Effects of free convection and mass transfer on the flow past an impulsively moving infinite vertical circular cylinder

✍ Scribed by F.S. Lien; Cha'o-Kuang Chen; Yih-Min Chang

• Publisher: Elsevier Science
• Year: 1985
• Tongue: English
• Weight: 397 KB
• Volume: 12
• Category: Article
• ISSN: 0735-1933
• DOI: 10.1016/0735-1933(85)90061-2

✦ Synopsis

The effects of free convection and ross transfer are taken into account for the Stokes' problem of the flow near an impulsively moving infinite vertical circular cylinder. Expressions of the velocity, temperature, concentration and skin friction of the fluid in closed form are obtained by the Laplace transform tec~mlque. The results based on various values of the parameters Gr (Grashof ntmlber), Gm (modified Grashof number), Sc (Schmldt number) and Pr (Prandtl ntmber) are given in graphical form. It will be seen that there is a rise in the velocity due to the presence of a foreign mass. But higher Sc yields the lower velocity and skin friction. As the radius of the circular cylinder approaches to infinite, the results presented in this paper agree with those of V. M. Soundalgekar's and C. K. Chen's etc. for the flow past an impulsively moving infinite vertical plate.