302299

Performance Evaluation of Solar Energy-driven Binary Rankine Cycle under Egyptian Climatic Conditions

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Last updated: 04 Jan 2025

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Abstract

The importance of the Organic Rankine Cycle (ORC) comes from dealing with lowquality energy sources resulting from many thermodynamic processes. This type of 
low-level energy source permanently causes heat emissions, global warming, as well 
as climatic changes in which our world lives today. Re-exploitation of this type of 
energy contributes to the production of the required energy for various industrial 
purposes, as well as the production of electrical power. In this paper, the ORC is 
integrated with the Steam Rankine Cycle (SRC) as a bottoming cycle which can be 
called, the Binary Rankine Cycle (BRC) to generate 5MW net power. As there are 
two fluids used in the system, water in the topping cycle and organic fluid in the 
bottoming cycle. The BRC may utilize solar energy as a heating source. With the 
increasing need for efficient and low-cost energy solutions, it is essential to 
understand the thermal performance of a system built in different climates. The 
performance of the system is carried out and compared with different organic fluids 
R134a, R245fa, and R1234yf at different steam turbine inlet temperatures, pressures, 
and back pressures. The study reveals that the R245fa BRC has the best performance 
followed by the R134af BRC and then the R1234yf BRC. Also, the study aimed to 
determine the best solar collector area in Aswan, Hurghada, & Cairo.

DOI

10.21608/erj.2023.302299

Keywords

The importance of the Organic Rankine Cycle (ORC) comes from dealing with lowquality energy sources resulting from many thermodynamic processes. This type of low-level energy source permanently causes heat emissions, Global Warming, as well as climatic changes in which our world lives today. Re-exploitation of this type of energy contributes to the production of the required energy for various industrial purposes, as well as the production of electrical power. In this paper, the ORC is integrated with the Steam Rankine Cycle (SRC) as a bottoming cycle which can be called, the Binary Rankine Cycle (BRC) to generate 5MW net power. As there are two fluids used in the system, water in the topping cycle and organic fluid in the bottoming cycle. The BRC may utilize solar energy as a heating source. With the increasing need for efficient and low-cost energy solutions, it is essential to understand the thermal performance of a system built in different climates. The performance of the system is carried out and compared with different organic fluids R134a, R245fa, and R1234yf at different steam turbine inlet temperatures, pressures, and back pressures. The study reveals that the R245fa BRC has the best performance followed by the R134af BRC and then the R1234yf BRC. Also, the study aimed to determine the best solar collector area in Aswan, Hurghada, & Cairo

Authors

First Name

Mohamed

Last Name

A. M. Morsy

MiddleName

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Affiliation

Mechanical Power Engineering Department, Faculty of Engineering EL-Mattaria, Helwan University

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First Name

A.

Last Name

Mostafa

MiddleName

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Affiliation

Mechanical Power Engineering Department, Faculty of Engineering EL-Mattaria, Helwan University Energy and Renewable Energy Engineering Program, Faculty of Engineering and Technology, Egyptian Chinese University.

Email

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City

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Orcid

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First Name

Mohamed

Last Name

A. A. Nawar

MiddleName

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Affiliation

Mechanical Power Engineering Department, Faculty of Engineering EL-Mattaria, Helwan University

Email

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City

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Orcid

-

First Name

E.

Last Name

Elgendy

MiddleName

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Affiliation

Mechanical Engineering Department, College of Engineering and Technology-Cairo Campus, Arab Academy for Science, Technology and Maritime Transport (AASTMT), Egypt.

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Volume

178

Article Issue

0

Related Issue

41636

Issue Date

2023-06-01

Receive Date

2023-06-06

Publish Date

2023-06-01

Page Start

242

Page End

264

Print ISSN

1110-5615

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https://erj.journals.ekb.eg/article_302299.html

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https://erj.journals.ekb.eg/service?article_code=302299

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302,299

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Original Article

Type Code

998

Publication Type

Journal

Publication Title

Engineering Research Journal

Publication Link

https://erj.journals.ekb.eg/

MainTitle

Performance Evaluation of Solar Energy-driven Binary Rankine Cycle under Egyptian Climatic Conditions

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Article

Created At

24 Dec 2024