Chemical - Engineering

A STUDY OF MASS TRANSFER INTO A LIQUID FALLING FILM IN SPIRAL TUBES USING CO2 – WATER SYSTEM

       Experimental investigation of the mass transfer characteristics of  – water system falling film in spiral tubes has been done. Several experiments were performed on the average mass transfer liquid film

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FRICTION REDUCTION CAUSED BY THE ADDITION OF ADDITIVES INTO A TURBUIENT FLOW

Carboxy methyl cellulose, two anionic surfactants, Sodium stearate,Sodium lauryl sulfate and suspended clay as drag reducers have been investigated in this work, to reduce the frictional resistance and to save pumping power for turbulent pipe flow. The turbulent mode was produced via a positive displacement gear pump to avoid mechanical degradation of additives chains during the experimental period.

English