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Updated: Jul 18, 2025

Asymmetric Thermoelectrochemical Cell for Harvesting Low-grade Heat under Isothermal Operation
Published on: February 5, 2020
Multidisiplinary design optimization of a power generation system based on waste energy recovery from an internal
Abdeljelil Chammam1, Abhishek Kumar Tripathi2, Abrahan-Pablo Aslla-Quispe3
1Department of Electrical Engineering, College of Engineering, Prince Sattam Bin Abdulaziz University, Alkharj, 11942, Saudi Arabia; Laboratory LaTICE, Ecole Nationale Supérieure D'ingénieurs de Tunis ENSIT, University of Tunis, Tunisia.
Abstract:
The research paper mainly deals with waste heat recovery from internal combustion engines (ICE) using the organic Rankine cycle (ORC) and Thermoelectric generator (TEG). Simultaneously recovering the wasted heat of both exhaust gases and coolant, a novel configuration named two-stage is proposed. Then a comprehensive thermo-economic analysis and optimization are conducted. Produced power and total cost rate are selected as the objective function of the optimization. Also, the first and second stage pressures of the ORC system are considered as decision variables. Finally, a sensitivity analysis is performed to study the effect of expander inlet temperature, pumps isentropic efficiency, and expander isentropic efficiency on the objective function.
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