Ahmet Yozgatlıgil

Department of Mechanical Engineering
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Co-combustion of high and low ash lignites with raw and torrefied biomass under air and oxy-fuel combustion atmospheres
Barzegar, Ramin; Yozgatlıgil, Ahmet; Atımtay, Aysel (2022-02-01)
Co-combustion characteristics of high and low ash lignites blended with raw and torrefied pine woodchips were studied by Thermogravimetric Analyzer (TGA) under air and oxy-fuel conditions. The lignites were blended with bi...
Vaporization Characteristics Of An İsolated Ethanol Droplet At Flame Conditions
Eyice, Deniz Kaya; Renoux, Guillaume; Halter, Fabien; Yozgatlıgil, Ahmet; Gökalp, Iskender; Chauveau, Christian (2022-1-01)
Single ethanol droplet evaporation characteristics were studied under premixed CH4/air flame conditions via experimental and numerical approaches. In the experimental part, an ethanol droplet with an initial diameter betwe...
Modeling and numerical simulations of lignite char gasification with CO2: The effect of gasification parameters on internal transport phenomena
Karaca, Mehmet; Kaya, Deniz; Yozgatlıgil, Ahmet; Gokalp, Iskender (Elsevier BV, 2021-02-01)
The purpose of this study is to develop an experimental data-based char particle gasification model in order to assess the effects of particle size, gasification temperature and char generation heating rate on global gasif...
TGA and kinetic study of different torrefaction conditions of wood biomass under air and oxy-fuel combustion atmospheres
Barzegar, Ramin; Yozgatlıgil, Ahmet; OLGUN, HAYATİ; Atımtay, Aysel (2020-06-01)
Combustion and oxy-fuel combustion characteristics of torrefied pine wood chips were investigated by Thermogravimetric Analysis (TGA). Three torrefaction temperatures (250, 300, and 350 degrees C) and two residence times (...
Hataysal, Seyfettin Ertan; Yozgatlıgil, Ahmet (2020-01-01)
Gas turbine combustor performance was explored by utilizing a 1-D flow network model. To obtain the preliminary performance of combustion chamber, three different flow network solvers were coupled with a chemical reactor n...
Combustion characteristics of Turkish lignites at oxygen-enriched and oxy-fuel combustion conditions
Barzegar, Ramin; Yozgatlıgil, Ahmet; Atımtay, Aysel (2019-10-01)
Combustion and oxy-fuel combustion characteristics of two Turkish lignites (Orhaneli and Soma) were investigated by Thermogravimetric Analysis (TGA) method. Experiments were carried out under oxygen-enriched air and oxy-fu...
Ulusal Kutup Bilimleri Çalıştayı Bildiri Kitabı (3)
Yozgatlıgil, Ahmet; Salihoğlu, Barış; Tezcan, Devrim; Akkaş, Sara Banu (Türkiye Cumhuriyeti Sanayi ve teknoloji Bakanlığı; Orta Doğu Teknik Üniversitesi; İstanbul Teknik Üniversitesi-PoLReC; 2019-9)
An analysis of tunnel fire characteristics under the effects of vehicular blockage and tunnel inclination
SHAFEE, SINA; Yozgatlıgil, Ahmet (Elsevier BV, 2018-09-01)
It is known that the blockage and inclination conditions of tunnels are among the important factors affecting fire safety considerations, as these factors could change the characteristics of possible fire incidents as well...
An Experimental Study on the Burning Rates and Smoke Layer Temperatures in Tunnel Fires under Steady State Burning Condition Using a Reduced Scale Model
Shafee, Sina; Yozgatlıgil, Ahmet (2018-07-29)
An experimental study on the burning rates of interacting fires in tunnels
SHAFEE, SINA; Yozgatlıgil, Ahmet (2018-03-01)
Multiple fires may occur in close proximity in process industries, power generation and fuel storage facilities and confinement conditions such as tunnels, which can lead to a considerable alteration in fire characteristic...
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