Improving thermal performance of a solar thermal/desalination combisystem using nano fluid-based direct absorption solar collector

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KARAMI M.; Nasiri Gahraz S.S.

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Journal Paper

Paper Information

Journal: Scientia Iranica Year:2022 | Volume:29 | Issue:3 (Transactions B: Mechanical engineering) Page(s): 1288-1300

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Information Journal Paper

Title

Improving thermal performance of a solar thermal/desalination combisystem using nano fluid-based direct absorption solar collector

Author(s)

KARAMI M. | Nasiri Gahraz S.S. | Issue Writer Certificate

Keywords

Solar combisystem

Direct absorption solar collector

Nano uid

Humidification dehumidification desalination unit

Hot-dry climate

Economic analysis

Abstract

Depletion of freshwater resources and reduced rainfall in arid regions lead to water scarcity, which is exacerbated by population and urbanization growth. This study proposes a small-scale solar thermal/seawater desalination combisystem using a nano fluid-based Direct absorption solar collector and a humidi, cation and dehumidi, cation desalination unit to meet the domestic hot water, space heating, and fresh water needs of a residential building. The dynamic simulation of the system performance in the Hot-dry climate zone is done using the TRNSYS-MATLAB co-simulator. The results show that the use of the proposed combisystem reduces the annual energy consumption by 94. 3% and 17%, respectively, for the provision of domestic hot water and space heating requirements. The supply of freshwater demand ranges from 11. 3% to 100%. In addition, freshwater production decreased by an average of 18%. In the case of at-panel solar collectors, the fraction of solar energy used for domestic hot water and space heating needs was reduced by 3. 7% and 1. 7%, respectively, compared with nano fluid-based Direct absorption solar collectors. The payback period using nano fluid-based direct absorption and at plate solar collectors are 6. 4 and 7. 8 years, respectively.

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APA: Copy

KARAMI, M., & Nasiri Gahraz, S.S.. (2022). Improving thermal performance of a solar thermal/desalination combisystem using nano fluid-based direct absorption solar collector. SCIENTIA IRANICA, 29(3 (Transactions B: Mechanical engineering)), 1288-1300. SID. https://sid.ir/paper/1050657/en

Vancouver: Copy

KARAMI M., Nasiri Gahraz S.S.. Improving thermal performance of a solar thermal/desalination combisystem using nano fluid-based direct absorption solar collector. SCIENTIA IRANICA[Internet]. 2022;29(3 (Transactions B: Mechanical engineering)):1288-1300. Available from: https://sid.ir/paper/1050657/en

IEEE: Copy

M. KARAMI, and S.S. Nasiri Gahraz, “Improving thermal performance of a solar thermal/desalination combisystem using nano fluid-based direct absorption solar collector,” SCIENTIA IRANICA, vol. 29, no. 3 (Transactions B: Mechanical engineering), pp. 1288–1300, 2022, [Online]. Available: https://sid.ir/paper/1050657/en

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