Optimization of parameters of autobalancers for dynamic balancing of impeller of axial fans by 3D modeling
DOI:
https://doi.org/10.15587/1729-4061.2014.30498Keywords:
axial fan, auto-balancing, optimization of parameters, dynamic balancing, 3D-simulation, multifactorial experimentAbstract
Optimize the parameters of ball-type auto-balancers for balancing of dynamic unbalance of the impeller axial fan by minimizing the time of occurrence of auto-balancing. Apply the theory of multifactor experiments. The experiment was conducted virtually. 3D-model of the fan and AB were created in computer CAD SolidWorks. The model corresponds to the full-scale axial fan № 4 Series FA 06-300. The dynamics were simulating with using of the module Cosmos Motion. The experimental results were processed by software package for statistical analysis STATISTICA.
We find the domains of parameters inside of which time of onset of auto-balancing does not exceed the specified time. It is established that in a selected range of variation of optimized parameters, auto-balancing fastest occurs at the lowest stiffness and the greatest viscosity of the supports of the fan. Just found that the decrease of the mass of the ball, in general, increases the time of occurrence of auto-balancing. It is shown that the proper choice of the parameters of AB and supports of fan can provide offensive of auto-balancing for 6–7 sec onds and without optimization of parameters this time may exceed 75 seconds.
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