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Classification of particles in particle-laden stream through a stainless steel fibrous filter

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Abstract

This investigation experimentally explores the penetration curve of particles shot onto a stainless steel fibrous filter or a flat surface. The effect of the pore size of the stainless steel fibrous filter, with or without an oil coating, on the particle penetration was examined at various flow rates, nozzle diameters and dimensionless particle diameters, Sqrt(Stk). The penetration of the flat surface by particles was also determined for comparison. Experimental results demonstrate that oleic acid particles larger than Sqrt(Stk)50 are collected on the stainless steel fibrous filter with a low penetration, while smaller particles stay in the particle-laden stream with high penetration. The penetration of potassium chloride particles exceeds that of oleic acid particles, because potassium chloride particles bounce off the stainless steel fibrous filter and the flat surface. Particles bounce off the metal filter less easily than the flat surface. Coating the stainless steel fibrous filter with oil effectively reduces problems of particle bounce. The potassium chloride particles sucked the coated oil forming a small mountain on the surface. When the loaded particle mass on the coated stainless steel fibrous filter ranges between 0.4 and 2.3 mg, Sqrt(Stk)50 is a constant 0.35.

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Authors and Affiliations

  1. Department of Environmental Engineering and Health, Yuanpei University, Hsinchu, Taiwan

    Cheng-Hsiung Huang, Chung-Liang Chang & Tser-Sheng Lin

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  1. Cheng-Hsiung Huang
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  2. Chung-Liang Chang
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  3. Tser-Sheng Lin
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Correspondence to Cheng-Hsiung Huang.

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Huang, CH., Chang, CL. & Lin, TS. Classification of particles in particle-laden stream through a stainless steel fibrous filter. Korean J. Chem. Eng. 24, 413–417 (2007). https://doi.org/10.1007/s11814-007-0071-1

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  • DOI: https://doi.org/10.1007/s11814-007-0071-1

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