The chemical dynamics of hydrogen/hydrogen peroxide blends diluted with steam at compression ignition relevant conditions

Tingas, Efstathios-Al.

doi:10.1016/j.fuel.2021.120594

Cited by 18 publications

(23 citation statements)

References 165 publications

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“…Tingas showed that H 2 O 2 injection to H 2 /air mixture in a CI engine leads to a reduction in ignition delay. 35 Computational approach using single perturbation method was followed and the fundamental aspects and chemical dynamics of the fuel were ascertained. An ignition delay of 1 ms was seen with the H 2 O 2 concentration of 10% resulting in a significant reduction in NO x emissions.…”

Section: Introductionmentioning

confidence: 99%

Emulsification of waste cooking oil biodiesel blend with hydrogen peroxide to assess tailpipe emissions and performance of a compression ignition engine

Mohan

Dinesha

2022

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Hydrogen peroxide (H 2 O 2 ) is an excellent oxidant carrier that finds its use in combustion and fuel applications. In the present study, H 2 O 2 (30% assay) is used as an emulsifier in waste cooking oil biodiesel blend (B20) and the emissions and performance in a compression ignition engine are assessed. Along with the neat B20, three blends of B20 with 0.5%, 1%, and 1.5% H 2 O 2 concentrations are used. Increasing the concentration of H 2 O 2 beyond 1.5% resulted in vapor lock in the fuel pump leading to a loss in injection pressure. An increase in the exhaust gas temperature was recorded with the increase in H 2 O 2 concentration due to improved fuel properties, like, cetane number, thermal conductivity, and microexplosions of fuel droplets. However, NO x emissions decreased mainly due to the presence of the hydroperoxyl group from H 2 O 2 . Analysis of variance was also carried out to assess the statistical significance of H 2 O 2 on the responses and is seen that the maximum impact of H 2 O 2 was positively influencing brake thermal

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Section: Introductionmentioning

confidence: 99%

Emulsification of waste cooking oil biodiesel blend with hydrogen peroxide to assess tailpipe emissions and performance of a compression ignition engine

Mohan

Dinesha

2022

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“…Recently, an alternative approach was proposed: that of a hydrogen-hydrogen peroxide blend (H 2 O 2 ) [10]. The use of hydrogen peroxide as an ignition promoter is not new.…”

Section: Introductionmentioning

confidence: 99%

“…In the early work of Ref. [10] it was reported that a mere 10% (per fuel volume) addition of H 2 O 2 in H 2 /air mixtures at homogeneous adiabatic and engine relevant conditions can lead to ignition delay times relevant to CI engines. The approach was also complemented by the addition of steam where it was showcased a spectacular decrease of NOx emissions, while the ignition delay time was weakly affected and remained relevant to a CI engine operation.…”

Section: Introductionmentioning

confidence: 99%

“…The work of Ref. [10] further examined the key chemical mechanisms related to the ignition delay time and NOx emissions. The analysis of the chemical dynamics and the identification of the key chemical pathways was performed on the basis of mathematical tools from the computational singular perturbation (CSP) approach [25][26][27][28].…”

Section: Introductionmentioning

confidence: 99%

“…[38,39] The current study is a continuation of the earlier work reported in Ref. [10] and aims to investigate the effect of hydrogen peroxide addition on the flame structure, laminar flame speed and NOx emissions, in the context of one-dimensional (1D) freely propagating premixed laminar flames. The reported findings and the drawn conclusions herein aim to explore further the potential and the limitations of the proposed technology.…”

Section: Introductionmentioning

confidence: 99%

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