Assessment of electricity and hydrogen production performance of evacuated tube solar collectors

被引：32
作者：
Atiz, Ayhan [1 ]
Karakilcik, Hatice [2 ]
Erden, Mustafa [3 ]
Karakilcik, Mehmet [3 ]
机构：
[1] Alanya Alaaddin Keykubat Univ, Fac Educ, Dept Math & Sci Educ, TR-07400 Antalya, Turkey
[2] Univ Cukurova, Fac Engn, Dept Geol, TR-01330 Adana, Turkey
[3] Univ Cukurova, Fac Sci & Letters, Dept Phys, TR-01330 Adana, Turkey
来源：
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY | 2019年 / 44卷 / 27期
关键词：
Evacuated tube solar collector; Solar pond; Hydrogen production; Exergy and energy efficiency; ORGANIC RANKINE-CYCLE; EXERGY ANALYSIS; ENERGY-SYSTEMS; POND;
D O I：
10.1016/j.ijhydene.2018.09.100
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
In this work, a unified renewable energy system has designed to assess the electricity and hydrogen production. This system consists of the evacuated tube solar collectors (ETSCs) which have the total surface area of 300 m(2), a salt gradient solar pond (SGSP) which has the surface area of 217 m(2), an Organic Rankine Cycle (ORC) and an electrolysis system. The stored heat in the heat storage zone (HSZ) transferred to the input water of the ETSCs by means of an exchanger and thereby ETSCs increase the temperature of preheated water to higher level as much as possible that primarily affects the performance of the ORC. The balance equations of the designed system were written and analyzed by utilizing the Engineering Equations Solver (EES) software. Hence, the energy and exergy efficiencies of the overall system were calculated as to be 5.92% and 18.21%, respectively. It was also found that hydrogen generation of the system can reach up to ratio 3204 g/day. (C) 2018 Hydrogen Energy Publications LLC. Published by Elsevier Ltd. All rights reserved.
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页码：14137 / 14144
页数：8
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