نتایج جستجو برای: non linear thermal radiation
تعداد نتایج: 2088195 فیلتر نتایج به سال:
application of feed pellets in animal and aquatic farming industries has grown because of both the physical and the nutritional benefits it provides. development of feed pellets manufacturing industry is also considerable. steam conditioning process, which plays an important role in pelleting production, includes heating feed particles, adding moisture, and mixing the mash. pellets cooling and ...
Objectives: The present article investigates the steady flow of hydromagnetic Casson fluid past an inclined stretched sheet with existence nonlinear radiation and Joule heating effects. Methods: A numerical model is established then solved using BVP4c MATLAB technique. Findings: In this work we described about influence Grashof number, non-uniform heat source, Biot parameter, hydrodynamics, rad...
The numerical scrutiny of unsteady incompressible magneto-hydrodynamics (MHD) for blood flow in carbon nano tubes (CNTs), past a sensor surface has been presented under the influences viscous dissipation, resistive heating, and thermal radiation. variables without having dimensions have deployed to alter reigning equations, which are non-linear, coupled partial differential equations (PDEs), in...
Some Areas of Ramsar, a city in northern Iran are among the world’s wellknown inhabited areas with highest levels of natural radiation. Annual exposure levels in these areas are up to 260 mGy y‐1 and the mean exposure rate is about 10 mGy y‐1 for a population of about 2000 residents. If elevated levels of natural radiation as high as a few hundred mSv per year is detrimental to health and...
A radiation-hardened 12-bit non-linear DAC was designed and fabricated on Honeywell’s 0.35 μm MOI5 SOI CMOS process. The non-linear DAC allows a significant reduction in complexity and power dissipation when used within direct digital frequency synthesizers (DDFSs). The non-linear DAC implements a 32-segement piecewise linear approximation to sine function reducing the ROM look-up table size fr...
This paper investigates the thermal and irradiation-dependent dehydration and kinetics occurring in Na2SO4.10H2O (mirabilite) and MgSO4.7H2O (epsomite) at room conditions by using powder X-ray thermodiffraction. An improved version of a first optically stimulated X-ray diffractometer prototype was used. Specific software for the thermodiffraction study was developed (XPowder PLUS) and a filter ...
Coral reefs are one of the world's most threatened ecosystems, with global and local stressors contributing to their decline. Excessive sea-surface temperatures (SSTs) can cause coral bleaching, resulting in coral death and decreases in coral cover. A SST threshold of 1 °C over the climatological maximum is widely used to predict coral bleaching. In this study, we refined thermal indices predic...
Physical characteristics of different features in desert is a reflection of severe thermal and climatic conditions. In this paper, diurnal surface temperature patterns of important surface features in Lut Desert were studied and the relationship among different surfaces analyzed. Diurnal trend in surface temperature of surface types, marl, dark sand, light sand, salt-affected soil, soul at 10 c...
Medical linear accelerators (linacs) are used efficiently in radiation therapy for tumor treatments. In these devices interaction of high energy photons (greater than 7 MeV) with the target, flattening filters, collimators and even body and patients bed produce secondary particles such as neutrons(photo-neutron production). The purpose of this study is measuring the neutrons dose produced in me...
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