Yazar "Yay, Ozan Devrim" için listeleme
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Analysis of Test-Cell Emission Measurements of Newly Overhauled Turbofan Engines
Turgut, Enis Turhan; Cavcar, Mustafa; Yay, Ozan Devrim; Ucarsu, Mehmet; Yılmaz, Elif; Usanmaz, Öznur; Miake-Lye, Richard C. (Amer Inst Aeronautics Astronautics, 2015)In this study, the gaseous emissions of newly overhauled CFM56-3B1 and -3B2 series turbofan engines are measured in a test-cell environment during typical functional and performance test procedures. The measured emissions ... -
Development of a computational system for estimating biogenic NMVOCs emissions based on GIS technology
Symeonidis, Panagiotis; Poupkou, Anastasia; Gkantou, Anthia; Melas, Dimitrios; Yay, Ozan Devrim; Pouspourika, Evangelia; Balis, Dimitrios (Pergamon-Elsevier Science LTD, 2008)A computational system was developed that can be used for the compilation of spatially and temporally resolved biogenic non-methane volatile organic compounds emission inventories. A Geographic Information System was used ... -
Effects of anthropogenic emission sources on maximum ozone concentrations over Greece
Poupkou, Anastasia; Symeonidis, Panagiotis; LiSarıdis, Iraklis; Melas, Dimitrios; Ziomas, Ioannis; Yay, Ozan Devrim; Balis, Dimitrios (Elsevier Science Inc, 2008)The impacts of anthropogenic emissions from the maritime transport and from the countries neighboring Greece on the maximum ground-level ozone concentrations over Greece were studied. Ozone concentrations were simulated ... -
Eskişehir ve yakın çevresinde yüzey ozon dağılımının MM5-CAMx modelleri kullanılarak belirlenmesi
Yay, Ozan Devrim (Anadolu Üniversitesi, 2006)Bu tezde, atmosferik bileşenlerden yüzey ozonu oluşum mekanizmaları ve açık ortam derişimlerinin meteorolojik koşullarla, ozon öncülü bileşenlerle ve diğer atmosferik bileşenlerle ilişkisi Eskişehir ve çevresini kapsayan ... -
Estimating gaseous emissions production of an entire flight of a commercial aircraft based on emission measurements and actual flight data records
Turgut, Enis Turhan; Cavcar, Mustafa; Yay, Ozan Devrim; Ucarsu, Mehmet; Yılmaz, Elif; Usanmaz, O.; Döğeroğlu, Tuncay (Deutschen Forschungsanstalt fur Luft-und Raumfahrt, 2015)In this study, engine emissions measurement results and actual flight data records are used to obtain an emissions production profile of gate-To-gate flight activity. The platform and pow- erplant selected arc B737-800 and ... -
Evaluation of air quality by passive and active sampling in an urban city in Turkey: current status and spatial analysis of air pollution exposure
Gaga, Eftade Emine; Döğeroğlu, Tuncay; Özden, Özlem; Arı, Akif; Yay, Ozan Devrim; Altuğ, Hicran; Van Doorn, Wim (Springer Heidelberg, 2012)Concentrations of air pollutants, nitrogen dioxide (NO2), sulfur dioxide (SO2), ozone (O-3), particulate matter (PM2.5 and PM10), trace metals, and polycyclic aromatic hydrocarbons (PAHs) were measured in 2008 and 2009 in ... -
Fuel flow analysis for the cruise phase of commercial aircraft on domestic routes
Turgut, Enis Turhan; Cavcar, Mustafa; Usanmaz, Öznur; Canarslanlar, A. Ozan; Döğeroğlu, Tuncay; Armutlu, Kadir; Yay, Ozan Devrim (Elsevier France-Editions Scientifiques Medicales Elsevier, 2014)From the point of view of the environmental impact of aviation, rather than fundamental strategies mainly intended for lower fuel consumption, and thereby less carbon dioxide emissions, more comprehensive approaches have ... -
A gaseous emissions analysis of commercial aircraft engines during test-cell run
Turgut, Enis Turhan; Cavcar, Mustafa; Yay, Ozan Devrim; Ucarsu, Mehmet; Yılmaz, Elif; Usanmaz, Öznur; Döğeroğlu, Tuncay (Pergamon-Elsevier Science LTD, 2015)This study presents an analysis of the seventeen complete measurements of gaseous emissions of eleven different CFM56-7B26 turbofan engines during the regular test-cell runs. A novel measurement setup is established in ... -
An integrative approach for determination of air pollution and its health effects in a coal fired power plant area by passive sampling
Artun, gülzade Küçükacil; PolAt, Nurayarin; Yay, Ozan Devrim; Üzmez, Özlem Özden; Arı, Akif; Tuygun, Gizem Tuna; Gaga, Eftade Emine (Pergamon-Elsevier Science LTD, 2017)Ambient concentrations of nitrogen dioxide (NO2), sulfur dioxide (SO2), ozone (O-3) and volatile organic compounds (VOCs) were measured at several locations in Kutahya, a severely polluted city and also characterized as a ... -
Interpretation of aerosol properties to comment on their natural and anthropogenic sources
Yay, Ozan Devrim (Springer, 2003)It has far been an interest to many scientists to study on aerosols. Apart from just determining atmospheric concentrations and the level of pollution, various properties of aerosols and their relative compositions can be ... -
Investigating actual landing and takeoff operations for time-in-mode, fuel and emissions parameters on domestic routes in Turkey
Turgut, Enis Turhan; Cavcar, Mustafa; Usanmaz, Öznur; Yay, Ozan Devrim; Döğeroğlu, Tuncay; Armutlu, Kadir (Pergamon-Elsevier Science LTD, 2017)Operational landing and takeoff standards developed by the International Civil Aviation Organization (ICAO) in the 1970s, have been widely-used in fuel consumption and emissions models or inventory studies. However, these ... -
Kütahya bölgesinde hava kalitesi izleme istasyonları için yer seçimi ve istasyonlarda ölçülen kirleticilerin zamansal değişimleri
Hacıoğlu, Halil İbrahim (Anadolu Üniversitesi, 2015)Bu çalışma kapsamında, Kütahya bölgesinin hava kalitesinin değerlendirilmesine ilişkin olarak, bir yıl boyunca işletilmek üzere, bir kentsel ve bir de kırsal istasyon olmak üzere iki sabit hava kalitesi ölçüm istasyonu ... -
Multivariate statistics to investigate metal contamination in surface soil
Yay, Ozan Devrim; Alagha, Omar; Tuncel, Gürdal (Academic Press LTD- Elsevier Science LTD, 2008)The modification of soil composition in the urbanized area of Ankara due to wet-dry deposition and pollution-derived particles from the atmosphere is investigated by analyzing 120 surface soil samples, collected from the ... -
A New Approach for Site Selection of Air Quality Monitoring Stations: Multi-Criteria Decision-Making
Hacıoğlu, Halil İbrahim; Arı, Akif; Özkan, Aysun; Elbir, Tolga; Tuncel, Gurdal; Yay, Ozan Devrim; Gaga, Eftade Emine (Taiwan Assoc Aerosol Res-Taar, 2016)The main objective of this study was to choose appropriate locations for two air quality monitoring stations in an urban area in Turkey by using specific decision-making techniques. For this purpose, five different potential ... -
Test cell emission measurements of commercial aircraft engine: CFM56-7B26
Turgut, Enis Turhan; Cavcar, Mustafa; Yay, Ozan Devrim; Yılmaz, Elif; Ucarsu, M.; Armutlu, K. (American Institute of Aeronautics and Astronautics Inc., 2014)In this study, the results of a test cell emission measurement campaign for overhauled CFM56-7B26 series engines are presented. The emissions are measured for specific power settings representing the main operating modes ... -
Yolcu uçağı motorları için emisyon indisi geliştirilmesi ve gerçek uçuş koşullarında emisyonların belirlenmesi
Yılmaz, Elif (Anadolu Üniversitesi, 2016)Bu çalışma kapsamında, Mayıs 2013 ile Mayıs 2014 tarihleri arasında, yolcu uçaklarının CFM56-7B ve CFM56-3B serisi dört motor tipi ve 14 farklı turbofan motorunda 25 tam test-cell emisyon testi gerçekleştirilmiştir. İstanbul ...
