Open AccessAnalysis of car waste heat recovery system utilizing thermoelectric generator
Author(s) -
Artur Nemś,
Mikołaj Simiński,
Magdaleemś,
Tomasz Magiera
Publication year - 2018
Publication title -
autobusy – technika eksploatacja systemy transportowe
Language(s) - English
Resource type - Journals
eISSN - 2450-7725
pISSN - 1509-5878
DOI - 10.24136/atest.2018.144
Subject(s) - thermoelectric generator , internal combustion engine , exhaust gas , automotive engineering , thermoelectric effect , combustion , waste heat recovery unit , heat engine , exhaust gas recirculation , heat transfer , generator (circuit theory) , mechanical engineering , electric generator , waste heat , external combustion engine , combustion chamber , environmental science , materials science , nuclear engineering , engineering , waste management , heat exchanger , mechanics , thermodynamics , physics , chemistry , power (physics) , organic chemistry
This paper presents a calculation algorithm for a thermoelectric generator fitted in the exhaust system of a combustion engine. The viability of the presented calculation method was verified on an actual combustion engine. The calculations were performed for a BMW engine, and the generator design was based on a prototype from the same manufacturer. The paper includes calculations of the thermal cycle and of the parameters of exhaust gases from the engine. Subsequent calculations cover heat transfer from exhaust gases to the thermoelectric module and the amount of electric energy obtained from a series of modules. In the last part, the focus is on the influence of engine speed on the performance of the thermoelectric generator.
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