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Paper Information
Journal:   MODARES MECHANICAL ENGINEERING   July 2021 , Volume 21 , Number 7 ; Page(s) 441 To 452.
 
Paper: 

Evaluation Of The Efficiency Of Hybrid Dry Cooling Tower By Placing The Air Cooling Condenser Inside The Heller Cooling Tower
 
 
Author(s):  Gharebaei H., Jahangiri A.*, Ameri M.
 
* Faculty of Mechanical and Energy Engineering, Shahid Beheshti University, Tehran, Iran
 
Abstract: 
The Heller towers are the most common types of power plants cooling towers، where their efficiency is very sensitive to wind. According to the general approach of cooling systems designer، Direct dry cooling (ACC) systems are more popular today in power plants located in arid areas. In Heller towers due to the empty space inside them, in this study, instead of proposing the replacement of ACC towers, the hybrid model is proposed, where steam is Directly passed into the ACC radiators without fan installed inside the Heller Tower, and condenses with a natural suction mechanism. The flow around the proposed model is investigated in three dimensions in two cases of no wind and at 8 different wind speeds with the assumption of incompressibility flow by the continuity, momentum, energy, and turbulence equations. The hybrid tower performance has been compared with the Fars power plant cooling system and it has been shown that the proposed cooling tower has performed 25% better than the Fars cooling system in no wind condition. It has also performed better in wind conditions at different speeds except for speeds above 12. 5 m/s at a parallel and vertical array with the wind of ACCs. A vertical array of ACCs performance has been better than the parallel array. Therefore, the hybrid model with a vertical array of ACCs can be efficient to replace the cooling system of the Fars power plant.
 
Keyword(s): Direct Dry Cooling Towers,Natural Draft Dry Cooling Towers (Heller),Computational Fluid Dynamics,Hybrid Model
 
 
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APA: Copy

Gharebaei, H., & JAHANGIRI, A., & AMERI, M. (2021). Evaluation of the Efficiency of Hybrid Dry Cooling Tower by Placing the Air Cooling Condenser inside the Heller Cooling Tower. MODARES MECHANICAL ENGINEERING, 21(7 ), 441-452. https://www.sid.ir/en/journal/ViewPaper.aspx?id=825058



Vancouver: Copy

Gharebaei H., JAHANGIRI A., AMERI M.. Evaluation of the Efficiency of Hybrid Dry Cooling Tower by Placing the Air Cooling Condenser inside the Heller Cooling Tower. MODARES MECHANICAL ENGINEERING. 2021 [cited 2022May19];21(7 ):441-452. Available from: https://www.sid.ir/en/journal/ViewPaper.aspx?id=825058



IEEE: Copy

Gharebaei, H., JAHANGIRI, A., AMERI, M., 2021. Evaluation of the Efficiency of Hybrid Dry Cooling Tower by Placing the Air Cooling Condenser inside the Heller Cooling Tower. MODARES MECHANICAL ENGINEERING, [online] 21(7 ), pp.441-452. Available: https://www.sid.ir/en/journal/ViewPaper.aspx?id=825058.
 
 
Persian Abstract Yearly Visit 39
 
 
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