Problems in activating the hydrodynamic situation in technological apparatus

Conclusions

-- As active hydrodynamic regimes (AHR) we may consider only those regimes at which by means of hydrodynamics an intensification of the process is obtained at high economic indices and at good finished product quality.

-- The degree of activity of a hydrodynamic regime depends ont he technological problem. It may be evaluated from the economic optimicity criterion, the characteristic function method, or also from the ratio of the exergetic efficiency cofficients, which characterize operation of the apparatus before and after the intensification.

-- Devices have been examined for activating hydrodynamic regimes and technological apparatus (the use of fluidized bed regimes, nonstationary conditions for phase interaction, the application of fields of various physical nature, mechanical actions, and so forth).

-- In connection with the problem of dust clean-up after apparatus having an AHR for gas-solid-phase systems, highly efficient dust traps with an AHR of the CTS type have been examined (with countercurrent twisted streams), and also other technological apparatus with an AHR (multifunctional CTS apparatus, apparatus with a twisted fluidized bed), which were developed in the Department of Processes and Apparatus of the MTI.

This article is an abbreviated variant of a report of the author at the Plenary Session of the Third All-Union Scientific-Technical Conference “Development and Introduction of Contemporary Apparatus with Active Hydrodynamic Regimes for the Textile Industry and for Man-Made Fibre Manufacture.”