Farzad Parvaz's research while affiliated with Semnan University and other places
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Publications (3)
The multi‐staged Tesla valve was optimized by minimizing the forward pressure drop (FPD) and maximizing the reverse pressure drop (RPD). First, CFD simulations were conducted. Second, surrogate‐based optimization (SBO) was done. Finally, an explicit correlation between the objective functions and the variables was developed to estimate target funct...
Louvered separators are widely used in many engineering applications. This study aims to optimize four geometrical parameters: the blade length (Lb), the gap between blades (Hg), and the dust container width (Ld) and height (Hd). The objective functions were the Euler number and cut-off diameter. First, a direct multi-objective optimization study w...
In this study, the effect of roughness of cyclone wall on the rate of erosion and cyclone performance was studied using the CFD technique with the aid of the Ansys-Fluent 19.2 software. The Reynolds stress transport model was used to simulate the airflow turbulence in the rotating flows in the cyclone. The validated computational model was used, an...
Citations
... Since particle feeding is low (3 − 5%) in the cyclone separators, the effect of particleparticle collisions is neglected [40]. The particle equation of motion is given as [8,[54][55][56][57][58], Effect of the Reynolds number on variations of (a) static pressure, (b) tangential velocity, (c) axial velocity, profiles on line S1. ...
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... Once the impact velocity and angle of the particles hitting a surface are determined, the erosion rate and pattern can be obtained by implementing correlations for erosion. Such an approach has been extensively used in the literature to investigate erosion in elbows [8,9], valves [10], pipes [11] and cyclones [4,[12][13][14]. ...
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