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C2: Automotive
In this case study, an energy harvesting system using thermoelectric power generator (TEG) has been constructed. Experimental investigation for the thermoelectric modules (TMs), hot side and cold side in this system are undertaken to assess the feasibility of automotive applications. Two test benches are developed to analysis the performance of TM and TEG system characteristics, especially the temperature difference, open circuit voltage and maximum power output of the TM and TEG system. As the performance of a TM is most influenced by an applied pressure and the temperature difference, thermostatic heater, thermostatic water tank and clamping devices are used to our experimental apparatus, which enlarges the output power of TEG system. Based on the test bench, a new system called “four-TEGs” system is designed and assembled into prototype hybrid electric vehicle called “Warrior”, through these road tests, characteristics of the system such as maximum power output is studied. The result shows great possibilities for application of this technology in future hybrid electric vehicles.