Evaporation Characteristics of Ethanol Diesel Droplets Containing Nanoparticles

Wang, Xiaorong; Wei, Ning; Gao, Ji; Yan, Jun; Jiang, Genzhu

doi:10.1007/s12204-021-2280-x

Cited by 7 publications

(2 citation statements)

References 27 publications

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“…The burning time is predicted to decrease with the use of nanomaterials [32]. Nevertheless, the combustion duration increased with the inclusion of CNTs at a concentration of 50 ppm (Figure 8a) in comparison to diesel and diesel-SDBS blends.…”

Section: Evolution Of the Normalized Area And Ignition Delaymentioning

confidence: 99%

“…Accordingly, some studies have employed the functionalization [29] and surfactant [30] approaches. For instance, surfactant addition has been shown to increase the stability of the dispersions while maintaining the features of the nanomaterials dispersed in diesel without altering the fuel's characteristics [31,32]. Furthermore, when nanofuels are used in diesel engines, adding a surfactant reduced nanoparticle deposition on injectors, valves, and fuel lines [33].…”

Section: Introductionmentioning

confidence: 99%

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Ignition Delay and Burning Rate Analysis of Diesel–Carbon Nanotube Blends Stabilized by a Surfactant: A Droplet-Scale Study

Gallego,

Cacua,

Gamboa

et al. 2023

Energies

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In this study, the effects of pristine carbon nanotubes (CNTs), sodium dodecylbenzene sulfonate (SDBS), and diesel blends on the ignition delay and burning rate are examined experimentally. For this purpose, single-droplet combustion tests were conducted in a combustion system for 21 days using CNTs at concentrations of 50 ppm and 100 ppm, which were dispersed in Colombian commercial diesel and stabilized by SDBS. Videos of the diesel droplet burning were obtained using a high-speed camera, and the Shadowgraph optical technique was used to observe the development of the droplet size during combustion. Thus, records of the process were collected, and the treatment was carried out using a MATLAB algorithm. The measurements and processing were carried out along with a stability study, which included measurements of dynamic light scattering (DLS), pH, potential Zeta, and properties such as thermal conductivity and surface tension. The results demonstrated that the temporal stability has a direct impact on the single-droplet combustion tests because a concentration of CNTs of 100 ppm showed a higher stability than those achieved by 50 ppm. Consequently, improvements were found with a concentration of 100 ppm—for instance, the thermal conductivity increased by about 20%, the ignition delay time increased by 16.2%, and the burning rate increased by 30.5%.

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Section: Evolution Of the Normalized Area And Ignition Delaymentioning

confidence: 99%