Effect of electromagnet-based fuel-reforming system on high-viscous and low-viscous biofuel fueled in heavy-duty CI engine

Thiyagarajan, S.; Sonthalia, Ankit; Ashok, B.; Nanthagopal, K.; Karthickeyan, V.; Dhinesh, B.

doi:10.1007/s10973-019-08123-w

Cited by 39 publications

(6 citation statements)

References 33 publications

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“…The poor atomization of the blended fuel could be due to biodiesel's higher viscosity than diesel. After the mixing of hot gas with the large droplets, the oxidation of CO remains incomplete due to a short residence period at the end of the working stroke 60 . CO emission is low for both HSB and TRB at different FIPs due to the carbonless structure of hydrogen and the ample availability of oxygen in biodiesel.…”

Section: Resultsmentioning

confidence: 99%

“…After the mixing of hot gas with the large droplets, the oxidation of CO remains incomplete due to a short residence period at the end of the working stroke. 60 CO emission is low for both HSB and TRB at different FIPs due to the carbonless structure of hydrogen and the ample availability of oxygen in biodiesel. In addition, the perfect blend of the air/fuel ratio reduces CO emissions and better combustion when the opening FIP is increased to FIP of 220 bar.…”

Section: T (Ms)mentioning

confidence: 99%

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Optimization of hydrogen‐enriched diesel/n‐Amyl alcohol‐fueled engine to meet emission standards through varying nozzle opening pressure and static injection timing

et al. 2021

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Important injection parameters such as fuel injection timing (FIT) and fuel injection pressure (FIP) on different piston bowl geometries substantially impact the performance, emissions, and combustion characteristics of a common rail direct injection engine. The aim of this study deals with the effects of piston bowl geometry (hemispherical bowl [HSB], troded bowl [TRB], and re‐entrant bowl [REB]), FIP (200, 220, and 240 bar), and variable FIT (20, 24, and 28°bTDC) with hydrogen‐diesel/1‐pentanol (B20) (80% diesel and 20% pentanol) with a constant flow rate of hydrogen at 12 Lpm. Furthermore, to decrease emission standards and energy consumption, biodiesel and hydrogen are the ideal substitutes for conventional fuels. REB outperforms HSB and TRB in terms of brake thermal efficiency (5.67%) and hydrocarbon (8% reduction), increasing the FIP at full load (240 bar). However, with the increase in the FIP in the REB, a slight reduction in nitrogen oxide (NOx) emissions (2%) is observed. With an increase in FIP in the case of REB, net heat release rate, peak pressure (in‐cylinder), and rate of pressure rise all rise significantly by 3.4%, 4.2%, and 2.3%. NOx emissions are marginally enhanced with higher FIP and advanced FIT. It is found that changing the piston shape and FIP simultaneously is a potential alternative for improving engine performance and lowering emissions.

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Section: Resultsmentioning

confidence: 99%

Section: T (Ms)mentioning

confidence: 99%

Optimization of hydrogen‐enriched diesel/n‐Amyl alcohol‐fueled engine to meet emission standards through varying nozzle opening pressure and static injection timing

et al. 2021

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“…The combustion duration of the biodiesel-containing mix was found to be longer than that of the non-biodiesel-containing blends. Thiayagarajan et al [50] discovered that the biodiesel mixed test sample had a longer combustion duration. The second combustion phase of the engine running on a biodiesel blend produced heat at a slower rate than an engine running on a non-biodiesel blend, as illustrated in Figure 2.…”

Section: Combustion Characteristicsmentioning

confidence: 99%

Performance Improvement and Emission Reduction Potential of Blends of Hydrotreated Used Cooking Oil, Biodiesel and Diesel in a Compression Ignition Engine

Sonthalia,

Kumar

2023

Energies

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The positive effect of decarbonizing the transport sector by using bio-based fuels is high. Currently, biodiesel and ethanol are the two biofuels that are blended with fossil fuels. Another technology, namely, hydroprocessing, is also gaining momentum for producing biofuels. Hydrotreated vegetable oil (HVO) produced using this process is a potential drop-in fuel due to its improved physiochemical properties. This study aimed to reduce the fossil diesel content by blending 20% and 30% HVO and 5%, 10% and 15% waste cooking oil biodiesel on a volume basis. The blends were used to conduct a thorough performance examination of a single-cylinder compression ignition engine. The thermal efficiency of the engine was enhanced by the addition of biodiesel to the blend. The efficiency increased as the proportion of biodiesel in the mix increased, although it was still less efficient than diesel. The maximum improvement in thermal efficiency of 4.35% was observed with 20% blending of HVO and 15% blending of biodiesel compared with 20% blending of HVO and diesel. However, the HC (decrease of 30%), CO (decrease of 23.5%) and smoke (decrease of 21.1%) emissions were observed to be the lowest with 30% blending of HVO and 15% blending of biodiesel. A fuzzy-logic-based Taguchi method and Grey’s method were then applied to find the best blend of HVO, biodiesel and diesel. The combination of the two methods made it easier to carry out multi-objective optimization. The brake thermal efficiency (BTE), smoke and NO emissions were selected as the output parameters to optimize the HVO and biodiesel blend. The optimization study showed that 30% blending of HVO and 15% blending of biodiesel was the best blend, which was authenticated using the confirmation experiment.

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“…On the other side, many low viscous biofuels such as pine oil (Thiyagarajan et al 2019), turpentine oil (Dubey and Gupta 2017;Saijaideep et al 2020) , lemongrass oil , orange oil (Ashok et al 2019), lemon peel oil (Ashok et al 2018), camphor oil (Venkatesan et al 2018;Ashok et al 2019) , eucalyptus oil (Senthur and Ravikumar 2018) were concentrated much in the last decade. In spite of lowering the viscosity, the aforementioned fuels are not found to be a suitable substitute for diesel due to their low cetane number.…”

Section: Introductionmentioning

confidence: 99%

Numerical and experimental investigation of exergy, performance, emissions, combustion characteristics, and cyclic variations of CI engine fueled Karanja oil blended camphor oil and diesel blended camphor oil.

Gurusamy,

Subramaniyan,

Ponnusamy

2023

Preprint

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This article compares the influence of the blending the low-viscous oxygenated camphor oil with hydrocarbon diesel fuel and high viscous oxygenated Karanja oil. The experiment is conducted in a four-stroke 1-cylinder naturally aspirated Kirloskar compression ignition (CI) engine coupled with an eddy current dynamometer. The three types of fuel blends are prepared by blending the camphor oil with Karanja oil on the volume ratio of 30:70 (C30K70), 50:50 (C50K50), and 70:30 (C70K30), and the other three types of fuels are prepared by blending the camphor oil with diesel on the volume ratio of 30:70 (C30D70), 50:50 (C50D50), and 70:30 (C70D30). The results reveal improvement in the engine performance characteristics of the brake thermal efficiency and brake specific energy consumptions due to the blending of camphor oil either with hydrocarbon diesel fuel or Karanja oil. Further, it also reduces the CO, HC, and smoke emissions with an increase in NO and CO2 emissions. The rate of pressure rise, net heat release rate and cyclic irregularities found to increase with increase in proportion of the camphor oil. The P-v diagram also confirms the lower heat addition period for the C70D30 and C70K30 with an increase in brake thermal efficiency. The actual compression ratio and the actual cut-off ratio are found to have a reasonable correlation with the thermal efficiency of the engine. Second-order polynomial equations were obtained for the engine characteristics using the Curve fitting method, and the characteristic equations confirmed the confidence level of 95%.

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Effect of electromagnet-based fuel-reforming system on high-viscous and low-viscous biofuel fueled in heavy-duty CI engine

Cited by 39 publications

References 33 publications

Optimization of hydrogen‐enriched diesel/n‐Amyl alcohol‐fueled engine to meet emission standards through varying nozzle opening pressure and static injection timing

Optimization of hydrogen‐enriched diesel/n‐Amyl alcohol‐fueled engine to meet emission standards through varying nozzle opening pressure and static injection timing

Performance Improvement and Emission Reduction Potential of Blends of Hydrotreated Used Cooking Oil, Biodiesel and Diesel in a Compression Ignition Engine

Numerical and experimental investigation of exergy, performance, emissions, combustion characteristics, and cyclic variations of CI engine fueled Karanja oil blended camphor oil and diesel blended camphor oil.

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