Browse > Article
http://dx.doi.org/10.3795/KSME-B.2009.33.4.225

Three-Dimensional Numerical Analysis on Recirculation Generated by Obstacles Around a Cooling Tower  

Choi, Young-Ki (중앙대학교 공과대학 기계공학부)
Publication Information
Transactions of the Korean Society of Mechanical Engineers B / v.33, no.4, 2009 , pp. 225-234 More about this Journal
Abstract
The present study has been preformed to investigate the effect of obstacles around a cooling tower with air-guide to prevent recirculation. The external region as well as the cooling tower are included in the computational domain to analyze the flow phenomena around a cooling tower accurately. Three-dimensional analysis is performed using the finite volume method with non-orthogonal and unstructured grid system. The standard turbulence model is used to consider the turbulence effect. In order to investigate the recirculation phenomena, flow and temperature fields are calculated with the distance between cooling tower and obstacle, the allocated geometrical type and the air-guide. The moisture fraction rates decrease with increment of the distance between cooling tower and obstacle. The effect of air-guide to reduce the mean recirculation rate is obviously observed.
Keywords
Air-guide; Cooling Tower; Numerical Simulation; Obstacle; Recirculation; Three-Dimension;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
연도 인용수 순위
1 Bergstrom, D. J., Derksen, D., and Rezkallah, K. S., 1993, 'Numerical Study of Wind Flow over a Cooling Tower,' J. Wind Eng. and Indust. Aero   DOI   ScienceOn
2 Kelly, N. W., 1976, Kelly's Handbook of Crossflow Cooling Tower Performance, Neil.W. Kelly and Associates, Kansas City, Mo
3 Buss, J. R., 1967, 'Control of Fog from Cooling Towers,' Cooling Tower Institute Annual Meeting, New York
4 Hanna, S. R., 1971, 'Meteorological Effects of Cooling Tower Plumes,' Cooling Tower Institute Winter Meeting, Houston
5 Takata, K., Nasu, K. and Yoshikawa. H, 1996, 'Prediction of the Plume from a Cooling Tower,' Cooling Tower Institute Annual Conference, Houston
6 Lee, J. H. and Choi, Y. K., 2006, 'Numerical Analysis on Recirculation Generated by Obstacles around a Cooling Tower,' Journal of Air-Conditioning and Refrigeration, Vol. 18, No. 7, 578-586   과학기술학회마을
7 Lowe, H. J. and Christie, D. G., 1961, 'Heat Transfer and Pressure Drop Data on Cooling Tower Packings, and Model Studies of the Resistance of Natural Draught Towers to Air Flow,' Proceedings International Heat Transfer Conference, Colorado, pp. 373-406
8 Majumdar, A. K., Singhal, A. K. and Spalding, D. B., 1983, 'VERA2D: Program for 2-D Analysis of Flow, Heat, and Mass Transfer in Evaporative Cooling Towers-Volume 1 and 2,' Electric Power Research Institute
9 PROPATH group, 1993, 'A Program Package for Thermophysical Properties of Fluids,' Version 8.1/MS-DOS, PROPATH group
10 Campbell, J. C., 1976, 'The Prevention of Fog from Cooling Towers,' Annual Meeting of the Cooling Tower Institute, Houston