Experimental study of plate materials for evaporative air coolers

Pandelidis, Demis; Pacak, Anna; Cichoń, Aleksandra; Gizicki, Wojciech; Worek, William M.; Cetin, Sabri

doi:10.1016/j.icheatmasstransfer.2020.105049

Cited by 6 publications

(4 citation statements)

References 15 publications

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“…The basic material parameter studied in the previous works is the wicking height that was investigated in still ambient air at room temperature. The study of eight wicking materials for evaporative air coolers by Pandelidis et al [69] shows that the wicking height of the studied materials is in a range between 20 and 80 mm after 60 s. Our data in Figure 4a show that the wicking height reaches 44 mm after 11.6 s, demonstrating a very good wicking performance. Available data on the evaporation rate from the porous media, which are suitable for the comparison with our results, show that the evaporation rate of our sample is higher.…”

Section: Characterization Of Evaporative Functionalitysupporting

confidence: 53%

Section: Resultsmentioning

confidence: 99%

“…At present, the materials used in M-cycle HMXs include various types of porous polymers, fabrics, papers, ceramics, metals, and others [ 69 , 70 , 71 , 72 , 73 ]. Recently, these materials have been reviewed in [ 69 , 74 ]. The basic material parameter studied in the previous works is the wicking height that was investigated in still ambient air at room temperature.…”

Section: Resultsmentioning

confidence: 99%

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Evaporative and Wicking Functionalities at Hot Airflows of Laser Nano-/Microstructured Ti-6Al-4V Material

et al. 2023

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A novel multifunctional material with efficient wicking and evaporative functionalities was fabricated using hierarchical surface nano-/microstructuring by femtosecond laser micromachining. The created material exhibits excellent multifunctional performance. Our experiments in a wind tunnel demonstrate its good wicking and evaporative functionalities under the conditions of high-temperature airflows. An important finding of this work is the significantly enhanced evaporation rate of the created material compared with the free water surface. The obtained results provide a platform for the practical implementation of Maisotsenko-cycle cooling technologies for substantially increasing efficiency in power generation, thermal management, and other evaporation-based technologies. The developed multifunctional material demonstrates long-lasting wicking and evaporative functionalities that are resistant to degradation under high-temperature airflows, indicating its suitability for practical applications.

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Section: Characterization Of Evaporative Functionalitysupporting

confidence: 53%

Section: Resultsmentioning

confidence: 99%

Section: Resultsmentioning

confidence: 99%

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Evaporative and Wicking Functionalities at Hot Airflows of Laser Nano-/Microstructured Ti-6Al-4V Material

et al. 2023

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“…The use of locally available vegetable fibers has the advantage of using indigenous resources and thus becomes more sustainable. Examples include coconut fiber (Alam et al, 2017; Jain & Hindoliya, 2011; Liao et al, 1998; Rawangkul et al, 2008; Shekhar et al, 2016), cotton fibers and woven fabric (Liao et al, 1998; Pandelidis et al, 2020; Velasco‐Gómez et al, 2020), eucalyptus fibers (Doğramacı et al, 2019; Doğramacı & Aydın, 2020; Khosravi et al, 2020), jute fibers (Abdullah et al, 2019; Alam et al, 2017;Al‐Sulaiman, 2002; Ndukwu & Manuwa, 2015), Kraft paper (Barzegar et al, 2012; Pandelidis et al, 2020), luffa fibers (Al‐Sulaiman, 2002; De Melo et al, 2019), palash fibers and khus roots (Jain & Hindoliya, 2011, 2014), palm fibers (Al‐Sulaiman, 2002; Ndukwu & Manuwa, 2015), sack cloth (Alam et al, 2017), wood chips (Ahmed et al, 2011; Khosravi et al, 2020), straw (Ahmed et al, 2011), wood charcoal (Korese & Hensel, 2016; Ndukwu & Manuwa, 2015), rice husk (Soponpongpipat & Kositchaimongkol, 2011), and synthetic fibers (Pandelidis et al, 2020).…”

Section: Evaporative Cooling Wetted Mediamentioning

confidence: 99%

Direct evaporative cooling from wetted surfaces: Challenges for a clean air conditioning solution

Tejero‐González

Franco-Salas

2021

WIREs Energy & Environment

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Evaporative cooling has a major role to play in fighting climate change and in achieving a low‐carbon economy. As it helps to reduce energy demand for air conditioning, it is gaining attention in terms of improving energy efficiency in buildings. Evaporative cooling from wetted media can enhance water–air contact, thereby improving heat and mass transfer further and avoiding aerosols. Wetted media are commonly called evaporative cooling pads and are widely used in greenhouses, intensive livestock farming, and industrial facilities. However, a deep understanding of evaporative cooling pad performance can enhance their application to indoor occupied spaces such as residential or commercial cooling, or in hybrid air conditioning systems. Most studies analyze pad performance mainly in terms of pressure drop and saturation effectiveness. However, some studies propose alternative cooling efficiency parameters and others provide insights into key aspects such as power requirements and the coefficient of performance, water consumption, risk of water entrainment, material decay, and air quality, as well as the effect of water temperature and salinity, solar radiation, or wind speed. Existing results on these less studied performance issues are reviewed, and we identify the gaps in the literature in addition to highlighting the main challenges encountered, in an effort to guide future researchers in the field and enhance the application of direct evaporative cooling. This article is categorized under: Energy Efficiency > Systems and Infrastructure Energy Systems Analysis > Systems and Infrastructure

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Study of a nano-coated hydrophilic polymer for indirect evaporative cooler from wetting, thermal and corrosion resistance performance

Chen,

Liu,

Yan

et al. 2024

Applied Thermal Engineering

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Experimental study of plate materials for evaporative air coolers

Cited by 6 publications

References 15 publications

Evaporative and Wicking Functionalities at Hot Airflows of Laser Nano-/Microstructured Ti-6Al-4V Material

Evaporative and Wicking Functionalities at Hot Airflows of Laser Nano-/Microstructured Ti-6Al-4V Material

Direct evaporative cooling from wetted surfaces: Challenges for a clean air conditioning solution

Study of a nano-coated hydrophilic polymer for indirect evaporative cooler from wetting, thermal and corrosion resistance performance

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