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Non-classical Stefan problem with nonlinear thermal coefficients and a Robin boundary condition
(Pergamon-Elsevier Science Ltd, 2019-10)
A non-classical one dimensional Stefan problem with thermal coefficients temperature dependent and a Robin type condition at fixed face x=0 for a semi-infinite material is considered. The source function depends on the ...
Unrest index for estimating thermal comfort of poultry birds (Gallus gallus domesticus) using computer vision techniques
(2021-06-01)
Behaviour can be used to infer animal welfare states. Poultry birds tend to move less under conditions of thermal stress; hence the hypothesis of this research is that this unrest behaviour can be used as an indicator of ...
Existence and uniqueness of solution for two one-phase Stefan problems with variable thermal coefficients
(Pergamon-Elsevier Science Ltd, 2019-08)
One dimensional Stefan problems for a semi-infinite material with temperature dependent thermal coefficients are considered. Existence and uniqueness of solution are obtained imposing a Dirichlet, a Neumann or a Robin type ...
Using thermal and spectroscopic data to investigate the thermal behavior of epinephrine
(Elsevier B.V., 2010-02-20)
Epinephrine is a neurotransmitter of the catecholamine class that acts in the mammalian central nervous system. The TG-DTA curves of epinephrine showed that the anhydrous compound starts decomposition at 165 degrees C, ...
Using thermal and spectroscopic data to investigate the thermal behavior of epinephrine
(Elsevier B.V., 2010-02-20)
Epinephrine is a neurotransmitter of the catecholamine class that acts in the mammalian central nervous system. The TG-DTA curves of epinephrine showed that the anhydrous compound starts decomposition at 165 degrees C, ...
Kinetic parameters for thermal decomposition of hydrazine
(2013-09-01)
The propulsion of most of the operating satellites comprises monopropellant (hydrazine - N2H4) or bipropellant (monometilydrazine - MMH and nitrogen tetroxide) chemical systems. When some sample of the propellant tested ...
Kinetic parameters for thermal decomposition of hydrazine
(2013-09-01)
The propulsion of most of the operating satellites comprises monopropellant (hydrazine - N2H4) or bipropellant (monometilydrazine - MMH and nitrogen tetroxide) chemical systems. When some sample of the propellant tested ...
Stefan problems for the diffusion-convection equation with temperature-dependent thermal coefficients
(Pergamon-Elsevier Science Ltd, 2021-09)
Different one-phase Stefan problems for a semi-infinite slab are considered, involving a moving phase change material as well as temperature dependent thermal coefficients. Existence of at least one similarity solution is ...
Survey on chemical, physical, and thermal prediction behaviors for sequential chemical treatments used to obtain cellulose from Imperata Brasiliensis
(2020-01-01)
The effects of chemical treatment sequences on the chemical, physical, and mainly the thermal properties of Imperata Brasiliensis grass in the process used to obtain cellulose fibers were analyzed. The thermal properties ...
Effect of pyrolysis temperature and thermal conditioning on the coke-forming potential of bio-oils
(American Chemical Society, 2011-05)
Bio-oil from the pyrolysis of pine sawdust was subjected to a thermal conditioning process aimed at inducing changes in its composition and physicochemical properties. The objective was to facilitate the coprocessing of ...