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Wyświetlanie 1-2 z 2
Tytuł:
The critical role of advanced sustainability assessment tools in enhancing the real-world application of biofuels
Autorzy:
Tabatabaei, Meisam
Aghbashlo, Mortaza
Powiązania:
https://bibliotekanauki.pl/articles/1429958.pdf
Data publikacji:
2020
Wydawca:
Centrum Badań i Innowacji Pro-Akademia
Tematy:
biofuels
sustainability
exergy
emergy
life cycle assessment
decision-making
biopaliwa
zrównoważony rozwój
egzergia
ocena cyklu życia
podejmowanie decyzji
Opis:
Sustainability has become of paramount importance in the biofuel industry. Accordingly, various sustainability assessment schemes such as emergy analysis, techno-economic analysis, life cycle assessment, energy accounting, and exergy analysis and its extensions (exergoeconomic, exergoenvironmental, and exergoeconoenvironmental analyses) are being employed increasingly for decision-making on biofuel production and consumption systems. In this opinion paper, after classifying and describing biofuel generations, the developed sustainability assessment tools are critically explained, and their pros and cons are discussed. Overall, among the various sustainability assessment approaches introduced so far, exergy-based methods appear to be the most promising tools for developing sustainable biofuel systems. This can be attributed to the fact that the exergy concept is deeply rooted in the well-defined principles of thermodynamics.
Źródło:
Acta Innovations; 2020, 37; 67-73
2300-5599
Pojawia się w:
Acta Innovations
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Energetic & exergetic analysis of a parabolic trough: concentrated solar power plant
Autorzy:
Nagpal, Mohit
Maithani, Rajesh
Kumar, Suresh
Powiązania:
https://bibliotekanauki.pl/articles/2142893.pdf
Data publikacji:
2021
Wydawca:
Centrum Badań i Innowacji Pro-Akademia
Tematy:
solar energy
exergy
thermal efficiency
heat gain
heat losses
parabolic trough
collectors
energia słoneczna
egzergia
wydajność termiczna
zyski ciepła
straty ciepła
kolektory
Opis:
Solar energy is the most affordable source of energy. Parabolic trough systems are used to concentrate and extract heat, therefore it’s very significant to analyse its performance in terms of energy and exergy. Exergy based analysis of the system ensures the eradication of losses, resulting in the yield of energy of the highest quality. In this paper, an investigation has been carried out using numerical simulation with an objective of analysis of Parabolic Trough Collectors on the basis of energy and exergy. Detailed second law analysis has been performed by varying the system and operating parameters through computer simulation. Exergy output has been determined by analysing the effect of major system parameters, namely, mirror reflectivity, glass transmissivity, absorptivity, the diameter of glass envelop, and the receiver. The operating parameters considered in the investigation are insolation and temperature rise parameters. The extensive investigation of the parabolic trough of a concentrated solar power plant for various design parameters in the range of operating parameters reveals that it is beneficial to operate the system at higher temperature as opposed to the preference of the operating system at lower temperature from purely thermal considerations.
Źródło:
Acta Innovations; 2021, 40; 19-30
2300-5599
Pojawia się w:
Acta Innovations
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-2 z 2

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