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An experimental study of the exergetic performance of an underground air tunnel system for greenhouse cooling

Ozgener, Leyla; Ozgener, Onder - In: Renewable Energy 35 (2010) 12, pp. 2804-2811

exergy transports between the components and the destructions in each of the components of the system are determined for the … tunnel is found to be in a range among 57.8–63.2%. The overall exergy efficiency value for the system on a product/fuel basis …

Persistent link: https://www.econbiz.de/10010805847

Second law analysis of wind turbine power plants: Cesme, Izmir example

Baskut, Omer; Ozgener, Onder; Ozgener, Leyla - In: Energy 36 (2011) 5, pp. 2535-2542

In this study, the energy and exergy efficiency results of the Wind Turbine Power Plants (WTPPs) are presented. Exergy … system in Cesme, Izmir WTPP. General energy, exergy and other performance parameters are also presented. Investigated WTPP is … Turkey’s first installed (1998) wind plant (1.50MW) located in Izmir. Exergy efficiency of the power plant found to be …

Persistent link: https://www.econbiz.de/10010807592

Performance analysis of combined cycle power plants: A case study

Ersayin, Erdem; Ozgener, Leyla - In: Renewable and Sustainable Energy Reviews 43 (2015) C, pp. 832-842

by using first and second law thermodynamics. Energy and exergy efficiencies of the each component of the power plant …, energy and exergy efficiencies of the combined cycle power plant are found as 56% and 50.04% respectively and it is found … that combustion chamber has the most exergy destruction rate among the system components. According to the calculation …

Persistent link: https://www.econbiz.de/10011190439

Thermodynamics and exergoeconomic analysis of geothermal power plants

Yildirim, Deniz; Ozgener, Leyla - In: Renewable and Sustainable Energy Reviews 16 (2012) 8, pp. 6438-6454

Fossil fuel reserves (coal, oil, natural gas, etc.) diminish day by day. In addition, rapid advancement of technology causes an increase in the amount of energy needed. This emerging situation resulted in ever increasing importance of renewable energy sources, and various systems are being...

Persistent link: https://www.econbiz.de/10010580696

Coefficient of performance (COP) analysis of geothermal district heating systems (GDHSs): Salihli GDHS case study

Ozgener, Leyla - In: Renewable and Sustainable Energy Reviews 16 (2012) 2, pp. 1330-1334

The purpose of this survey is about to analyze the heating coefficient of performance (COP) of geothermal district heating systems. Actual system data are taken from the Salihli GDHS, Turkey. The collected data are quantified and illustrated in tables, particularly for a reference temperature...

Persistent link: https://www.econbiz.de/10010573566