On the exergoeconomic assessment of employing Kalina cycle for GT-MHR waste heat utilization

Zare, V.; Mahmoudi, S.M.S.; Yari, Mortaza

doi:10.1016/j.enconman.2014.11.039

Cited by 107 publications

(24 citation statements)

References 33 publications

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“…An optimization is performed using the monthly solar radiation in Kumejima Island of Japan. Zare et al [12] applied exergoeconomic analysis to a combination of Kalina cycle and Gas Turbine-Modular Helium Reactor where the waste heat from the top cycle is recovered by Kalina cycle. The results show the efficiency is 8.2% higher and the cost is 8.8% lower compared to the situation without waste heat recovery by the Kalina cycle.…”

Section: Introductionmentioning

confidence: 99%

Sustainability Analysis of Low Temperature Solar-Driven Kalina Power Plant Using Emergy Concept

Rafat¹,

Babaelahi

Mofidipour³

2019

International Journal of Thermodynamics

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Selection, design, and optimization of the energy system with the efficient method is one the major problem in recent years. The combined Emergy-Exergy-Economic-Environmental analysis is one of these new methods selected for the analysis and optimization of energy systems. In this paper, the low temperature small solar-driven Kalina power plant is selected for distributed power generation in Qom city. The analysis procedure based on Emergy, Exergy, Economic and Environmental concepts is performed in two general steps. In the first step, the thermodynamic and exergy analysis is performed and the required thermodynamic and exergetic parameters are determined. For the calculation of emergy for different component and mass flow, in the second step, the weight and price of all equipment are evaluated and the emergy analysis is performed. Based on this analysis the emergy evaluation parameters such as monetary and ecological performance are presented and based on these parameters, the most destructive equipment is selected and a suitable procedure for improvement in the considered system is presented. In the final step, the exergy and emergy parameters in the proposed solar Kalina cycle are compared with some renewable and fossil power plant and this comparison show that the proposed cycle has suitable characteristics.

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Section: Introductionmentioning

confidence: 99%

Sustainability Analysis of Low Temperature Solar-Driven Kalina Power Plant Using Emergy Concept

Rafat¹,

Babaelahi

Mofidipour³

2019

International Journal of Thermodynamics

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“…The two last terms in Equation (14) are neglected in the present work because of their much lower values than the first term [29].…”

Section: Thermoeconomic Analysismentioning

confidence: 99%

“…Table A1 lists these cost functions for components of the analyzed systems [2,30]. Condenser, Pre_cooler2 Z k = 2143 × A k 0.514 [2] KCHTR, KCLTR Z k = 2143 × A k 0.514 [29] Superheater Z k = 2681 × A k 0.59 [29] [29] As the costs associated with the mixer, the throttling valve and the separator are much less than those for the other components, they are neglected in the analyses [29].…”

Section: Appendix Amentioning

confidence: 99%

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Thermoeconomic Analysis and Optimization of a New Combined Supercritical Carbon Dioxide Recompression Brayton/Kalina Cycle

2016

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Abstract:A new combined supercritical CO 2 recompression Brayton/Kalina cycle (SCRB/KC) is proposed. In the proposed system, waste heat from a supercritical CO 2 recompression Brayton cycle (SCRBC) is recovered by a Kalina cycle (KC) to generate additional electrical power. The performances of the two cycles are simulated and compared using mass, energy and exergy balances of the overall systems and their components. Using the SPECO (Specific Exergy Costing) approach and employing selected cost balance equations for the components of each system, the total product unit costs of the cycles are obtained. Parametric studies are performed to investigate the effects on the SCRB/KC and SCRBC thermodynamic and thermoeconomic performances of key decision parameters. In addition, considering the exergy efficiency and total product unit cost as criteria, optimization is performed for the SCRBC and SCRB/KC using Engineering Equation Solver software. The results indicate that the maximum exergy efficiency of the SCRB/KC is higher than that of the SCRBC by up to 10%, and that the minimum total product unit cost of the SCRB/KC is lower than that of the SCRBC by up to 4.9%.

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“…This change in the composition affects the thermodynamic and the transport properties of the mixture [2]. Since its , for waste heat recovery [4][5][6][7], for exhaust heat recovery in a gas turbine modular helium reactor [8], in combined heat and power plants [9,10], coupled with a coal-fired steam power plant for exhaust heat recovery [11], as a part of Brayton-Rankine-Kalina triple cycle [12], and in solar power plants [13,14]. For high temperature applications, the Kalina cycles have been investigated to be used as gas turbine bottoming cycles [15][16][17][18], for industrial 15 waste heat recovery, biomass based cogeneration and gas engine waste heat recovery [19], for direct-fired cogeneration applications [20], and in concentrating solar power (CSP) plants [21,22].…”

Section: Introductionmentioning

confidence: 99%

Part-load performance of a high temperature Kalina cycle

Modi

Andreasen

Kærn

et al. 2015

Energy Conversion and Management

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The Kalina cycle has recently seen increased interest as an alternative to the conventional steam Rankine cycle. The cycle has been studied for use with both low and high temperature applications such as geothermal power plants, ocean thermal energy conversion, waste heat recovery, gas turbine bottoming cycle and solar power plants. The high temperature cycle layouts are inherently more complex than the low temperature layouts due to the presence of a distillation-condensation subsystem, three pressure levels and several heat exchangers. This paper presents a detailed approach to solve the Kalina cycle in part-load operating conditions for high temperature (a turbine inlet temperature of 500• C) and high pressure (100 bar) applications. A central receiver concentrating solar power plant with direct vapour generation is considered as a case study where the part-load conditions are simulated by changing the solar heat input to the receiver. Compared with the steam Rankine cycle, the Kalina cycle has an additional degree of freedom in terms of the ammonia mass fraction which can be varied in order to maximize the part-load efficiency of the cycle. The results include the part-load curves for various turbine inlet ammonia mass fractions, and the fitted equations for these curves.

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On the exergoeconomic assessment of employing Kalina cycle for GT-MHR waste heat utilization

Cited by 107 publications

References 33 publications

Sustainability Analysis of Low Temperature Solar-Driven Kalina Power Plant Using Emergy Concept

Sustainability Analysis of Low Temperature Solar-Driven Kalina Power Plant Using Emergy Concept

Thermoeconomic Analysis and Optimization of a New Combined Supercritical Carbon Dioxide Recompression Brayton/Kalina Cycle

Part-load performance of a high temperature Kalina cycle

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