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Volume 11
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10.3390/app11052389
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Article

An Optimization Study to Evaluate the Impact of the Supercritical CO2 Brayton Cycle’s Components on Its Overall Performance

by
Khaled Alawadhi
1,*,
Abdullah Alfalah
2,
Bashar Bader
1,
Yousef Alhouli
1 and
Ahmed Murad
1
1
Department of Automotive and Marine Engineering Technology, College of Technological Studies, The Public Authority for Applied Education and Training, Shuwaikh, Kuwait City 70654, Kuwait
2
Automotive Department, Industrial Institute at Sabah Alsalem, The Public Authority for Applied Education and Training, Sabah Alsalem, Kuwait City 70654, Kuwait
*
Author to whom correspondence should be addressed.
Appl. Sci. 2021, 11(5), 2389; https://doi.org/10.3390/app11052389
Submission received: 17 January 2021 / Revised: 12 February 2021 / Accepted: 19 February 2021 / Published: 8 March 2021
(This article belongs to the Special Issue Recent Advances in Sustainable Process Design and Optimization)
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Abstract

The rising environmental problems due to fossil fuels’ consumption have pushed researchers and technologists to develop sustainable power systems. Due to properties such as abundance and nontoxicity of the working fluid, the supercritical carbon (sCO2) dioxide Brayton cycle is considered one of the most promising technologies among the various sustainable power systems. In the current study, a mathematical model has been developed and coded in Matlab for the recompression of the supercritical carbon dioxide Brayton cycle sCO2-BC. The real gas properties of supercritical carbon dioxide (sCO2) were incorporated into the program by pairing the NIST’s Refporp with Matlab© through a subroutine. The impacts of the various designs of the cycle’s individual components have been investigated on the performance of sCO2−BC. The impact of various sedative cycle parameters, i.e., compressor’s inlet temperature (T1), and pressure (P1), cycle pressure ratio (Pr), and split mass fraction (x), on the cycle’s performance (ηcyc) were studied and highlighted. Moreover, an optimization study using the genetic algorithm was carried out to find the abovementioned cycle’s optimized values that maximize the cycle’s per-formance under provided design constraints and boundaries.
Keywords: recompression sCO2-BC; multiobjective genetic algorithm (MOGA); recuperator; cycle simulation recompression sCO2-BC; multiobjective genetic algorithm (MOGA); recuperator; cycle simulation

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MDPI and ACS Style

Alawadhi, K.; Alfalah, A.; Bader, B.; Alhouli, Y.; Murad, A. An Optimization Study to Evaluate the Impact of the Supercritical CO2 Brayton Cycle’s Components on Its Overall Performance. Appl. Sci. 2021, 11, 2389. https://doi.org/10.3390/app11052389

AMA Style

Alawadhi K, Alfalah A, Bader B, Alhouli Y, Murad A. An Optimization Study to Evaluate the Impact of the Supercritical CO2 Brayton Cycle’s Components on Its Overall Performance. Applied Sciences. 2021; 11(5):2389. https://doi.org/10.3390/app11052389

Chicago/Turabian Style

Alawadhi, Khaled, Abdullah Alfalah, Bashar Bader, Yousef Alhouli, and Ahmed Murad. 2021. "An Optimization Study to Evaluate the Impact of the Supercritical CO2 Brayton Cycle’s Components on Its Overall Performance" Applied Sciences 11, no. 5: 2389. https://doi.org/10.3390/app11052389

APA Style

Alawadhi, K., Alfalah, A., Bader, B., Alhouli, Y., & Murad, A. (2021). An Optimization Study to Evaluate the Impact of the Supercritical CO2 Brayton Cycle’s Components on Its Overall Performance. Applied Sciences, 11(5), 2389. https://doi.org/10.3390/app11052389

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