Features of Propene Oxidation in Argon, Carbon Dioxide and Water Vapor Media at a High Density of Reagents

Fedyaeva, O. N.; Artamonov, D. O.; Vostrikov, A. A.

doi:10.1134/s1810232818040045

Cited by 6 publications

(2 citation statements)

References 22 publications

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“…On the contrary, CO 2 and H 2 O can drastically alter the ignition process in dependence of operating conditions with a twofold interaction. They increase system reactivity at low temperatures (Sabia et al, 2007(Sabia et al, , 2015Sjöberg et al, 2007;Anderlohr et al, 2010;Lubrano Lavadera et al, 2016), but delay it at intermediatehigh temperatures (Mueller et al, 1999;Cadman et al, 2000;de Joannon et al, 2002;Park et al, 2003;Wang et al, 2003Wang et al, , 2013Herzler et al, 2004;Penyazkov et al, 2005;Zabetta et al, 2005;Basevich and Frolov, 2007;Glarborg and Bentzen, 2007;Sjöberg et al, 2007;Gallagher et al, 2008;Le Cong and Dagaut, 2009a,b;Mendiara and Glarborg, 2009;Mardani et al, 2010Mardani et al, , 2013Lee et al, 2012;Sabia et al, 2013Sabia et al, , 2015Chen and Ghoniem, 2014;Xie et al, 2014a;Song et al, 2015;Zou et al, 2015;Hashemi et al, 2016Hashemi et al, , 2017Hashemi et al, , 2019Lubrano Lavadera et al, 2016, 2018aEvans et al, 2017;He et al, 2017;Fedyaeva et al, 2018;Sorrentino et al, 2018;Zhang et al, 2019). ...…”

Section: Discussionmentioning

confidence: 99%

“…Furthermore, it occurs in presence of great amounts of non-inert species, such as carbon dioxide and steam, which can alter the kinetic routes by means of several effects, here reported: 1) Thermal: higher heat capacities with respect to N 2 , thus lower adiabatic flame temperature; 2) Kinetic: they participate directly in bimolecular reactions and enhance the role of third-molecular reactions because of higher third-body efficiencies with respect to N 2 . For these effects, a huge literature has been produced in the last decade, as reported in the next paragraphs (Fedyaeva et al, 2018;Lubrano Lavadera et al, 2018a).…”

Section: Introductionmentioning

confidence: 99%

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Critical Issues of Chemical Kinetics in MILD Combustion

Sabia

Joannon

2020

Front. Mech. Eng.

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Mild combustion processes occur with mixtures highly diluted and preheated by a strong recirculation of hot exhausted gases (thus mass and sensible enthalpy) within the combustion chamber. This strategy configures a process based on autoignition kernels outside or close to flammability limits transported by convection in the combustion chamber, thus defining a process with unique physical and chemical features drastically different from traditional deflagrative-diffusive flames. The article aims at analyzing the recent issues relative to kinetic aspects involved in moderate or intense low-oxygen dilution (MILD) combustion processes. First, the article comes through the identification of peculiar experimental features of simple hydrocarbons oxidation process induced by highly preheated and diluted conditions in model reactors typical of chemical engineering. Second, the effects of steam and carbon dioxides on fuel oxidation process, whose presence within the combustion chamber is imposed by high levels of hot gas recirculation, are addressed. Third, the article comes through a thorough analysis of recent scientific contributions on kinetic aspects of MILD combustion processes to identify the critical points in modeling activities.

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Critical Issues of Chemical Kinetics in MILD Combustion

Sabia

Joannon

2020

Front. Mech. Eng.

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On H2–O2 oxidation in several bath gases

Sabia

Joannon

2020

International Journal of Hydrogen Energy

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The Effects of Different Splitter Blades Number on Characteristics of Miniature Super-Low Specific Speed Centrifugal Pump

Zhong

Zhou

2021

IOP Conf. Ser.: Earth Environ. Sci.

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Splitter blades are often used to improve the performance parameters of super-low specific speed centrifugal pumps, while the number of splitter blades is the most important influencing factor of head and efficiency. In order to study the effect of different number of splitter blades between long blades on the external characteristics and internal flow field of centrifugal pumps, the numerical simulation of four impeller models has been carried out by Fluent. The results show that splitter blades can raise head and efficiency of the centrifugal pump, so that the performance curve moves toward large flow rate area. The low speed area on the pressure surface of the long blade reduces with the slip and separation inhibited. When the number of splitter blades increase gradually, the head of the centrifugal pump has not much increase while the efficiency decreases. Most of the medium flow out through the runner on the pressure surface leaving the others blockage due to the backflow and vortexes, resulting in large hydraulic loss.

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Features of Propene Oxidation in Argon, Carbon Dioxide and Water Vapor Media at a High Density of Reagents

Cited by 6 publications

References 22 publications

Critical Issues of Chemical Kinetics in MILD Combustion

Critical Issues of Chemical Kinetics in MILD Combustion

On H2–O2 oxidation in several bath gases

The Effects of Different Splitter Blades Number on Characteristics of Miniature Super-Low Specific Speed Centrifugal Pump

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