Results 11 to 20 of about 4,154 (188)
Exergy efficiency of plant photosynthesis [PDF]
Chemical Engineering Science, 2015 Abstract With recent concerns about sustainability and environmental protection, growing attention has been focused on biological sources for both chemicals and fuels; however, to analyze such bioprocesses for commercial viability, and to investigate possible efficiency improvements, the theoretical efficiencies must be known as an upper-bound on ...
Cory S. Silva +2 more
openaire +1 more source
Energies, 2019 In this study, the exergy analysis of a CO2 (R744) two-phase ejector was performed using a 1D model for both single and double choking conditions. The impact of the back pressure on the exergy destruction and exergy efficiencies was presented to evaluate
Sahar Taslimi Taleghani +2 more
doaj +1 more source
Journal of Thermal Science and Technology, 2013 For a practical thermoelectric generator (TEG) system, the performance is affected by many irreversible processes. This study evaluates the effects of multi-irreversibilities on TEG performance using exergy analysis.
Chien-Chang WANG, Chen-I HUNG
doaj +1 more source
Effects of Dynamic Shading on Thermal Exergy and Exergy Efficiency of a Photovoltaic Array
Tehnički vjesnik, 2022 In this study, the effects of dynamic shading caused by an incorrectly positioned transformer building in a Photovoltaic array were investigated regarding the exergy efficiency and thermal exergy for a year. Experimental and theoretical results show that the thermal exergy is affected by the surface temperature of solar panels depending on their ...
Pour Rahmati Khalejan, Seyed Hamed +1 more
openaire +3 more sources
Analysis of the Exergy of Combustion the Diesel and Biodiesel Fuel in a DI Diesel Engine [PDF]
Journal of Agricultural Machinery, 2019 Introduction In recent years, the exergy analysis method has been widely used in the design, simulation and performance assessment of various thermal systems.
G Khoobbakht
doaj +1 more source
Electrotechnological Heat Treatment of Milk: Energy and Exergy Efficiency
Техника и технология пищевых производств, 2023 The dairy industry needs new and more energy-efficient technological procedure for milk pasteurization. This article introduces a comparative efficiency assessment of various milk pasteurization technologies and electrotechnological means.
Andrei A. Bagaev, Sergey O. Bobrovskiy
doaj +1 more source
Exergy Analyses of Onion Drying by Convection: Influence of Dryer Parameters on Performance
Entropy, 2018 This research work is concerned in the exergy analysis of the continuous-convection drying of onion. The influence of temperature and air velocity was studied in terms of exergy parameters.
María Castro +4 more
doaj +1 more source
Exergy-Based Efficiency Analysis of Pyrometallurgical Processes [PDF]
Metallurgical and Materials Transactions B, 2010 Exergy-based efficiency analysis provides a powerful tool for optimizing industrial processes. In this article, the use of this technique for pyrometallurgical applications is explored in four steps. First, the exergy concept is introduced, the outline of exergy calculations is presented, and the role of a reference state is discussed.
Klaasen, Bart +5 more
openaire +1 more source
Modelling and Simulation in Engineering, 2018 Developed power variation of turbogenerator (TG) steam turbine, which operates at the conventional LNG carrier, allows insight into the change in turbine exergy efficiency and exergy destruction during the increase in turbine power.
Vedran Mrzljak +2 more
doaj +1 more source
Influence of operating parameters on the performance of combined cycle based on exergy analysis
Case Studies in Thermal Engineering, 2022 This paper presents the energy and exergy analysis for actual data of the triple-pressure combined cycle power plant (CCPP). This study was carried out to evaluate each component's power plant efficiency and destruction rate.
Lava Talib Shireef, Thamir K. Ibrahim
doaj +1 more source