Kurum Yazarı "Avcı, Mete" İçin Listeleme
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Conical coaxial impinging air jets: angle effect on the heat transfer performance
Markal, Burak; Avcı, Mete; Aydın, Orhan (Springer, 2020)Herein, an experimental attempt is conducted to research thermal and flow behaviors of an impinging jet exiting from a coaxial type nozzle with a conical outer and a circular inner outlets. the experiments include four ... -
Effect of air change rate on particle dispersion from inlet opening under varying particle source strengths
Çetin, Yunus Emre; Avcı, Mete; Aydın, Orhan (Taylor and Francis Ltd., 2020)In this study, effect of air change rate (air change per hour–ACH) on indoor particle dispersion and deposition in a ventilated room is investigated. A reduced-scale model is designed to conduct experiments. Numerical ... -
Effect of air exhaust location on surgical site particle distribution in an operating room
Ağırman, Aleyna; Çetin, Yunus Emre; Avcı, Mete; Aydın, Orhan (Tsinghua Univ Press, 2020)This study investigates effect of exhaust outlet location on airflow and particle distribution in an operating room with laminar ventilation system (LAF) via computational fluid dynamics (CFD). Four different exhaust opening ... -
Effect of double cross sectional ratio on performance characteristics of pulsating heat pipes
Markal, Burak; Candere, Ayşe Candan; Avcı, Mete; Aydın, Orhan (Elsevier, 2021)Effect of double cross sectional ratio on performance characteristics of pulsating heat pipes is experimentally investigated. The cross sectional ratios in the evaporator and condenser sides are different from each other, ... -
Effect of fin width ratio on thermal performance of fin based-heat sink with phase change materials
Yazıcı, Mustafa Yusuf; Avcı, Mete; Aydın, Orhan; Arshad, Adeel; Jabbal, Mark (Elsevier, 2023)The rapid development of electronics, coupled with need of miniaturization in the design and manufacture, makes heat dissipation, which is critical for the performance, lifetime, and reliability of the components extremely ... -
Effect of gradually expanding flow passages on flow boiling of micro pin fin heat sinks
Markal, Burak; Kul, Beyzanur; Avcı, Mete; Varol, Ramazan (Elsevier, 2022)In this paper, effect of gradually expanding flow passages on saturated flow boiling characteristics of micro pin fin heat sinks is experimentally investigated. In this regard, a comparative analysis is performed based on ... -
Effect of laminar airflow unit diffuser size on pathogen particle distribution in an operating room
Ağırman, Aleyna; Çetin, Yunus Emre; Avcı, Mete; Aydın, Orhan (Taylor & Francis Inc, 2020)Operating room ventilation is quite important to protect patients from infection risk inside a surgical field. the laminar flow units (LAF) used in these applications contribute to removal of pathogen particles from the ... -
Evaluation of in-duct UV-C lamp array on air disinfection: A numerical analysis
Atcı, Fatih; Çetin, Yunus Emre; Avcı, Mete; Aydın, Orhan (Taylor & Francis Inc, 2020)In-duct ultraviolet germicidal irradiation systems are effective systems that are used in disinfection of pathogenic particles transported by air that moving through the ventilation systems. Proper design of these systems ... -
Hava değişim katsayısının kirleticileri uzaklaştırma performansına etkisinin incelenmesi
Çetin, Yunus Emre; Avcı, Mete; Aydın, Orhan (Gazi Üniversitesi, 2021)In this study, the effect of air change rate on particle dispersion is investigated experimentally and numerically for different contaminant source positions. An experimental study is carried out on a reduced scale model ... -
Influence of ventilation strategies on dispersion and removal of fine particles: An experimental and simulation study
Çetin, Yunus Emre; Avcı, Mete; Aydın, Orhan (Taylor & Francis Inc, 2020)In this study, effect of inlet/outlet configurations on the dispersion and removal of fine particles are examined experimentally and numerically. Ten different inlet/outlet configurations are tested for three different ... -
Investigation of flat plate type pulsating heat pipes via flow visualization-assisted experiments: Effect of cross sectional ratio
Markal, Burak; Candere, Ayşe Candan; Avcı, Mete; Aydın, Orhan (Elsevier, 2021)In the present study, combined influence of filling ratio, geometry, inclination angle and heating power on heat transfer characteristics of the pulsating heat pipes (PHPs) are investigated accompanying analysis of complex ... -
Non-Newtonian laminar pulsating heat and fluid flow in plane duct
Altunkaya, Ayşe Nur; Aydın, Orhan; Avcı, Mete (Wiley, 2023)In the present study, laminar pulsating power-law momentum and heat transfer in a uniformly heated plane duct is studied analytically. Assuming that fully developed conditions exist both hydrodynamically and thermally, a ... -
Particle dispersion and deposition in displacement ventilation systems combined with floor heating
Çetin, Yunus Emre; Avcı, Mete; Aydın, Orhan (Taylor & Francis Inc, 2020)The aim of this study is to investigate dispersion and deposition characteristics of different particle diameters (0.5-5-10 mu m) for a displacement ventilated and floor heated environment, experimentally and numerically. ... -
Pulsating flow and heat transfer of power-law fluid in a circular pipe
Altunkaya, Ayşe Nur; Aydın, Orhan; Avcı, Mete (Vilnius University, 2023)In this study, the pulsating flow of a non-Newtonian fluid and heat transfer in a pipe with uniform heat flux at its wall is examined analytically. The flow is assumed to be both hydrodynamically and thermally fully ... -
Pulsating non-Newtonian heat and fluid flow in a concentric annular duct: An analysis using perturbation series method
Altunkaya, Ayşe Nur; Aydın, Orhan; Avcı, Mete (Elsevier, 2024)In the current study, an analytical analysis is conducted to examine laminar pulsating flow and heat transfer of power-law fluid in a concentric annular channel that is uniformly heated. The momentum and energy balance ... -
Thermal energy storage performance of PCM/graphite matrix composite in a tube-in-shell geometry
Yazıcı, M.Y.; Sağlam, Mehmet; Aydın, Orhan; Avcı, Mete (Elsevier, 2021)Melting heat transfer performance and measuring energy storage efficiency via total melting time of PCM/ graphite matrix in a tube-in-shell for solar thermal energy storage and recovering waste heat applications is studied ...