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Information Journal Paper

Title

The Thermodynamic Analysis of a Novel Integrated Transcritical CO2 with Kalina 11 Cycles from Sabalan Geothermal Wells

Pages

  335-346

Abstract

 In northwestern Iran, two wells with different temperature and pressure conditions have been exploited in Sabalan region. According to the thermodynamic properties of wells, the integrated cycle (flash integrated cycle with transcritical CO2 and Kalina 11) is proposed for Sabalan geothermal. In the Kalina 11 and transcritical CO2 heat exchangers, in which the fluid temperature is rising, there is a different temperature variation gradient; therefore, a new method is proposed for the determination of pinch point and other thermodynamic properties. The effects of the Kalina high pressure, amoina concentration, Transcritical CO2 Cycle pressure ratio, pinch points temperature difference, and separators’ pressure on the thermal and exergy efficiencies of the proposed combined cycle were studied. Finally, the proposed combined cycle was optimized thermodynamically, using the EES (Engineering Equation Solver) software. Based on identical operation conditions, the net power of the combined cycle is 20046 kW, the thermal efficiency is 17. 15%, the rate of exergy destructions is 8259 kW, and the exergy efficiency is 65. 74%. It was found that the net power output, the thermal, and exergy efficiencies of combined cycle are about 17. 55%, 17. 55% and 20. 04% higher than the previously proposed system.

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    APA: Copy

    ABDOLALIPOURADL, M., KHALILARYA, SH., & JAFARMADAR, S.. (2019). The Thermodynamic Analysis of a Novel Integrated Transcritical CO2 with Kalina 11 Cycles from Sabalan Geothermal Wells. MODARES MECHANICAL ENGINEERING, 19(2 ), 335-346. SID. https://sid.ir/paper/179676/en

    Vancouver: Copy

    ABDOLALIPOURADL M., KHALILARYA SH., JAFARMADAR S.. The Thermodynamic Analysis of a Novel Integrated Transcritical CO2 with Kalina 11 Cycles from Sabalan Geothermal Wells. MODARES MECHANICAL ENGINEERING[Internet]. 2019;19(2 ):335-346. Available from: https://sid.ir/paper/179676/en

    IEEE: Copy

    M. ABDOLALIPOURADL, SH. KHALILARYA, and S. JAFARMADAR, “The Thermodynamic Analysis of a Novel Integrated Transcritical CO2 with Kalina 11 Cycles from Sabalan Geothermal Wells,” MODARES MECHANICAL ENGINEERING, vol. 19, no. 2 , pp. 335–346, 2019, [Online]. Available: https://sid.ir/paper/179676/en

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