Solar energy based integrated system for power generation, refrigeration and desalination

Hogerwaard, Janette; Dinçer, İbrahim; Naterer, G.F.

doi:10.1016/j.applthermaleng.2017.03.116

Cited by 89 publications

(20 citation statements)

References 18 publications

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“…Recently, some studied have been focused on the polygeneration systems with solar‐dish collectors. Hogerwaard et al studied a system with solar dishes, ORC, absorption heat pump, gas turbine, and heat exchangers. The energy and the exergy efficiencies are found 28.4% and 27.0%, respectively.…”

Section: Introductionmentioning

confidence: 94%

Parametric analysis and yearly performance of a trigeneration system driven by solar‐dish collectors

et al. 2019

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Summary Solar‐driven polygeneration systems are promising technologies for covering many energy demands with a renewable and sustainable way. The objective of the present work is the investigation of a trigeneration system, which is driven by solar‐dish collectors. The examined trigeneration system includes an organic Rankine cycle (ORC), which operates with toluene, and an absorption heat pump, which operates with LiBr/H2O. The absorption heat pump is fed with heat by the condenser of the ORC, which operates at medium temperature levels (120°C to 150°C). The absorption heat pump produces both useful heat at 55°C and cooling at 12°C. The ORC produces electricity, and it is fed by the solar dishes. The examined ORC is a regenerative cycle with superheating. The total analysis is performed with a developed model in Engineering Equation Solver (EES). The system is investigated parametrically for different ORC heat‐rejection temperatures, different superheating levels in the turbine inlet, and various solar‐beam irradiation levels. Furthermore, the system is investigated on a yearly basis for the climate conditions of Athens (Greece) and for Belgrade (Serbia). It is found that the yearly system energy and exergy efficiencies are 108.39% and 20.92%, respectively, for Athens, while 111.38% and 21.50%, respectively, for Belgrade. The values over 100% for the energy efficiency are explained by the existence of a heat pump in the examined configuration. For both locations, the payback period is found close to 10 years and the internal rate of return close to 10%. The final results indicate that the examined configuration is a highly efficient and viable system, which operates only with a renewable energy source.

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Section: Introductionmentioning

confidence: 94%

Parametric analysis and yearly performance of a trigeneration system driven by solar‐dish collectors

et al. 2019

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“…In all the cases, the exergy loss at turbine is maximum with least exergy losses in HE 3 . Due to higher hot source temperature, the losses are more in turbine and HE 4 . The losses are decreased with high ammonia concentration at condenser and separator inlet temperature.…”

Section: The Influence Of Turbine Inlet Concentration (X 1 ) and Ammentioning

confidence: 99%

Performance investigation in modified and improved augmented power generation Kalina cycle using Python

Maheswari

Ganesh

2019

Int J Energy Res

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SUMMARY In the generation of electricity and cogeneration, Kalina cycle is considered as one of the competitors to organic Rankine cycle. With the simplicity and identical components of the binary mixture, Kalina system makes it more prominent to get developed and implemented as well with its environmental friendly associate. This work proposes a new improved Kalina cycle system to convert the natural source from sun to useful work. The proposed system utilizes heat source suitable to medium temperature heat applications. The proposed cycle have 2 units of solar collector, favoring an additional heat recovery and higher performance. Solar hot source temperature and pressure are 190°C and 45 bar with additional flow to the turbine of 1.15 kg/s. Energy and second law analysis have considered in evaluating the performance of the proposed plant. The energy analysis shows minimum value of net power, energy efficiency and plant efficiency as 241 kW, 15.5% and 5.7. The exergy analysis defines that, to the proposed cycle, the exergy efficiency initializes at 77% with more exergy destruction at turbine with 31%. With the parametric analysis, the system is amended to have the maximum values of energy and exergy performances as 18.5%, 7.1% and 85%. The parametric study identifies the optimum value of the inlet temperature and pressure of the pump and turbine.

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“…Solar refrigeration seawater desalination co-generation system is a new technology, which can desalinate seawater by recovering condensation heat and obtain certain fresh water benefits. There are few reports on the research of this technology [2][3][4][5], mainly focusing on the technical feasibility and energy saving research, and the above-mentioned scholars' research has not made in-depth analysis of the interaction of the system parameters. In this paper, the physical model and economic model of the combined system of solar absorption refrigeration and desalination with vacuum tube collector are established, and the characteristics of the new system are simulated and analyzed, which provides a reference for the operation of practical projects.…”

Section: Introductionmentioning

confidence: 99%

Economic Analysis of Solar Refrigeration and Desalination System

2019

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The physical model and mathematical model of solar refrigeration and desalination co-generation system were established. The performance and economy of the system were analyzed by changing the three variables of refrigeration capacity, seawater desalination effects number and three different cities. The results show that increasing refrigeration capacity is conducive to improving freshwater production and increasing freshwater efficiency, but more auxiliary heat consumption is needed, the comprehensive effect is to shorten the recovery period. Increasing desalination efficiency is conducive to increasing freshwater production and freshwater efficiency, and the auxiliary heat consumption remains unchanged. The comprehensive effect is to shorten the recovery period. Solar energy is the main energy needed in the co-generation system of the three cities, and Shenzhen has the largest proportion of energy supply, which reaches 67.8%. Compared with the solar refrigeration system, the recovery period of the co-generation system can bu shortened by 18.1%.

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Solar energy based integrated system for power generation, refrigeration and desalination

Cited by 89 publications

References 18 publications

Parametric analysis and yearly performance of a trigeneration system driven by solar‐dish collectors

Parametric analysis and yearly performance of a trigeneration system driven by solar‐dish collectors

Performance investigation in modified and improved augmented power generation Kalina cycle using Python

Economic Analysis of Solar Refrigeration and Desalination System

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