Performance enhancement of flat-plate and parabolic trough solar collector using nanofluid for water heating application

被引：37

作者：

Abu-Zeid, Mostafa AbdEl-Rady ^{[1
]}

Elhenawy, Yasser ^{[2
,3
]}

Bassyouni, Mohamed ^{[4
,5
,6
]}

Majozi, Thokozani ^{[3
]}

Toderas, Monica ^{[7
]}

Al-Qabandi, O. A. ^{[8
]}

Kishk, Sameh Said ^{[1
]}

机构：

[1] Suez Canal Univ, Fac Agr, Dept Agr Engn, Ismailia 41522, Egypt

[2] Port Said Univ, Fac Engn, Dept Mech Power Engn, Port Said 42526, Egypt

[3] Univ Witwatersrand, Sch Chem & Met Engn, 1 Jan Smuts Ave, ZA-2000 Johannesburg, South Africa

[4] Port Said Univ, Fac Engn, Dept Chem Engn, Port Said 42526, Egypt

[5] Port Said Univ, Ctr Excellence Membrane Based Water Desalinat Tech, Port Said 42526, Egypt

[6] East Port Said Univ Technol, North Sinai 45632, Egypt

[7] Fac Sci, Univ St 1, Oradea 410087, Romania

[8] Amer Univ Middle East, Coll Engn & Technol, Egaila 54200, Kuwait

来源：

RESULTS IN ENGINEERING | 2024年 / 21卷

关键词：

Solar collector; Nanofluid; Thermal efficiency; Greenhouse gas; THERMAL PERFORMANCE; CARBON NANOTUBE; CONDUCTIVITY; RECEIVER; EFFICIENCY; TEMPERATURE; ENERGY; CFD;

D O I：

10.1016/j.rineng.2023.101673

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Flat plate solar collector (FPSC) and parabolic trough solar collector (PTSC) are widely used for residential solar water heating (SWH) applications. This work studied two different solar collector systems. Nanofluid and its influence on the residential solar water heating (SWH) systems were investigated. The two SWH systems were designed, installed, tested, and compared at varying mass flow rates (mf) of 0.47, 1.05, and 1.75 kg min-1 in ambient environmental conditions. The comparative study was conducted according to thermal efficiency (eta th), useful energy gain (QU), stored energy (QS), outlet hot water temperature (To), and difference temperature (Delta T) between the cold inlet and hot outlet water from the collectors. The analysis of outcomes showed that the PTSC was more efficient than FPSC. The FPSC and PTSC systems performance were investigated using two different types of nanofluids. Carbon nanotubes in water and ethylene glycol were utilized. A remarkable improvement in the average thermal efficiency 64.1 % and 80.6 % of FPSC and PTSC systems using ethylene glycol nanofluid were obtained respectively. The total reduction in CO2 emissions was 31.26 kg/day and 39.28 kg/day for the FPSCs and PTSCs, respectively in the presence of ethylene glycol nanofluid. A significant saving in CO2 release is owing to the renewable clean energy of solar collectors.

引用

页数：13

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