Article

Received 25.09.2021

Revised 14.01.2022

Accepted 15.02.2022

Retrieved from Vol. 26, No. 1, 2022

Pages 363 -372

Trifonov, D., Syrota, O., Shuba, Y., & Merzhyievska, L. (2022). Power supply for starting a cold internal combustion engine using a thermoelectric generator. The National Transport University Bulletin, 26(1), 363-372. https://doi.org/10.33744/2308-6645-2022-1-51-363-372

Power supply for starting a cold internal combustion engine using a thermoelectric generator

D. Trifonov O. Syrota Y. Shuba L. Merzhyievska

Based on the analysis of the energy capabilities of the electric starter system for starting an internal combustion engine at low ambient temperatures, it was found that this process is significantly affected by the temperature of the battery electrolyte and the degree of its charge. A technical solution has been proposed to improve the start of a cold engine, which during operation allows maintaining the optimum temperature of the battery during storage of the car at low temperatures. The description and principle of operation of the proposed system are presented. Experimental studies of the efficiency of the developed power supply system for starting a cold internal combustion engine have been carried out. The object of experimental research is the power supply system for starting a cold internal combustion engine based on a phase transition heat accumulator and a thermoelectric generator. The purpose of the work is to study the performance of a thermoelectric system to maintain the optimal temperature of the storage battery at low ambient temperatures. The research method is experimental. According to the results of functional tests of a thermoelectric system with a phase transition heat accumulator, it was found that at an ambient temperature of about 1.5 ºC, the time for lowering the temperature of the TAFP surface from 116ºС to 65ºС was about 320 min. The proposed technical solution makes it possible to generate electrical energy, both during the operation of the internal combustion engine, and for a rather long time after the end of its operation cycle due to the accumulated part of the thermal energy of the exhaust gases in the phase transition heat accumulator.

 

thermoelectric generator; exhaust gas heat recovery; phase change heat accumulator; cold engine start; starter battery
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https://doi.org/10.33744/2308-6645-2022-1-51-363-372