Thermodynamic and Exergoeconomic Analysis of Combination of Single-Flash Geothermal Power Cycle with Kalina and ORC with different Organic Fluids

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Abstract

In this paper, single-flash geothermal power cycle with Kalina and ORC combined cycles are examined from energy, exergy and exergoeconomic viewpoints.Isobutane, isopentane, n-butane, n-pentane and R123 are used as working fluids in ORC. Exergoeconomic analysis is performed using the SPECO method. The results show that geothermal power cycle-ORC with R123 and n-pentane have the highest value of first law efficiency among considered combined cycles whereas geothermal power cycle-Kalina has the lowest unit cost of power produced by turbines. According to optimization of the combined cycles, the minimum unit cost of power produced for the geothermal power cycle-Kalina is 8.63% lower than the unit cost of power produced in the maximum first law efficiency. Also the geothermal power cycle-Kalina with different ammonia concentration combined cycle has the lowest cost rate associated with exergy destruction. Finally parametric study is done and the effects of various parameters on exergoeconomic parameters of combined cycles are investigated.

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[1] Zhou C, Doroodchi E, Moghtaderi B (2013) An in-depth assessment of hybrid solar–geothermal power generation. Energy Convers Manage 74:88–101.
[2] Aneke M, Agnew B, Underwood C (2011), performance analysis of the Chena binary geothermal power plant. Appl Therm Eng 31(10):1825–1832.
[3] Kanoglu M, Bolatturk A (2008) Performance and parametric investigation of a binary geothermal power plant by exergy. Renewable Energy 33(11):2366–2374.
[4] Gabbrielli R (2012) A novel design approach for small scale low enthalpy binary geothermal powerplants. Energy Convers Manage 64:263–72.
[5] Yari M (2010) Exergetic analysis of various types of geothermal power plants.Renewable Energy 35(1):112–121.
[6] Hettiarachchi HDM, Golubovic M, Worek WM, Ikegami Y (2007) Optimum design criteria for an Organic Rankine cycle using low-temperature geothermal heat sources. Energy 32(9):1698–1706.
[7] DiPippo R (2004) Second Law assessment of binary plants generating power from low-temperature geothermal fluids. Geothermics 33(5):565–86.
[8] DiPippo R (2007) Ideal thermal efficiency for geothermal binary plants. Geothermics 36(3):276–285.
[9] Franco A, Villani M (2009) Optimal design of binary cycle power plants for water dominated, medium-temperature geothermal fields. Geothermics 38(4):379–391.
[10] Ahmadi P, Dincer I (2010) Exergoenvironmental analysis and optimization of a cogeneration plant system using Multimodal Genetic Algorithm (MGA). Energy 35: 5161-5172.
[11] Bagdanavicius A, Jenkins N, Hammond GP (2012) Assessment of community energy supply systems using energy, exergy and exergoeconomic analysis. Energy 45:247-255.
[12] Mert MS, Dilmac OF, Ozkan S, Karaca F, Bolat E (2012) Exergoeconomic analysis of a cogeneration plant in an iron and steel factory. Energy 46:78-84.
[13] Rezayan O, Behbahaninia A (2011) Thermoeconomic optimization and exergy analysis of CO2/NH3 cascade refrigeration systems. Energy 36:888-895.
[14] Baghernejad A, Yaghoubi M (2011) Exergoeconomic analysis and optimization of an integrated solar combined cycle system (ISCCS) using genetic algorithm. Energy Convers Manag 52:2193-2203.
[15] Abusoglu A, Kanoglu M (2009) Exergoeconomic analysis and optimization of combined heat and power production: a review. Renew SustEnerg Rev 13: 2295-2308.
[16] Tsatsaronis G (2007) Definitions and nomenclature in exergy analysis and exergoeconomics. Energy 32: 249–253.
[17] Bejan A, Tsatsaronis G, Moran M (1996) Thermal Design and Optimization. John Wiley & Sons, pp: 408-427.
[18] Mohammadkhani F, Shokati N, Mahmoudi SMS, Yari M, Rosen MA (2014) Exergoeconomic assessment and parametric study of a Gas Turbine-Modular Helium Reactor combined with two Organic Rankine cycles. Energy  65,533-543.
[19] Hettiarachchi HD, Golubovic M, Worek WM, Ikegami Y (2007) The Performance of the Kalina Cycle System 11 (KCS-11) With Low-Temperature Heat Sources. Journal of Energy Resources Technology 129, 243-247.
[20] Raskovic P, Guzovic Z, Cvetkovic S (2013) Performance analysis of electricity generation by the medium temperature geothermal resources: VelikaCiglena case study. Energy; 54, 11-31.
[21] Coskun A, Bolatturk A, Kanoglu M (2014) Thermodynamic and economic analysis and optimization of power cycles for a medium temperature geothermal resource. Energy Conversion and Management 78,39-49.
[22] Dorj P (2005) Thermoeconomic Analysis of a New Geothermal Utilization CHP Plant in Tsetserleg, Mongoloa. Master Thesis, University of Iceland, Reykjavík, Iceland.
[23] Akbari M, Mahmoudi SMS, Yari M, Rosen MA (2014) Energy and Exergy Analyses of a New Combined Cyclefor Producing Electricity and Desalinated Water Using Geothermal Energy. Sustainability  6,1796-1820.