Journal of Thermal Analysis and Calorimetry
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2.73
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20117
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Yerba mate (Ilex paraguariensis) traditionally grown in South America. Its extract contains bioactive compounds which are associated with pharmacological activities. Freeze-concentration (cryoconcentration) process allows the removal of water preserving the bioactive compounds in extracts. Furthermore, yerba mate extract incorporation into starches is promising for food and pharmaceutical uses. This process can be evaluated using simultaneous Thermogravimetry and differential thermal analysis (T...
1 CitationsSource
#1Antonio Greco (University of Salento)H-Index: 24
#2Francesca Ferrari (University of Salento)H-Index: 8
This paper is aimed at studying the thermal properties of poly(lactic acid), PLA with different plasticizers. Plasticized PLA was obtained by mixing and extruding PLA with 20 mass% of neat cardanol, epoxidized cardanol acetate (ECA) and poly(ethylene glycol) (PEG) 400. The glass transition of completely amorphous samples, melting and crystallization behavior of plasticized PLA were analyzed by differential scanning calorimetry. Results obtained show that, below Tg, a higher enthalpy relaxation o...
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#1Mohsen Beigi (IAU: Islamic Azad University)H-Index: 8
#2Mehdi TorkiH-Index: 1
Last. Mojtaba Tohidi (IAU: Islamic Azad University)H-Index: 2
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In the present work, the first and second laws of thermodynamics were used to perform energy and exergy analyses for deep bed drying of paddy in a convective dryer. Also, the equivalent specific CO2 emission was assessed. Drying experiments were carried out at drying air temperatures of 40, 50 and 60 °C, and air flow rates of 0.008, 0.012 and 0.017 m3 s−1. Energy utilization, energy utilization ratio and energy efficiency were obtained to be in the range of 0.061‒0.1412 kJ s−1, 22.41‒46.81% and ...
3 CitationsSource
#1Samaira AzizH-Index: 3
#2Iftikhar Ahmad (University of Azad Jammu and Kashmir)H-Index: 13
Last. Sami Ullah KhanH-Index: 13
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In the recent advancement in growing nano-technology, the dynamic scientists have shown their interest toward the thermal aspects of nanoparticles due to their prestigious industrial, engineering, medical and modern sciences applications. The current exertion discloses unsteady three-dimensional chemically reactive couple stress nanofluid flow induced by bidirectional oscillatory stretching surface. The heat transfer analysis is explored by utilizing heat generation/absorption and thermal radiat...
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#1Sayantan Mukherjee (KIIT: KIIT University)H-Index: 7
#2Purna Chandra Mishra (KIIT: KIIT University)H-Index: 16
Last. Paritosh Chaudhuri (HBNI: Homi Bhabha National Institute)H-Index: 13
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This paper presents an experimental investigation on the pool boiling heat transfer of water containing Al2O3 and TiO2 nanoparticles at 0.01%, 0.05%, 0.1%, 0.5% and 1% mass fractions at ambient pressure. A horizontal flat polished stainless steel plate was chosen as the boiling surface. Significant improvements in the boiling heat transfer coefficient and critical heat flux were recorded up to 0.1%. However, a decrease in heat transfer performance was observed at other concentrations. The surfac...
2 CitationsSource
This study elucidates a numerical simulation of natural convective flow inside a confined 2D reactor containing a fluid-saturated non-Darcy porous medium. The lower wall of the reactor is wavy, while all other walls are plane surfaces. All walls of the reactor are kept at surrounding temperature. A chemically reacting fluid produces flow within the reactor by a heat generating exothermic reaction. A coordinate transform is dispensed to turn the waviness of walls into the plane surface, and then,...
3 CitationsSource
Determining the maximum temperature of gas turbine is one of the challenges in energy conversion to achieve the suitable performance of gas turbine systems. For this purpose, based on the energy, exergy, environmental, and economic (4E) analyses, the effects of changing turbine inlet temperature (TIT) on a gas turbine power plant in northeastern Iran were studied. The results showed that increasing TIT enhanced net power and efficiency, so that increasing TIT about 10 K enhanced net power by 1.7...
1 CitationsSource
#1Zhijia LiuH-Index: 9
#2Zixing FengH-Index: 2
Last. Jian ZhangH-Index: 149
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The ash fusion characteristics of bamboo and coal co-firing process were determined by a thermogravimetric analyzer, X-ray fluorescence and X-ray diffraction. The results showed that the ash of bamboo and coal co-firing process had similar chemical compositions with coal ash. Ash components occurred to synergistic interaction during co-firing process of bamboo and coal. Bamboo increased ash fusion temperatures of blends. The ash fusion process included moisture evaporation, oxidation of organic ...
1 CitationsSource
#1ehsan rezaei (AUT: Amirkabir University of Technology)
#1Ehsan Rezaei (AUT: Amirkabir University of Technology)H-Index: 9
Last. Abbas AbbassiH-Index: 24
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Heat transfer and pressure drop of laminar flow inside circular and flattened tubes partially and fully filled with copper metal foam were experimentally investigated. The wall heated by a constant and uniform heat flux and water was used as the working fluid with Reynolds number ranging 500–2300. Six different configurations for tubes and porous media supposed and the Nusselt number and pressure drop data are reported and compared. The experimental results revealed that the porous media and fla...
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#1Lina Dayse Alcantara Rodrigues (UNIFESP: Federal University of São Paulo)
#2Lilia Müller Guerrini (UNIFESP: Federal University of São Paulo)H-Index: 9
Last. Maurício Pinheiro de Oliveira (UNIFESP: Federal University of São Paulo)H-Index: 8
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In this work, thermal and mechanical properties of cationic cassava starch-g-poly(butyl acrylate-co-methyl methacrylate) films with different amounts of cationic cassava starch (CCS) were studied. The objective of this work was to substitute a portion the monomers (BA/MMA) by CCS in the copolymer and to investigate the consequent effects on the properties of the polymer latex films (e.g., graft percentage, surface tension, thermal and mechanical properties). The results show that the grafting pe...
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Top fields of study
Thermal analysis
Thermal decomposition
Organic chemistry
Inorganic chemistry
Chemistry
Materials science
Differential scanning calorimetry
Thermogravimetry