Energy recovery device for the internal combustion engine

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Authors:

B.М.Politykin, Dr. Sc. (Tech.), Prof., State Higher Educational Institution “Admiral Makarov National University of Shipbuilding”, Mykolayiv, Ukraine, e-mail: This email address is being protected from spambots. You need JavaScript enabled to view it.

O.D.Shtanko, Cand. Sc. (Phys.-Math.), Assoc. Prof., State Higher Educational Institution “Admiral Makarov National University of Shipbuilding”, Mykolayiv, Ukraine, e-mail: This email address is being protected from spambots. You need JavaScript enabled to view it.

M.B.Litvinova, Cand. Sc. (Phys.-Math.), Assoc. Prof., State Higher Educational Institution “Admiral Makarov National University of Shipbuilding”, Mykolayiv, Ukraine, e-mail: This email address is being protected from spambots. You need JavaScript enabled to view it.

S.O.Karpovа, State Higher Educational Institution “Admiral Makarov National University of Shipbuilding”, Mykolayiv, Ukraine, e-mail: This email address is being protected from spambots. You need JavaScript enabled to view it.

Abstract:

Purpose. The purpose of the work is to develop an effective device for utilization of exhaust gas heat energy of the gasoline Internal Combustion Engine (ICE) that meets the design of current car models; to create an appropriate model and analytical calculations of the basic parameters of the thermoelectric generator that runs on exhaust gas heat energy substantiating the possibility of electric power generation in amount sufficient to replace the existing electromechanical car generator.

Methodology. Physical and mathematical modeling of the processes of heat transfer and generation of electric energy in thermoelectric generators was used.

Findings. A physical analysis of the heat backflow process from the flow of exhaust gas in a generator pipeline and defined the principle of calculations of the basic parameters has been provided. A mathematical model of heat transfer in the pipeline block thermoelectric generator has been developed. A program using Wolfram Mathematica software has been created and the relevant parameters for each block with different loads of ICE have been calculated. A possibility of creating a device for the recovery of fuel energy emitted from the car ICE has been substantiated. The correspondent device is a thermoelectric generator consisting of blocks using the exhaust gas heat. We proposed an air cooling process to reach the optimum conversion efficiency. The possibility to generate up to 1 kW of electrical power has been proven.

Originality. An innovative exhaust gas energy recovery device for existing vehicle models was developed. For the first time the division of the thermoelectric generator into three units operating as separate thermoelectric generator as well as insertion of special hollow cylinder in a gas flow were proposed and substantiated. The cylinder has lengthwise ribbing on a surface to improve the heat transfer by thermal radiation.

Practical value. The proposed thermoelectric generator allows replacing the electromechanical car generator using a process of excess energy recovery. The energy saved as a result of recovery is at least 2 % in terms of fuel consumed which is important from both economic and environmental perspective.

References.

1. Kumar, S., Heister, S.D., Xu, Salvador, and Meisner Kumar, Heister, Xu, Salvador, Meisner G.P., 2013. The Thermoelectric Generators for Automotive Waste Heat Recovery Systems Part I: Numerical Modeling and Baseline Model Analysis. Journal of Electronic Materials, 42(4), pp. 665–674.

2. Gregory, P., 2011. Meisner Advanced Thermoelectric Materials and Generator Technology for Automotive Waste Heat at GM. In: USA, Thermoelectric Research and Development Projects at GM Global R&D, Thermoelectrics Applications Workshop, USA, 3‒6 January, 2011, Hotel Del Coronado.

3. Mikhailovsky, V.J. and Belinsky-Slotylo, V.R., 2013. Two-stage modules based on SiGe and Bi2Te3 for thermoelectric generators. Technology and designing in the electronic equipment, 2‒3, pp. 39‒42.

4. Kumar, S. Heister, X. Xu, Salvador, J. and Meisner, P., 2013. Thermoelectric Generators for Automotive Waste Heat Recovery Systems Part I: Numerical Modeling and Baseline Model Analysis. Journal of Electronic Materials, 42(4), pp. 665‒675.

5. Groshev, I. and Poluhin, I., 2014. Samarium sulfide and the latest developments on the basis thereof. Components and technologies, 8, pp. 126‒132.

6. Anatychuk, L.I., Kuz, R.V. and Rozver, Y.Y., 2012. Efficiency of thermoelectric recuperators of the exhaust gas energy of internal combustion engines. In: 9th European Conference on Thermoelectrics (ECT’11). http://dx.doi.org/10.1063/1.4731607.

7. Anatychuk, L.I. 2014. Influence of air cooling on the efficiency of the sectional thermoelectric generator for a vehicle with a gasoline engine. Thermoelectricity, 5, pp. 48‒54 .

8. Janov, C., 2014. The thermal efficiency of steam boilers. Moscow: Foreign literature.

9. Kushch, A.S. and Bass, J.C., 2011. Thermoelectric development Hi-Z technology. In: Proc. of XX International Conference on Thermoelectrics, China: Beijing, 2011. http:/www/osti.gov/scitech/servlets/purl/826274.

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ISSN (print) 2071-2227,
ISSN (online) 2223-2362.
Journal was registered by Ministry of Justice of Ukraine.
Registration number КВ No.17742-6592PR dated April 27, 2011.

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