3D PARTICLE IMAGE VELOCIMETRY FLOW TEST RIG
GOAL
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Akaer’s simulation services count on the support of 300+ professionals from various fields of activity, with capacity and execution of a production and industrialization engineering: production planning, process and process qualification, creation of manufacturing routines and assembly, analysis and testing of GD & T, CN programming and robots, design and manufacture of tools, among others.
PARTICLE IMAGE VELOCIMETRY PARTICLE
Particle Image Velocimetry (PIV) is a non-intrusive optical technique that measures two velocity vector components simultaneously over an two-dimensional flow area. Tracer particles are introduced into the flow, and their scattered light are imaged by high resolution camera at two points in time close to each other. Short pulse illumination (pulsed laser) is used to “freeze” particle motion. Their displacements are then calculated statistically over a grid, for each grid cell area. Knowing the pulse separation and the image scale, the displacement field can be converted into a velocity vector field.
STEREO PARTICLE IMAGE VELOCIMETRY
In stereo PIV two (or more) camera perspectives are used to obtain different projections of three-dimensional particle motion. The projection of three dimensional motion along the different camera perspectives results in measureable particle displacements which may be combined to obtain an unambiguous measurement of three-components of displacement and from this three-components of velocity. The optimal angular separation for measuring all three components of velocity is 90 degrees and for a standard camera arrangement where the image and lens planes are parallel it will not be possible to achieve good focus over the whole of the imaged measurement plane. This problem is rectified by tilting the image plane such that the plane of the light sheet, the lens and the image plane intersect at a point. This is termed Scheimpflug tilt and as well as allowing particles over the whole image plane to be focused properly also introduces a perspective distortion.
CHARACTERISTIC NUMBERS
Evaluated numbers from flow test data:
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discharge coefficient (αK)
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ca (average axial velocity)
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Swirl
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Tumble
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Cross-Tumble
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Swirl for y+/y-
ROADMAP SAMPLE
SIMULATION WITH VIRTUAL REALITY VALIDATION
EQUIPMENT LAYOUT SIMULATION COMBINED WITH VIRTUAL REALITY
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Models validation through an interactive view of the scenario to be implemented, identifying modifications in preliminary phases
LOAD AND EXISTING INFRASTRUCTURE CAPACITY ASSESSMENT
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Different production scenarios evaluation allowing the complete understanding of the factory flow to identify possible bottlenecks and raise possibilities of customized and targeted adjustments
INDUSTRIAL / FACTORY PLANT OPTIMIZATION
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Demonstrate a leaner production process option with an optimized configuration for the scenario under analysis (labor, buffer size, cost and others)
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Em conformidade com os requisitos do cliente o processo como um todo é otimizado para alcançar resultados consistentes e com previsões realistas de paradas.
LAYOUT SIMULATION WITH APPLICATION OF LEARNING CURVES AND PROCESS FAILURES
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The simulation becomes closer to the real scenario when modeling the maturity evolution of the process performers and considering failures in the simulation model
SCENARIOS SIMULATION WITH VARIATIONS AND IDENTIFICATION OF THE BEST CONFIGURATION OF THE PRODUCTION LINE
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Multiple combinations of the process configuration and its results are presented, giving the analyst a more assertive database for decision makin
SIMULATION OF PRODUCTIVE PLANT TO EVALUATE IMPACT ON THE PRODUCTION OF THE USE OF VARIABLE RESOURCES
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Equipe multidisciplinar de pesquisa e desenvolvimento focada nos problemas de simulação fabril.
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Dedicated team with 5.000h+ of simulation experience in Plant Simulation and Process Simulate
