干旱区生态环境知识资源中心(Arid): Simulation-based performance analysis of residential direct evaporative coolers in four climate regions of Iran

Arid

DOI	10.1016/j.jobe.2020.101514
	Simulation-based performance analysis of residential direct evaporative coolers in four climate regions of Iran
	Naderi, Ehsan; Sajadi, Behrang; Naderi, Erfan; Bakhti, Babak
通讯作者	Sajadi, B
来源期刊	JOURNAL OF BUILDING ENGINEERING
ISSN	2352-7102
出版年	2020
卷号	32
英文摘要	In this paper, the effect of direct evaporative cooling (DEC) system design parameters, including the cooling pad saturation efficiency, the airflow rate, and the thermostat set-points on the system electricity and water consumption, is evaluated in four different climates of Iran according to Koppen-Geiger classification. EnergyPlus is used to perform the simulations for a typical residential apartment. The results show that using pads with a 30% higher saturation efficiency can significantly decrease the electricity and water consumption by up to 50.0% and 29.6%, respectively, because of the working time reduction. The maximum impact is in Esfahan city in cold desert climate as its wet-bulb temperature is lower than other investigated climates. Besides, increasing the airflow rate from 3000 m(3)/h to 6000 m(3)/h leads to 43.4%-55.2% reduction in electricity consumption in different climates, although the water consumption increases by 20.5%-58.8%. According to the results, by using the DEC system with 80% saturation efficiency and 6000 m(3)/h airflow rate, the average indoor relative humidity and CO2 concentration is 42.3%-48.5%, and 450 ppm-470 ppm, respectively, in different climates, which can provide acceptable indoor air quality. Increasing the saturation efficiency or decreasing the airflow rate increases the indoor relative humidity and CO2 concentration. The results are also compared with a typical packaged terminal air conditioner (PTAC). The total hours when the indoor relative humidity is out of comfort zone in the DEC system, with 60% saturation efficiency, are about 92% lower than the PTAC system, on average. Moreover, with 24/26 degrees C thermostat set-points, the PTAC system consumes 234%-265% more electricity than the DEC one with 80% saturation efficiency in different climates.
英文关键词	Direct evaporative cooling (DEC) Saturation efficiency Thermostat set-point Koppen-Geiger EnergyPlus
类型	Article
语种	英语
收录类别	SCI-E
WOS记录号	WOS:000588052000124
WOS关键词	COMPOSITE CLIMATE ; MODEL
WOS类目	Construction & Building Technology ; Engineering, Civil
WOS研究方向	Construction & Building Technology ; Engineering
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/327438
作者单位	[Naderi, Ehsan; Sajadi, Behrang] Univ Tehran, Coll Engn, Sch Mech Engn, Tehran, Iran; [Naderi, Erfan] KN Toosi Univ Technol, Sch Mech Engn, Tehran, Iran; [Naderi, Ehsan; Naderi, Erfan; Bakhti, Babak] Energy Keshvar Inc, Tehran, Iran
推荐引用方式 GB/T 7714	Naderi, Ehsan,Sajadi, Behrang,Naderi, Erfan,et al. Simulation-based performance analysis of residential direct evaporative coolers in four climate regions of Iran[J],2020,32.
APA	Naderi, Ehsan,Sajadi, Behrang,Naderi, Erfan,&Bakhti, Babak.(2020).Simulation-based performance analysis of residential direct evaporative coolers in four climate regions of Iran.JOURNAL OF BUILDING ENGINEERING,32.
MLA	Naderi, Ehsan,et al."Simulation-based performance analysis of residential direct evaporative coolers in four climate regions of Iran".JOURNAL OF BUILDING ENGINEERING 32(2020).