نتایج جستجو برای: 2d spouted bed
تعداد نتایج: 132027 فیلتر نتایج به سال:
In this research, the element free Galerkin is implemented to simulate the bed-load sediment transport equations in two dimensions. In this method, which is a meshless method, the computational domain is discretized by a set of arbitrarily scattered nodes and there is no need to use meshes, elements or any other connectivity information in nodes. The hydrodynamical part of sediment transport eq...
Solar thermochemical gasification is an opportunity for the production of sustainable fuels from carbonaceous resources including biomass. Substituting conventional processes by solar-driven technologies may enable cleaner H2-rich syngas while saving feedstock and alleviating CO2 emissions. This work addresses hybrid solar-autothermal mm-sized beech wood particles in a lab-scale 1.5 kWth spoute...
Several hybridization strategies of a solar-autothermal biomass gasifier were examined for stable and continuous operation under variable solar irradiation. The ultimate objective was to demonstrate the feasibility controlled syngas production, through modification oxygen, water, injection rates. Various probed by thermodynamic analysis experimentally validated. Thermodynamic equilibrium calcul...
The global demand for plastic is increasing year by due to its indispensable uses and excellent properties. Plastic wastes persist many years their slow deterioration cause severe environmental problems. Therefore, there a growing focus worldwide on waste disposal methods overcome adverse impacts. As plastics are petroleum-based materials, the pyrolysis of fuel oil, gases, char, has more concer...
UNLABELLED Three-dimensional (3D) PET acquisition has the potential to reduce image noise but the advantage of 3D PET for studies outside the brain has not been well established. To compare the performance of 2-dimensional (2D) and 3D acquisition for whole-body (18)F-FDG applications, a series of patient studies were performed using a lutetium oxyorthosilicate (LSO)-based tomograph. METHODS C...
The long-term goal of our research is to improve our understanding of ripple morphodynamics in wave-current, boundary-layer flows. Our main focus is on the study of sediment transport in oscillatory boundary layers in the presence of unidirectional currents and the associated bed morphology (i.e. 2D and 3D ripples). We hope to improve currently available bed state prediction tools. To this end,...
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