Entrainment by two-dimensional spill plumes

✍ Scribed by M. Poreh; H.P. Morgan; N.R. Marshall; R. Harrison

• Book ID: 104341815
• Publisher: Elsevier Science
• Year: 1998
• Tongue: English
• Weight: 491 KB
• Volume: 30
• Category: Article
• ISSN: 0379-7112
• DOI: 10.1016/s0379-7112(97)00036-2

✦ Synopsis

ABS¹RAC¹

A simple model is proposed for estimating the mass entrainment into twodimensional (2D) free plumes. ¹he model rests on the assumption that the entrainment into the curved section of a spilling plume is approximately equal to the entrainment into a vertical free plume rising through the same height. ¹he model is shown to be in good agreement with measurements in several small-scale models. ¹he measured entrainment coefficient for the 2D plumes in the scale model studies, which had been determined from measurements of entrainment into the vertical portion of those plumes, was found to be around C K "0)44, slightly below recently proposed values for unbounded 2D plumes. It is suggested that the observed deviations from the proposed model of measurements in two small-scale models of atria might have been caused by the relatively small size or shape of those atria.