Yazar "Hocaoğlu, Fatih Onur" için Makale Koleksiyonu listeleme
-
The effect of model generated solar radiation data usage in hybrid (wind-PV) sizing studies
Hocaoğlu, Fatih Onur; Gerek, Ömer Nezih; Kurban, Mehmet (Pergamon-Elsevier Science LTD, 2009)Wind speed and solar radiation characteristics belonging to past years of a region are the main input parameters in wind-photovoltaic hybrid system (WPHS) sizing studies. Classically, these data are fed to several scenarios ... -
Harmonic analysis based hourly solar radiation forecasting model
Fidan, Mehmet; Hocaoğlu, Fatih Onur; Gerek, Ömer Nezih (Inst Engineering Technology-Iet, 2015)In this study, a novel two-step hourly solar radiation modelling procedure is developed. In the first step, hourly solar radiation data of a single day is considered and its periodic Fourier series coefficients are calculated. ... -
Hourly solar radiation forecasting using optimal coefficient 2-D linear filters and feed-forward neural networks
Hocaoğlu, Fatih Onur; Gerek, Ömer Nezih; Kurban, Mehmet (Pergamon-Elsevier Science LTD, 2008)In this work, the hourly solar radiation data collected during the period August 1, 2005-July 30, 2006 from the solar observation station in Iki Eylul campus area of Eskisehir region are studied. A two-dimensional (2-D) ... -
Improved synthetic wind speed generation using modified Mycielski approach
Fidan, Mehmet; Hocaoğlu, Fatih Onur; Gerek, Ömer Nezih (Wiley-Blackwell, 2012)In this paper, novel approaches for wind speed data generation using Mycielski algorithm are developed and presented. To show the accuracy of developed approaches, we used three-year collected wind speed data belonging to ... -
Missing wind data forecasting with adaptive neuro-fuzzy inference system
Hocaoğlu, Fatih Onur; Oysal, Yusuf; Kurban, Mehmet (Springer, 2009)In any region, to begin generating electricity from wind energy, it is necessary to determine the 1-year distribution characteristics of wind speed. For this aim, a wind observation station must be constructed and 1-year ... -
Mycielski approach for wind speed prediction
Hocaoğlu, Fatih Onur; Fidan, Mehmet; Gerek, Ömer Nezih (Pergamon-Elsevier Science LTD, 2009)Wind speed modeling and prediction plays a critical role in wind related engineering studies. However, since the data have random behavior, it is difficult to apply statistical approaches with apriori and deterministic ... -
A novel fourier based solar radiation model
Solar radiation modeling is an important issue for renewable energyengineering based problems. In this study, a novel solar radiation model isproposed. The model inputs are the solar radiation data belonging to first ... -
A novel hybrid (wind-photovoltaic) system sizing procedure
Hocaoğlu, Fatih Onur; Gerek, Ömer Nezih; Kurban, Mehmet (Pergamon-Elsevier Science LTD, 2009)Wind-photovoltaic hybrid system (WPHS) utilization is becoming popular due to increasing energy costs and decreasing prices of turbines and photovoltaic (PV) panels. However, prior to construction of a renewable generation ... -
Novel Models for Hourly Solar Radiation Using a 2-D Approach
Hocaoğlu, Fatih Onur; Gerek, Ömer Nezih; Kurban, Mehmet (Icic Int, 2009)In this work one year hourly solar radiation data are analyzed and modeled using a novel visualization method. Using a 2-D(Dimensional) surface fitting approach, the general behavior of the solar radiation in a year is ... -
A novel wind speed modeling approach using atmospheric pressure observations and hidden Markov models
Hocaoğlu, Fatih Onur; Gerek, Ömer Nezih; Kurban, Mehmet (Elsevier Science BV, 2010)Modeling the wind speed data has important implications in wind studies, providing valuable insight and parametric quantities for further engineering analysis. The classical modeling approach is to fit the probability ... -
Potential Analysis of Wind Energy as a Power Generation Source
Kurban, Mehmet; Hocaoğlu, Fatih Onur (Taylor & Francis Inc, 2010)Wind energy as a power generation source is one of the most significant and rapidly developing renewable energy sources in the world. Because wind energy potential in various parts of Turkey is becoming economical, it is ... -
Regional Wind Energy Resource Assessment
Hocaoğlu, Fatih Onur; Kurban, Mehmet (Taylor & Francis Inc, 2010)In this study, using the Wind Atlas Analysis and Application Program (WAsP) software the wind statistics and energy calculations are performed for Eskisehir region. Suitable sites to locate wind turbines optimally are ... -
Rüzgar enerjisi potansiyelinin tahmininde kullanılan iki farklı istatistiksel dağılımın karşılaştırmalı analizi
Bu çalışmada, Anadolu Üniversitesi tarafından desteklenen "A. Ü. İki Eylül Kampusu'nda Rüzgar ve Güneş Potansiyelini Belirleyerek Hibrid (Rüzgar-Güneş) Enerji Santral Modeli Kurmak" başlığı altındaki bilimsel araştırma ... -
Rüzgar enerjisi potensiyelinin araştırılmasında Weibull ve Rayleigh dağılımlarının kullanılması
Bu çalışmada, 2005 yılı Temmuz, Ağustos, Eylül ve Ekim aylarında saatlik olarak ölçülen rüzgar hızı verilerine dayanarak, Anadolu Üniversitesi İki Eylül Kampüsü 'ndeki rüzgar enerjisi potansiyeli istatistiksel olarak analiz ...