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Keywords: Irreversibility
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Journal Articles
Article Type: Review Articles
J. Energy Resour. Technol. December 2021, 143(12): 120801.
Paper No: JERT-21-1471
Published Online: July 30, 2021
... internal combustion engines exergy irreversibility second law availability energy transfer energy conversion/systems energy systems analysis fuel combustion The exergy terms as shown in Eqs. (5) – (10) have been reported in previous literature. These exergy parameters have been evaluated...
Topics: Exergy, Fuels
Journal Articles
Article Type: Research Papers
J. Energy Resour. Technol. September 2021, 143(9): 092301.
Paper No: JERT-20-1804
Published Online: December 22, 2020
... of irreversibilities (combustion, mixing, and friction) in a dual fuel engine are presented in Figs. 13( a ) and 13( b ) with various hydrogen enrichment percentages in biogas at low load and high load conditions, respectively. The combustion process is the major source of exergy destruction due to highly...
Journal Articles
Article Type: Research Papers
J. Energy Resour. Technol. November 2020, 142(11): 112108.
Paper No: JERT-20-1048
Published Online: June 18, 2020
... and C is more beneficial. Based on the first law analysis, owing to using novel AHU, energy consumption reduced up to 55.2% at Penang climate zone. Second law analysis revealed that utilizing the novel AHU decreased the irreversibility up to 51.4% in the Vancouver climate region. Primary heat...
Journal Articles
Article Type: Research-Article
J. Energy Resour. Technol. April 2019, 141(4): 042002.
Paper No: JERT-18-1253
Published Online: November 30, 2018
... exergetic analysis, by splitting the total irreversibility and that of every component. The potential for improvement of the system is quantified, in the illustrated base-case 55.4% of the irreversibility is of avoidable nature and it could be reduced. The evaporator is the component that shows...
Journal Articles
Article Type: Technical Briefs
J. Energy Resour. Technol. June 2012, 134(2): 024502.
Published Online: April 4, 2012
... fuel cell with 25 c m 2 active area and Nafion 117 membrane with 4 mg Pt c m - 2 for the anode and cathode is employed as a membrane electrode assembly. The results show that when the geometry of the cell is rectangular, the irreversibility of the cell is at lower value and the exergy efficiency...
Journal Articles
Article Type: Technical Papers
J. Energy Resour. Technol. December 2003, 125(4): 318–324.
Published Online: November 18, 2003
...Jizhou He; Jincan Chen; Chih Wu A general irreversible cycle model of a magnetic Ericsson refrigerator is established. The irreversibilities in the cycle model result from the finite-rate heat transfer between the working substance and the external heat reservoirs, the inherent regenerative loss...
Journal Articles
Article Type: Technical Papers
J. Energy Resour. Technol. December 2000, 122(4): 212–216.
Published Online: September 7, 2000
...Jincan Chen; Chih Wu A cycle model of a multi-stage combined heat pump system, which includes the irreversibility of finite rate heat transfer across finite temperature differences and the irreversibilities inside the working fluid, is established and used to investigate the influence...
Journal Articles
Article Type: Technical Papers
J. Energy Resour. Technol. June 2000, 122(2): 61–63.
Published Online: December 3, 1999
...Jincan Chen; Chih Wu An externally and internally irreversible heat engine model of thermoelectric generators is used to analyze the so-called device-design parameter introduced by O¨zkaynak et al. The simple expression of the parameter is given and its physical meaning is expounded. Moreover...
Topics: Generators