Energy, exergy and economic analysis for a combined cooling heat and power system: A case study for a university campus
Efficient power generation systems are required because of the rapid increase in demand for energy in industry, commerce, and residence. Systems that produce power and heat can have higher efficiency. In this work, a Combined Cooling Heat and Power (CCHP) system with a gas turbine is used to produce...
| Main Authors: | , |
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| Format: | Article |
| Language: | English |
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Elsevier
2023-09-01
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| Series: | Case Studies in Thermal Engineering |
| Subjects: | |
| Online Access: | http://www.sciencedirect.com/science/article/pii/S2214157X23006998 |
| _version_ | 1797729944935071744 |
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| author | Ramon Peruchi Pacheco da Silva Shariar Amini |
| author_facet | Ramon Peruchi Pacheco da Silva Shariar Amini |
| author_sort | Ramon Peruchi Pacheco da Silva |
| collection | DOAJ |
| description | Efficient power generation systems are required because of the rapid increase in demand for energy in industry, commerce, and residence. Systems that produce power and heat can have higher efficiency. In this work, a Combined Cooling Heat and Power (CCHP) system with a gas turbine is used to produce electric power for chillers and hot water for a university campus. The current energy plant for the university is described, showing the annual cost for each sub-system, and the cooling and heating demands. Five gas turbines are analyzed and used with a heat exchanger to produce hot water in the CCHP system. A thermodynamic model has been developed based on the parameters given by gas turbine manufacturers for the energy, exergy, and economic analysis. The thermodynamic and exergy calculations are compared with literature to verify the results. The difference between the company data and the thermodynamic model is 6.9% for turbine outlet temperature, and 0.3% for thermal efficiency. The average exergetic efficiency of the proposed energy plant is 45%. Siemens – 5.4 MW has the lowest payback and the highest ROI with 2.54 and 7.48%, respectively. The annual fuel cost for the Solar – Taurus 60 is US$1.2 million. |
| first_indexed | 2024-03-12T11:36:56Z |
| format | Article |
| id | doaj.art-e47a18c3419646abac183596138bb026 |
| institution | Directory Open Access Journal |
| issn | 2214-157X |
| language | English |
| last_indexed | 2024-03-12T11:36:56Z |
| publishDate | 2023-09-01 |
| publisher | Elsevier |
| record_format | Article |
| series | Case Studies in Thermal Engineering |
| spelling | doaj.art-e47a18c3419646abac183596138bb0262023-09-01T05:02:08ZengElsevierCase Studies in Thermal Engineering2214-157X2023-09-0149103393Energy, exergy and economic analysis for a combined cooling heat and power system: A case study for a university campusRamon Peruchi Pacheco da Silva0Shariar Amini1Corresponding author.; Department of Mechanical Engineering, The University of Alabama, AL, Tuscaloosa, United StatesCorresponding author.; Department of Mechanical Engineering, The University of Alabama, AL, Tuscaloosa, United StatesEfficient power generation systems are required because of the rapid increase in demand for energy in industry, commerce, and residence. Systems that produce power and heat can have higher efficiency. In this work, a Combined Cooling Heat and Power (CCHP) system with a gas turbine is used to produce electric power for chillers and hot water for a university campus. The current energy plant for the university is described, showing the annual cost for each sub-system, and the cooling and heating demands. Five gas turbines are analyzed and used with a heat exchanger to produce hot water in the CCHP system. A thermodynamic model has been developed based on the parameters given by gas turbine manufacturers for the energy, exergy, and economic analysis. The thermodynamic and exergy calculations are compared with literature to verify the results. The difference between the company data and the thermodynamic model is 6.9% for turbine outlet temperature, and 0.3% for thermal efficiency. The average exergetic efficiency of the proposed energy plant is 45%. Siemens – 5.4 MW has the lowest payback and the highest ROI with 2.54 and 7.48%, respectively. The annual fuel cost for the Solar – Taurus 60 is US$1.2 million.http://www.sciencedirect.com/science/article/pii/S2214157X23006998Gas turbineCase studyExergyThermo-economic modelCombined cooling heat and power (CCHP) |
| spellingShingle | Ramon Peruchi Pacheco da Silva Shariar Amini Energy, exergy and economic analysis for a combined cooling heat and power system: A case study for a university campus Case Studies in Thermal Engineering Gas turbine Case study Exergy Thermo-economic model Combined cooling heat and power (CCHP) |
| title | Energy, exergy and economic analysis for a combined cooling heat and power system: A case study for a university campus |
| title_full | Energy, exergy and economic analysis for a combined cooling heat and power system: A case study for a university campus |
| title_fullStr | Energy, exergy and economic analysis for a combined cooling heat and power system: A case study for a university campus |
| title_full_unstemmed | Energy, exergy and economic analysis for a combined cooling heat and power system: A case study for a university campus |
| title_short | Energy, exergy and economic analysis for a combined cooling heat and power system: A case study for a university campus |
| title_sort | energy exergy and economic analysis for a combined cooling heat and power system a case study for a university campus |
| topic | Gas turbine Case study Exergy Thermo-economic model Combined cooling heat and power (CCHP) |
| url | http://www.sciencedirect.com/science/article/pii/S2214157X23006998 |
| work_keys_str_mv | AT ramonperuchipachecodasilva energyexergyandeconomicanalysisforacombinedcoolingheatandpowersystemacasestudyforauniversitycampus AT shariaramini energyexergyandeconomicanalysisforacombinedcoolingheatandpowersystemacasestudyforauniversitycampus |