat Exchanger. Test Motor. Sealed Funnel. Dynamometer. AUTOMOTIVE ELECTRIC MOTOR COOLING: A NUMERICAL AND EXPERIMENTAL ANALYSIS. Background.

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AUTOMOTIVE ELECTRIC MOTOR COOLING: A NUMERICAL AND EXPERIMENTAL ANALYSIS

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  1. Resistive Heater Circulating Air Fan Air In (T) Heated Air (TChamber) Heat Exchanger Test Motor Sealed Funnel Dynamometer AUTOMOTIVE ELECTRIC MOTOR COOLING: A NUMERICAL AND EXPERIMENTAL ANALYSIS Background Understanding the airflow and heat transfer inside automotive electric motors is critical to ensure sufficient cooling to maintain performance. Experimental thermal chamber schematic Objective To determine if CFD is adequate to resolve the flow and the heat transfer through the motor. The simulations will be validated with the experimental measurements taken from the thermal chamber. Electric motor currently under investigation

  2. Research Carried Out Simulations comparing the motor temperatures at various flow rates and ambient conditions show good agreement to the experiments. Predicted thermal contours on motor casing Key Findings CFD has proven to be reliable at replicating the experimental data. Thus, it is feasible for newdesigns to be tested and optimized using virtual techniques before costly prototypes are built and tested. Comparison of experimental vs. CFD temperatures Velocity vectors coloured by temperature at a motor outlet

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