Seasonal-regulatable energy systems design and optimization for solar energy year-round utilization☆

Gao, Datong; Kwan, Trevor Hocksun; Dabwan, Yousef N.; Hu, Mao-Bin; Hao, Yong; Zhang, Tao; Pei, Gang

doi:10.1016/j.apenergy.2022.119500

Cited by 36 publications

(12 citation statements)

References 51 publications

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“…For this differential analysis, only those units that differed in the alternatives studied were considered. Capital costs were estimated using the module costing technique [37][38][39][40]. According to Ulrich and Vasudevan [41], utility costs were estimated by considering the Hot Water and Cooling Water equations.…”

Section: Methodsmentioning

confidence: 99%

Techno-economic analysis of the process for obtaining Bioethanol from rice husks and whey

Laborde

Capdevila²,

Ponce-Ortega

et al. 2022

CST

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This work proposes a novel integrated process for second-generation bioethanol production with an approach simulated in Aspen HYSYS®. Rice husk and dairy whey were used to revalorize for this bioprocess. The energy recovery of the bioprocess was optimized using the Pinch method; savings of 45.45% and 100% were obtained for heating and cooling utilities, respectively, concerning the process without a heat exchange network (HEN). It was possible to compare the costs of mutually exclusive alternatives between the process alternatives with andwithout HEN. The capital investment with HEN was similar to the process without HEN. Instead, savings by 77.8% of utility costs per year was found in the process with HEN. A differential cash flow for ten years was generated, and a positive differential net present value (NPV) was determined. Therefore, HEN is an economically convenient and environmentally friendly option since energy consumption reduction canminimize environmental damage.

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Section: Methodsmentioning

confidence: 99%

Techno-economic analysis of the process for obtaining Bioethanol from rice husks and whey

Laborde

Capdevila²,

Ponce-Ortega

et al. 2022

CST

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show abstract

“…There are also scholars studying wave-power generation for sustainable coastal development, but there are challenges such as high costs (Xu and Huang, 2018). Solar energy is not conducive to the stable operation of the power grid because of its large randomness, intermittency and volatility (Gao et al, 2022). Therefore, renewable energy is still unable to meet the power demand of ships in the short term.…”

Section: Traceability Of Shore Powermentioning

confidence: 99%

Carbon emission reduction of shore power from power energy structure in China

et al. 2022

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With the construction of China’s ecological civilization and the proposal of carbon peaking and carbon neutrality goals, shore power has been vigorously developed as an important technology for the future green development of ports. However, China’s electricity is still mostly coal-fired, which produces many carbon emissions. Coupled with regional differences, shore power is by no means certain to lower carbon emissions compared with fuel throughout China. Considering the power energy structure in different regions, this paper establishes a carbon emission correlation model between fuel and shore power during ship berthing, calculates the feasibility and actual emission reduction effect of shore power in coastal ports, and studies the restriction condition of starting time for the use of shore power for ships attached to ports according to the national policy of mandatory use of shore power. The results show that only a small part of coastal provinces and cities are suitable for using shore power, and it is limited by the berthing time of the ship. However, this condition is not related to the size of ships but related to the proportion of power generation. Therefore, the government should develop shore power according to local conditions, and vigorously increase the proportion of clean energy, so that the shore power truly achieve zero carbon emissions.

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“…Conversely, a combination of nighttime radiative cooling and solar heating can be found in Refs. 31 , 32 , 33 , 34 , 35 …”

Section: Introductionmentioning

confidence: 99%

Integration of daytime radiative cooling and solar heating

Shao

Huang

et al. 2023

iScience

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Seasonal-regulatable energy systems design and optimization for solar energy year-round utilization☆

Cited by 36 publications

References 51 publications

Techno-economic analysis of the process for obtaining Bioethanol from rice husks and whey

Techno-economic analysis of the process for obtaining Bioethanol from rice husks and whey

Carbon emission reduction of shore power from power energy structure in China

Integration of daytime radiative cooling and solar heating

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