Neetesh Kumar Gupta, Prof. Rohit Soni
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CFD ANALYSIS ON WASTE HEAT RECOVERY UTILIZING THERMO-ELECTRIC GENERATOR IN INTERNAL COMBUSTION ENGINEInternational Journal of Innovative Research in Technology( ,ISSN: 2349-6002 ,Volume 6 ,Issue 5 ,Page(s):113-119 ,October 2019 ,Available :IJIRT148692_PAPER.pdf
Waste Heat Recovery, Internal Combustion Engine, Seebeck Effect, Thermo-electric Generator, CFD, ANSYS
The internal combustion engine (ICE) does no longer correctly convert chemical energy into mechanical energy. A majority of this power is dissipated as heat within the exhaust and coolant. As opposed to directly improving the efficiency of the engine, efforts are being made to improve the efficiency of the engine circuitously by means of the use of a waste heat healing device. Appeared as a promising method of waste heat recovery, the thermoelectric generator (TEG) has been given increasing interest over the complete automotive industry for the ultimate decade. A TEG can convert otherwise wasted thermal energy from engines to strength directly for use in the car systems the usage of Seebeck effect. The Seebeck effect refers back to the voltage that is generated between the hot and cold sides of a conductor or semiconductor while a temperature distinction is maintained among them. This effect forms the idea of the thermocouple and can be employed to generate heat-to-electrical energy The present studies work is on to optimization of the design of exhaust heat exchanger via getting rid of the internal fins and converting the cross-sectional place of heat exchanger to triumph over the trouble of pressure drop. The designs of exhaust heat exchangers used in the preceding studies works recovers most heat from an engine exhaust however they have predominant problem of pressure drop or returned pressure that can stops engine functioning. Computational fluid dynamics (CFD) is used within the simulation of the exhaust gases flowing within the heat exchanger. The isothermal modelling approach is utilized in simulation procedure of the heat exchanger. The thermal simulation is finished on heat exchanger to check the surface temperature, heat transfer rate, and pressure drop in three different driving cycles (urban driving, suburban driving and max. power driving) for a vehicle with 1.2 L petrol engine. The rectangular formed heat exchanger is used in exhaust manifold of internal combustion engine (ICE) is modelled numerically to recover the lost heat from engine exhaust. The result shows that rectangular fashioned heat exchanger with steadily growing go sectional area minimizes pressure drop and gives better temperature
Article Details
Unique Paper ID: 148692

Publication Volume & Issue: Volume 6, Issue 5

Page(s): 113 - 119
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Last Date 25 January 2020

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