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Exergy analysis

Exergy Analysis of a Turbofan Engine

Exergy Analysis of a Turbofan Engine

... an exergy analysis of a turbofan engine for an unmanned aerial vehicle during a surveillance ...most exergy destruction within the ...the exergy analysis, ...

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Energy and exergy analysis of heat pump using R744/R32 refrigerant mixture

Energy and exergy analysis of heat pump using R744/R32 refrigerant mixture

... and exergy analysis of heat pump with blends of refrigerant mixture R744/R32 was carried ...and exergy efficiency of the system were studied with different mass fraction of R744 in the blends and ...

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Steady–State Exergy Analysis of a Simple Solar Still

Steady–State Exergy Analysis of a Simple Solar Still

... radiation exergy to the heat the brine, while in the brine the evaporation exergy accounts for the 6% of total ...exergy. Exergy/energy ratio shows that the most efficient component is the ...

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Efeito da reação de calcinação nas análises energética e exergética de um forno rotativo empregado na produção de clínquer (Effect of the calcination reaction on the energy and exergy analysis of a rotary kiln used in the production of clinker)

Efeito da reação de calcinação nas análises energética e exergética de um forno rotativo empregado na produção de clínquer (Effect of the calcination reaction on the energy and exergy analysis of a rotary kiln used in the production of clinker)

... The production of cement requires high energy consumption. The main process of cement production is the clinker production called clinkerization. This process occurs in a rotary kiln. Previous studies indicate that a ...

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An application of safety analysis technique for thermal optimization of a paper machine

An application of safety analysis technique for thermal optimization of a paper machine

... However, a noticeable energy was carried by the fibres and moisture of the paper machine. Total energy input to the dryer section was found to be 31940 MJ based on one hour operation. In the dryer, steam gives up heat to ...

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Avoidable and unavoidable exergy destruction and exergoeconomic evaluation of the thermal processes in a real industrial plant

Avoidable and unavoidable exergy destruction and exergoeconomic evaluation of the thermal processes in a real industrial plant

... of exergy destruc- tion is possible only after defining the total value of exergy destruction for the component under ...of exergy destruction is the first step in the conven- tional exergy ...

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DETERMINATION OF THE EXERGY OF FOUR WHEAT STRAWS

DETERMINATION OF THE EXERGY OF FOUR WHEAT STRAWS

... Exergy analysis is a methodology that uses the conservation of energy principle (embodied in the first law of thermodynamics) together with non-conservation of entropy principle (embodied in the second law) ...

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Energy and exergy efficiency of heat pipe evacuated tube solar collectors

Energy and exergy efficiency of heat pipe evacuated tube solar collectors

... irreversibility analysis and also qualitative analysis of energy flow. Exergy analysis combines the first and second laws of thermodynamics to measure the workability of a system based on ...

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Theoretical energy and exergy analyses of solar assisted heat pump space heating system

Theoretical energy and exergy analyses of solar assisted heat pump space heating system

... space. Exergy analysis is also performed with the simulation and irreversibility, improvement potentials and exergy efficiencies of the heat pump and system components are ...

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Energy and Exergy Analyses of Angra 2 Nuclear Power Plant

Energy and Exergy Analyses of Angra 2 Nuclear Power Plant

... of exergy to assess the performance of a desalination process due to each ...has exergy efficiency of ...an exergy analysis in a water-cooled water-moderated power reactor (VVER) with a ...

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Thermodynamic Analysis of a Mixed-Mode Solar Dryer

Thermodynamic Analysis of a Mixed-Mode Solar Dryer

... and exergy analysis for a mixed-mode flat-plate solar dryer (MSD) employed in drying restaurant wastes, to ascertain its performance characteristics and quality of the dried ...

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Braz. J. Pharm. Sci.  vol.50 número4

Braz. J. Pharm. Sci. vol.50 número4

... (DSC) analysis of mucilage revealed the glass transition temperature is 78 ...endotherm analysis is represented in Figure 3 for ...thermal analysis (DTA) analysis for mucilage reveals the ...

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Morphometric Discrimination of Females of Five Species of Anopheles of the Subgenus Nyssorhynchus from Southern and Northwest Colombia

Morphometric Discrimination of Females of Five Species of Anopheles of the Subgenus Nyssorhynchus from Southern and Northwest Colombia

... Multivariate analysis - A principal component analy- sis (PCA) was carried out, with the objective of examining morphometric relations between the diverse ...variate analysis. The objective of this ...

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Overeducation, undereducation and labor earnings in Brazil: a panel data analysis

Overeducation, undereducation and labor earnings in Brazil: a panel data analysis

... This paper investigates the effects of undereducation and overeducation on labor earnings in Brazil. The empirical analysis takes advantage from information provided by professional job analysts to compute the ...

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Analyzing key performance indicators of e-commerce using balanced scorecard

Analyzing key performance indicators of e-commerce using balanced scorecard

... In order to save space in this article, only 4 charts, based on the average values of the indicators are presented at the end. In Figs. (6-9), the indicators identified in the four perspectives of the balanced scorecard ...

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Analysis Of Lean Accounting JIT And Balance Scorecard In The Companys Lean Manufacturing

Analysis Of Lean Accounting JIT And Balance Scorecard In The Companys Lean Manufacturing

... Lean manufacturing is distinguished by the following five principles of lean thinking : Precisely specify value by each particular product, Identify the ―value stream‖ for each, Make value flow without interruption, Let ...

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Barriers And Profits Of Distan ce Education In Operations Research Based Decision Analysis

Barriers And Profits Of Distan ce Education In Operations Research Based Decision Analysis

... We have identified technological barriers in construction of interactive educational decision support software (ability, complexity and flexibility). Next we proposed a modular design architecture allowing to overcame ...

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WP 108 Less Inequality, More Welfare? A Structural Quantitative Analysis for Brazil

WP 108 Less Inequality, More Welfare? A Structural Quantitative Analysis for Brazil

... Finally, notice that we are comparing the value of each parameter in two different points in time. However, the changes that we observed in the cost to acquire skills, on the importance of skilled workers in production, ...

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Radiol Bras  vol.44 número1

Radiol Bras vol.44 número1

... Although ITLC-SG and Whatman 3MM paper may be indistinctively utilized in most analyses, the first one is better than the second one (better resolution in the separation of components and swiftness of the analysis ...

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Envelopes of Cometary Orbits

Envelopes of Cometary Orbits

... The major difficulty of Leibnitz’s approach was a number of paradoxes and a lack of formal framework for consistent foundation of infinitesimal calculus. Introducing Weierstrass analysis the infi- nite quantities are ...

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