Exergoeconomic Analysis of a Variable Area Solar Ejector Refrigeration System under Hot Climatic Conditions

Bourhan Tashtoush, Iscah Songa and Tatiana Morosuk ()
Additional contact information
Bourhan Tashtoush: Mechanical Engineering Department, Jordan University of Science and Technology, Ar Ramtha 3030, Jordan
Iscah Songa: Institute for Energy Engineering, Technische Universitat Berlin, Marchstr. 18, 10587 Berlin, Germany
Tatiana Morosuk: Institute for Energy Engineering, Technische Universitat Berlin, Marchstr. 18, 10587 Berlin, Germany

Energies, 2022, vol. 15, issue 24, 1-19

Abstract: The present study investigates low-grade heat utilization in ejector refrigeration systems under hot climatic conditions. A variable area ejector is used to maximize the harvested heat from the generator of the solar system at peak times. Exergy, economic, and exergoeconomic analyses are conducted to evaluate the performance of the system. A thermodynamic model of the system has been developed using Ebsilon Professional software. Available experimental and theoretical data validate the results. The effects of properties of the working fluids, ejector geometry, and operation conditions are also evaluated. It was found that the coefficient of performance of the system reached 0.45 at a generator pressure of 3 bars. Furthermore, it was noticed that the overall exergy efficiency could be increased for a fixed generator temperature while increasing the ejector area ratio. A value of 21% exergetic efficiency was calculated for the system. The exergoeconomic analysis of the system demonstrated that heat exchangers are required to be improved thermodynamically at the expense of the capital investment cost.

Keywords: ejector; refrigeration; solar collector; exergy analysis; exergoeconomic; optimization (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2022
References: View references in EconPapers View complete reference list from CitEc
Citations:

Downloads: (external link)
https://www.mdpi.com/1996-1073/15/24/9540/pdf (application/pdf)
https://www.mdpi.com/1996-1073/15/24/9540/ (text/html)

Related works:
This item may be available elsewhere in EconPapers: Search for items with the same title.

Export reference: BibTeX RIS (EndNote, ProCite, RefMan) HTML/Text

Persistent link: https://EconPapers.repec.org/RePEc:gam:jeners:v:15:y:2022:i:24:p:9540-:d:1005094

Access Statistics for this article

Energies is currently edited by Ms. Agatha Cao

More articles in Energies from MDPI
Bibliographic data for series maintained by MDPI Indexing Manager ().