Numerical Investigation of Ambient Temperature and Actual Impactor Plates Effects on Its Efficiency

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Faraji Kheyrabadi m.; KHERADMAND S.

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Journal: Modares Mechanical Engineering Year:2019 | Volume:19 | Issue:6 Page(s): 1327-1335

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Title

Numerical Investigation of Ambient Temperature and Actual Impactor Plates Effects on Its Efficiency

Author(s)

Faraji Kheyrabadi m. | KHERADMAND S. | Issue Writer Certificate

Keywords

Inertial ImpactorQ1

Eulerian–Q1

Lagrangian ApproachQ1

Collection EfficiencyQ1

Computational Fluid DynamicsQ1

Thermophoresis ForceQ1

Abstract

In the present work, an investigation and simulation of the air flow, containing solid suspended particles in the actual impactor is done studied; particles under investigation are in the micron range. The results of this work can be illustrated by simulating the motion of particles in an actual impactor, investigating the effects of temperature changes on the surrounding environment, and the impedance plates on the accumulation efficiency. In the first part, by deriving the governing equations for this phenomenon and choosing the appropriate numerical method for solving these equations, the path of particles motion is simulated. By determining the path of the particles, it is possible to determine the number of particles deposited on collecting plate, and then according to the mentioned relations, the Collection Efficiency is obtained for a laboratory experiment, which compared with laboratory values. This comparison indicates the acceptable accuracy of the chosen employed method. In the next section, by selecting particles with different densities, effect of the environment temperature and inlet air variations by assuming constant plate temperature, and collector plate temperature variation on the impactor efficiency have been investigated. The results show that the particle density affects the efficiency of impactor, and reduces the diameter of cut from 2. 2 to 4. 2 in micrometer range. Due to the increased viscosity of the air, the heating of impactor’ s environment reduces the efficiency of impactor. The results showed that temperature variation of the collection plate could also change the particle collecting efficiency.

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APA: Copy

Faraji Kheyrabadi, m., & KHERADMAND, S.. (2019). Numerical Investigation of Ambient Temperature and Actual Impactor Plates Effects on Its Efficiency. MODARES MECHANICAL ENGINEERING, 19(6 ), 1327-1335. SID. https://sid.ir/paper/178639/en

Vancouver: Copy

Faraji Kheyrabadi m., KHERADMAND S.. Numerical Investigation of Ambient Temperature and Actual Impactor Plates Effects on Its Efficiency. MODARES MECHANICAL ENGINEERING[Internet]. 2019;19(6 ):1327-1335. Available from: https://sid.ir/paper/178639/en

IEEE: Copy

m. Faraji Kheyrabadi, and S. KHERADMAND, “Numerical Investigation of Ambient Temperature and Actual Impactor Plates Effects on Its Efficiency,” MODARES MECHANICAL ENGINEERING, vol. 19, no. 6 , pp. 1327–1335, 2019, [Online]. Available: https://sid.ir/paper/178639/en

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