Yazar "Koca, Kemal" için listeleme
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Biogas intake pressure and port air swirl optimization to enhance the diesel RCCI engine characteristics for low environmental emissions
Dalha, Ibrahim B.; Koca, Kemal; Said, Mior A.; Rafindadi, Aminu D. (Institution of Chemical Engineers, 2024)Exhaust emission and combustion control in RCCI (reactivity-controlled compression ignition) focused mainly on the direct-injected fuel parameters, urging to investigate the advantages of port-fuel intake parameters. ... -
Compensating energy demand of public transport and yielding green hydrogen with floating photovoltaic power plant
Koca, Kemal (Institution of Chemical Engineers, 2024)The last three decades have seen a dramatic increase in the renewable energy sector as a result of increased human energy consumption and environmental concerns about fossil fuels. Offshore renewable energy sources are the ... -
Convenient Site Selection of a Floating PV Power Plant in Türkiye by using GIS-Fuzzy Analytical Hierarchy Process
Karipoğlu, Fatih; Koca, Kemal; İlbahar, Esra (SPRINGER, 2024)Floating photovoltaics (FPVs) are appearing as a promising and an alternative renewable energy opinion in which PV panels are mounted on foating platforms in order to produce electricity from renewable energy on water ... -
Design analysis of a wave energy converter for hydrogen generation near shoreline of Black Sea
Bekçi, Eyüp; Koca, Kemal; Bashir, Muhammad Farhan (Institution of Chemical Engineers, 2024)The generation of electricity from waves has attracted a lot of attention from researchers lately. Despite the vastness and accessibility of wave energy across the majority of the planet, there is a dearth of literature ... -
Experimental flow control investigation over suction surface of turbine blade with local surface passive oscillation
Koca, Kemal; Genc, Mustafa Serdar; Veerasamy, Dhamotharan; Ozden, Mustafa (Elsevier, 2022)Impact of the local flexible membrane (LFM) on aerodynamic phenomena including the formation of a laminar separation bubble (LSB) and transition to turbulence was experimentally investigated over the suction surface of a ... -
Flow properties of an Ahmed Body with different passive flow control methods
Koca, Kemal; Özden, Mustafa (Gazi Üniversitesi, 2024)A numerical simulation by utilizing the FloEFD software was carried out in order to investigate the flow topology formed on slant surface and wake region of an Ahmed Body with and without passive flow control techniques. ... -
GIS-AHP APPROACH FOR A COMPREHENSIVE FRAMEWORK TO DETERMINE THE SUITABLE REGIONS FOR GEOTHERMAL POWER PLANTS IN IZMIR, TÜRKİYE
Koca, Kemal; Karipoğlu, Fatih; Öztürk, Emel Zeray (Konya Mühendislik, 2024)Geothermal energy is gaining more reputation and importance around the world. Correspondingly, suitable location selection is a critical step and has become necessary for the successful installation and operation of ... -
Investigating the best automatic programming method in predicting the aerodynamic characteristics of wind turbine blade
Arslan, Sibel; Koca, Kemal (PERGAMON-ELSEVIER SCIENCE LTD, 2023)Automatic programming (AP) is a subfield of artificial intelligence (AI) that can automatically generate computer programs and solve complex engineering problems. This paper presents the accuracy of four different AP methods ... -
Investigation of the effect of hidden vortex generator-flap integrated mechanism revealed in low velocities on wind turbine blade flow
Ozden, Mustafa; Genc, Mustafa Serdar; Koca, Kemal (PERGAMON-ELSEVIER SCIENCE, 2023)In this study, the flap and vortex generator (VG) mechanisms which were employed separately in aircraft were used as integrated first in literature. In this mechanism, the flap motion triggered and activated the VGs when ... -
Nuclear energy consumption, energy access and energy poverty: Policy implications for the COP27 and environmental sustainability
Bashir, Muhammad Farhan; Ma, Beiling; Sharif, Arshian; Ao, Tong; Koca, Kemal (ELSEVIER SCI LTD, 2023)The ever-increasing energy resource demand and subsequent environmental challenges mean that policymakers have shifted their focus to nuclear energy to address energy and environmental issues due to its unlimited potential. ... -
Passive Flow Control Application Using Single and Double Vortex Generator on S809 Wind Turbine Airfoil
Koca, Kemal; Ozden, Mustafa; Genc, Mustafa Serdar (MDPI, 2023)The current study is aimed at investigating the influences of vortex generator (VG) applications mounted to the suction and pressure surfaces of the S809 wind turbine airfoil at low Reynolds number flow conditions. Both ... -
Predicting the effects of direct-injected fuels co-powered by high-CO2 biogas on RCCI engine emissions using kinetic mechanisms and multi-objective optimization
Dalha, Ibrahim B.; Koca, Kemal; Said, Mior A.; Rafindadi, Aminu D. (ELSEVIER, 2024)High inert gas content in biogas resulted in poor burning and emissions attributes, though scarcely investigated in reactivity controlled compression ignition (RCCI). Established kinetic mechanisms were combined with ... -
Role of Partial Flexibility on Flow Evolution and Aerodynamic Power Efficiency over a Turbine Blade Airfoil
Koca, Kemal; Genç, Mustafa Serdar (MDPI, 2024)In this study, the aerodynamic performance of a cambered wind turbine airfoil with a partially flexible membrane material on its suction surface was examined experimentally across various angles of attack and Reynolds ...
