Güncel Gönderiler: Fakülteler
Toplam kayıt 1298, listelenen: 1241-1260
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Thermodynamic, performance and emission investigation of a diesel engine running on dimethyl ether and diethyl ether
(Elsevier France-Editions Scientifiques Medicales Elsevier, 2011)This study investigates the use of dimethyl ether and diethyl ether in diesel engines as alternative fuels. A direct injection diesel engine was simulated via a thermodynamic cycle model for investigation. Thermodynamic ... -
Yoğun Harmonikli Bir Elektrik Dağıtım Şebekesinin Modellenmesi
(2011)Bu çalışmada, elektrik dağıtım şebekelerinde her geçen gün büyüyen bir problem olarak karşımıza çıkan harmoniklerin seviyelerinin incelenebilmesi için örnek bir dağıtım şebekesinin farklı noktalarında ölçümler yapılmıştır. ... -
Effective atomic numbers and electron densities of CuGaSe2 semiconductor in the energy range 6-511 keV
(JOHN WILEY & SONS LTD, THE ATRIUM, SOUTHERN GATE, CHICHESTER PO19 8SQ, W SUSSEX, ENGLAND, 2008-09)The effective atomic numbers and electron densities of the CuGaSe2 semiconductor were calculated at 29 different energies from 6.9 to 511.0 keV by using the measured mass attenuation coefficients. Also, the mass attenuation ... -
Konya 2-3. Organize Sanayi Bölgesi Elektrik Dağıtım Şebekesindeki Harmonik Seviyelerinin İncelenmesi
(2009)Bu çalışmada, Konya 2. ve 3. Organize Sanayi Bölgesinin AG-OG elektrik dağıtım sistemindeki harmonik kaynakları incelenmiştir. Bu dağıtım şebekesinin farklı noktalarında ölçümler yapılmıştır. Yapılan ölçümler sonucunda ... -
Theoretical analysis the use of dimethyl ether and diethyl ether in a diesel engine
(Sila Science, 2011)In this study, the use of dimethyl ether (DME) and diethyl ether (DEE) in diesel engines as alternative fuels investigated. A commercial suction (naturally-aspirated) direct injection (SDI) automobile diesel engine was ... -
Transformatör Bağlantı Gruplarının Elektrik Dağıtım Şebekelerindeki Harmoniklere Etkilerinin İncelenmesi
(2011)In this paper, effects of transformer connection types to harmonics on electrical distribution systems were analyzed according to the simulation results. The simulation was prepared by using Simpowersystems toolbox of ... -
137Cs and 40K activity concentration measurements and elemental analysis in lichen samples collected from the Giresun province of northeastern Turkey
(TAYLOR & FRANCIS LTD, 4 PARK SQUARE, MILTON PARK, ABINGDON OX14 4RN, OXON, ENGLAND, 2008-09-01)About 21 years after the Chernobyl accident, (137)Cs and (40)K activity concentration measurements using gamma-ray spectroscopy and elemental analysis using energy dispersive X-ray spectroscopy were performed in five ... -
Investigation of the Effect of Dual Ignition on the Exhaust Emissions of an SI Engine Operating on Different Conditions by Using Quasi-dimensional Thermodynamic Cycle Model
(Strojarstvo (Croatian Union of Mechanical Engineers and Naval Architects), 2009)In the presented study, the effects of using dual-spark plug and variation of the spark plug location on the exhaust emissions of an SI engine operating in different conditions were investigated theoretically. A quasi-dimensional ... -
Genetic Algorithm in Electrical Transmission Lines Path Finding Problems
(IEEE, 2013)Today, Geographic Information Systems (GIS) solutions have entered every corner of the engineering studies like Electrical Transmission Lines (ETL) route optimization, vehicle routing, power plant siting and so on. ... -
Simulation of a large electric distribution system having intensive harmonics in the industrial zone of Konya
(2013)In this study, measurements were taken at di?erent points of a sample distribution system in order to analyze the levels of harmonics that appear as a day-to-day increasing problem in electrical distribution systems. ... -
Effects of the Stroke Bore Ratio on the Performance Parameters of a Dual-Spark-Ignition (DSI) Engine
(Energy & Fuels (ACS Publishers), 2009)In this study, the effects of the stroke/bore (S/B) ratio on the performance parameters of an engine having dual-spark ignition (DSI) were investigated theoretically by using a quasi-dimensional thermodynamic cycle model. ... -
Exergetic Analysis of Using Oxygenated Fuels in Spark-Ignition (SI) Engines
(Energy & Fuels (ACS Publications), 2009)In this study, the use of the oxygenated fuels in spark-ignition (SI) engines has been investigated by means of exergy analysis. For this purpose, a two-zone quasi-dimensional thermodynamic cycle model was used. The cycle ... -
Mathematical analysis of spark ignition engine via the combination of the first and second laws of thermodynamics
(Proceedings of Royal Society A-Mathematical Physical & Engineering Sciences (Royal Society Publishing), 2008)This study aims at the theoretical exergetic evaluation of spark ignition engine operation. For this purpose, a two-zone quasi-dimensional cycle model was installed, not considering the complex calculation of fluid motions. ... -
Suggestion of New Formulations for Schmidt Hammer and UPV Test Methods for Concrete
(Polish Acad Sciences Inst Physics, 2014)The concrete is the most widely used building material in Turkey. Especially reinforced concrete dominates at building sector. Because of concrete is an non-homogeneous and non-isotropic material, the strength of concrete ... -
A study on the effects of high temperature on mechanical properties of fiber reinforced cementitious composites
(Elsevier Sci Ltd, 2012)The flexural strength and ductility properties of cementitious composites (mortar) under high temperature may be significantly improved by incorporating different types of fibers. In this study, four different types of ... -
The effects of high temperature on mechanical properties of cementitious composites reinforced with polymeric fibers
(Elsevier Sci Ltd, 2013)Polymeric fibers are cheap and popular materials used in the concrete industry, and they may improve the mechanical properties of cementitious composites under high temperature. In this study, three different types of ... -
Investigation of Freeze-Thaw Effects on Mechanical Properties of Fibre Reinforced Cement Mortars, (ISI), Volume 58, March 2014, Pages 463-472.
(Composites Part B: Engineering, 2014-03)Fibers are used for improving some properties of conventional concrete (which is a brittle material) such as tensile strength, abrasion resistance, absorption and crack control. This study investigates the usability of ... -
Effects of Methanol Addition to Gasoline on the Performance and Fuel Cost of a Spark Ignition Engine
(Energy & Fuels (ACS Publishers), 2008)This study is concerned with investigating experimentally the effects of methanol blending to base gasoline on the performance and fuel cost of a spark ignition (SI) engine. The fuel blends were prepared by blending 5, 10, ... -
Rock Slope Stability and Excavatability Assessment of Rocks at the Kapikaya Dam Site, Eastern Turkey
(Engineering Geology, 2008)This paper describes the results of the engineering geological investigations and bearing capacity studies carried out at the proposed site of the rock fill Atasu Dam, to be constructed on basalts and pyroclastics. Rock ... -
Exergy Analysis of SI Engines
(International Journal of Exergy (Inderscience Publishers), 2008)In this study, exergy (availability) analysis of a Spark Ignition (SI) engine has been performed theoretically during compression, combustion and expansion processes of the engine cycle. For this purpose, a thermodynamic-based ...
