Journal ArticleDOI
Deciphering the thermal and hydraulic performances of closed wet cooling towers with plain, oval and longitudinal fin tubes
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In this paper, the authors numerically investigate the thermal-hydraulic performances of the closed wet cooling towers (CWCTs) installed with plain, oval, and longitudinal fin tubes in the heat exchanger.About:
This article is published in Applied Thermal Engineering.The article was published on 2017-06-25. It has received 25 citations till now. The article focuses on the topics: Annular fin & Fin (extended surface).read more
Citations
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Investigation of heat transfer in mechanical draft wet cooling towers using infrared thermal images: An experimental study.
TL;DR: In this article, the authors investigated the thermal performance of mechanical draft wet cooling towers by changing various parameters such as hot water temperature, water flow rate, air mass flow rate and stage numbers of packing.
Journal ArticleDOI
Experimental investigation of fill pack impact on thermal-hydraulic performance of evaporative cooling tower
TL;DR: In this paper, the effect of fill pack design on hydraulic and thermal characteristics of an evaporative cooling tower (ECT) with a developed fill pack was investigated, and the results indicated that maximum cooling efficiency of the studied fill packs was observed at the low wetting rates according to the Merkel number.
Journal ArticleDOI
Bench-Scale Experimental Study on the Heat Transfer Intensification of a Closed Wet Cooling Tower Using Aluminum Oxide Nanofluids
TL;DR: In this article, the authors designed an experimentally investigated the intensification effect of Al2O3/water nanofluid used as the spray fluid on the thermal performance of counterflow closed wet cooling towers (CWCTs).
Journal ArticleDOI
Optimization of multi-plants cooling water system
Jiaze Ma,Yufei Wang,Xiao Feng +2 more
TL;DR: In this paper, a mixed-integer nonlinear programming (MINLP) problem is formulated to obtain the cooling water system with minimized total annual cost with the objective of minimizing the cooling tower and pipeline layout.
Journal ArticleDOI
Synthesis cooling water system with air coolers
TL;DR: In this paper, an optimization model for synthesizing cooling water system with air coolers is presented, where the water cooling, air cooling, pumping scheme and cooling tower are simultaneously optimized.
References
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Journal ArticleDOI
CFD applications in various heat exchangers design: A review
Muhammad Mahmood Aslam Bhutta,Nasir Hayat,Muhammad Hassan Bashir,Ahmer Rais Khan,Kanwar Naveed Ahmad,Sarfaraz Khan +5 more
TL;DR: In this paper, a literature review focuses on the applications of Computational Fluid Dynamics (CFD) in the field of heat exchangers, and the quality of the solutions obtained from these simulations are largely within the acceptable range proving that CFD is an effective tool for predicting the behavior and performance of a wide variety of heat- exchangers.
Journal ArticleDOI
CFD simulation of wet cooling towers
Rafat Al-Waked,Masud Behnia +1 more
TL;DR: In this paper, the effects of the following operating parameters on the thermal performance of the NDWCT have been investigated: droplet diameter, inlet water temperature, number of nozzles, water flow rate and number of tracks per nozzle.
Journal ArticleDOI
Numerical study on the cooling performance of natural draft dry cooling tower with vertical delta radiators under constant heat load
TL;DR: In this paper, a 3D numerical model for a natural draft dry cooling tower with vertical delta radiators (NDDCTV) under constant heat load was established, and the aerodynamic field around cooling deltas was analyzed at windless and cross-wind conditions, so as to clarify the impacts of ambient air temperature and air inflow deviation angle on the performance of cooling columns.
Journal ArticleDOI
Simplified model for indirect-contact evaporative cooling-tower behaviour
Pascal Stabat,Dominique Marchio +1 more
TL;DR: In this paper, a simplified model for indirect cooling towers behavior is presented, which is devoted to building simulation tools and fulfils several criteria such as simplicity of parameterisation, accuracy, possibility to model the equipment under various operation conditions and short computation time.
Journal ArticleDOI
Performance investigation of plain and finned tube evaporatively cooled heat exchangers
Ala Hasan,Kai Sirén +1 more
TL;DR: In this paper, the performance of two evaporatively cooled heat exchangers is investigated under similar operating conditions of air flow rates and inlet hot water temperatures, and the results reveal higher thermal utilisation of the occupied volume by the finned tubes with the same energy index.