Thermoelectric generator for electricity from the exhaust manifold of the diesel engine

Abstract

This research objective is to convert heat from the exhaust manifold of the diesel engine to electrical energy by using the thermoelectric generator (TEG). TEG consist of six semiconductors and be equipped with the heat sink. Research shows that exhaust manifold heat can be used to generate electrical energy by using TEG although the electricity produced is very small. The maximum electrical voltage generated from the use of TEG is 1,84 volts. The maximum electrical current generated by TEG is 51,6 mA. The maximum electrical power generated by TEG is 94,7 mW. TEG efficiency in this study was 3.2% to 4%. The voltage and the electric current generated by the TEG will be higher if the temperature difference between the hot side and the cold side of the semiconductor is higher.