Experimental and chemical kinetic behaviors at the explosion reaction of typical C6 hydrocarbons

Zhou, Shengyuan; Luo, Zhenmin; Gao, Jian; Wang, Tao; Li, Ruikang; Hu, Shikai; Wang, Le

doi:10.1016/j.fuel.2022.124258

Cited by 4 publications

(5 citation statements)

References 44 publications

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Section: Mechanistic Analysis Of the C2h4 Explosion Inhibitionmentioning

confidence: 99%

“…To reveal the chemical mechanism associated with these two inhibitors, the effect of KOH on H and OH radicals produced by C 2 H 4 explosion was considered through reaction kinetics, which has been proven to be a feasible approach in the literature. 44,47,48 In this study, the effect of KOH on C 2 H 4 explosion was investigated using the zero-dimensional homogeneous reactor in CHEMKIN software package. The KOH kinetic module adopts a relatively high degree of recognition between all the kinetic models associated with the K-containing compounds.…”

Section: Chemical Inhibitionmentioning

confidence: 99%

“…In the complex reaction system of hydrocarbon fuel, analysis of the maximum rate of production (MROP) is often used to reveal the effect of essential reaction on the formation and consumption of components. , In this study, the chemical inhibition of the two inhibitors is assessed through their effect on MROP of H and OH radicals. In Figures and , variations of the explosion system without and with inhibitors are shown, respectively.…”

Section: Mechanistic Analysis Of the C2h4 Explosion Inhibitionmentioning

confidence: 99%

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Inhibition Effect of KHCO₃ and KH₂PO₄ on Ethylene Explosion

Wang

Yang

et al. 2023

ACS Omega

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The explosion risk of ethylene (C2H4) seriously hinders safe development of its production and processing. To reduce the harm caused by C2H4 explosion, an experimental study was conducted to assess the explosion inhibition characteristics of KHCO3 and KH2PO4 powders. The experiments were conducted based on the explosion overpressure and flame propagation of the 6.5% C2H4–air mixture in a 5 L semi-closed explosion duct. Both the physical and chemical inhibition characteristics of the inhibitors were mechanistically assessed. The results showed that the 6.5% C2H4 explosion pressure (P ex) decreases by increasing the concentration of KHCO3 or KH2PO4 powder. The inhibition effect of KHCO3 powder on the C2H4 system explosion pressure was better than that of the KH2PO4 powder under similar concentration conditions. Both powders significantly affected the flame propagation of the C2H4 explosion. Compared with KH2PO4 powder, KHCO3 powder had a better inhibition effect on the flame propagation speed, but its ability to reduce the flame luminance was less than KH2PO4 powder. Finally, the inhibition mechanism(s) of KHCO3 and KH2PO4 powders were revealed based on the powders’ thermal characteristics and gas-phase reaction.

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Section: Mechanistic Analysis Of the C2h4 Explosion Inhibitionmentioning

confidence: 99%

Section: Chemical Inhibitionmentioning

confidence: 99%

Section: Mechanistic Analysis Of the C2h4 Explosion Inhibitionmentioning

confidence: 99%

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Inhibition Effect of KHCO₃ and KH₂PO₄ on Ethylene Explosion

Wang

Yang

et al. 2023

ACS Omega

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“…Zhou et al. [36] explored the explosion reaction kinetics of several C 6 hydrocarbons at different equivalent ratios. Bai et al.…”

Section: Introductionmentioning

confidence: 99%

“…It was found that an increase in the initial temperature or pressure increased the flammability limit of the mixture in the rich combustion region, and that the explosion characteristics were insensitive to changes in the initial temperature. Zhou et al [36] explored the explosion reaction kinetics of several C 6 hydrocarbons at different equivalent ratios. Bai et al [37][38][39][40] analyzed the explosion properties of liquid fuel at low initial temperature and pressure, which revealed that the explosion pressure had a linear relationship with ambient pressure, and an inverted 'U'-shape with ambient temperature; the ambient temperature had a great influence on the lower explosion limit, and the ambient pressure had a major impact on the upper explosion limit and the maximum explosion pressure rise rate.…”

Section: Introductionmentioning

confidence: 99%

Energy Output of High‐speed Flowing Two‐phase IPN/Air in the Combustion Chamber

Wan

Wen

Zhang

2022

Propellants Explo Pyrotec

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Fuel-air cloud explosions or detonations are often affected by initial ambient conditions. A two-dimensional (2D) semi-confined model was established to study the effects of the inflowing air temperature and initial temperature of the combustor on the explosion process of isopropyl nitrate (IPN)/air mixture. The results showed that at different initial temperatures (1000-3000 K), the first peak pressure (P 1 ) and second peak pressure (P 2 ) decreased with the increase in initial temperature; the maximum flame temperature (2338-3534 K) increased with the increasing initial temperature; the explosion pressure and temperature had the opposite trends with the initial temperature, indicating that the oxygen content in the combustor had a greater impact on the explosion pressure, while the initial temperature had a more significant effect on the flame temperature. Under different incoming air temperatures (1000-3000 K), the flame temperature (~2700 K) of the two-phase explosion had a small difference at the incoming temperature of � 2500 K, signifying that the airflow temperature (< 3000 K) and the oxygen content in air jointly dominated the flame temperature; the flame temperature was 3100 K at the incoming temperature of 3000 K, which was about 300 K higher than other incoming flow temperatures, indicating that the flame temperature was more sensitive to the incoming air temperature (� 3000 K). At 600 m/s airflow, the explosion parameter curves at the inflow temperatures of 300 K and 600 K were compared, and the critical inflow temperature of the explosion process was also investigated.

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Laminar flame speeds of cyclic hydrocarbon fuels: Effect of unsaturation

Lin²,

Li³

et al. 2023

Fuel

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Experimental and chemical kinetic behaviors at the explosion reaction of typical C6 hydrocarbons

Cited by 4 publications

References 44 publications

Inhibition Effect of KHCO₃ and KH₂PO₄ on Ethylene Explosion

Inhibition Effect of KHCO₃ and KH₂PO₄ on Ethylene Explosion

Energy Output of High‐speed Flowing Two‐phase IPN/Air in the Combustion Chamber

Laminar flame speeds of cyclic hydrocarbon fuels: Effect of unsaturation

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Experimental and chemical kinetic behaviors at the explosion reaction of typical C6 hydrocarbons

Cited by 4 publications

References 44 publications

Inhibition Effect of KHCO3 and KH2PO4 on Ethylene Explosion

Inhibition Effect of KHCO3 and KH2PO4 on Ethylene Explosion

Energy Output of High‐speed Flowing Two‐phase IPN/Air in the Combustion Chamber

Laminar flame speeds of cyclic hydrocarbon fuels: Effect of unsaturation

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Product

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Inhibition Effect of KHCO₃ and KH₂PO₄ on Ethylene Explosion

Inhibition Effect of KHCO₃ and KH₂PO₄ on Ethylene Explosion