A review of bio-fuelled LHR engines

Pandey, Kiran; Murugan, S.

doi:10.1080/01430750.2020.1712254

Cited by 10 publications

(4 citation statements)

References 110 publications

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“…Therefore, most researchers have diminished the HRR by coated valves, cylinder heads, and cylinder liners. Moreover, an increase in the peak in-cylinder pressure and EGT have been recorded [349].…”

Section: Adiabatic Ic Enginesmentioning

confidence: 93%

“…It was employed on a diesel engine piston and revealed an increment in thermal efficiency [416]. In conclusion, various material coatings on combustion and emissions performance of diesel engines when adopting biofuels are discussed recently by Pandey and Murugan [349]. Moreover, the The coated piston by YSZ with a thickness of 0.325 mm and surface roughness (Ra) of 6 micrometers showed an increment in the GIE up to about 3.5% compared with the uncoated piston under the same operating conditions [415].…”

Section: Adiabatic Ic Enginesmentioning

confidence: 93%

“…As mentioned early, the BTE of IC engines is still about 42-43, which is mainly due to heat loss. To prevent heat loss, the LHRE technology can be adopted, and it has been concentrated on for many years [349]. The main advantage of diesel engine heat insulation is improving thermal efficiency and reducing the cooling system.…”

Section: Adiabatic Ic Enginesmentioning

confidence: 99%

“…It was employed on a diesel engine piston and revealed an increment in thermal efficiency [416]. In conclusion, various material coatings on combustion and emissions performance of diesel engines when adopting biofuels are discussed recently by Pandey and Murugan [349]. Moreover, the possibility of various kinds of biofuels with different coating materials has been reviewed.…”

Section: Adiabatic Ic Enginesmentioning

confidence: 99%

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Improving Thermal Efficiency of Internal Combustion Engines: Recent Progress and Remaining Challenges

2022

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Improving thermal efficiency and reducing carbon emissions are the permanent themes for internal combustion (IC) engines. In the past decades, various advanced strategies have been proposed to achieve higher efficiency and cleaner combustion with the increasingly stringent fuel economy and emission regulations. This article reviews the recent progress in the improvement of thermal efficiency of IC engines and provides a comprehensive summary of the latest research on thermal efficiency from aspects of thermodynamic cycles, gas exchange systems, advanced combustion strategies, and thermal and energy management. Meanwhile, the remaining challenges in different modules are also discussed. It shows that with the development of advanced technologies, it is highly positive to achieve 55% and even over 60% in effective thermal efficiency for IC engines. However, different technologies such as hybrid thermal cycles, variable intake systems, extreme condition combustion (manifesting low temperature, high pressure, and lean burning), and effective thermal and energy management are suggested to be closely integrated into the whole powertrains with highly developed electrification and intelligence.

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Section: Adiabatic Ic Enginesmentioning

confidence: 93%

Section: Adiabatic Ic Enginesmentioning

confidence: 93%

Section: Adiabatic Ic Enginesmentioning

confidence: 99%

“…It was employed on a diesel engine piston and revealed an increment in thermal efficiency [416]. In conclusion, various material coatings on combustion and emissions performance of diesel engines when adopting biofuels are discussed recently by Pandey and Murugan [349]. Moreover, the possibility of various kinds of biofuels with different coating materials has been reviewed.…”

Section: Adiabatic Ic Enginesmentioning

confidence: 99%

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Improving Thermal Efficiency of Internal Combustion Engines: Recent Progress and Remaining Challenges

2022

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Investigation of low heat rejection diesel engine run on N,N′‐diphenyl‐p‐phenylenediamine antioxidant doped Jatropha methyl ester‐diesel blend

Pandey

Murugan

2022

Env Prog and Sustain Energy

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Low heat rejection (LHR) diesel engines help increase engine performance and reduce engine emissions, but they increase air‐polluting nitrogen oxide (NOx) emissions. Different types of antioxidants or additives can be added to fuels to reduce NOx emissions and improve engine performance. In this investigation, N,N′‐diphenyl‐p‐phenylenediamine (DPPD) is used as an antioxidant. Different concentrations of DPPD namely, 500, 1000, 1500, and 2000 ppm are mixed with Jatropha Methyl Ester (JME)‐diesel blend (JME20), and the fuels are tested in an engine fitted with a TBC piston. The piston crown is coated using a mixture of Yttria‐stabilized zirconia (YSZ) and cerium oxide (CeO2) with a coating thickness of 0.3 mm. The novelty of this research work is the comprehensive assessment of the engine characteristics of an LHR diesel engine run on a synthetic antioxidant‐doped biodiesel‐diesel blend. Results indicate that the peak heat release rate (HRR) and the peak cylinder pressure are lesser by about 5.6% and 5.1% for JME20B4, respectively, at maximum engine load, in the coated engine (CE). The nitric oxide (NO), hydrocarbon (HC), and carbon monoxide (CO) emissions are reduced by about 6.5%, 17.4%, and 34.6%, respectively, at full load for the JME20B4 fueled LHR diesel engine. Smoke opacity decreases up to 15.3% in the coated diesel engine fueled with JME20B4 at full load.

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Effect of Pongamia pinnata leaves extracted natural antioxidant doped in biodiesel–diesel blend run low heat rejection engine

Pandey

Murugan

2023

Int. J. Environ. Sci. Technol.

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A review of bio-fuelled LHR engines

Cited by 10 publications

References 110 publications

Improving Thermal Efficiency of Internal Combustion Engines: Recent Progress and Remaining Challenges

Improving Thermal Efficiency of Internal Combustion Engines: Recent Progress and Remaining Challenges

Investigation of low heat rejection diesel engine run on N,N′‐diphenyl‐p‐phenylenediamine antioxidant doped Jatropha methyl ester‐diesel blend

Effect of Pongamia pinnata leaves extracted natural antioxidant doped in biodiesel–diesel blend run low heat rejection engine

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