Journal of Thermal Analysis and Calorimetry

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View factor for radiative heat transfer calculations between triangular geometries with common edge
Journal of Thermal Analysis and Calorimetry - Tập 148 - Trang 4523-4539 - 2023
Yanan Camaraza-Medina, Abel Hernandez-Guerrero, J. Luis Luviano-Ortiz
In radiation heat transfer calculations, the view factor between surfaces is an element of vital importance. Currently, the available technical literature does not have an analytical expression that allows the view factor to be directly computed for combinations of triangular surfaces. An analytical view factor solution requires the addition of multiple integrals, given the changes in the integrat...... hiện toàn bộ
The 30th anniversary of the commission for thermal analysis and calorimetry of the Romanian academy and 65 years of thermal analysis and calorimetry in Romania
Journal of Thermal Analysis and Calorimetry - Tập 148 - Trang 4567-4572 - 2023
Characterization, thermal properties and phase transitions of amazonian vegetable oils
Journal of Thermal Analysis and Calorimetry - Tập 127 - Trang 1221-1229 - 2016
Juliana J. R. Pardauil, Fábio Alberto de Molfetta, Miguel Braga, Luiz K. C. de Souza, Geraldo N. R. Filho, José R. Zamian, C. E. F. da Costa
Thermal profiles of buriti pulp oil (Mauritia flexuosa Mart.), tucumã pulp and kernel oils (Astrocarium vulgare Mart.), rubber seed oil (Hevea brasiliensis), passion fruit oil (Passiflora edulis) and ucuúba butter (Virola surinamensis) were analyzed by thermogravimetry (TG/DTG) and differential scanning calorimetry (DSC). Gas chromatography and calculated iodine values were performed to determine ...... hiện toàn bộ
The temperature effect on the thermodynamics of the interaction of l-Tryptophan with urea and glycerol in water
Journal of Thermal Analysis and Calorimetry - Tập 148 - Trang 5521-5527 - 2023
Dmitrij V. Batov, Andrey V. Kustov, Natalya L. Smirnova
The temperature dependence of the pair and triplet interaction between aromatic amino acid L-Tryptophan (Trp) and glycerol (Gl) or urea (U) in an aqueous medium was studied. For this goal, the enthalpies of solution of Trp in the water-Gl and water-U mixtures were determined in the temperature range of 298.15–328.15 K. The heat capacity values of amino acid solution as well as the partial molal he...... hiện toàn bộ
Inhibition ability of ionic liquid [Bmim][NO3], [Bmim][BF4], and [Emim][BF4] on spontaneous coal combustion
Journal of Thermal Analysis and Calorimetry - Tập 132 - Trang 1943-1951 - 2018
Yi Yang, Yun-Ting Tsai
From TG result, [Bmim][BF4] has the best inhibition ability of spontaneous coal combustion to delay the initial temperature, maximum temperature, and final temperature of mass loss with oxidation process on lignite and long flame coal. Cation of ionic liquid (IL) is the critical factor of the oxidation reaction on lignite, and [Bmim]+ can destroy the structure of long flame coal. According to FTIR...... hiện toàn bộ
Comparison of NIR spectroscopy coupled to chemometrics and derivative thermogravimetry for relative dating of human fossil bones
Journal of Thermal Analysis and Calorimetry - Tập 130 - Trang 559-565 - 2017
M. Tomassetti, F. Marini, R. Bucci, A. Coppa, L. Campanella
The possibility of using near-infrared spectroscopy (NIR) coupled to chemometric exploratory data processing in order to obtain a fast, cheap and nondestructive dating of human fossil bones is presented and discussed. The proposed approach has been applied to the differentiation of human fossil bones from two necropolises in the Middle Nile (Saggai and Geili). Principal component analysis of the s...... hiện toàn bộ
Heat transfer of oil shale in a small-scale fixed bed
Journal of Thermal Analysis and Calorimetry - Tập 124 - Trang 461-469 - 2015
Yue Ma, Lu He, Shuyuan Li, Jinsheng Teng
Heat transfer experiments on Longkou oil shale were carried out in a fixed-bed reactor. Temperatures at different positions in the reactor were determined. With increasing heating rate, the temperature difference between center and exterior of the reactor increased, the time needed to get to constant temperature decreased, while the time needed to reach final pyrolysis temperature decreased. A pse...... hiện toàn bộ
Influence of ferric hydroxide on smoke suppression properties and combustion behavior of intumescent flame retardant silicone rubber composites
Journal of Thermal Analysis and Calorimetry - Tập 119 - Trang 487-497 - 2014
Li Liu, Jinlong Zhuo, Xilei Chen, Chuanmei Jiao, Shaoxiang Li, Yuanxiang Gu
New silicone rubbers(SR)-based hybrid material containing intumescent flame retardant (IFR) and ferric hydroxide (FeOOH) has been developed in order to improve flame retardancy of SR. The synergistic effects of FeOOH with IFR in halogen-free flame retardant SR/IFR blends have been studied by cone calorimeter test (CCT) and thermogravimetric analysis (TG). The data obtained from the CCT indicate th...... hiện toàn bộ
Characterization and compatibility study of desloratadine
Journal of Thermal Analysis and Calorimetry - Tập 115 - Trang 2407-2414 - 2013
Isabela P. Veronez, Josiane S. P. Daniel, Jerusa S. Garcia, Marcello G. Trevisan
Desloratadine (DL) is a selective antagonist of the histamine H1 receptor, which has been widely used to treat allergic symptoms, and stands out from other drugs in this therapeutic class because it does not cause sedative effects. In the present study, the physico-chemical properties of DL were fully characterized using six analytical techniques such as Differential Scanning Calorimetry (DSC), Th...... hiện toàn bộ
Kinetic study of dehydration of calcium oxalate trihydrate
Journal of Thermal Analysis and Calorimetry - Tập 124 - Trang 151-158 - 2015
P. Honcová, R. Svoboda, P. Pilný, G. Sádovská, J. Barták, L. Beneš, D. Honc
The dehydration of calcium oxalate trihydrate was studied using DSC method and open sample crucibles. The dehydration proceeds in two steps where first two molecules of water are released around 80 °C and consequently the last molecule of water is released at a temperature around 130 °C. The kinetic analysis of overlapping peaks was performed, and the apparent activation energy, pre-exponential fa...... hiện toàn bộ
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