Results 251 to 260 of about 138,161 (301)
Stress Effects in Drying Polymer Films
MRS Proceedings, 1994 AbstractA model is developed to predict the magnitude and pattern of stress due to drying of polymer films. This model combines diffusion-and-convection equation with large deformation elasto-viscoplasticity, utilizing concentration dependent elastic and viscoplastic material properties to better represent the behavior of drying thin films.The results ...
S. Y. Tam +2 more
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Unidimensional Simulation of Drying Stress in Radiata Pine Wood
Drying Technology, 2015 This article reports an experimental and numeric methodology for studying the development of internal stresses during drying of solid wood. For validation purposes, tests were performed for drying of radiata pine at the equivalent of constant air-drying ...
CARLOS Salinas +2 more
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Stress relaxation properties of bananas during drying
Journal of Texture Studies, 2021AbstractBananas' mechanical properties are affected by the ripening and the drying processes since they induce profound microstructural changes. In this study, first, the interacting effect of the ripening and the drying processes on the mode of viscoelastic behavior of bananas was investigated.
Fidele M. Abedi, Pawan S. Takhar
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RATE OF DRYING AND STRESSES IN THE FIRST PERIOD OF DRYING∗
Drying Technology, 2000ABSTRACT The paper presents a computer simulated processes and illustrate how the drying induced stresses are influenced by the rate of drying. It is shown that the moisture transport coefficient, and thus the rate of drying, depends on the thermal state of the drying material, defined by the wet-bulb temperature.
Stefan Jan Kowalski, Andrzej Rybicki
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Stress Fluctuations in Drying Polymer Dispersions
Langmuir, 2010Drying polymer dispersions usually experience tensile stress, induced by the reduction in volume and by the rigid substrate. Due to edge-in drying, the stress is usually heterogeneous over the film. Stress peaks play a decisive role in the formation of cracks.
Alexander M, König +1 more
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Dry Stress-Induced Phosphorylation ofPhysarumActin
Biochemical and Biophysical Research Communications, 1998Protein phosphorylation plays important roles in a variety of stress responses. Although plasmodium of Physarum polycephalum rapidly grows and shows an active cytoplasmic streaming under nutrient and wet conditions, dry stress transforms plasmodium into a dormant state called sclerotium.
K, Furuhashi +3 more
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Modelling of stress due to shrinkage during drying of spaghetti
Journal of Food Engineering, 2003 The aim of this study is to model the stress building in a solid product which shrinks during drying, in order to choose the best drying parameters to avoid cracks formation.
Jesus M Frías
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Stress development in drying coatings
Journal of Applied Polymer Science, 2001AbstractAs a solvent‐cast polymeric coating dries, each part reaches a concentration at which it solidifies and develops elastic modulus. Thereafter, as further solvent departs, that part shrinks out‐of‐plane, but not in‐plane, if the coating adheres to its substrate. Hence, it develops in‐plane elastic stress.
H. Lei +5 more
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Drying stresses and strains in a spherical food model
Computers & Chemical Engineering, 2009An approach to model the drying mechanical effects occurring in a single sphere, representing a food model, is proposed. The mechanical properties were evaluated through compression tests and drying kinetics data were obtained under a laminar fluid flow.
L. S. Arrieche +2 more
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INFLUENCE OF THE DRYING MEDIUM PARAMETERS ON DRYING INDUCED STRESSES
Drying Technology, 2000A thermomechanical model of drying of capillary-porous materials whose material constants depend on moisture content and temperature is presented in the paper. The finite element method is used for the solution of two-dimensional problem of convective drying of a prismatic bar.
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