نتایج جستجو برای: thermal and physical properties

تعداد نتایج: 17022352  

Ali Hasanpour Asad modarres motlagh Negar Afaghi, Seied Sadegh Seiedlou

The moist sample shrinks during drying and the non-uniformity shrinkage involves stresses in the body. The aim of the present work is simulating deformations and drying-induced stresses of carrot slice during a convective drying. The effect of shrinkage on the heat and mass transfer profiles were considered. Non-constant physical and thermal properties were also incorporated in the model and th...

Ali Hasanpour Asad modarres motlagh Negar Afaghi, Seied Sadegh Seiedlou

The moist sample shrinks during drying and the non-uniformity shrinkage involves stresses in the body. The aim of the present work is simulating deformations and drying-induced stresses of carrot slice during a convective drying. The effect of shrinkage on the heat and mass transfer profiles were considered. Non-constant physical and thermal properties were also incorporated in the model and th...

A. Moradiyan H. R. Taghiyari,

Effects were studied of 200 ppm silver and copper nano-suspensions, with size range from 20 to 80 nm, on the hardness of particleboards produced at an industrial scale at the Iran-Choob Factory, Iran. Metal nano-suspensions were added to the mat at two levels of 100 and 150 milli-liters/kg dry weight wood particles, and the results were compared with those of the control panels. Results showed ...

2006
Daniela Girimonte Dario Izzo Luzi Bergamin

We propose a novel approach based on dual filtering techniques for the detection of possible variations of the thermal properties of the spacecraft that result from variations of its physical properties and for determining a complete thermal mapping of the system. System and sensor uncertainties are taken into account in the lumped parameter modeling of the thermal system and a dual filter is r...

2011
W. B. Durham O. Prieto - Ballesteros D. L. Goldsby J. S. Kargel

Laboratory measurements of physical properties of planetary ices generate information for dynamical models of tectonically active icy bodies in the outer solar system. We review the methods for measuring both flow properties and thermal properties of icy planetary materials in the laboratory, and describe physical theories that are essential for intelligent extrapolation of data from laboratory...

2013
Rafael Farinassi Mendes Geraldo Bortoletto Júnior Natalie Ferreira de Almeida Paula Gabriella Surdi Isabela Najm Barbeiro

The main objective of this study was to compare the effect of thermal pre-treatment in particles of strand type with the effect of variables of production on physical-mechanical properties of OSB panels, aiming to improve their dimensional stability. The experimental design consisted on five treatments with the assessment of two temperatures of thermal treatment on particles (200 and 240°C) dur...

Journal: :nutrition and food sciences research 0
nazanin amirasgari department of food science and technology, science and research branch, islamic azad university, mazandaran, iran. hossein mirsaeedghazi department of food technology, college of abouraihan, university of tehran, pakdasht, iran.

background and objectives: red beet extract concentrate can be used as a natural colorant in food products; however, destructive effects of thermal methods to produce juice concentrate decrease nutritional value in the final product. materials and methods: in this study, red beet extract was concentrated using osmotic distillation method, and the best pretreatment was evaluated to increase the ...

Journal: :تحقیقات مهندسی کشاورزی 0
روناک غلامی دانشجوی کارشناسی ارشد دانشگاه تبریز بابک قنبرزاده دانشیار گروه علوم و صنایع غذایی دانشکده کشاورزی دانشگاه تبریز جلال دهقان نیا استادیار گروه علوم و صنایع غذایی دانشکده کشاورزی دانشگاه تبریز علی اکبر انتظامی استاد دانشکده شیمی دانشگاه تبریز لیلا ابوالقاسمی فخری دانشجوی دکتری علوم و صنایع غذایی دانشکده کشاورزی دانشگاه تبریز

this study investigated the effect of different concentrations of nanocrystalline cellulose (ncc) on the physical properties of starch-ncc nanocomposites. the nanoparticle distribution in the polymer matrix was investigated using x-ray diffraction. the heat resistance and mechanical properties of the film were measured by differential scanning calorimetry and tensile testing. investigation of n...

N. Nithya, R. Mahalakshmi, S. Sagadevan,

The study of amino acid based nonlinear optical (NLO) materials with optimum physical properties is an important area due to their practical applications such as optical communication, optical computing, optical information processing, optical disk data storage, laser fusion reactions, laser remote sensing, colour display, medical diagnostics, etc. Also, microelectronic industries require cryst...

Journal: :international journal of advanced design and manufacturing technology 0
nasim nayebpashaee iran university of science & technology h. n. vafaeenezhad s. m. m. hadavi s. m. m. hadavi s. h. seyedein m. r. aboutalebi

an attempt was made to investigate the thermal and residual stress distribution in a novel three layer (la 2 zr 2 o 7 / 8ysz/ nicraly) during a real-like heating regime which includes heating, service time and final cooling. for achieving maximum accuracy and consistency in calculation of thermal and mechanical properties of hybrid coating system, all related andrequired properties were introdu...

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