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Keyword: Bulk Density

Total Papers Found: 12

Effect of cooking and drying on the thermal conductivity of rice

Testing of thermal properties of foods is essential for operation and control of food processing plants. In this paper, the thermal conductivity of rice and the drying of cooked rice ...

Keywords: Ambient, Bulk Density, Moisture Content, porosity, Temperature, Thermal Conductivity, Thermal Conductivity Measurement, Thermal conductivity of rice, thermal conductivity testing, Thermal Properties, Thermal properties of food, TLS, Transient Line Source

Thermal properties of green alumina porcelain

Author(s): Peter Krupa, Svetozar Malinaric

The thermal properties, as well as bulk density, and mass loss of alumina porcelain were determined as a function of firing temperature. It was found that after sintering at 1320 ºC, ...

Keywords: Alumina Porcelain, Bulk Density, ceramics, Differential Thermal Analysis, Differential Thermal Analysis (DTA), DTA, Specific Heat, TGA, Thermal Conductivity, Thermal Diffusivity, Thermodilatometry, Thermogravimetric Analysis, Thermogravimetric analysis (TGA), TPS Method, Transient Plane Source, Transient plane source (TPS) method

Chemical modification of tannin/furanic rigid foams by isocyanates and polyurethanes

Author(s): Alain Celzard, Antonio Pizzi, M. C. Basso, V. Fierro, X. Li

Polymeric tannin/furanic foams fortified with polyurethane (PUR) and 4,4’ diphenylmethane diisocyanate (pMDI) were prepared. The thermo-physical and mechanical properties of the produced foams were investigated experimentally. It was found that ...

Keywords: Bulk Density, Compressive Strength, Helium Pycnometry, Polymeric Foams, Scanning Electron Microscope, Scanning electron microscope (SEM), SEM, Skeletal Density, Thermal Conductivity, thermal insulation, transient plane source method

Structure and properties of rigid foams derived from quebracho tannin

Author(s): A. Martinez de Yuso, Alain Celzard, Antonio Pizzi, M.C. Lagel, V. Fierro

Rigid foams were prepared using quebracho tannins and their physical and thermal properties were determined experimentally. These properties were then compared to those of rigid foams derived from mimosa tannins ...

Keywords: building materials, Bulk Density, Cell Diameter, Mechanical Tests, Scanning Electron Microscopy, Scanning Electron Microscopy (SEM), SEM, Skeletal Density, Tannin-Based Foams, Thermal Conductivity, transient plane source method, Young's Modulus

Emulsion-templated porous carbon monoliths derived from tannins

Author(s): A. Szczurek, Alain Celzard, Antonio Pizzi, V. Fierro

The authors have prepared highly porous, monolithic, carbon polymerised high internal phase emulsions (carboHIPEs) using tannins as the base material. This material was considered to be one of the most ...

Keywords: Bulk Density, Cellular Solids, Compressive Strength, Helium Pycnometry, Mesopore Volume, Micropore Volume, porosity, SEM, Skeletal Density, Specific Pore Volume, Tannins, Thermal Conductivity, thermal insulation, transient plane source method, Young's Modulus

Experimental determination and fractal modeling of the effective thermal conductivity of autoclaved aerated concrete: Effects of moisture content

Author(s): Hong-Qing Jin, Li-Wu Fan, Xiao-Li Yao, Xu Xu, Zi-Tao Yu

Autoclaved aerated concrete was studied because it has potential to be used in the design of energy-efficient buildings. Three different samples were tested, each with a unique density. Of particular ...

Keywords: building envelope, Building Envelopes, building materials, Bulk Density, concrete, construction, Matrix Density, Mercury Intrusion Porosimetry, Moisture Content, porosity, Scanning Electron Microscopy, Scanning Electron Microscopy (SEM), SEM, Thermal Conductivity, Thermal Constants Analyzer, TPS Technique, Transient Plane Source, Transient plane source (TPS) method, X-ray Diffraction

Synthesis of flexible aerogel composites reinforced with electrospun nanofibers and microparticles for thermal insulation

Author(s): Haitao Gao, Huijun Wu, Qiliang Chen, Xiaoqing Zhou, Yantao Chen, Yunfei Ding

The authors present a method of increasing the structural stability of silica aerogels by producing flexible aerogel composites by electrospinning and sol-gel processing. Three composites, each reinforced with one of ...

Keywords: Bending Modulus, Bulk Density, Compression Tests, Droplet Scanning Analysis, Droplet Scanning Analysis (DSA), DSA, Flexible Aerogel Composites, Scanning Electron Microscopy, Scanning Electron Microscopy (SEM), SEM, Surface Hydrophobicity, Thermal Conductivity Apparatus, Thermal Gravimetric Analyzer, thermal insulation

Engineering thermal and mechanical properties of flexible fiber-reinforced aerogel composites

Author(s): Anmin Cao, Huijun Wu, Moran Wang, Shuai Yin, Yundan Liao, Yunfei Ding

The authors present a method of fiber-reinforced aerogel composites by impregnation of four layers of aligned glass fibers into silica sol layer-by-layer. The effect of different fiber alignments, as well ...

Keywords: Aerogels, Analysis, Bulk Density, Compression Tests, Droplet Scanning Analysis, Droplet Scanning Analysis (DSA), DSA, Fast Fourier Transform, Fast Fourier Transform (FFT) Analysis, FFT, glass, Scanning Electron Microscopy, Scanning Electron Microscopy (SEM), SEM, Silica Aerogel Composites, Surface Hydrophobicity, Thermal Conductivity, Thermostability, Transient Plane Heat Source Method

Preparation of silica aerogel/polyurethane composites for the application of thermal insulation

Author(s): Ching-Tang Huang, Huang-Shian Tsai, Jia-Ru Chen, Kai-Jay Chang, Ko-Shan Ho, Kuan-Chen Peng, Wan-Fu Lien, Yen-Zen Wang

The authors prepared silica aerogel/polyurethane composites by two different methods for the comparison of the two methods. The objective was to study the thermal insulation and hydrophobic properties of ...

Keywords: BET, Brunauer Emmett and Teller, Brunauer-Emmett-Teller (BET), Bulk Density, Dynamic Contact Angle Analyzer, FESEM, Field Emission Scanning Electron Microscope, Field Emission Scanning Electron Microscope (FESEM), Fourier-Transform Infrared Spectroscopy, Method, Pore Size Distribution, porosity, Silica aerogels, specific surface area, TEM, thermal insulation, TPS Method, Transient Plane Source, Transient plane source (TPS) method, transmission electron microscope, transmission electron microscope (TEM)

Closed-cell carbon foams from diphenolic acid-based polybenzoxazine

Author(s): Alain Celzard, Alicia Martinez de Yuso Arisa, Alicia Martínez de Yuso Arisa, Andrzej Szczurek, Camilo Javier Zuniga Ruiz, Juan Carlos Ronda, Vanessa Fierro, Virginia Cadiz

Carbon foams were prepared from diphenolic acid-based benzoxazine foams by pyrolysis under nitrogen atmosphere. The method used in this article produced foams containing a large fraction of closed cells which ...

Keywords: Bulk Density, Carbon Foams, High Temperature, mechanical properties, porosity, Raman Spectroscopy, Scanning Electron Microscopy (SEM), Skeletal Density, Thermal Conductivity, thermal insulation, Young's Modulus