A cogeneration cycle comparative analysis with parallel arrangement

Refrigeration and power are the most desirable requirements in commercial places and offices. Goswami cycle is one of the solutions to generate power and refrigeration simultaneously with less pollution. In the Goswami cycle, the power and refrigeration streams are connected in series, the refrigera...

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Main Authors: R. Raveendra Nath, K. Hemachandra Reddy, C. Vijaya Bhaskar Reddy
Format: Article
Language:English
Published: Elsevier 2022-02-01
Series:Alexandria Engineering Journal
Subjects:
Online Access:http://www.sciencedirect.com/science/article/pii/S1110016821003768
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author R. Raveendra Nath
K. Hemachandra Reddy
C. Vijaya Bhaskar Reddy
author_facet R. Raveendra Nath
K. Hemachandra Reddy
C. Vijaya Bhaskar Reddy
author_sort R. Raveendra Nath
collection DOAJ
description Refrigeration and power are the most desirable requirements in commercial places and offices. Goswami cycle is one of the solutions to generate power and refrigeration simultaneously with less pollution. In the Goswami cycle, the power and refrigeration streams are connected in series, the refrigeration output is limited in a series arrangement. In the present study, parallel streams are proposed to improve the performance of the cycle. In the Goswami cycle, the saturated vapour is enriched for power and refrigeration. In the present study, the saturated vapour is used for the power generation, the saturated liquid is flashed to the intermediate pressure, and the generated wet vapours are enriched for refrigeration processes. It is observed that power generation is increasing with an increase in dryness fraction and the fall in basic solution concentration, whereas the refrigeration effect is growing with the fall in dryness fraction and increase in basic solution concentration. The modified cycle is consistently generating higher output than the conventional cycle. The thermal efficiency of the Kalina flash cycle is 29.05% higher and the exergy efficiency is 5.61% lesser than the Goswami cycle.
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spelling doaj.art-39ba7ad077d34011ae7b23cb336e8b612022-12-21T23:09:54ZengElsevierAlexandria Engineering Journal1110-01682022-02-0161211711181A cogeneration cycle comparative analysis with parallel arrangementR. Raveendra Nath0K. Hemachandra Reddy1C. Vijaya Bhaskar Reddy2Department of Mechanical Engineering, Jawaharlal Nehru Technological University Ananthapur, Ananthapuramu 515002, India; Corresponding author.Department of Mechanical Engineering, Jawaharlal Nehru Technological University Ananthapur, Ananthapuramu 515002, IndiaDepartment of Mechanical Engineering, Sri Venkateswara College of Engineering and Technology, Chittoor 517127, IndiaRefrigeration and power are the most desirable requirements in commercial places and offices. Goswami cycle is one of the solutions to generate power and refrigeration simultaneously with less pollution. In the Goswami cycle, the power and refrigeration streams are connected in series, the refrigeration output is limited in a series arrangement. In the present study, parallel streams are proposed to improve the performance of the cycle. In the Goswami cycle, the saturated vapour is enriched for power and refrigeration. In the present study, the saturated vapour is used for the power generation, the saturated liquid is flashed to the intermediate pressure, and the generated wet vapours are enriched for refrigeration processes. It is observed that power generation is increasing with an increase in dryness fraction and the fall in basic solution concentration, whereas the refrigeration effect is growing with the fall in dryness fraction and increase in basic solution concentration. The modified cycle is consistently generating higher output than the conventional cycle. The thermal efficiency of the Kalina flash cycle is 29.05% higher and the exergy efficiency is 5.61% lesser than the Goswami cycle.http://www.sciencedirect.com/science/article/pii/S1110016821003768Kalina cycleCogeneration cycleThermal efficiencyExergy efficiency
spellingShingle R. Raveendra Nath
K. Hemachandra Reddy
C. Vijaya Bhaskar Reddy
A cogeneration cycle comparative analysis with parallel arrangement
Alexandria Engineering Journal
Kalina cycle
Cogeneration cycle
Thermal efficiency
Exergy efficiency
title A cogeneration cycle comparative analysis with parallel arrangement
title_full A cogeneration cycle comparative analysis with parallel arrangement
title_fullStr A cogeneration cycle comparative analysis with parallel arrangement
title_full_unstemmed A cogeneration cycle comparative analysis with parallel arrangement
title_short A cogeneration cycle comparative analysis with parallel arrangement
title_sort cogeneration cycle comparative analysis with parallel arrangement
topic Kalina cycle
Cogeneration cycle
Thermal efficiency
Exergy efficiency
url http://www.sciencedirect.com/science/article/pii/S1110016821003768
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