Visualization of the fluid behavior in the tank generated by the rotation of the impeller, accompanied by a moving boundary.
Moving Boundary: In the flow analysis of a mixing tank caused by the rotation of an impeller, we conducted a numerical simulation with moving boundaries to visualize the behavior of the fluid generated by the rotation of the impeller within the tank. The mixing and blending of fluids in a mixing tank is one of the important processes in the chemical and bio fields. There are various types of blade shapes, and the goal is to sufficiently mix and blend the contents inside the mixing tank. For more details, please download the catalog.
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【Analysis】 ○ The analysis grid models a cylindrical mixing tank with a capacity of approximately 680 liters. ○ An impeller composed of four blades (0.02 square meters per blade) is installed at the center of the mixing tank. ○ The mixing tank is filled with liquid (water), and the impeller at the center of the tank stirs the liquid by rotating 10 times per second (600 rpm). ○ The total number of grids is 137 (X) × 137 (Y) × 65 (Z) = 1,202,175. 【Analysis Results】 ○ Within 0.5 seconds of the impeller starting to rotate, the flow velocity expands from the vicinity of the impeller at the bottom of the mixing tank due to the rotation. ○ A downward flow is observed around the shaft immediately after the rotation begins. ○ As time passes, the fluid pushed out by the impeller flows upward along the walls of the tank. ○ The fluid above the tank is also seen to be mixed. ○ Using numerical simulations, the analysis varies the impeller's rotation speed and the shape and number of baffles (obstruction plates), impellers, and blades in the tank. ○ It is easy to visually capture active mixing areas and areas with insufficient mixing within the tank. ○ A comparison and examination of the overall capacity of the mixing tank can be conducted in a short time. ● For more details, please contact us or download the catalog.
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In environmental simulation, we are engaged in the independent development and sale of a three-dimensional fluid analysis program, as well as contract analysis services using this software. For over a decade, we have been involved in thermal fluid analysis in fields such as architecture, civil engineering, machinery, and electronics, handling numerous analyses and accumulating a wealth of know-how and knowledge. Our diverse analysis and visualization functions, honed through practical experience, have received high praise as CFD software from many companies and research institutions. ● Import function for BIM-compatible CAD data such as Revit and DXF ● Import function for geographic information system (GIS) data ● SuperCartesian function that freely represents diagonal boundaries and complex curved surfaces ● High-speed, high-precision radiation calculations and high-precision turbulence analysis using DNS ● Moving boundary problem analysis function that accommodates the movement of multiple objects in space ● User-friendly interface and easy-to-understand animation features Of course, we also provide software support and accept contract analyses. Focusing on air conditioning ventilation and wind environment analysis, we offer high cost-performance solutions for a wide range of problems, from simple and small-scale issues to complex and large-scale analyses. We look forward to your visit, along with our extensive analysis case studies.