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Browsing Fakülteler / Faculties by Author "Coşkun, Gökhan"

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An experimental and modeling study to investigate effects of different injection parameters on a direct injection HCCI combustion fueled with ethanol–gasoline fuel blends

Coşkun, Gökhan (2018)
AN EXPERIMENTAL AND MODELING STUDY TO INVESTIGATE EFFECTS OF TWO-STAGE DIRECT INJECTION VARIATIONS ON HCCI COMBUSTION

Ali Turkcan; Ahmet Necati Ozsezen; Mustafa Canakci; Coşkun, Gökhan; Soyhan, Hakan Serhad; Usame Demir (TAYLOR & FRANCIS INC, 2015)

In this study, homogenous charge compression ignition (HCCI) combustion with two-stage direct injection (TSDI) strategies was modeled with stochastic reactor model (SRM) and validated by using the experimental results of ...
An Experimental and Modeling Study to Investigate Effects of Two-Stage Direct Injection Variations on HCCI Combustion

Coşkun, Gökhan (2015)
Analysis of a priority flow control valve with hydraulic system simulation model

Coşkun, Gökhan; Turgay Kolcuoglu; Taner Dogramaci; Anil Can Turkmen; Cenk Celik; Soyhan, Hakan Serhad (SPRINGER HEIDELBERG, 2017)

Mobile direction control valves are hydraulic system components which transfer the hydraulic oil to the accelerator to control the system. These components are mostly used in tractors, forklifts, and backhoe loaders. Forward ...
Analysis of an HCCI engine combustion using toluene reference fuel for different equivalence ratios - Comparison of experimental results with CFD and SRM simulations

Coşkun, Gökhan; Yusuf Delil; Usame Demir (ELSEVIER SCI LTD, 2019)

In this study; performance of 0-D and Computational Fluid Dynamics (CFD) software with two different chemical mechanisms are investigated in an HCCI engine using toluene reference fuel (79% toluene and 21% n-heptane). For ...
Analysis of in-cylinder H2O2 and HO2 distributions in an HCCI engine - Comparison of laser-diagnostic results with CFD and SRM simulations

Coşkun, Gökhan; Malin Jonsson; Joakim Bood; Martin Tuner; Martin Algotsson; Bo Li; Zhongshan Li; Soyhan, Hakan Serhad; Marcus Alden; Bengt Johansson (ELSEVIER SCIENCE INC, 2015)

By applying a novel approach to evaluate photofragmentation laser-induced fluorescence (PFLIF) imaging, experimental quantitative information on the temporal in-cylinder distribution of hydrogen peroxide (H2O2) in a ...
CFD modeling of carbon combustion and electrode radiation in an electric arc furnace

Yiğit, Cemil; Coşkun, Gökhan; Büyükkaya, Ekrem; Durmaz, Ufuk; Güven, Hasan Rıza (PERGAMON-ELSEVIER SCIENCE LTD, 2015)

This paper, concentrates on a three-dimensional (3D) computational fluid-dynamics (CFD) model for coal combustion and electrode radiation inside an electric-arc furnace (EAF). Simulation of the melting process includes ...
Computational investigation of combustion and emission characteristics of toluene reference fuel (TRF) mixtures in an HCCI engine using stochastic reactor model

Coşkun, Gökhan; Usame Demir; Yılmaz, Neslihan; Soyhan, Hakan Serhad (SPRINGER HEIDELBERG, 2017)

In this study, a homogeneous charge compression ignition (HCCI) engine was fueled with primary reference fuel (PRF) and toluene mixture using a zero-dimensional simulation code called stochastic reactor model (SRM) for ...
Evaluation of zero dimensional codes in simulating IC engines using primary reference fuel

Demir, Ümmühan; Nadir Yilmaz; Coşkun, Gökhan; Hakan S. Soyhan (PERGAMON-ELSEVIER SCIENCE LTD, 2015)

In this work, experimental results from a homogenous charge compression ignition (HCCI) engine fueled with PRF-85 (85% iso-octane and 15% n-heptane) were used to compare performances of combustion codes for zero dimensional ...
Influences of second injection variations on combustion and emissions of an HCCI-DI engine: Experiments and CFD modelling

Coşkun, Gökhan; Soyhan, Hakan Serhad; Demir, Üsame (2014)
Investigation of Performance of 0-D Internal Combustion Engine Simulation Codes Based on Detailed and Reduced Chemical Kinetic Mechanisms

Coşkun, Gökhan (2016)
Numerical and experimental investigations of the effects of the second injection timing and alcohol-gasoline fuel blends on combustion and emissions of an HCCI-DI engine

Coşkun, Gökhan (2018)
Numerical and experimental investigations of the effects of the second injection timing and alcohol-gasoline fuel blends on combustion and emissions of an HCCI-DI engine

Ali Turkcan; Mustafa Deniz Altinkurt; Coşkun, Gökhan; Mustafa Canakci (ELSEVIER SCI LTD, 2018)

In this study, experimental and numerical investigations of a homogeneous charge compression ignition (HCCI) combustion engine were performed using alcohol-gasoline fuel blends and two-stage direct injection (TSDI) strategy. ...