http://repository.iitr.ac.in/handle/123456789/12397| Title: | Study of buoyant jets in natural ventilation of a model room |
| Authors: | Subudhi, Sudhakar Sreenivas K.R. Arakeri J.H. |
| Published in: | International Journal of Heat and Mass Transfer |
| Abstract: | Buoyant jets in natural ventilation of a model room with water as the fluid medium have been studied. A constant heat flux has been maintained on the bottom surface of the room. The buoyancy causes flow to enter through the bottom opening and leave through the top opening. The shadowgraph technique is used for visualization. At the inlet, a negatively buoyant jet is observed, whereas a positively buoyant jet is observed at the outlet. The theoretical results for the centerline trajectories of these buoyant jets using both Gaussian and top-hat profiles are discussed considering the variation of the entrainment coefficient with the local Froude number and the variation of the spreading ratio of buoyancy to velocity profile with the distance from the source. The shape of the profiles is found to evolve from top-hat to Gaussian geometry. © 2013 Elsevier Ltd. All rights reserved. |
| Citation: | International Journal of Heat and Mass Transfer (2013), 64(): 91-97 |
| URI: | https://doi.org/10.1016/j.ijheatmasstransfer.2013.04.027 http://repository.iitr.ac.in/handle/123456789/12397 |
| Issue Date: | 2013 |
| Keywords: | Gaussian profile Natural ventilation Negatively buoyant jet Positively buoyant jet Top-hat profile |
| ISSN: | 179310 |
| Author Scopus IDs: | 54407504100 57198395297 35581295800 |
| Author Affiliations: | Subudhi, S., Department of Mechanical and Industrial Engineering, Indian Institute of Technology, Roorkee, India Sreenivas, K.R., Jawaharlal Nehru Centre for Advanced Scientific Research, Bangalore, India Arakeri, J.H., Department of Mechanical Engineering, Indian Institute of Science, Bangalore, India |
| Corresponding Author: | Subudhi, S.; Department of Mechanical and Industrial Engineering, Indian Institute of Technology, Roorkee, India; email: subudfme@iitr.ernet.in |
| Appears in Collections: | Journal Publications [ME] |
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