Journal of Electronic Materials

, Volume 44, Issue 6, pp 1491–1497 | Cite as

Modular Analysis of Automobile Exhaust Thermoelectric Power Generation System

Article
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Abstract

In this paper, an automobile exhaust thermoelectric power generation system is packaged into a model with its own operating principles. The inputs are the engine speed and power, and the output is the power generated by the system. The model is divided into two submodels. One is the inlet temperature submodel, and the other is the power generation submodel. An experimental data modeling method is adopted to construct the inlet temperature submodel, and a theoretical modeling method is adopted to construct the power generation submodel. After modeling, simulation is conducted under various engine operating conditions to determine the variation of the power generated by the system. Finally, the model is embedded into a Honda Insight vehicle model to explore the energy-saving effect of the system on the vehicle under Economic Commission for Europe and cyc-constant_60 driving cycles.

Keywords

Automobile exhaust thermoelectric power generation system modeling engine operating condition simulation energy-saving effect 

List of symbols

Variables

T_in

The temperature obtained on the surface of the high-temperature gas tank in the row nearest to the engine (i.e., row 1) (K)

m

Number of rows of modules on a single side of the high-temperature gas tank of the TEG

n

Number of columns of modules on a single side of the high-temperature gas tank of the TEG

t

Number of heat exchanger sets

Thi

Hot-side temperature of a single module in row i (K)

PMi,j_max

Power generated by a single module in row i, column j (W)

PLi_max

Power generated by the modules in row i (W)

PL_max

Power generated by a single heat exchanger set (W)

PTEG

Power generated by the whole TEG (W)

Subscripts

i

The ith row of modules on a single side of the high-temperature gas tank of the TEG

j

The jth column of modules on a single side of the high-temperature gas tank of the TEG

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Copyright information

© The Minerals, Metals & Materials Society 2014

Authors and Affiliations

  1. 1.Hubei Key Laboratory of Advanced Technology for Automotive Components, Automobile Engineering InstituteWuhan University of TechnologyWuhanChina

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