Results 81 to 90 of about 13,670 (218)

Exergetic analysis of an aircraft turbojet engine with an afterburner [PDF]

open access: yes, 2013
An exergy analysis is reported of a J85-GE-21 turbojet engine and its components for two altitudes: sea level and 11,000 meters. The turbojet engine with afterburning operates on the Brayton cycle and includes six main parts: diffuser ...
Anjiridezfuli A.   +2 more
core   +1 more source

Nanomaterials and Eco‐Friendly Refrigerants in Vapor Compression System: A Review of Performance and Sustainability

open access: yesEnergy Science &Engineering, EarlyView.
This review highlights how nano oils and eco‐friendly nano refrigerants enhance energy‐efficient refrigeration by improving thermal conductivity, lubrication, and system performance. The integration of rheological and tribological testing confirms reduced compressor work, better heat transfer, and higher COP using sustainable, low‐GWP refrigerants for ...
Mohammed Dilawar   +7 more
wiley   +1 more source

Exergy Analysis of Complex Ship Energy Systems

open access: yesEntropy, 2016
With multiple primary and secondary energy converters (diesel engines, steam turbines, waste heat recovery (WHR) and oil-fired boilers, etc.) and extensive energy networks (steam, cooling water, exhaust gases, etc.), ships may be considered as complex ...
Pierre Marty   +3 more
doaj   +1 more source

Advanced exergetic analysis of a heat pump with wastewater heat exchanger [PDF]

open access: yes, 2018
В роботі наведені результати поглибленого ексергетичного аналізу теплонасосної установки, у складі якої використовується теплообмінник проміжного контуру для утилізації енергії стічних вод.
Волощук, Володимир Анатолійович
core   +1 more source

Hevea brasiliensis seeds: A novel sustainable feedstock for ethanol production

open access: yesVietnam Journal of Chemistry, EarlyView.
Abstract The rubber tree (Hevea brasiliensis) is cultivated on a large scale mainly for the extraction of latex in Brazil and Southeast Asia, also generating large quantities of seeds. These seeds currently do not have large‐scale applications and may thus be considered as a residue.
Giovano Tochetto   +4 more
wiley   +1 more source

Analysis of the Behaviour of Biofuel-Fired Gas Turbine Power Plants [PDF]

open access: yes, 2011
The utilisation of biofuels in gas turbines is a promising alternative to fossil fuels for power generation. It would lead to significant reduction of CO2 emissions using an existing combustion technology, although significant changes seem to be needed
Escudero Olano, Marcos   +2 more
core   +1 more source

Comprehensive Review on Concentrated Solar Photovoltaics: Manufacturing, Cooling Technologies, and Advanced Applications

open access: yesAdvanced Energy and Sustainability Research, Volume 7, Issue 3, March 2026.
This review examines the evolution and current state of concentrated photovoltaic systems, focusing on materials, manufacturing pathways, and thermal management challenges. Advanced cooling techniques and emerging applications are assessed alongside recent digital integration strategies. Through linking performance gains with practical limitations, the
Abdul Ghani Olabi   +7 more
wiley   +1 more source

Energy, exergy and advanced exergy analyses on Garri “1” combined cycle power plant of Sudan

open access: yesInternational Journal of Thermofluids
Thermal power plants account for 39 % of Sudan’s electricity grid. Consequently, enhancing the performance of these plants is crucial for bolstering the Sudanese energy sector.
Adil A.M. Omara   +2 more
doaj   +1 more source

Advanced Thermodynamic Analysis Applied to an Integrated Solar Combined Cycle System

open access: yesEnergies, 2018
The variation performance of integrated solar combined cycle (ISCC) is presented using energy, conventional exergy and advanced exergy analysis methods to provide information about exergy destruction of components and efficiencies of overall plant ...
Shucheng Wang   +3 more
doaj   +1 more source

Multi-layered solid-PCM thermocline thermal storage concept for CSP plants. Numerical analysis and perspectives [PDF]

open access: yes, 2015
Thermocline storage concept has been considered for more than a decade as a possible solution to reduce the huge cost of the storage system in concentrated solar power (CSP) plants.
Galione Klot, Pedro Andrés   +4 more
core   +2 more sources

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