干旱区生态环境知识资源中心(Arid): Energy, exergy, economic and ecological analyses of a diurnal radiative water cooler

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DOI	10.1016/j.rser.2021.111676
	Energy, exergy, economic and ecological analyses of a diurnal radiative water cooler
	Ananthakrishnan, K.; Bijarniya, Jay Prakash; Sarkar, Jahar
通讯作者	Sarkar, J (corresponding author), Indian Inst Technol BHU, Dept Mech Engn, Varanasi 221005, Uttar Pradesh, India.
来源期刊	RENEWABLE & SUSTAINABLE ENERGY REVIEWS
ISSN	1364-0321
EISSN	1879-0690
出版年	2021
卷号	152
英文摘要	The increase in energy demand for water cooling in nearby future encourages the use of metamaterial-based passive radiative water cooler, which has application potential in a highly-populated country like India. However, an energy-exergy-economic feasibility study with the best tube design is essential before implementation due to climatic diversity, but not yet been studied. Hence, this paper deals with the analysis of the passive radiative water cooler and the study of its performance with respect to the variable water mass flow rate and water tube geometry. The research presents the monthly variation of cooling performance, cooler efficiency and COP concerning Indian cities of different climatic conditions. The study also carries out exergy, economic and ecological analyses and proposes a new exergy model. Results reveal that the cooling performance is low for humid climate as compared to arid climate. For a total cooling panel area of 10.75 m(2) and water flow rate of 0.03 kg/s, a maximum water temperature drop of 3.63 degrees C with an associated cooling capacity of 42.46 W/m(2) is obtained at Jaisalmer in October (arid climate). The least performance is obtained at Chennai in May (humid climate). Results also reveal that the semicircular channel increases temperature drop and cooling capacity by 15.8% and 14.8%, respectively, over the circular channel. Exergy analysis shows very high entropy generation and hence very low exergy efficiency for radiative cooling. The use of the radiative cooler over the electric cooler produces a maximum annual operational cost saving of 19.25% and carbon dioxide mitigation of 1.987 kg.
英文关键词	Diurnal radiative water cooler Meteorological conditions Cooling water tube geometry Entropy generation Operational cost savings Carbon dioxide mitigation
类型	Article
语种	英语
收录类别	SCI-E
WOS记录号	WOS:000708524200007
WOS类目	Green & Sustainable Science & Technology ; Energy & Fuels
WOS研究方向	Science & Technology - Other Topics ; Energy & Fuels
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/368133
作者单位	[Ananthakrishnan, K.; Bijarniya, Jay Prakash; Sarkar, Jahar] Indian Inst Technol BHU, Dept Mech Engn, Varanasi 221005, Uttar Pradesh, India
推荐引用方式 GB/T 7714	Ananthakrishnan, K.,Bijarniya, Jay Prakash,Sarkar, Jahar. Energy, exergy, economic and ecological analyses of a diurnal radiative water cooler[J],2021,152.
APA	Ananthakrishnan, K.,Bijarniya, Jay Prakash,&Sarkar, Jahar.(2021).Energy, exergy, economic and ecological analyses of a diurnal radiative water cooler.RENEWABLE & SUSTAINABLE ENERGY REVIEWS,152.
MLA	Ananthakrishnan, K.,et al."Energy, exergy, economic and ecological analyses of a diurnal radiative water cooler".RENEWABLE & SUSTAINABLE ENERGY REVIEWS 152(2021).