Development of an optimized cooling system for a light duty Pickup truck

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Development of an optimized cooling system for a light duty Pickup truck

Kumar, Gaurav / Jadhav, Narayan / Sindgikar, Pavan / Gaidhane, Sandip / Shaikh, Sarfaraj

With the advent of most advanced diesel engines the demand for upgraded engine cooling modules capable of handling more heat rejection in a smaller space is surging. Moreover, the variance in the operating conditions, i.e., the simultaneous cooling demands for peak load as well as partial load in different ambient conditions of the vehicle operation, broadens the scope of development of a cooling system. Also, the cooling system needs to be configured judiciously so as to cater effective cooling at peak loads and efficient cooling at partial loads.This research paper deals with a cooling system developed using modularity approach in order to have a control over tuning of subsystems for varying operating conditions and also to achieve the performance targets with a compact design adhering to packaging constraints. Kuli simulation of different designed configurations were carried out for identification of best concept. Experiments were carried out on vehicle to assess the engine actual operating band proximity to its optimum thermal efficiency band and to alleviate the FEAD (Front engine accessory drive) load during the duty cycle of vehicle in actual terrain application in order to maximize fuel economy.