Experimental and numerical investigation of heat transfer and flow characteristics for tractor heat exchanger (radiator)

Experimental and numerical investigation of heat transfer and flow characteristics for tractor heat exchanger (radiator)

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An experimental and numerical study galaxy harmony nc was carried out to investigate heat transfer and flow characteristics through the tractor heat exchanger (radiator).The engine of the tractor is Diesel (compression ignition) engine type.The experimental study used heat exchanger (radiator) manufactured from copper instead of the original heat exchanger of the tractor, which is manufactured from iron.Both heat exchangers consist of circular cross sectional tubes and plate fins.

The temperatures was measured inside the cooling room of engine for both cases at the same time and the same loads.The results of the experimental investigation showed that the heat exchanger is manufactured from copper provided temperatures less than the heat exchanger manufactured from iron, that means heat rejected by copper heat exchanger is more than heat click here rejected by iron heat exchanger.The use of copper heat exchanger is better than iron heat exchanger for cooling the tractor engine.In the numerical study used model of copper heat exchanger to analyzed by CFD method at different air velocity from (0.

5 m/sec) to (7 m/sec) for laminar air flow.The object of this study was enhancement the heat transfer process from the cooling fluid of heat exchanger.The results of the numerical study shows that heat transfer rate increase with increasing air flow during heat exchanger (radiator).Good agreement between experimental and numerical results is obtained.