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Volumn 85, Issue , 2016, Pages 1328-1333

Exergy analysis on solar thermal systems: A better understanding of their sustainability

Author keywords

Exergy analysis; Solar collectors; Solar processes; Sustainability

Indexed keywords

SOLAR COLLECTORS; SOLAR HEATING; SUSTAINABLE DEVELOPMENT;

EID: 84944515558     PISSN: 09601481     EISSN: 18790682     Source Type: Journal    
DOI: 10.1016/j.renene.2015.05.037     Document Type: Review
Times cited : (178)

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    • Energetic and exergetic studies of a multigenerational solar-geothermal system
    • ** The authors concluded that the multigenerational system operation reached a very high energetic efficiency of 78 %, compared to the single generation operation **, under which the efficiency was 16.4 %. The values of the exergetic efficiency were estimated at 36.6 and 26.2 % respectively, with the biggest source of the system irreversibility being the parabolic-trough solar collectors
    • Al-Ali M., Dincer I. Energetic and exergetic studies of a multigenerational solar-geothermal system. Appl. Therm. Eng. 2014, 71:16-23. ** The authors concluded that the multigenerational system operation reached a very high energetic efficiency of 78 %, compared to the single generation operation **, under which the efficiency was 16.4 %. The values of the exergetic efficiency were estimated at 36.6 and 26.2 % respectively, with the biggest source of the system irreversibility being the parabolic-trough solar collectors.
    • (2014) Appl. Therm. Eng. , vol.71 , pp. 16-23
    • Al-Ali, M.1    Dincer, I.2
  • 52
    • 84899444489 scopus 로고    scopus 로고
    • Modelling, simulation and analysis of solar absorption power-cooling systems
    • ** The authors concluded that for temperatures below 100 °C the ETC is the most suitable technology for SSCA. They also pointed out that although the Goswami-ETC configuration has the best efficiency at 138 °C, due to the difficulty of the ETC operating at this temperature range, the PTC could be the best option for this absorption-power cycle. Lastly, the authors concluded that depending on the priority of the system output **, the Goswami-ETC/PTC and the SSCA configurations are preferable respectively
    • López-Villada J., Ayou D.S., Bruno J.C., Coronas A. Modelling, simulation and analysis of solar absorption power-cooling systems. Int. J. Refrig. 2014, 39:125-136. ** The authors concluded that for temperatures below 100 °C the ETC is the most suitable technology for SSCA. They also pointed out that although the Goswami-ETC configuration has the best efficiency at 138 °C, due to the difficulty of the ETC operating at this temperature range, the PTC could be the best option for this absorption-power cycle. Lastly, the authors concluded that depending on the priority of the system output **, the Goswami-ETC/PTC and the SSCA configurations are preferable respectively.
    • (2014) Int. J. Refrig. , vol.39 , pp. 125-136
    • López-Villada, J.1    Ayou, D.S.2    Bruno, J.C.3    Coronas, A.4
  • 54
    • 84875712339 scopus 로고    scopus 로고
    • Dynamic exergetic performance assessment of an integrated solar pond
    • ** The solar pond energy efficiency varied from 21.33 to 26.52 % for 1 to 4 collectors installed. The respective values for the exergy efficiency ranged from 20.02 to 23.84 %
    • Karakilcik M., Bozkurt I., Dincer I. Dynamic exergetic performance assessment of an integrated solar pond. Int. J. Exergy 2013, 12:70-86. ** The solar pond energy efficiency varied from 21.33 to 26.52 % for 1 to 4 collectors installed. The respective values for the exergy efficiency ranged from 20.02 to 23.84 %.
    • (2013) Int. J. Exergy , vol.12 , pp. 70-86
    • Karakilcik, M.1    Bozkurt, I.2    Dincer, I.3
  • 55
    • 84904963164 scopus 로고    scopus 로고
    • Design and simulation of hybrid solar high-temperature hydrogen production system using both solar photovoltaic and thermal energy
    • ** The production cost of the system was estimated at 5235.45 $/ton of hydrogen
    • Koumi Ngoh S., Ayina Ohandja L.M., Kemajou A., Monkam L. Design and simulation of hybrid solar high-temperature hydrogen production system using both solar photovoltaic and thermal energy. Sustain. Energy Technol. Assess. 2014, 7:279-293. ** The production cost of the system was estimated at 5235.45 $/ton of hydrogen.
    • (2014) Sustain. Energy Technol. Assess. , vol.7 , pp. 279-293
    • Koumi Ngoh, S.1    Ayina Ohandja, L.M.2    Kemajou, A.3    Monkam, L.4
  • 56
    • 84872616386 scopus 로고    scopus 로고
    • Energy and exergy analyses of hydrogen production via solar-boosted ocean thermal energy conversion and PEM electrolysis
    • ** The net power output of the system was 102 kW with a hydrogen production rate of 1.2 kg/h. The exergetic efficiency of the system was estimated at around 22 %. The components causing the highest exergy destruction were the condenser and the turbine of the ORC. Moreover, he showed that the increase of the solar radiation intensity leads to the increase of the overall exergy efficiency. Meanwhile, the increase of the ambient temperature increases the efficiency when it is lower than 292 K and it decreases it when it has higher values
    • Ahmadi P., Dincer I., Rosen M.A. Energy and exergy analyses of hydrogen production via solar-boosted ocean thermal energy conversion and PEM electrolysis. Int. J. Hydrogen Energy 2013, 38:1795-1805. ** The net power output of the system was 102 kW with a hydrogen production rate of 1.2 kg/h. The exergetic efficiency of the system was estimated at around 22 %. The components causing the highest exergy destruction were the condenser and the turbine of the ORC. Moreover, he showed that the increase of the solar radiation intensity leads to the increase of the overall exergy efficiency. Meanwhile, the increase of the ambient temperature increases the efficiency when it is lower than 292 K and it decreases it when it has higher values.
    • (2013) Int. J. Hydrogen Energy , vol.38 , pp. 1795-1805
    • Ahmadi, P.1    Dincer, I.2    Rosen, M.A.3
  • 57
    • 84893918773 scopus 로고    scopus 로고
    • Off-design performance analysis of a solar-powered organic Rankine cycle
    • ** According to the dynamic model they developed, the system exergy efficiency increases for lower environment temperatures. Therefore, the average exergetic efficiency is maximized in December and minimized in August. However, the maximum net power output of the system is obtained in June and September
    • Wang J., Yan Z., Zhao P., Dai Y. Off-design performance analysis of a solar-powered organic Rankine cycle. Energy Convers. Manag. 2014, 80:150-157. ** According to the dynamic model they developed, the system exergy efficiency increases for lower environment temperatures. Therefore, the average exergetic efficiency is maximized in December and minimized in August. However, the maximum net power output of the system is obtained in June and September.
    • (2014) Energy Convers. Manag. , vol.80 , pp. 150-157
    • Wang, J.1    Yan, Z.2    Zhao, P.3    Dai, Y.4
  • 58
    • 84893672897 scopus 로고    scopus 로고
    • Comparison of medium-size concentrating solar power plants based on parabolic trough and linear fresnel collectors
    • 2 of occupied land ** due to their lower land requirements
    • 2 of occupied land ** due to their lower land requirements.
    • (2014) Energy Procedia , vol.45 , pp. 101-110
    • Cau, G.1    Cocco, D.2
  • 59
    • 84872299753 scopus 로고    scopus 로고
    • Comparison of heat transfer fluid and direct steam generation technologies for integrated solar combined cycles
    • ** The authors stressed out the importance of minimizing the irreversibility of the solar field and especially of the HRSG, by using the solar heat for evaporating the high pressure level steam but not for preheating it. Furthermore, they concluded that the direct steam generation ** configurations lead to improved performance when compared to HTF configurations
    • Rovira A., Montes M.J., Varela F., Gil M. Comparison of heat transfer fluid and direct steam generation technologies for integrated solar combined cycles. Appl. Therm. Eng. 2013, 52:264-274. ** The authors stressed out the importance of minimizing the irreversibility of the solar field and especially of the HRSG, by using the solar heat for evaporating the high pressure level steam but not for preheating it. Furthermore, they concluded that the direct steam generation ** configurations lead to improved performance when compared to HTF configurations.
    • (2013) Appl. Therm. Eng. , vol.52 , pp. 264-274
    • Rovira, A.1    Montes, M.J.2    Varela, F.3    Gil, M.4
  • 60
    • 84890529415 scopus 로고    scopus 로고
    • Evaluation of the environmental sustainability of a micro CHP system fueled by low-temperature geothermal and solar energy
    • ** The authors concluded that the materials and energy used for the construction of the wells counter balances the environmental benefits that originate from the use of non-fossil energy sources. Consequently, he proposed that the concept of such plants is more appealing in the case that already created and abandoned wells are used
    • Ruzzenenti F., Bravi M., Tempesti D., Salvatici E., Manfrida G., Basosi R. Evaluation of the environmental sustainability of a micro CHP system fueled by low-temperature geothermal and solar energy. Energy Convers. Manag. 2014, 78:611-616. ** The authors concluded that the materials and energy used for the construction of the wells counter balances the environmental benefits that originate from the use of non-fossil energy sources. Consequently, he proposed that the concept of such plants is more appealing in the case that already created and abandoned wells are used.
    • (2014) Energy Convers. Manag. , vol.78 , pp. 611-616
    • Ruzzenenti, F.1    Bravi, M.2    Tempesti, D.3    Salvatici, E.4    Manfrida, G.5    Basosi, R.6
  • 61
    • 84880356252 scopus 로고    scopus 로고
    • A combined cycle utilizing LNG and low-temperature solar energy
    • ** Through the comparison of the combined cycle against the separate solar ORC and LNG power generation cycles, the authors concluded that for the same power output, the required area of the solar collectors and the heat exchange surface are decreased by 82.2% and 31.7% respectively. However, the proposed system is associated with a larger volume flow rate at the turbine outlet
    • Rao W.-J., Zhao L.-J., Liu C., Zhang M.-G. A combined cycle utilizing LNG and low-temperature solar energy. Appl. Therm. Eng. 2013, 60:51-60. ** Through the comparison of the combined cycle against the separate solar ORC and LNG power generation cycles, the authors concluded that for the same power output, the required area of the solar collectors and the heat exchange surface are decreased by 82.2% and 31.7% respectively. However, the proposed system is associated with a larger volume flow rate at the turbine outlet.
    • (2013) Appl. Therm. Eng. , vol.60 , pp. 51-60
    • Rao, W.-J.1    Zhao, L.-J.2    Liu, C.3    Zhang, M.-G.4
  • 62
    • 84891817345 scopus 로고    scopus 로고
    • Energy-exergy analysis and optimization of the solar-boosted Kalina cycle system 11 **
    • ** The power output of the plant could be as high as 491 kW, with an exergy and energy efficiency of 35.6 and 6.48 % respectively
    • Sun F., Zhou W., Ikegami Y., Nakagami K., Su X. Energy-exergy analysis and optimization of the solar-boosted Kalina cycle system 11 **. Renew. Energy 2014, 66:268-279. ** The power output of the plant could be as high as 491 kW, with an exergy and energy efficiency of 35.6 and 6.48 % respectively.
    • (2014) Renew. Energy , vol.66 , pp. 268-279
    • Sun, F.1    Zhou, W.2    Ikegami, Y.3    Nakagami, K.4    Su, X.5
  • 63
    • 84875544466 scopus 로고    scopus 로고
    • Experimental and theoretical energy and exergy analysis for a solar desalination system
    • ** The authors concluded that there is a minimal tower length under which the exergetic efficiency of the system is maximized, and therefore this is the optimal length. They also found out that the efficiency is maximized when the temperature of the inlet air decreases and the diameter of the tower increases
    • Nematollahi F., Rahimi A., Gheinani T.T. Experimental and theoretical energy and exergy analysis for a solar desalination system. Desalination 2013, 317:23-31. ** The authors concluded that there is a minimal tower length under which the exergetic efficiency of the system is maximized, and therefore this is the optimal length. They also found out that the efficiency is maximized when the temperature of the inlet air decreases and the diameter of the tower increases.
    • (2013) Desalination , vol.317 , pp. 23-31
    • Nematollahi, F.1    Rahimi, A.2    Gheinani, T.T.3
  • 64
    • 84901976282 scopus 로고    scopus 로고
    • A solar still augmented with an evacuated tube collector in forced mode
    • ** A thermal model has been developed and used to predict the performance of a solar still under the climate of New Delhi **. The optimum daily energy and exergy efficiencies were as 33.8% and 2.6%, respectively, during typical summer day
    • Kumar S., Dubey A., Tiwari G.N. A solar still augmented with an evacuated tube collector in forced mode. Desalination 2014, 347:15-24. ** A thermal model has been developed and used to predict the performance of a solar still under the climate of New Delhi **. The optimum daily energy and exergy efficiencies were as 33.8% and 2.6%, respectively, during typical summer day.
    • (2014) Desalination , vol.347 , pp. 15-24
    • Kumar, S.1    Dubey, A.2    Tiwari, G.N.3


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.