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Effects of Covid-19 on the BIST 100 network structure

Şükrüoğlu, Deniz - In: Applied economics 54 (2022) 52, pp. 5991-6007

Persistent link: https://www.econbiz.de/10013411335

Selection of capacitance for self-excited six-phase induction generator for stand-alone renewable energy generation

Singh, G.K.; Senthil Kumar, A.; Saini, R.P. - In: Energy 35 (2010) 8, pp. 3273-3283

This paper presents a simple method for finding the suitable value of shunt and series capacitance necessary to initiate self excitation and self-regulation (voltage regulation) in a self-excited six-phase induction generator (SPSEIG) for stand-alone renewable energy generation in conjunction...

Persistent link: https://www.econbiz.de/10010808620

Matrix modelling of small-scale trigeneration systems and application to operational optimization

Chicco, Gianfranco; Mancarella, Pierluigi - In: Energy 34 (2009) 3, pp. 261-273

Combined production of electricity, heat and cooling power in trigeneration represents a key option for the development of high-efficiency and cost-effective integrated energy systems. The complexity of the possible plant schemes calls for the adoption of general models handling multiple...

Persistent link: https://www.econbiz.de/10010808855

Spillovers across European sovereign credit markets and role of surprise and uncertainty

Bekiros, Stelios; Shahzad, Syed Jawad Hussain; Jammazi, … - In: Applied economics 52 (2020) 8, pp. 851-865

Persistent link: https://www.econbiz.de/10012197481

Graph efficiency and productivity measures : an application to US agriculture

Zofío, José L.; Lovell, C. A. Knox - In: Applied economics 33 (2001) 11, pp. 1433-1442

Persistent link: https://www.econbiz.de/10001602937

Mathematical modeling of multiple-effect evaporators and energy economy

Kaya, Durmus; Ibrahim Sarac, H. - In: Energy 32 (2007) 8, pp. 1536-1542

In this study, a mathematical model was developed for multiple-effect evaporators. These evaporators have cocurrent, countercurrent and parallel flow operation options. Each operation was investigated with and without pre-heaters. The effect of pre-heating on evaporation process was investigated...

Persistent link: https://www.econbiz.de/10010807294

Optimum design parameters and operating condition for maximum power of a direct methanol fuel cell using analytical model and genetic algorithm

Tafaoli-Masoule, M.; Bahrami, A.; Elsayed, E.M. - In: Energy 70 (2014) C, pp. 643-652

It is well known that anode and cathode pressures, cell temperature and channel geometry are the effective parameters in the performance of DMFC (direct methanol fuel cell). In the present paper, the GA (genetic algorithm) as one of the most powerful optimization tools is applied to determine...

Persistent link: https://www.econbiz.de/10010807957

Review of computational heat and mass transfer modeling in polymer-electrolyte-membrane (PEM) fuel cells

Siegel, C. - In: Energy 33 (2008) 9, pp. 1331-1352

-dimensional, large-scale setups, is presented with an emphasis on heat and mass transfer. Modeling strategies and commonly used … partial differential equations. Finally, an overview of commonly used simulation software for fuel cell modeling is given. A … finishes with a survey of outstanding issues and recent modeling trends. …

Persistent link: https://www.econbiz.de/10010808232

Optimum biomass drying for combustion – A modeling approach

Gebreegziabher, Tesfaldet; Oyedun, Adetoyese Olajire; … - In: Energy 53 (2013) C, pp. 67-73

Drying biomass as fuel in a combustion process can increase the combustion efficiency, reduce pollution and improve operation. On the other hand, drying biomass is an expensive process that requires huge capital investment and energy input. The difficulty of removing moisture from biomass is...

Persistent link: https://www.econbiz.de/10010808475

Analysis of energy intensity in manufacturing industry using mixed-effects models

Kepplinger, D.; Templ, M.; Upadhyaya, S. - In: Energy 59 (2013) C, pp. 754-763

The paper makes a cross country analysis of the energy intensity in manufacturing sectors. Empirical data for this purpose is gathered from the databases of two international agencies namely the IEA (International Energy Agency) and the UNIDO (UN International Development Organization), which...

Persistent link: https://www.econbiz.de/10010808546

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