نتایج جستجو برای: thermophysical properties
تعداد نتایج: 869625 فیلتر نتایج به سال:
The article presents the results of experimental research thermophysical properties asphalt concrete various compositions based on oil bitumen and bituminous rock, which have been carried out laboratory unit LKT-1 using horizontal flat layer method. It is shown that use rocks in composition road makes it possible to obtain a material not only with best physical mechanical properties, but also l...
Heat transfer operations are very common in the process industry to a huge amount of thermal energy, i.e., heat, from one fluid another for different purposes. Many fluids used as heat (HTF), which water is most HTF due its high specific availability, and affordability. However, conventional HTFs, including water, have lower conductivity, critical thermophysical property, hence decreased effici...
Introduction Single anatase TiO2 nanowire is synthesized using electrospinning technique and is then bridged over a preprocessed 100 m-wide TEM grid for thermal characterization. Transient electrothermal method is applied with proper calibration process for determining major thermophysical properties. SEM diagnostics of the sample show that calcinations for crystal structure transition from am...
A microscopic spin model is proposed for the phenomenological Zimm-Bragg model for the helix-coil transition in biopolymers. This model is shown to provide the same thermophysical properties of the original Zimm-Bragg model and it allows a very convenient framework to compute statistical quantities. Physical origins of this spin model are made transparent by an exact mapping into a one-dimensio...
A new method based on the thermal quadrupoles technique for heat transfer modelling in multilayered slabs with heat sources is proposed. Classical thermal quadrupoles use hyperbolic functions and numerical problems occur according to the argument value that depends on thermophysical and geometrical properties as well as characteristics times. We propose a new formulation based on exponential fu...
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