A sneak peek into the phenomenology of fuel mist explosions: The key role of vapor fractions

El-Zahlanieh, Stephanie; Jean, Amélie; Vignes, Alexis; Dufaud, Olivier

doi:10.1016/j.jlp.2023.105029

Cited by 5 publications

(2 citation statements)

References 32 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Furthermore, it has demonstrated remarkable potential as a high-performance fuel additive for internal combustion engines . However, the widespread adoption of n -decane as an energy carrier is impeded by critical safety concerns that necessitate resolution before achieving social acceptance. − This fuel’s production, handling, transportation, and storage tail inherent explosion hazards that demand meticulous attention and adequate mitigation measures. − Instances such as fuel spray resulting from broken pipelines or containers have the potential to induce severe accidents, including fires, explosions, and the deflagration to detonation transition (DDT) phenomenon. − …”

Section: Introductionmentioning

confidence: 99%

Experimental Study on the Explosion Parameters of n-Decane Aerosol under Saturated Vapor Pressure

Wang,

Liu,

2024

ACS Omega

View full text Add to dashboard Cite

This research aims to conduct a comprehensive investigation and analysis of the effects of particle size and concentration on crucial explosion parameters in n-decane aerosols. Two sets of n-decane aerosols with different concentrations were initially measured, with Sauter mean diameters of 22 and 38 μm, respectively. These measurements served as the foundation for understanding the impact of the particle size on explosion parameters. Subsequently, experiments were performed on n-decane aerosols with various concentrations, utilizing an ignition energy of 40.32 J. The analysis focused on critical explosion parameters including the lower flammability limit, explosion pressure, explosion temperature, and flame propagation delay time. Through thorough examination of the data obtained from these experiments, the research elucidated the relationship between n-decane concentration, particle size, and these explosion parameters.

show abstract

Section: Introductionmentioning

confidence: 99%

Experimental Study on the Explosion Parameters of n-Decane Aerosol under Saturated Vapor Pressure

Wang,

Liu,

2024

ACS Omega

View full text Add to dashboard Cite

show abstract

“…A thermally generated mist forms at sufficiently high temperatures [58][59][60] when the evaporating oil mixes with air and circulates in a closed volume inside the crankcase [61]. It condenses to form an aerosol at temperatures below the evaporation temperature [62].…”

Section: Introductionmentioning

confidence: 99%

Particles Morphology of Mechanically Generated Oil Mist Mixtures of SAE 40 Grade Lubricating Oil with Diesel Oil in the Context of Explosion Risk in the Crankcase of a Marine Engine

et al. 2023

View full text Add to dashboard Cite

This article presents research results on mechanically generated oil mists. The research was carried out for oil mixtures for the Agip/Eni Cladium 120 SAE 40 API CF oil for industrial and marine engines diluted with diesel oil Orlen Efecta Diesel Bio at diesel oil concentrations of 2%, 5%, 10%, 20%, and 50% m/m. Pure lubricating oil and pure diesel oil were also tested. Droplet size distributions were determined for the reference moment at which residual discrepancies R between the measurement data and the sprayed pure diesel oil calculation model obtained the lowest value. For mechanically generated oil mists, the light transmission coefficient through the oil mist T, the specific surface area of the oil mist SSA, and the volumetric share of drops DV(V%) for 10%, 50%, and 90% of the total volume of the generated oil mist were determined. The span of the volumetric distributions of droplet sizes SPAN, Sauter mean diameter D[3,2], De Brouckere mean diameter D[4,3], the volumetric and mass percentage of droplets with diameters ≤5 μm (diameters necessary for a crankcase explosion), the minimum difference between the measurement results, and the calculation model used by the residual error measuring device were determined. The best fit in each measurement cycle (the smallest R value was analyzed. For specific indicators, correlations with diesel oil levels in the mixture were determined using the Pearson rXY linear correlation coefficient. Those results confirmed an increase in smaller-diameter droplets, an increase in the number of droplets with diameters up to 5 μm, and an increase in the span of the oil mist droplet diameter distribution with additional diesel oil. This confirmed a relationship between an increased lubricating oil dilution and an increased explosion risk in the crankcase.

show abstract

A fuel-focused review of pre-chamber initiated combustion

Trombley,

Toulson

2023

Energy Conversion and Management

View full text Add to dashboard Cite

A sneak peek into the phenomenology of fuel mist explosions: The key role of vapor fractions

Cited by 5 publications

References 32 publications

Experimental Study on the Explosion Parameters of n-Decane Aerosol under Saturated Vapor Pressure

Experimental Study on the Explosion Parameters of n-Decane Aerosol under Saturated Vapor Pressure

Particles Morphology of Mechanically Generated Oil Mist Mixtures of SAE 40 Grade Lubricating Oil with Diesel Oil in the Context of Explosion Risk in the Crankcase of a Marine Engine

A fuel-focused review of pre-chamber initiated combustion

Contact Info

Product

Resources

About