According to available data the motor will need a cooling rate of 155J/s to run effectively. This would require the motor to be mounted with large heat sinks .
However for the heat sink to work effectively, constant airflow around it is required. This will be provided by the ducts.
The two side ducts will push air in from the sides and one large duct will push air in from above directly on top of the heat sink. The rear end of the car will be covered by a grill.
When the car will move forward air will ram into the intakes. A low pressure region will also be generated behind the car due to its motion. This region will be at a lower pressure than the front of the intakes and the engine bay and will draw out air from the engine bay through the grill.
This process will allow constant free airflow through the engine bay and will greatly assist in cooling the motor.
This design will also provide airflow for the internal combustion engine when it is used in the shell eco challenge without any modifications.
The main goal of Shell Eco is fuel efficiency therefore a good airflow to the engine is crucial.
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