Knowledge base for the systematic design of wet cooling towers. Part I: Selection and tower characteristics

Mohiuddin, A. K. M.; Kant, Keshav

doi:10.1016/0140-7007(95)00059-3

Cited by 60 publications

(25 citation statements)

References 4 publications

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“…Substituting equations (6) and (7) into equations (1) to (3) and (5), the following system of equations is…”

Section: Governing Differential Equationsmentioning

confidence: 99%

“…With the availability of fast and reliable computers, the governing differential equations can be solved numerically with a greater accuracy [3]. It is important to note that even after this, the Merkel model still remained in wide use, although various other detailed procedures and solutions for the design and rating of wet counterflow and cross-flow mechanical and natural draught cooling towers have been presented by various researchers [4][5][6][7][8][9]. However, Halasz [10] presented a general non-dimensional model that described all types of evaporative heat exchangers for counterflow, cross-flow, and parallel flow directions of water and air.…”

Section: Introductionmentioning

confidence: 99%

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An improved non-dimensional model of wet-cooling towers

Qureshi

Zubair

2006

Proceedings of the Institution of Mechanical Engineers, Part E:

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A general non-dimensional mathematical model of cooling towers is improved by including evaporation of water. The solution still consists of adjusting the assumed straight air-saturation line to the real air-saturation data, but a new constant (H) is added as well. Two solutions are proposed and the accuracy of each method is checked against data from the literature and also compared with the original solution. The first method shows a maximum decrease of 4.4 per cent in error, whereas in the second method, the maximum error was found to be 3.3 and 6.8 per cent when the inlet air was unsaturated and saturated, respectively.

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“…Substituting equations (6) and (7) into equations (1) to (3) and (5), the following system of equations is…”

Section: Governing Differential Equationsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

An improved non-dimensional model of wet-cooling towers

Qureshi

Zubair

2006

Proceedings of the Institution of Mechanical Engineers, Part E:

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“…The detailed thermal-hydraulic design of cooling towers is modeled with Merkel's method (Merkel, 1926). The required Merkel's number in each cooling tower, Me nct , is calculated using the four-point Chebyshev integration technique (Mohiudding and Kant, 1996) …”

Section: Model Formulationmentioning

confidence: 99%

Optimal Design of Cooling Water Systems

Rubio-Castro¹,

Ponce-Ortega²,

Serna‐González³

2011

Energy Management Systems

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“…Water distribution systems connect the cooling tower with the hydraulic circuit and spread the water over the fill. According to Mohiuddin and Kant [5], this process can be generally carried out by film flow and splash systems, composed by a water canal or nozzles, respectively. Water falls into the cooling tower and is distributed uniformly by the fill, which delays the water fall, and it favors the heat and mass transfer with the air stream.…”

Section: Introductionmentioning

confidence: 99%

Optimum Design and Operation of an HVAC Cooling Tower for Energy and Water Conservation

2017

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Abstract:The energy consumption increase in the last few years has contributed to developing energy efficiency policies in many countries, the main goal of which is decreasing CO 2 emissions. One of the reasons for this increment has been caused by the use of air conditioning systems due to new comfort standards. In that regard, cooling towers and evaporative condensers are presented as efficient devices that operate with low-level water temperature. Moreover, the energy consumption and the cost of the equipment are lower than other systems like air condensers at the same operation conditions. This work models an air conditioning system in TRNSYS software, the main elements if which are a cooling tower, a water-water chiller and a reference building. The cooling tower model is validated using experimental data in a pilot plant. The main objective is to implement an optimizing control strategy in order to reduce both energy and water consumption. Furthermore a comparison between three typical methods of capacity control is carried out. Additionally, different cooling tower configurations are assessed, involving six drift eliminators and two water distribution systems. Results show the influence of optimizing the control strategy and cooling tower configuration, with a maximum energy savings of 10.8% per story and a reduction of 4.8% in water consumption.

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Knowledge base for the systematic design of wet cooling towers. Part I: Selection and tower characteristics

Cited by 60 publications

References 4 publications

An improved non-dimensional model of wet-cooling towers

An improved non-dimensional model of wet-cooling towers

Optimal Design of Cooling Water Systems

Optimum Design and Operation of an HVAC Cooling Tower for Energy and Water Conservation

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