Mass transfer in a nonuniform impinging jet: Part II. Boundary layer flow-mass transfer

✍ Scribed by M. T. Scholtz; Olev Trass

• Publisher: American Institute of Chemical Engineers
• Year: 1970
• Tongue: English
• Weight: 743 KB
• Volume: 16
• Category: Article
• ISSN: 0001-1541
• DOI: 10.1002/aic.690160118

✦ Synopsis

Abstract

Exact solutions of the boundary layer equations were used to calculate the local mass transfer coefficients for an impinging jet with a parabolic velocity distribution. Boundary conditions were obtained from an inviscid flow solution and also from experimental pressure distributions. Experimental data for the air/naphthalene system were in good agreement with theoretical results. Mass transfer from the impingement surface was independent of nozzle height in the range 0.5 to 12 nozzle radii. For lower nozzle heights the effect of the constriction of flow between the nozzle and the surface led to increased transfer rates near the nozzle wall; data followed the predicted behavior.