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 that visualizes the behavior of the fluid within the tank, incorporating moving boundaries. 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 of the mixing tank. For more details, please download the catalog.
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【Analysis】 ○ The analysis grid models a cylindrical stirring tank with a capacity of approximately 680 liters. ○ An impeller consisting of four blades (0.02 square meters per blade) is installed at the center of the stirring tank. ○ The tank is filled with liquid (water), and the impeller at the center of the tank stirs the liquid by rotating at 10 revolutions 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 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. ○ It is also visible that the fluid above the tank is being stirred. ○ Using numerical simulations, the analysis varies the impeller's rotation speed and the shape and number of baffles (obstruction plates) and blades. ○ It is easy to visually capture the actively mixed regions and inadequately mixed regions within the tank. ○ A comparison and examination of the overall capacity of the stirring 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 develop and sell proprietary 3D fluid analysis programs and provide contract analysis services using these software tools. For over a decade, we have been engaged 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 functionality for BIM-compatible CAD data such as Revit and DXF ● Map information (GIS) data import functionality ● SuperCartesian functionality 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 functionality that accommodates the movement of multiple objects in space ● User-friendly interface and easy-to-understand animation features In addition to software support, we also accept contract analyses. Focusing on air conditioning ventilation and wind environment analysis, we provide high cost-performance solutions for a wide range of problems, from simple, small-scale issues to complex, large-scale analyses. We look forward to your visit, along with our abundant analysis case studies.