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Volume 17, Issue 4 (1-2015) |
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In this research, a Combined Cooling, Heat and Power (CCHP) system based on a solid oxide fuel cell (SOFC) is introduced. In order to obtain a solution, the reforming, electrochemical and thermal models are introduced and solved simultaneously. In order to use the part of heat that is more than demand, two scenario are suggested. In both scenarios excess heat is used to steam generation. In the first scenario, generated steam is injected to gas turbine. This causes to obtain 1.3 kW more power and improve trigeneration efficiency about 1.27 % . In the second scenario, generated steam is used in steam turbine for power generation. Second scenario increases the output power by 1.7 kW and improves trigeneration efficiency about 1.7 %. Therefore, in the case that the excess heat is recovered, an improved energy conversion system efficiency can be about 85 %.
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Farzin Golzar   , Majid AStane , Ramin Roshandel * |
| Department of Energy Engineering , Roshandel@sharif.edu |
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Abstract: (4022 Views) |
| In this research, a Combined Cooling, Heat and Power (CCHP) system based on a solid oxide fuel cell (SOFC) is introduced. In order to obtain a solution, the reforming, electrochemical and thermal models are introduced and solved simultaneously. In order to use the part of heat that is more than demand, two scenario are suggested. In both scenarios excess heat is used to steam generation. In the first scenario, generated steam is injected to gas turbine. This causes to obtain 1.3 kW more power and improve trigeneration efficiency about 1.27 % . In the second scenario, generated steam is used in steam turbine for power generation. Second scenario increases the output power by 1.7 kW and improves trigeneration efficiency about 1.7 %. Therefore, in the case that the excess heat is recovered, an improved energy conversion system efficiency can be about 85 %. |
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| Keywords: Solid Oxide Fuel Cell, Combine Cooling, Heat and Power system, absorption cooling cycle, Steam Injected Gas Turbine |
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Full-Text [PDF 579 kb]
(1787 Downloads)
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Type of Study: Research |
Subject:
Combined Cooling ,Heating and Power
Received: 2014/01/31 | Accepted: 2014/06/2 | Published: 2015/03/15
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Golzar F, AStane M, Roshandel R. In this research, a Combined Cooling, Heat and Power (CCHP) system based on a solid oxide fuel cell (SOFC) is introduced. In order to obtain a solution, the reforming, electrochemical and thermal models are introduced and solved simultaneously. In order to use the part of heat that is more than demand, two scenario are suggested. In both scenarios excess heat is used to steam generation. In the first scenario, generated steam is injected to gas turbine. This causes to obtain 1.3 kW more power and improve trigeneration efficiency about 1.27 % . In the second scenario, generated steam is used in steam turbine for power generation. Second scenario increases the output power by 1.7 kW and improves trigeneration efficiency about 1.7 %. Therefore, in the case that the excess heat is recovered, an improved energy conversion system efficiency can be about 85 %.. IJE 2015; 17 (4) URL: http://necjournals.ir/article-1-591-en.html
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