Thermodynamic and thermoeconomic analysis and optimization of a novel combined cooling and power (CCP) cycle by integrating of ejector refrigeration and Kalina cycles

Ghaebi, Hadi; Parikhani, Towhid; Rostamzadeh, Hadi; Farhang, Behzad

doi:10.1016/j.energy.2017.07.154

Cited by 184 publications

(27 citation statements)

References 38 publications

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“…Also aiming for greater power output, Kalina-Flash cycles have been introduced [50] where a flash vessel is incorporated into the cycles to produce secondary NH 3 -rich vapor by depressurizing the NH 3 -poor solution. Recently, Kalina cogeneration cycles [51] integrating an ejector have been developed to improve system performance and produce power and refrigeration simultaneously.…”

Section: Kalina Cyclesmentioning

confidence: 99%

State-of-the-Art Technologies on Low-Grade Heat Recovery and Utilization in Industry

Ling‐Chin

Bao

et al. 2019

Energy Conversion - Current Technologies and Future Trends

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To improve energy efficiency in industry, low-grade heat recovery technologies have been advanced continuously. This chapter aims to provide a basic understanding of state-of-the-art technologies for low-grade heat recovery and utilization in industry, which are developed based on the concept of thermodynamic cycles. The technologies include adsorption, absorption, liquid desiccant, organic Rankine cycles (ORC), and Kalina cycles. The definition of low-grade heat sources, the working principle, recent advances in research and development (R&D), and commercial applications of the technologies (if any) will be discussed, followed by concluding remarks on advantages and disadvantages, future outlook, barriers, and opportunities.

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Section: Kalina Cyclesmentioning

confidence: 99%

State-of-the-Art Technologies on Low-Grade Heat Recovery and Utilization in Industry

Ling‐Chin

Bao

et al. 2019

Energy Conversion - Current Technologies and Future Trends

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“…Some studies and researches globally, about solar collection systems by parabolic cylindrical collectors, are related with heat transfer enhancement in receiver pipe under different guidelines, [8]- [10]. Some of them directly interact with pipe and other ones with transfer fluid.…”

Section: Introductionmentioning

confidence: 99%

Modeling and Thermal Analysis of a CCP Collector System Based on Fractal Architecture: Receiver Proposal

2019

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Solar concentrator technology has been researches in different fields in order to enhancement efficiency and energy storage of these systems. Some changes in fluid and numerous components of the collectors has been proposed in recent years. In this context, this paper present results associates to the modeling and thermal analysis of a concentrating system based on parabolic through collector with receiver piper, designed with fractal geometry with the aim of improve system heat transfer. Founded on thermal modeling of heat transfer phenomena as radiation, convection and conduction, physical and mathematical relations between fractal geometrical parameters and transfer heat coefficient were established to find the influence of a chaotic structure on thermal behavior. Proposed designs were simulated through Solid works ® Flow Simulation tool. Was possible obtain maximum temperatures in air with fractal and cylindrical pipes of de 89°C, 86°C y 81°C respectively. The gap between fractal geometry results and cylindrical geometry is 10°C around.

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“…The exergy efficiency of Kalina was successfully enhanced by 16% to 75% using alcohol/alcohol mixtures instead of ammonia/water mixtures for temperature of a heat source that is higher than 250°C . A hybrid system consisting of Kalina cycle and ejector cooling cycle was presented, used for power generation and to meet a cooling load simultaneously …”

Section: Introductionmentioning

confidence: 99%

“…29 A hybrid system consisting of Kalina cycle and ejector cooling cycle was presented, used for power generation and to meet a cooling load simultaneously. 30 Many researchers investigated the utilization of the solar energy using Kalina power cycle. Wang et al 31 introduced a mathematical model to examine solar-based Kalina cycle assisted with a thermal storage.…”

Section: Introductionmentioning

confidence: 99%

A hybrid PV/T and Kalina cycle for power generation

2018

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Summary This work introduces a novel hybrid system which uses the cooling water of a concentrated PV/T as a preheated water for lithium bromide‐water‐based Kalina cycle. The PV/T is a combination between solar photovoltaic cells and solar thermal collector. The solar cells convert the sunlight into electricity, and the remaining heat gets absorbed by the collector for additional power generation. As well as, extracting the excess heat from PV cells enhances its electrical efficiency. The Kalina power cycle is mainly driven by concentrated solar parabolic collectors (CSP). The advantage of combining these 2 systems is to employ the heat rejected from the concentrated solar‐based PV cells for further electricity generation, thus increasing the system overall efficiency. The system of concentrated solar collectors is divided into 2 parts to avoid getting very high temperature for the PV cells: concentrated solar collectors with PV cells and without PV cells. Due to the high temperature of water which returns from the Kalina cycle, a cooling tower is employed to cool the water before entering the concentrated PV/T system. The mathematical model of the proposed system has been presented and simulated to investigate the effect of the main controlling variables on the proposed system performance: generator temperature, solar radiation, wind speed, and the ambient temperature. The results show that the amount of solar radiation is the primary variable for the investigated system energy productivity, while the design temperature of generator is found to be the most parameter that affects the system overall efficiency. While the overall efficiency is around 18% to 23%, combining PV/T with the proposed solar Kalina cycle increases the system overall efficiency by 22% to 27%. The electrical conversion efficiency of the proposed system is 40% to 68% much more compared to PV/T alone system.

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Thermodynamic and thermoeconomic analysis and optimization of a novel combined cooling and power (CCP) cycle by integrating of ejector refrigeration and Kalina cycles

Cited by 184 publications

References 38 publications

State-of-the-Art Technologies on Low-Grade Heat Recovery and Utilization in Industry

State-of-the-Art Technologies on Low-Grade Heat Recovery and Utilization in Industry

Modeling and Thermal Analysis of a CCP Collector System Based on Fractal Architecture: Receiver Proposal

A hybrid PV/T and Kalina cycle for power generation

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