Comparative Study of Kinetics of the Thermal Decomposition of Polypropylene Using Different Methods
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DOI: 10.1002/adv.21776
Abstract: The thermal degradation kinetics of powder isotactic polypropylene was investigated in a thermobalance system, at non-isothermal heating conditions with heating rate of 5, 10, 15, and 20°C min−1 in the temperature range of 30–600°C under… read more here.
Keywords: activation energy; polypropylene; activation; apparent activation ... See more keywords
Numerical simulation for the mixed convective flow of non‐Newtonian fluid with activation energy and entropy generation
Sign Up to like & getrecommendations! Published in 2020 at "Mathematical Methods in the Applied Sciences"
DOI: 10.1002/mma.6919
Abstract: Here, mathematical modeling is performed for the nonlinear mixed convection in dissipative convective flow of micropolar fluid towards a stretched surface. Mixed convection occurs when both forced and natural convection mechanisms act together. Mixed convection… read more here.
Keywords: fluid; parameter; activation; convective flow ... See more keywords
Non-conservation of activation energy barriers in the same chemical process: a cooperative (effect) proton transfer on (HF)n molecular aggregates
Sign Up to like & getrecommendations! Published in 2020 at "Theoretical Chemistry Accounts"
DOI: 10.1007/s00214-020-02681-1
Abstract: The formation of (HF)n aggregates with n = 2, 3, 4, 5 and 6 and concerted proton transfer processes in these aggregates were systematically analyzed. It was verified that, by a cooperative effect, the barrier associated with… read more here.
Keywords: activation energy; transfer; cooperative effect; proton transfer ... See more keywords
Significance of Arrhenius activation energy in flow and heat transfer of tangent hyperbolic fluid with zero mass flux condition
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DOI: 10.1007/s00542-020-04792-y
Abstract: The current endeavor scrutinizes the flow of tangent hyperbolic fluid over a moving stretched surface. The characteristics of heat transfer are conferred by utilizing nonlinear radiation. Further features of mass transfer are characterized with activation… read more here.
Keywords: activation energy; tangent hyperbolic; heat transfer; heat ... See more keywords
Bio-Marangoni convection flow of Casson nanoliquid through a porous medium in the presence of chemically reactive activation energy
Sign Up to like & getrecommendations! Published in 2021 at "Applied Mathematics and Mechanics"
DOI: 10.1007/s10483-021-2753-7
Abstract: Bioconvection research is primarily focused on the augmentation of energy and mass species, which has implications in the processes intensification, mechanical, civil, electronics, and chemical engineering branches. Advanced bioconvection technology sectors include cooling systems for… read more here.
Keywords: activation energy; casson nanoliquid; marangoni convection; bio marangoni ... See more keywords
Structural and Catalytic Properties of Co-doped Perovskite Oxide on Coal Combustion
Sign Up to like & getrecommendations! Published in 2018 at "International Journal of Thermophysics"
DOI: 10.1007/s10765-018-2453-5
Abstract: In this paper, the structural and catalytic properties of co-doped perovskite oxide La0.8Ce0.2Mn1−xCoxO3 are investigated. First, coal combustion catalysts of mesoporous perovskite-type La0.8Ce0.2Mn1−xCoxO3 were prepared by using sol–gel method. The resulting powder was characterised by… read more here.
Keywords: coal combustion; activation energy; la0 8ce0; reaction ... See more keywords
Thermal Degradation Behavior of a New Family of Organometallic Dendrimer
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Inorganic and Organometallic Polymers and Materials"
DOI: 10.1007/s10904-020-01444-6
Abstract: Abstract Organometallic dendrimers are one of the most attractive macromolecules owing to their unique properties that derived from the combination of the metallic moieties and the remarkable architecture of the dendrimers. A new family of… read more here.
Keywords: degradation; activation energy; thermal degradation; degradation behavior ... See more keywords
Thermal behavior of ferulic acid employing isoconversional models and artificial neural network
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Thermal Analysis and Calorimetry"
DOI: 10.1007/s10973-019-08114-x
Abstract: Ferulic acid (FA) is a phenolic acid of plant kingdom presenting antioxidant activity, a fundamental pharmaceutical property. This property suggests FA can be used in cosmetic skin formulations as a photoprotective and anti-aging agent. The… read more here.
Keywords: network; activation energy; analysis; ferulic acid ... See more keywords
Numerical analysis of nonlinear mixed convective MHD chemically reacting flow of Prandtl–Eyring nanofluids in the presence of activation energy and Joule heating
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Thermal Analysis and Calorimetry"
DOI: 10.1007/s10973-020-09574-2
Abstract: The aim of the study is to explore nonlinear mixed convection flow of nanomaterials (Prandtl–Eyring nanoliquid) with activation energy. Analysis of cross-diffusion (Soret and Dufour) impacts is addressed. Features of nanoliquid are analysed with thermophoresis… read more here.
Keywords: activation energy; analysis; prandtl eyring; nonlinear mixed ... See more keywords
Soret–Dufour aspects with activation energy in peristaltic mechanism of third-grade material with variable features
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DOI: 10.1007/s10973-020-09790-w
Abstract: Heat and mass transfer in peristalsis of magnetohydrodynamic third-grade material through curved configuration is addressed. Variable characteristics of thermal conductivity and viscosity are taken. Effects of Soret and Dufour are examined. Chemical reaction with activation… read more here.
Keywords: grade material; activation energy; material; third grade ... See more keywords
Dehydration of rhyolite: activation energy, water speciation and morphological investigation
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Thermal Analysis and Calorimetry"
DOI: 10.1007/s10973-020-10105-2
Abstract: Rhyolite is an extrusive, igneous rock of aluminosilicate composition that upon rapid cooling forms obsidian. Obsidian is amorphous and contains limited water portions ( 5 mass%). In the current study, kinetics of hydrous rhyolite dehydration were… read more here.
Keywords: water; activation energy; mass; dehydration ... See more keywords