Yayınlar & Eserler

Yayın Ağı
SCI, SSCI ve AHCI İndekslerine Giren Dergilerde Yayınlanan Makaleler

The effect of TiO2 nanoadditive on emissions, exergetic performance, and enviro/social/economic indicators in a small UAV jet engine fuelled with kerosene

DEMİR Ü., Gülcan H. E., Özer S.
Fuel , cilt.390, 2025 (SCI-Expanded) identifier

The effect of adding green synthesized and commercial silver nanoparticles to biodiesel on diesel engine performance and emissions

DEMİR Ü., KESKİN M., Özer S., Coskun G.
Case Studies in Thermal Engineering , cilt.67, 2025 (SCI-Expanded) identifier

Thermodynamic, thermoeconomic, and exergoeconomic analysis of a UAV two stroke engine fueled with gasoline-octanol and gasoline-hexanol blends

Özer S., Tunçer E., DEMİR Ü., Gülcan H. E.
Energy Conversion and Management , cilt.327, 2025 (SCI-Expanded) identifier

Investigation of the performance and emission effects of ammonia-borane as a B–N-based amine-borane adduct in gasoline engines

Yakın A., Gülcan M., Çelebi S., DEMİR Ü., Yilmaz E.
International Journal of Hydrogen Energy , cilt.87, ss.1129-1139, 2024 (SCI-Expanded) identifier

Bio-based solutions for diesel engines: Investigating the effects of propolis additive and ethanol on performance and emissions

Koçyiğit S., Özer S., Çelebi S., DEMİR Ü.
Thermal Science and Engineering Progress , cilt.48, 2024 (SCI-Expanded) identifier

Experimental investigation of the effect of fuel oil, graphene and HHO gas addition to diesel fuel on engine performance and exhaust emissions in a diesel engine

DEMİR Ü., Çelebi S., Özer S.
International Journal of Hydrogen Energy , cilt.52, ss.1434-1446, 2024 (SCI-Expanded) identifier

Investigation effects of different calorific values and operating conditions on biogas flame: a CFD study

Cellek M. S., DEMİR Ü., Coskun G.
Energy Sources, Part A: Recovery, Utilization and Environmental Effects , cilt.46, sa.1, ss.8171-8189, 2024 (SCI-Expanded) identifier

Energy, exergy, exergoenvironmental, and exergoenviroeconomic assessment of a two stroke UAV small engine using JP5 aviation fuel and hydroxy (HHO) gas

Özer S., Tunçer E., DEMİR Ü., Gülcan H., Çelebi S.
International Journal of Hydrogen Energy , 2024 (SCI-Expanded) identifier

Assessment of waste tyre pyrolysis oil and oxy-hydrogen gas usage in a diesel engine in terms of energy, exergy, environmental, and enviroeconomic perspectives

Özer S., Gülcan H. E., Çelebi S., DEMİR Ü.
International Journal of Hydrogen Energy , 2024 (SCI-Expanded) identifier

Experimental investigation of the effects of coolant temperature in a turbocharged stratified injection (TSI) engine fuelled with gasoline and liquefied petroleum gas

Özer S., DEMİR Ü., Coskun G.
Fuel , cilt.343, 2023 (SCI-Expanded) identifier

The impact of turbulence and combustion models on flames and emissions in a low swirl burner

Cellek M. S., PINARBAŞI A., Coskun G., DEMİR Ü.
Fuel , cilt.343, 2023 (SCI-Expanded) identifier

Effect of using borax decahydrate as nanomaterials additive diesel fuel on diesel engine performance and emissions

Özer S., DEMİR Ü., Koçyiğit S.
Energy , cilt.266, 2023 (SCI-Expanded) identifier

Optimizing the effect of a mixture of light naphtha, diesel and gasoline fuels on engine performance and emission values on an HCCI engine

Çelebi S., Kocakulak T., DEMİR Ü., Ergen G., Yilmaz E.
Applied Energy , cilt.330, 2023 (SCI-Expanded) identifier

Experimental investigation of the effect of urea addition to fuel on engine performance and emissions in diesel engines

DEMİR Ü., Kozan A., Özer S.
Fuel , cilt.311, 2022 (SCI-Expanded) Sürdürülebilir Kalkınma identifier

Effects of variable valve timing on the air flow parameters in an electromechanical valve mechanism – A cfd study

DEMİR Ü., Coskun G., Soyhan H. S., TÜRKCAN A., ALPTEKİN E., ÇANAKCI M.
Fuel , cilt.308, 2022 (SCI-Expanded) identifier

Investigation of the Smoke Ventilation and Evacuation Strategies to Decrease Smoke Poisoning Risk by Coupling Fire and Evacuation Simulations

Coskun G., DEMİR Ü., Soyhan H.
Journal of Applied Fluid Mechanics , cilt.15, sa.3, ss.659-671, 2022 (SCI-Expanded) identifier

Effects of light naphtha utilization on engine performance in an homogeneous charged compression ignition engine

Çelebi S., Duzcan B., DEMİR Ü., Uyumaz A., Haşimoglu C.
Fuel , cilt.306, 2021 (SCI-Expanded) identifier

Biosynthesis of silver nanoparticles and their applications in harvesting sunlight for solar thermal generation

Talabani R. F., Hamad S. M., Barzinjy A. A., DEMİR Ü.
Nanomaterials , cilt.11, sa.9, 2021 (SCI-Expanded) identifier identifier

Analysis of an HCCI engine combustion using toluene reference fuel for different equivalence ratios – Comparison of experimental results with CFD and SRM simulations

Coskun G., Delil Y., DEMİR Ü.
Fuel , cilt.247, ss.217-227, 2019 (SCI-Expanded) identifier

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

Coskun G., DEMİR Ü., Soyhan H. S., TÜRKCAN A., ÖZSEZEN A. N., ÇANAKCI M.
Fuel , cilt.215, ss.879-891, 2018 (SCI-Expanded) identifier

Experimental and Stochastic Reactor Modeling Results of an HCCI Engine Fueled with Primary Reference Fuel

Yasar H., Usta E., DEMİR Ü.
Energy and Fuels , cilt.32, sa.2, ss.2497-2505, 2018 (SCI-Expanded) identifier

Computational investigation of combustion and emission characteristics of toluene reference fuel (TRF) mixtures in an HCCI engine using stochastic reactor model

Coskun G., DEMİR Ü., Yilmaz N., Soyhan H. S.
Journal of the Brazilian Society of Mechanical Sciences and Engineering , cilt.39, sa.8, ss.2935-2943, 2017 (SCI-Expanded) identifier

Investigation of performance of 0-D internal combustion engine simulation codes based on detailed and reduced chemical kinetic mechanisms

Coskun G., DEMİR Ü., Yilmaz N., Soyhan H. S.
International Journal of Vehicle Design , cilt.71, sa.1, ss.377-388, 2016 (SCI-Expanded) identifier

Evaluation of zero dimensional codes in simulating IC engines using primary reference fuel

DEMİR Ü., Yilmaz N., Coskun G., Soyhan H. S.
Applied Thermal Engineering , cilt.76, ss.18-24, 2015 (SCI-Expanded) identifier

An experimental and modeling study to investigate effects of two-stage direct injection variations on HCCI combustion

TÜRKCAN A., ÖZSEZEN A. N., ÇANAKCI M., Coskun G., Soyhan H. S., DEMİR Ü.
Combustion Science and Technology , cilt.187, sa.4, ss.642-658, 2015 (SCI-Expanded) identifier

Influences of second injection variations on combustion and emissions of an HCCI-DI engine: Experiments and CFD modelling

Coskun G., Soyhan H. S., DEMİR Ü., TÜRKCAN A., ÖZSEZEN A. N., ÇANAKCI M.
Fuel , cilt.136, ss.287-294, 2014 (SCI-Expanded) identifier
Diğer Dergilerde Yayınlanan Makaleler

Investigation of a standard gate valve in terms of flow rate, opening distance and wedge angle with CFD

ENEKÇİ S., DEMİR Ü., YILMAZ K.
Journal of Thermal Engineering , cilt.10, sa.5, ss.1306-1322, 2024 (ESCI) identifier

Evaluating Engine Performance, Emissions, Noise, and Vibration: A Comparative Study of Diesel and Biodiesel Fuel Mixture

İnce M., ÇELEBİ S., DEMİR Ü., HAŞİMOĞLU C.
International Journal of Automotive Science and Technology , cilt.8, sa.3, ss.288-302, 2024 (Hakemli Dergi)

Unburnt carbon estimation through flame image and gauss process regression

GOLGİYAZ S., DEMİR Ü., CELLEK M. S., DAŞKIN M., TALU M. F., ONAT C.
Advances in Materials and Processing Technologies , cilt.10, sa.2, ss.903-922, 2024 (ESCI) identifier

Experimental Investigation of the Effect of Nitromethane Addition to Gasoline Fuel on A Single-Cylinder Spark-Ignition Engine Performance and Emissions

SAMET Ç., DEMİR Ü., ERGEN G.
International Journal of Automotive Science and Technology , cilt.6, sa.3, ss.226-232, 2022 (Hakemli Dergi) Creative Commons License identifier

Experimental Investigation of Intake Manifold Design Effect on Diesel Engine Performance

DEMİR Ü., Çetinkaya O., Türkmen A. C., ÇELİK C.
International Journal of Automotive Science and Technology , cilt.6, sa.2, ss.127-134, 2022 (Hakemli Dergi) identifier

Investigation of the Biogas Potential of Bingöl Province from Animal Waste

DEMİR Ü., ÇULUN P.
Türk Doğa ve Fen Dergisi , cilt.11, sa.1, ss.36-42, 2022 (Hakemli Dergi) identifier

Atriumlu Binalarda Duman Emiş Fanı Seçiminin Hesaplamalı Akışkanlar Dinamiği Yöntemi İle Belirlenmesi

COŞKUN G., DEMİR Ü.
ACADEMIC PLATFORM-JOURNAL OF ENGINEERING AND SCIENCE , cilt.6, sa.3, ss.138-144, 2018 (Hakemli Dergi)

THE EFFECT OF DIFFERENT INTAKE MANIFOLD GEOMETRIESON SINGLE-CYLINDER DIESEL ENGINE SOOT FORMATION ANDPERFORMANCE

DEMİR Ü., Çetinkaya O., Türkmen A. C., ÇELİK C.
International Journal of Mechanical and Production Engineering (IJMPE) , cilt.6, sa.5, ss.30-34, 2018 (Hakemli Dergi)

SAKARYA ÜNİVERSİTESİ M-7 BİNASI İÇİN YANGIN SİMÜLASYONU VE DUMAN TAHLİYE STRATEJİLERİNİN İNCELENMESİ

COŞKUN G., DEMİR Ü., SOYHAN H. S.
SAKARYA UNIVERSITY JOURNAL OF SCIENCE , cilt.22, sa.2, 2018 (Hakemli Dergi) identifier

Sıfır ve üç boyutlu yanma simulasyonu yazılımlarının HCCI motorunun yüksek havafazlalık oranı için modellenmesindeki performanslarının incelenmesi

COŞKUN G., DEMİR Ü.
SAKARYA UNIVERSITY JOURNAL OF SCIENCE , cilt.21, sa.5, ss.750-758, 2017 (Hakemli Dergi) identifier

Bir HCCI motorun 0 boyutlu yanma analizi

DEMİR Ü., göbeloğlu ö. m., SOYHAN H. S., BÜYÜKKAYA E.
SAKARYA UNIVERSITY JOURNAL OF SCIENCE , cilt.19, sa.2, ss.203-211, 2015 (Hakemli Dergi)

A SOLAR CAB BY WORKING SOLAR ENERGY

KEMAL ONUR İ., DEMİR Ü., TAYMAZ İ., UÇAR V.
INTERNATIONAL SCIENTIFIC JOURNAL OF MACHINES, TECHNOLOGIES, MATERIALS , cilt.7, sa.8, ss.54-56, 2013 (Hakemli Dergi)

EXAMINATION OF THE FRACTURE S EFFECTS ON ENGINES KNOCKING

KEMAL ONUR İ., DEMİR Ü., TAYMAZ İ., UÇAR V.
INTERNATIONAL SCIENTIFIC JOURNAL OF MACHINES, TECHNOLOGIES, MATERIALS , cilt.5, ss.42-46, 2012 (Hakemli Dergi)
Hakemli Bilimsel Toplantılarda Yayımlanmış Bildiriler

INVESTIGATION OF PERFORMANCE AND EMISSIONS OF FUEL BLENDS FORMED BY MIXING JP8, JET A1, AND NITROMETHANE WITH GASOLINE USING A PISTON ENGINE

İLGAR KILIÇALP M., DEMİR Ü.
9th International Azerbaijan Congress on Life, Engineering, Mathematical, and Applied Sciences, Baku, Azerbaycan, 22 Aralık 2024, ss.1145-1159, (Tam Metin Bildiri)

Yerden Isıtma Sisteminde Kullanılan Oksijen Bariyerli Boruların Isıtmaya Etkisi

Çömlekçi K., DEMİR Ü., ELİTAŞ M.
4th International Conference on Frontiers in Academic Research ICFAR 202, Konya, Türkiye, 12 - 14 Aralık 2024, ss.778-782, (Tam Metin Bildiri)

3RD INTERNATIONAL PALESTRA SCIENTIFIC RESEARCH CONGRESS PROCEEDINGS BOOK

ÇELEBİ S., DEMİR Ü.
3RD INTERNATIONAL PALESTRA SCIENTIFIC RESEARCH CONGRESS, ÜSKÜP, Makedonya, 25 - 26 Ekim 2024, ss.44-53, (Tam Metin Bildiri)

EFFECT OF METHANOL, TOLUENE AND NITROMETHANE ADDITION TO GASOLINE ON ENGINE NOISE AND VIBRATION IN A GASOLINE ENGINE

ÇELEBİ S., DEMİR Ü.
13. Uluslararası İstanbul Bilimsel Araştırmalar Kongresi, İstanbul, Türkiye, 1 - 03 Ekim 2024, ss.608-635, (Tam Metin Bildiri)

EFFECT OF USE OF ETHYL ACETATE AS SECOND FUEL IN A DUAL FUEL DIESEL ENGINE ON ENGINE NOISE AND VIBRATION

ÇELEBİ S., DEMİR Ü.
4thInternational Natural Science, Engineering and Material Technologies Conference, Kırklareli, Türkiye, 12 - 14 Eylül 2024, ss.0-47, (Özet Bildiri)

Experimental studies and Comprehensive Analysis of Energy, Exergy, Environmental, and Enviroeconomic Aspects of Diesel Fuel, Waste Tyre Pyrolitic Oil, and Oxy-Hydrogen Gas Mixture Used For Diesel Engine

ÖZER S., GÜLCAN H. E., ÇELEBİ S., DEMİR Ü.
Eighth International Hydrogen Technologies Congress (IHTEC 2024), Diyarbakır, Türkiye, 12 - 15 Mayıs 2024, ss.155-158, (Tam Metin Bildiri)

Assessment of geothermal energy potential in the world and in Turkey with mathematical prediction models

BOLAT M., DEMİR Ü.
11th INTERNATIONAL EURASIAN CONFERENCE ON MATHEMATICAL SCIENCES AND APPLICATIONS, İstanbul, Türkiye, 29 Ağustos - 01 Eylül 2022, (Özet Bildiri)

EFFECTS OF EXCESS AIR AND OXYGEN ENRICHMENT ON SOOTING FLAMES OF BIOGAS

CELLEK M. S., DEMİR Ü.
16th International Combustion Symposium (INCOS2022), Aydın, Türkiye, 8 - 10 Eylül 2022, (Tam Metin Bildiri)

HOMOJEN DOLGULU SIKIŞTIRMA ATEŞLEMELİ BİR MOTORDA HAFİF NAFTA-BENZİN KARIŞIMI KULLANIMININ MOTOR PERFORMANSI VE EMİSYONLARINA ETKİSİ

ÇELEBİ S., DEMİR Ü., HAŞİMOĞLU C.
16th International Combustion Symposium (INCOS2022), Aydın, Türkiye, 8 - 10 Eylül 2022, (Tam Metin Bildiri)

Analysis of an HCCI Engine Combustion Using Toluene Reference Fuel for Different Equivalence Ratios – Comparison of Experimental Results with CFD and SRM Simulations

COŞKUN G., DEMİR Ü., SOYHAN H. S.
14 th International Conference of Combustion, Karabük, Türkiye, 25 - 27 Nisan 2018, cilt.1, ss.338-345, (Tam Metin Bildiri)

Modellıng Of The Effect Of Electromechanıc Valve Mechanısm On Aır Flow Parameters In A Spark Ignıtıon Engıne

DEMİR Ü., AYGÜL V., COŞKUN G., SOYHAN H. S., TÜRKCAN A., ALPTEKİN E., et al.
8th International Advanced Technologies Symposium (IATS’17), Elazığ, Türkiye, 19 - 22 Ekim 2017, ss.3543-3552, (Tam Metin Bildiri)

TEK SİLİNDİRLİ BUJİ ATEŞLEMELİ BİR MOTORUN SİLİNDİR İÇİ HAVA AKIŞ PARAMETRELERİNİN İNCELENMESİ

DEMİR Ü., AYGÜL V., COŞKUN G., SOYHAN H. S., TÜRKCAN A., ALPTEKİN E., et al.
5th International Symposium on Innovative Technologies in Engineering and Science, Baku, Azerbaycan, 29 - 30 Eylül 2017, ss.1520-1529, (Tam Metin Bildiri)

Effects of Using Methanol-Gasoline Fuel Blends with DifferentInjection Strategies in an HCCI engine: Comparison of experimental results with CFD Simulation

COŞKUN G., ALTINKURT M. D., TÜRKCAN A., DEMİR Ü.
AVL International Simulation Conference, Graz, Avusturya, 27 - 29 Haziran 2017, (Tam Metin Bildiri)

Investigation of air flow simulation for a single cylinderspark ignition engine

DEMİR Ü., COŞKUN G., SOYHAN H. S.
6 th International Conference on Renewable Fuels Combustion and Fire, Nevşehir, Türkiye, 18 - 21 Mayıs 2017, ss.320, (Özet Bildiri)

Atrium binalarda duman emiş fanı seçiminin hesaplamalıakışkanlar dinamiği yöntemi ile belirlenmesi

COŞKUN G., yüzücü i., DEMİR Ü., SOYHAN H. S.
6 th International Conference on Renewable Fuels Combustion and Fire, Nevşehir, Türkiye, 18 - 21 Mayıs 2017, ss.314, (Özet Bildiri)

Investigation of Performance Combustion Simulation Software for Modelling HCCI Engine

DEMİR Ü., SOYHAN H. S.
4th International Symposium on Innovative Technologies inEngineering and Science, Antalya, Türkiye, 3 - 05 Kasım 2016, ss.843-852, (Tam Metin Bildiri)

COMBUSTION CHARACTERISTICS OF TRFMIXTURES IN A MODERN DIESEL ENGINE

COŞKUN G., DEMİR Ü., YILMAZ N., SOYHAN H. S.
1th INTERNATIONAL CONFERENCE ON ADVANCES INAUTOMOTIVE TECHNOLOGIES, İstanbul, Türkiye, 11 - 14 Ekim 2016, ss.93-98, (Tam Metin Bildiri)

Hydraulic Control Valve Design for Transmission Control on Tractor

KOLCUOĞLU T., SOYHAN H. S., DEMİR Ü.
9th International Conferenceon Sustainable Energy Environmental Protection, Kayseri, Türkiye, 22 - 25 Eylül 2016, ss.259-265, (Tam Metin Bildiri)

EFFECT OF VRV SYSTEMS USAGE INSTEAD OF CONVENTIONAL SYSTEMS USAGE ON ENERGY EFFICIENY IN A TOURISM ESTABLISHMENT

Sevinç Y., DEMİR Ü., SOYHAN H. S., COŞKUN G., Soyhan G., GÜNGÖR A.
I. Uluslararası Turizm ve Mikrobiyal Gıda Güvenliği Kongresi, Antalya, Türkiye, 21 - 24 Nisan 2016, (Özet Bildiri)

COMPUTATIONAL INVESTIGATION OF COMBUSTION AND EMISSION CHARACTERISTICS OF TOLUENE REFERENCE FUEL TRF MIXTURES IN AN HCCI ENGINE USING STOCHASTIC REACTOR MODEL

COŞKUN G., DEMİR Ü., SOYHAN H. S.
5th INTERNATIONAL FUELS, COMBUSTION AND FIRE CONFERENCE IN ENGINEERING (FCE16), İstanbul, Türkiye, 18 - 20 Ocak 2016, (Özet Bildiri)

PERFORMANCE OF 0 D AND 3 D COMBUSTION SIMULATION SOFTWARE FOR HCCI ENGINE WITH DIFFERENT FUEL AND AIR EXCESS RATIO

DEMİR Ü., COŞKUN G., SOYHAN H. S.
5th INTERNATIONAL FUELS, COMBUSTION AND FIRE CONFERENCE IN ENGINEERING (FCE16), İstanbul, Türkiye, 18 - 20 Ocak 2016, (Özet Bildiri)

İki zamanlı motorlarda emme ve egzoz stroğunun akış analizi

EDİP Y., COŞKUN G., DEMİR Ü., DEMİRTAŞ V., SOYHAN H. S.
13. Uluslararası Yanma Sempozyumu, Bursa, Türkiye, 9 - 10 Eylül 2015, (Tam Metin Bildiri)

Hava fazlalık katsayısının değişiminin HCCI bir motorda performans ve egzoz emisyonlarına etkisinin incelenmesi

USTA E., DEMİR Ü., YAŞAR H.
13. ULUSLARARASI YANMA SEMPOZYUMU, Bursa, Türkiye, 9 - 10 Eylül 2015, (Tam Metin Bildiri)

MODELING OF IN CYLINDER GAS MOTIONS IN INTERNAL COMBUSTION ENGINES WITH CFD

DEMİRTAŞ V., BAYRAKÇEKEN H., ALBAYRAK ÇEPER B., SOYHAN H. S., ÇELİK C., COŞKUN G., et al.
20. ULUSAL ISI BİLİMİ ve TEKNİĞİ KONGRESİ, Balıkesir, Türkiye, 2 - 05 Eylül 2015, (Tam Metin Bildiri)

Investigation Performance Of 0 D Internal Combustion Engine Simulation Softwares With Detailed And Reduced Chemical Kinetic Mechanisms

DEMİR Ü., YILMAZ N., COŞKUN G., SOYHAN H. S.
7.Otomotiv Teknolojileri Kongresi, Bursa, Türkiye, 26 - 27 Mayıs 2014, (Tam Metin Bildiri)

Simulating an HCCI DI engine combustion by CFD

COŞKUN G., DEMİR Ü., SOYHAN H. S.
4th Saudi Arabian Section of the Combustion Institute (SAS-CI) Annual Meeting, Thuwal, Suudi Arabistan, 29 - 30 Nisan 2014, (Özet Bildiri)

Simulating Combustion in an HCCI Engine by Using Zero Dimensional Stochastic Reactor Model

DEMİR Ü., COŞKUN G., SOYHAN H. S.
European Combustion Meeting 2013, Lund, İsveç, 25 - 28 Haziran 2013, (Tam Metin Bildiri)

Analysis of Combustion in HCCI Engines

COŞKUN G., SOYHAN H. S., DEMİR Ü., BÜYÜKKAYA E., HALICI F.
34. International Symposium on Combustion, Warszawa, Polonya, 29 Temmuz - 03 Ağustos 2012, (Tam Metin Bildiri)