A thermoelectric generator has been made consisting of an inner shell as a exhaust pipe, an outer shell as a water jacket and 16 Bi2Te3 modules working at low temperature established between the inner shell and the outer shell. Heat-exchanging fins were formed inside the inner shell with heat transfer area ratios of 0.92, 1.21, 1.65, and 1.99 along the exhaust gas flow, in order to reduce the temperature distribution at the hot side of the modules without overheating of the module. When the exhaust gas was introduced to the inner shell of the generator under conditions corresponding to a 2 litres to 3 litres gasoline engine vehicle running at 60 km/h up a 3 % to 5 % hill, the electric power generated by the generator was 193 W. The heat change conversion efficiency of the generator was esti-mated at to be 37 % of the primary exhaust gas energy flux. The generated power was 2.9 % of the heat flux through the generator.
Thermoelectric generator for gasoline engine vehicles using Bi2Te3 modules
Thermosäule für Otto-Motor-Fahrzeuge unter Verwendung von Bi2Te3-Moduleinheiten
Titel japanisch
Journal of the Japan Institute of Metals ; 63 , 11 ; 1475-1478
1999
4 Seiten, 5 Bilder, 1 Tabelle, 7 Quellen
Aufsatz (Zeitschrift)
Japanisch
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