Evaluating the viability and performance enhancement of Ensete ventricosum fibre pads in evaporative cooling system

被引：0
作者：
Beyene E.G. [1 ]
Anjulo M.A. [2 ]
Ayenew D.B. [2 ]
机构：
[1] Renewable Energy Technology Research Centre, Arba Minch Institute of Technology, Arba Minch
[2] Faculty of Mechanical Engineering, Arba Minch Institute of Technology, Arba Minch
来源：
International Journal of Ambient Energy | 2024年 / 45卷 / 01期
关键词：
Ensete ventricosum fibre; evaporative cooling; NaOH–water solution; predictive mean vote; Thermal comfort;
D O I：
10.1080/01430750.2023.2288139
中图分类号：
学科分类号：
摘要：
This study mainly focused on enhancing the water absorption capacity of organic fibres to improve the performance of evaporative cooling pads. The enhancement involved immersing 10 g of Ensete fibre in different volumes of NaOH–water solution (for the cases of 0, 5, 10, and 20% NaOH and the remaining water). Saturation efficiency and predictive mean vote (PMV) were used to quantify performance assessment. The maximum saturation efficiency is 75.66%. The computed PMV for the hourly of 8:00 am through 5:00 pm ranges from –3.17 to –0.70 with much too cool in the early morning at 8:00 am comfortably cool at 9:00 am and 11:00 am and comfortable at 10:00 am, 12:00 am, 1:00 am, 2:00 am, 3:00 pm, 4:00 pm and 5:00 pm. Moreover, from 12:00 pm to 4:00 pm, they remained on the ASHRAE scale of thermal sensations, providing the best alternative to an evaporative cooling pad in the study area and similar air conditions for comfort applications. © 2024 Informa UK Limited, trading as Taylor & Francis Group.
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