Effect of engine exhaust gas pulsations on the performance of a thermoelectric generator for wasted heat recovery: An experimental and analytical investigation

Eddine, Ali Nour; Chalet, David; Faure, Xavier; Aixala, L.; Chessé, Pascal

doi:10.1016/j.energy.2018.08.065

Cited by 39 publications

(7 citation statements)

References 22 publications

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“…Using thermo-electric generators (TEG) to run the HHO unit by WHR for our system could be a favorable and promising option due to the simplicity, low cost and light weight (41). Based on the previous reports (42,43), the TEG efficiency is about 30% showing a great potential to be used in HHO generation during idling condition.…”

Section: Introductionmentioning

confidence: 97%

Novel hybrid system of pulsed HHO generator/TEG waste heat recovery for CO reduction of a gasoline engine

Salek

Zamen

Hosseini

et al. 2020

International Journal of Hydrogen Energy

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Environmental crisis requires using cleaner energy sources for different sectors including the transportation. Hydrogen can support the transition of the automotive industry from petrol and diesel into a sustainable fuel. It could be the main source of energy or the auxiliary fuel in vehicles. As an auxiliary fuel, it has recently been considered in hydroxyl (HHO) form for reducing the emissions from transportation fleet. In this study, an HHO generator with the optimum power consumption was utilised for HHO injection into the intake manifold of a petrol engine as the case study. High concentration of CO is expected to be produced during idling, so the experiments were designed to inject ultra-low HHO for reducing CO emissions. The results were very promising, and it was shown that the CO emission could be reduced by about 98%. Furthermore, a novel design was developed based on the concept of waste heat recovery (WHR) for powering the HHO unit. Engine was simulated in AVL software to design a thermoelectric generators (TEG) for running the HHO unit. Based on the results, TEG can provide the energy required for HHO unit as the energy output of the TEG was between 91 kJ to 169 kJ for the case study while the energy consumption of the proposed HHO generator was just about a Vibe parameter ∝ SubscriptsCrank shaft angle (degree)

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Section: Introductionmentioning

confidence: 97%

Novel hybrid system of pulsed HHO generator/TEG waste heat recovery for CO reduction of a gasoline engine

Salek

Zamen

Hosseini

et al. 2020

International Journal of Hydrogen Energy

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“…Moreover, in 2004, an efficient thermoelectric power generation system was built by Bell Solid-State Thermoelectric (BSST) including Marlow industries, Visteon, and BMW to recuperate waste thermal energy in passenger vehicles [27]. A. Nour Eddin et al [32] conducted experimental research on the pulsation effect of an engine's exhaust gas on the output of a thermoelectric generator. Work shows that an internal combustion engine with a power of 50 KW will produce 1 KW of electrical power if it recovers 2% of its waste thermal energy, which is sufficient to remove the alternator of that engine [12].…”

Section: Introductionmentioning

confidence: 99%

Thermoelectric waste heat recovery of an automotive internal combustion engine using (Na, K) co-doped polycrystalline tin selenide (SnSe)

et al. 2021

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Recent developments in converting the thermal energy of exhaust gasses of automobiles into electric power directly, require an extensive simulation and design of appropriate thermoelectric generation system. This work aims to create a physical model of engine exhaust system using Simscape language to simulate waste heat recovery from the exhaust gasses using (Na, K) co-doped polycrystalline tin selenide (SnSe) thermoelectric material. This particular material exhibits a high Seebeck coefficient and extremely low lattice thermal conductivity in power generation because of phonons scattering by the rattlers (Na, K atoms) and Nano-structuring. In the MATLAB/Simulink environment, a transient simulation is done for the recovery of waste heat from a 1.5 liters engine using these specific material-based thermoelectric modules. According to the results obtained, at the temperature gradient of 285 K across its sides, electrical power of 10.4 watts with a conversion efficiency of almost 5 percent is produced from one module. The total system output power was 477 watts at the exhaust gas inlet temperature of 900 K to the octagonal heat exchanger on which the modules are mounted.

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“…Eddine ve ark. [20] motorun çalışması sırasında termoelektrik jeneratörün davranışını ve motor akış özelliklerinin termoelektrik jeneratör performansı üzerindeki etkisini incelediler. Nithyanandam ve Mahajan [21] termoelektrik jeneratörleri kullanarak egzoz sistemlerinden yayılan ısıyı verimli bir şekilde toplama ve elektriğe dönüştürme konusunda çalışmışlardır.…”

Section: Introductionunclassified

Bi̇r Termoelektri̇k Jeneratör Si̇stemi̇ni̇n Isi Alicisinin Isil Performansina Farkli Diş Ortam Sicakliklarinin Etki̇si̇

Gürcan

Yakar

2021

Adıyaman Üniversitesi Mühendislik Bilimleri Dergisi

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Bu çalışmada turboşarjlı bir traktörün turbo şarj kompresörü ile ara soğutucusu arasına yerleştirilmek üzere bir termoelektrik jeneratörlü bir geri kazanım sistemi tasarlanmış, farklı dış ortam sıcaklıkları için geri kazanım sisteminin dış ortama verdiği maksimum ısı miktarı ve kanat yüzey verimleri Matlab programı kullanılarak hesaplanmıştır. Mevcut literatürde otomobillerin termoelektrik jeneratörlerinde egzoz gazlarının ısıl enerjisi kullanılırken, bu çalışmada alternatif olarak termoelektrik jeneratörde kompresördeki basınçlı havanın ısıl enerjisi kullanılmıştır. Termoelektrik jeneratör sisteminin turboşarjlı traktörün kompresörü ile ara soğutucusu arasına yerleştirilmesi, sistemde elektrik gücü sağlamasının yanı sıra ara soğutucuya giren havanın daha düşük bir sıcaklıkta olmasını sağlamıştır ki bu da turboşarjlı traktörün motor veriminin artması için önemlidir. Dış ortam sıcaklığındaki artışla maksimum ısı transferi ve ısı taşınım katsayısının azaldığı tespit edilmiştir. Buna ilave olarak ısı alıcılarının kanatlı yüzey verimliliğinin dış ortam sıcaklığı ile arttığı belirlenmiştir. 268 K sıcaklığında gerçekleşen maksimum ısı transferinin 303 K sıcaklığına göre yaklaşık olarak %9.3 artış gösterdiği bulunmuştur. Ancak 303 K sıcaklığındaki kanatlı yüzey veriminin ise 268 K sıcaklığına göre yaklaşık olarak %1.3 daha yüksek olduğu tespit edilmiştir.

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Effect of engine exhaust gas pulsations on the performance of a thermoelectric generator for wasted heat recovery: An experimental and analytical investigation

Cited by 39 publications

References 22 publications

Novel hybrid system of pulsed HHO generator/TEG waste heat recovery for CO reduction of a gasoline engine

Novel hybrid system of pulsed HHO generator/TEG waste heat recovery for CO reduction of a gasoline engine

Thermoelectric waste heat recovery of an automotive internal combustion engine using (Na, K) co-doped polycrystalline tin selenide (SnSe)

Bi̇r Termoelektri̇k Jeneratör Si̇stemi̇ni̇n Isi Alicisinin Isil Performansina Farkli Diş Ortam Sicakliklarinin Etki̇si̇

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