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Comparison of different ORC typologies for heavy-duty trucks by means of a thermo-economic optimization

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  • Guillaume, Ludovic
  • Lemort, Vincent

Abstract

This study focuses on the design phase of ORC systems recovering the heat wasted from two of the sources available on a Heavy-Duty Truck (HDT): the exhaust and recirculated gases. From these heat sources and their combinations, 5 possible architectures are considered. The main components (i.e. the heat exchangers, the pump and the expander) of the WHR systems are investigated and modeled. Plate type heat exchangers are considered for both the hot and cold sides of the system. Regarding the expansion devices, 5 positive displacement machine technologies, the scroll, screw, piston, vane and roots expanders, are considered and modeled while, among the turbo-expanders, the radial-inflow turbine is taken into consideration. A semi-empirical model is proposed to simulate a volumetric pump. The models of components are first confronted with experimental data. The validated models are then used as references for the design of the new components, which is achieved following similitude rules. This ultimately leads to 30 typologies that will be used with 6 of the various investigated working fluids. In order to identify the most promising system(s), a 3-step optimization tool is developed. First, the most suitable conditions are identified for the design of the ORC systems using a simplified model of an expansion machine. In the second step, the design phase, using more detailed models for the expanders and a proposed economic model for the overall system, a thermo-economic optimization is performed. In the third step, the output power for each of the obtained system models is maximized, optimizing the evaporating pressure and the superheating degree for various off-design conditions. The average power weighted using the frequency distribution of the gas operating conditions is computed and used to compare the 180 systems. Finally, because power is not the only criterion to select the most suitable system topology, additional criteria are taken into consideration.

Suggested Citation

  • Guillaume, Ludovic & Lemort, Vincent, 2019. "Comparison of different ORC typologies for heavy-duty trucks by means of a thermo-economic optimization," Energy, Elsevier, vol. 182(C), pages 706-728.
    • Handle: RePEc:eee:energy:v:182:y:2019:i:c:p:706-728
    DOI: 10.1016/j.energy.2019.05.195
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    Citations

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    Cited by:

    1. Zhou, Xia & Zhang, Hanwei & Fang, Song & Rong, Yangyiming & Xu, Zhuoren & Jiang, Hanying & Wang, Kai & Zhi, Xiaoqin & Qiu, Limin, 2022. "Off-design performance analysis with various operation methods for ORC-based compression heat recovery system in cryogenic air separation units," Energy, Elsevier, vol. 261(PB).
    2. Nikolaisen, Monika & Andresen, Trond, 2021. "System impact of heat exchanger pressure loss in ORCs for smelter off-gas waste heat recovery," Energy, Elsevier, vol. 215(PB).
    3. Fatigati, Fabio & Di Battista, Davide & Cipollone, Roberto, 2021. "Design improvement of volumetric pump for engine cooling in the transportation sector," Energy, Elsevier, vol. 231(C).
    4. Pili, Roberto & Bojer Jørgensen, Søren & Haglind, Fredrik, 2022. "Multi-objective optimization of organic Rankine cycle systems considering their dynamic performance," Energy, Elsevier, vol. 246(C).
    5. Li, Xiaoya & Xu, Bin & Tian, Hua & Shu, Gequn, 2021. "Towards a novel holistic design of organic Rankine cycle (ORC) systems operating under heat source fluctuations and intermittency," Renewable and Sustainable Energy Reviews, Elsevier, vol. 147(C).
    6. Galuppo, Francesco & Reiche, Thomas & Lemort, Vincent & Dufour, Pascal & Nadri, Madiha, 2021. "Organic Rankine Cycle based waste heat recovery modeling and control of the low pressure side using direct condensation and dedicated fans," Energy, Elsevier, vol. 216(C).
    7. Liang, Ting & Vecchi, Andrea & Knobloch, Kai & Sciacovelli, Adriano & Engelbrecht, Kurt & Li, Yongliang & Ding, Yulong, 2022. "Key components for Carnot Battery: Technology review, technical barriers and selection criteria," Renewable and Sustainable Energy Reviews, Elsevier, vol. 163(C).
    8. Rijpkema, Jelmer & Erlandsson, Olof & Andersson, Sven B. & Munch, Karin, 2022. "Exhaust waste heat recovery from a heavy-duty truck engine: Experiments and simulations," Energy, Elsevier, vol. 238(PB).
    9. Xialai Wu & Ning Zhang & Lei Xie & Wenyan Ci & Junghui Chen & Shan Lu, 2022. "Thermoeconomic Optimization Design of the ORC System Installed on a Light-Duty Vehicle for Waste Heat Recovery from Exhaust Heat," Energies, MDPI, vol. 15(12), pages 1-24, June.

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