Experimental study of the energy and exergy performance of a plastic mesh evaporative pad used in air conditioning applications

Ramírez, Javier Ruiz; Martínez, Pedro García; Kaiser, Antonio Sánchez; Lucas, M.

doi:10.1016/j.applthermaleng.2018.04.065

Cited by 65 publications

(33 citation statements)

References 21 publications

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“…As they use less structured materials, they require a case to contain the wetted media and distribute the air and water flows within. Trickle fills are fill pads made of plastic or metal mesh, which present less incrustations and admit larger air and water flows with limited pressure drop and high saturation effectiveness [15,16].…”

Section: Wetted Porous Mediums For Evaporative Coolingmentioning

confidence: 99%

“…High air velocities have been repeatedly correlated to lower saturation effectiveness [16,33,40,46,48,53,61,65,69,[74][75][76]94,96], temperature drop [42,75,91] and relative humidity variation [42,53,91], but also to larger pressure drops [15,31,39,41,46,48,96], water consumption [3,15,31,39,40,42,46,75,91], as well as heat and mass transfer coefficients [3,15,61].…”

Section: Air Velocity/flow Ratementioning

confidence: 99%

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Optimal operation of evaporative cooling pads: A review

Tejero‐González

Franco-Salas

2021

Renewable and Sustainable Energy Reviews

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Direct evaporative cooling is widely known for being an energy efficient air conditioning solution for arid and/or semi-arid climates. Commercialized evaporative cooling pads vary in material and construction characteristics, while existing research proposes several alternative wetted media and configurations. The most studied factors on the evaporative cooling pads operation are the air velocity or air mass flow rate, air psychrometric conditions; the pad thickness, its geometric characteristics and configuration, and the water flow rate supplied. The pads performance is commonly characterized through its saturation effectiveness, pressure drop, temperature drop and humidity increase achieved in the treated air, water evaporation and consumption, cooling capacity, coefficient of performance and the heat and mass transfer coefficients. Present work conducts a critical review on the existing experimental and theoretical research on commercial and alternative wetted media, identifies the gaps in the literature, proposes uniform nomenclature and methodologies, and provides a critical view on the optimal operating conditions from wetted-surface evaporative coolers.

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Section: Wetted Porous Mediums For Evaporative Coolingmentioning

confidence: 99%

Section: Air Velocity/flow Ratementioning

confidence: 99%

Optimal operation of evaporative cooling pads: A review

Tejero‐González

Franco-Salas

2021

Renewable and Sustainable Energy Reviews

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“…Martínez. et al [13] experimented on evaporative cooling system with three different pad size, 80, 16-and 250-mm thickness. Air velocity, water flow rate and thickness of pad varied.…”

Section: Introductionmentioning

confidence: 99%

Parametric Analysis for Varying Packing Materials and Water Temperatures in a Humidifier

Salins¹,

Siddiqui²,

Reddy³

2020

Proceedings of the 7th International Conference on Fluid Flow, Heat and Mass Transfer (FFHMT'20)

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“…Martinez et al introduced a new type of evaporative pad made up of high‐density polyethylene mesh having different thicknesses (80, 160, and 250 mm) and studied its thermal behavior in a wind tunnel over a wide range of air and water flow rate. It was observed that 250 mm thickness pad exhibited a maximum saturation efficiency of 80.5% and decreased with decreasing pad thickness and increasing air velocity.…”

Section: Introductionmentioning

confidence: 99%

Experimental and thermal analysis of energy efficient novel design wet cooling towers

Raj

Prakash

Pathak

2019

Heat Trans. Asian Res.

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Waste heat is generally dissipated from process water to atmospheric air in cooling towers. In the present study, a novel design is used to extract more amount of heat without any additional energy input by incorporating secondary ambient air in an induced draft wet cooling tower. In addition, more fresh air is induced in the tower from the rain zone, which increases the effectiveness at any value of the water to air flow rate (L/G ratio). Moreover, tower characteristics, range, and evaporation loss were also increased due to the novel design. It is noteworthy that secondary fresh air increases effectiveness, heat rejection, and tower characteristics by 10.12%, 19.65%, and 26.11%, respectively, and decreases approach by 16.32% at 0.55 L/G ratio, 44°C inlet water temperature, 29.7°C dry bulb temperature, and 18.4°C inlet air wet bulb temperature.

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Experimental study of the energy and exergy performance of a plastic mesh evaporative pad used in air conditioning applications

Cited by 65 publications

References 21 publications

Optimal operation of evaporative cooling pads: A review

Optimal operation of evaporative cooling pads: A review

Parametric Analysis for Varying Packing Materials and Water Temperatures in a Humidifier

Experimental and thermal analysis of energy efficient novel design wet cooling towers

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