Higher capacities of power plants together with increased awareness on environmental considerations have led to taller height of stacks. It is seen that strong wind can result in falling of stacks. So aerodynamic considerations of stacks is very important in order to save the falling of stacks. One stack is not enough in industries and power sectors and two or three stacks are required for proper operation of the unit. It is very important to arrange the stacks in proper way to resist their downfall. The present experimental study concentrates on the mutual effect of three nearby stacks on each other at three different arrangements, viz. linear, side-by-side and triangular. The experiments find out the directions of resultant forces acting on the stacks in different configurations so that proper arrangement of supports can be made with respect to the wind directionality obtained from local meteorological data. The other conclusions that could be drawn from these experiments are: (a) the second stack in along wind linear arrangement experiences the most drag and hence is much more susceptible to falling down with high gusts, whereas the last stack experiences the least drag and hence less prone to the downfall. (b) In side-by-side arrangement, although the middle one experiences maximum drag, the lift forces on the right and left stacks are far greater and hence the resultant force on them are much more in comparison to the middle one. (c) In the triangular arrangement also, the lift force being so pronounced on the right and left corner stacks, the resultant force on them will be much higher in comparison to that on the front stack sitting at the apex of the triangle. Thus, this study is important in studying the effect of wind force on three stacks in different arrangements and is very helpful in placing the supports in proper places in order to avoid failing of stack-like structures due to wind.
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ASME 2006 2nd Joint U.S.-European Fluids Engineering Summer Meeting Collocated With the 14th International Conference on Nuclear Engineering
July 17–20, 2006
Miami, Florida, USA
Conference Sponsors:
- Fluids Engineering Division
ISBN:
0-7918-4750-0
PROCEEDINGS PAPER
Experimental Measurements of Wind-Resistant Support in a Circular Stack Design Available to Purchase
Debojyoti Mitra,
Debojyoti Mitra
Jadavpur University, Kolkata, India
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Ashish Chakraborty,
Ashish Chakraborty
Development Consultants, Pvt. Ltd., Kolkata, India
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Sujata Bhattacharya,
Sujata Bhattacharya
Power Grid Corporation of India, Ltd., Haryana, India
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Subrata Dey,
Subrata Dey
Jadavpur University, Kolkata, India
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Sukritranjan Bhattacharya
Sukritranjan Bhattacharya
Jadavpur University, Kolkata, India
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Debojyoti Mitra
Jadavpur University, Kolkata, India
Ashish Chakraborty
Development Consultants, Pvt. Ltd., Kolkata, India
Sujata Bhattacharya
Power Grid Corporation of India, Ltd., Haryana, India
Subrata Dey
Jadavpur University, Kolkata, India
Sukritranjan Bhattacharya
Jadavpur University, Kolkata, India
Paper No:
FEDSM2006-98470, pp. 473-479; 7 pages
Published Online:
September 5, 2008
Citation
Mitra, D, Chakraborty, A, Bhattacharya, S, Dey, S, & Bhattacharya, S. "Experimental Measurements of Wind-Resistant Support in a Circular Stack Design." Proceedings of the ASME 2006 2nd Joint U.S.-European Fluids Engineering Summer Meeting Collocated With the 14th International Conference on Nuclear Engineering. Volume 1: Symposia, Parts A and B. Miami, Florida, USA. July 17–20, 2006. pp. 473-479. ASME. https://doi.org/10.1115/FEDSM2006-98470
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