Effect of hydrogen peroxide additive on the combustion and emission characteristics of an n-butanol homogeneous charge compression ignition engine

Zhou, Ao; Zhang, Chunhua; Li, Yangyang; Li, Songfeng; Yin, Peng

doi:10.1016/j.energy.2018.12.076

Cited by 28 publications

(13 citation statements)

References 17 publications

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“…Under the same λ, P max and HRR max of four fuels increase first and then decrease as gasoline blending ratio increases. The results of pure n-butanol in the experiment are consistent with previous publications 2, 23,34 . When T in is 120 ℃, λ is 2.5, and n is 1200 r/min, the in-cylinder pressure and HRR of B100 are close to the results in references 23 .…”

Section: Resultssupporting

confidence: 92%

“…The results of pure n-butanol in the experiment are consistent with previous publications 2, 23,34 . When T in is 120 ℃, λ is 2.5, and n is 1200 r/min, the in-cylinder pressure and HRR of B100 are close to the results in references 23 . When the addition ratio of gasoline in the blend is 10%, P max and HRR max reach the maximum values.…”

Section: Resultssupporting

confidence: 92%

“…Zhou et al 23 studied the effect of H 2 O 2 on the performance of n-butanol HCCI engine at low and medium loads. The results showed that the addition of additive H 2 O 2 to n-butanol could promote the formation of OH and HO 2 radicals in low-temperature oxidation reaction stage, and significantly affected the performance of the HCCI engine.…”

Section: Introductionmentioning

confidence: 99%

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Effect of gasoline additive on combustion and emission characteristics of an n-butanol Partially Premixed Compression Ignition engine under different parameters

Liu

Zhang

et al. 2021

Sci Rep

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The experiments were conducted on a modified two-cylinder diesel engine to investigate the effects of excess-air coefficient (λ) and intake temperature (Tin) of different blending ratios (volume ratio of gasoline in the blends) on the combustion and emission characteristics of a Partially Premixed Compression Ignition (PPCI) engine. The results show that with the increase of gasoline blending ratio, the peak in-cylinder pressure (Pmax), the peak in-cylinder temperature (Tmax) and the peak heat release rate (HRRmax) of four test fuels all increase first and then decrease. When gasoline volume fraction is 10%, HC and CO emissions are the lowest. In addition, intake temperature (Tin) has a significant effect on the n-butanol/gasoline PPCI engine. With the increase of Tin, the in-cylinder Pmax and HRRmax of four test fuels gradually increase, the combustion phase advances and HC and CO emissions decrease, while NOx emissions increase slightly. Furthermore, as λ increases, the Pmax, Tmax and HRRmax of the four test fuels show monotonously reducing trend. At the same time, mixture concentration has basically no effect on start of combustion (CA10), the combustion duration (CD) gradually extends, and HC and CO emissions increase.

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Section: Resultssupporting

confidence: 92%

Section: Resultssupporting

confidence: 92%

Section: Introductionmentioning

confidence: 99%

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Effect of gasoline additive on combustion and emission characteristics of an n-butanol Partially Premixed Compression Ignition engine under different parameters

Liu

Zhang

et al. 2021

Sci Rep

Self Cite

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“…Fatty alcohols have hydroxyl groups attached to the aliphatic chain. Short-chain alcohols, such as 1-propanol and 1-butanol, can be used as gasoline or fuel additives ( Guo et al, 2019 ; Zhou et al, 2019 ). Alcohols with a chain length of C8–C10 are important materials to produce detergents, lubricants, cosmetics, pharmaceuticals, and plastics.…”

Section: Types and Applications Of Fatty Acid-derived Chemicalsmentioning

confidence: 99%

Opportunities and Challenges for Microbial Synthesis of Fatty Acid-Derived Chemicals (FACs)

Liu

Benitez

Chen

et al. 2021

Front. Bioeng. Biotechnol.

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Global warming and uneven distribution of fossil fuels worldwide concerns have spurred the development of alternative, renewable, sustainable, and environmentally friendly resources. From an engineering perspective, biosynthesis of fatty acid-derived chemicals (FACs) is an attractive and promising solution to produce chemicals from abundant renewable feedstocks and carbon dioxide in microbial chassis. However, several factors limit the viability of this process. This review first summarizes the types of FACs and their widely applications. Next, we take a deep look into the microbial platform to produce FACs, give an outlook for the platform development. Then we discuss the bottlenecks in metabolic pathways and supply possible solutions correspondingly. Finally, we highlight the most recent advances in the fast-growing model-based strain design for FACs biosynthesis.

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“…In view of this previous research, the results have shown that the current research on hydrogen–n-butanol engines mainly focuses on hydrogen intake injection and that the experiments were carried out using only limited variables and under almost stoichiometric conditions [ 32 , 33 , 34 ]. In addition, existing studies have shown that the performance of n-butanol engines is not satisfactory under lean burn conditions [ 35 , 36 , 37 ]. Therefore, it is very important to explore the potential of hydrogen in improving the performance of n-butanol engines under lean burn conditions.…”

Section: Introductionmentioning

confidence: 99%

An Experimental Study on Combustion and Cycle-by-Cycle Variations of an N-Butanol Engine with Hydrogen Direct Injection under Lean Burn Conditions

Shang

Shi

et al. 2022

Sensors

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This study experimentally investigated the effects of hydrogen direct injection on combustion and the cycle-by-cycle variations in a spark ignition n-butanol engine under lean burn conditions. For this purpose, a spark ignition engine installed with a hydrogen and n-butanol dual fuel injection system was specially developed. Experiments were conducted at four excess air ratios, four hydrogen fractions(φ(𝐻2)) and pure n-butanol. Engine speed and intake manifold absolute pressure (MAP) were kept at 1500 r/min and 43 kPa, respectively. The results indicate that the θ0–10 and θ10–90 decreased gradually with the increase in hydrogen fraction. Additionally, the indicated mean effective pressure (IMEP), the peak cylinder pressure (Pmax) and the maximum rate of pressure rise ((dP/dφ)max) increased gradually, while their cycle-by-cycle variations decreased with the increase in hydrogen fraction. In addition, the correlation between the (dP/dφ)max and its corresponding crank angle became weak with the increase in the excess air coefficient (λ), which tends to be strongly correlated with the increase in hydrogen fraction. The coefficient of variation of the Pmax and the IMEP increased with the increase in λ, while they decreased obviously after blending in the hydrogen under lean burn conditions. Furthermore, when λ was 1.0, a 5% hydrogen fraction improved the cycle-by-cycle variations most significantly. While a larger hydrogen fraction is needed to achieve the excellent combustion characteristics under lean burn conditions, hydrogen direct injection can promote combustion process and is beneficial for enhancing stable combustion and reducing the cycle-by-cycle variations.

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Effect of hydrogen peroxide additive on the combustion and emission characteristics of an n-butanol homogeneous charge compression ignition engine

Cited by 28 publications

References 17 publications

Effect of gasoline additive on combustion and emission characteristics of an n-butanol Partially Premixed Compression Ignition engine under different parameters

Effect of gasoline additive on combustion and emission characteristics of an n-butanol Partially Premixed Compression Ignition engine under different parameters

Opportunities and Challenges for Microbial Synthesis of Fatty Acid-Derived Chemicals (FACs)

An Experimental Study on Combustion and Cycle-by-Cycle Variations of an N-Butanol Engine with Hydrogen Direct Injection under Lean Burn Conditions

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