Innovations
Vol. 13 (2025), Issue 2, pg(s) 48-51

INNOVATIVE SOLUTIONS

Investigation of the local permeability of filter materials by methods with the opposite direction of local air flows

  • 1 State research and production powder metallurgy association – Minsk, Republic of Belarus; State Scientific Institution “O.V. Roman Powder Metallurgy Institute” – Minsk, Republic of Belarus
  • 2 State Scientific Institution “O.V. Roman Powder Metallurgy Institute” – Minsk, Republic of Belarus

Abstract

The results of investigations of local permeability of filter materials (PFM) made of powders of tin-phosphor bronze, titanium and nickel of various fractions are presented by two methods: by one method the local flow was directed to the sample from the measuring head, and by another method the local flow entered the measuring head after passing through the sample. It is established that both methods display the uniformity of the distribution of local permeability over the surface of the filter material (filtration surface) and can be used to assess the permeability of the filter material. The advantages and disadvantages of these methods are described.

Keywords

References

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