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Hamit Solmaz Prof. Dr. Gazi University, Faculty of Technology, Automotive Engineering Department
Publication 24 Review 35 CrossRef Cited 162 TR Dizin Cited 31
24 Publication
35 Review
162 CrossRef Cited
31 TR Dizin Cited
0000-0003-0689-6824
46861418300

Research Fields

Energy Automotive Engineering Thermodynamics and Statistical Physics Internal Combustion Engines Mechanical Engineering Automotive Combustion and Fuel Engineering

Institution

Gazi University, Faculty of Technology, Automotive Engineering Department

Popular Publications

Determination of Lithium Ion Battery Characteristics for Hybrid Vehicle Models
Authors: Tolga Kocakulak , Hamit Solmaz
Published: 2020 , International Journal of Automotive Science And Technology
DOI: 10.30939/ijastech..723043
CITED 9 FAVORITE 1 TOTAL DOWNLOAD COUNT 2239

9

1

2239

Publications

Multi-Dimensional 3D-CFD/Chemical-Kinetics Modeling of Natural Gas–Diesel RCCI Engines: Combustion Phasing, Efficiency and Emissions
Authors: Kamran Poorghasemi, R. Khoshbakhti Saray, Hamit Solmaz , Seyed Mohammad Mousavi, Alborz Zehni
Published: 2026 , Engineering Perspective
DOI: 10.64808/engineeringperspective.1802746
FAVORITE 0 TOTAL DOWNLOAD COUNT 522

0

522

Fabrication and Characterization of Sulfonated Polysulfone Membrane with Different Thicknesses for Proton Exchange Membrane Fuel Cell
Authors: İrem Tanış, Turan Alp Arslan , Tolga Kocakulak , Gülşen Taşkın , Tuğba Tabanlıgil Calam , Hamit Solmaz
Published: 2024 , Engineering Perspective
DOI: 10.29228/eng.pers.77899
FAVORITE 0 TOTAL DOWNLOAD COUNT 441

0

441

Modeling and Control of a PEM Fuel Cell Hybrid Energy System Used in a Vehicle with Fuzzy Logic Method
Authors: Nurettin Mert Boyacıoğlu , Tolga Kocakulak , Mustafa Batar , Ahmet Uyumaz , Hamit Solmaz
Published: 2023 , International Journal of Automotive Science And Technology
DOI: 10.30939/ijastech..1340339
FAVORITE 0 TOTAL DOWNLOAD COUNT 1371

0

1371

Control and Optimization of Pre-Transmission Parallel Hybrid Vehicle with Fuzzy Logic Method and Comparison with Conventional Rule Based Control Strategy
Authors: Tolga Kocakulak , Hamit Solmaz , Fatih Şahin
Published: 2023 , Journal of Polytechnic
DOI: 10.2339/politeknik.932448
FAVORITE 0 TOTAL DOWNLOAD COUNT 2931

0

2931

Dizel-biyodizel karışımına karbon nanotüp katkısının motor performansı ve egzoz emisyonlarına etkisinin incelenmesi
Authors: Elif Sürer , Hamit Solmaz , Emre Yılmaz , Alper Calam , Duygu İpci
Published: 2022 , Gazi Üniversitesi Mühendislik Mimarlık Fakültesi Dergisi
DOI: 10.17341/gazimmfd.741177
FAVORITE 0 TOTAL DOWNLOAD COUNT 1431

0

1431

Numerical Study of the Effects of Lambda and Injection Timing on RCCI Combustion Mode
Authors: Serdar Halis , Hamit Solmaz , Seyfi Polat , H. Serdar Yücesu
Published: 2022 , International Journal of Automotive Science And Technology
DOI: 10.30939/ijastech..1105470
FAVORITE 0 TOTAL DOWNLOAD COUNT 1133

0

1133

Investigation of the Effects of Intake Manifold Pressure on Performance and Combustion Characteristics in an HCCI Engine
Authors: Hamit Solmaz , Alper Calam , Serdar Halis , Duygu İpci , Emre Yılmaz
Published: 2022 , Gazi Üniversitesi Mühendislik Mimarlık Fakültesi Dergisi
DOI: 10.17341/gazimmfd.602742
FAVORITE 0 TOTAL DOWNLOAD COUNT 2724

0

2724

Modeling of an Electric Bus Using MATLAB/Simulink and Determining Cost Saving for a Realistic City Bus Line Driving Cycle
Authors: Oğuzhan Karakaş, Umut Buğra Şeker, Hamit Solmaz
Published: 2021 , Engineering Perspective
DOI: 10.29228/eng.pers.51422
FAVORITE 0 TOTAL DOWNLOAD COUNT 567

0

567

Determination of Lithium Ion Battery Characteristics for Hybrid Vehicle Models
Authors: Tolga Kocakulak , Hamit Solmaz
Published: 2020 , International Journal of Automotive Science And Technology
DOI: 10.30939/ijastech..723043
FAVORITE 1 TOTAL DOWNLOAD COUNT 2239

1

2239

CONTROL OF COMBUSTION PHASE WITH DIRECT INJECTION TIMING FOR DIFFERENT INLET TEMPERATURES IN AN RCCI ENGINE
Authors: Hamit Solmaz , Duygu İpci
Published: 2020 , Journal of Thermal Science and Technology
DOI: 10.47480/isibted.817027
FAVORITE 0 TOTAL DOWNLOAD COUNT 2304

0

2304

Estimation of the COVIMEP Variation in a HCCI Engine
Authors: Seyfi Polat , Hamit Solmaz , Alper Calam , Emre Yılmaz
Published: 2020 , Journal of Polytechnic
DOI: 10.2339/politeknik.567865
FAVORITE 0 TOTAL DOWNLOAD COUNT 1827

0

1827

Control of pre and post transmission parallel hybrid vehicles with fuzzy logic method and comparison with other power systems
Authors: Tolga Kocakulak , Hamit Solmaz
Published: 2020 , Gazi Üniversitesi Mühendislik Mimarlık Fakültesi Dergisi
DOI: 10.17341/gazimmfd.709101
FAVORITE 0 TOTAL DOWNLOAD COUNT 2205

0

2205

MODELLING OF A SERIAL HYBRID VEHICLE WITH HCCI RANGE EXTENDER ENGINE ABSTRACT
Authors: Tolga Kocakulak , Hamit Solmaz
Published: 2020 , Gazi University Journal of Science Part C: Design and Technology
DOI: 10.29109/gujsc.670564
FAVORITE 0 TOTAL DOWNLOAD COUNT 2818

0

2818

Thermodynamic comparison of crank-drive and rhombic-drive mechanisms for a single cylinder spark ignition engine
Authors: Emre Yılmaz , Seyfi Polat , Hamit Solmaz , Fatih Aksoy , Can Çınar
Published: 2019 , Gazi Üniversitesi Mühendislik Mimarlık Fakültesi Dergisi
DOI: 10.17341/gazimmfd.492003
FAVORITE 0 TOTAL DOWNLOAD COUNT 2003

0

2003

An Experimental Investigation on The Effects of Waste Olive Oil Biodiesel on Combustion, Engine Performance and Exhaust Emissions
Authors: Ahmet Uyumaz , Fatih Aksoy , Fatih Akay, Şükrü Ayhan Baydır , Hamit Solmaz , Emre Yılmaz , Bilal Aydoğan , Alper Calam
Published: 2019 , International Journal of Automotive Engineering and Technologies
DOI: 10.18245/ijaet.578227
FAVORITE 0 TOTAL DOWNLOAD COUNT 1628

0

1628

Modeling of an Electric Vehicle with MATLAB/Simulink
Authors: Ahmet Onur Kıyaklı , Hamit Solmaz
Published: 2018 , International Journal of Automotive Science And Technology
DOI: 10.30939/ijastech..475477
FAVORITE 0 TOTAL DOWNLOAD COUNT 18190

0

18190

Emme Havası Giriş Sıcaklığı ve Ön Karışımlı Yakıt Oranının RCCI Yanma Karakteristiklerine ve Motor Performansına Etkileri
Authors: Ahmet Uyumaz , Hamit Solmaz
Published: 2017 , Journal of Polytechnic
DOI: 10.2339/politeknik.339401
FAVORITE 0 TOTAL DOWNLOAD COUNT 2166

0

2166

Developments in the Reduction Methods of Vehicle Exhaust Emissions
Authors: Ahmet Uyumaz , Fahrettin Boz, Emre Yılmaz , Hamit Solmaz , Seyfi Polat
Published: 2017 , The Journal of Graduate School of Natural and Applied Sciences of Mehmet Akif Ersoy University
DOI: -
FAVORITE 0 TOTAL DOWNLOAD COUNT 30386

0

30386

Experimental comparison of different injection timings in an HCCI engine fueled with n-heptane
Authors: Seyfi Polat , H. Serdar Yücesu , Kaushik Kannan, Ahmet Uyumaz , Hamit Solmaz , Mahdi Shahbakhthi
Published: 2017 , International Journal of Automotive Science And Technology
DOI: -
FAVORITE 0 TOTAL DOWNLOAD COUNT 1959

0

1959

RCCI BİR MOTORDA ENJEKSİYON ZAMANLAMASI VE LAMDANIN YANMA VE PERFORMANS KARAKTERİSTİKLERİ ÜZERİNDEKİ ETKİLERİNİN DENEYSEL İNCELENMESİ
Authors: Ahmet Uyumaz , Hamit Solmaz
Published: 2016 , Gazi University Journal of Science Part C: Design and Technology
DOI: -
FAVORITE 0 TOTAL DOWNLOAD COUNT 3061

0

3061

BETA TİPİ RHOMBİC HAREKET MEKANİZMALI BİR STİRLİNG MOTORUNUN TASARIMI VE PERFORMANS TESTLERİ
Authors: Fatih Aksoy , Halit Karabulut , Can Çınar , Hamit Solmaz , Yaşar Önder Özgören , Muhammed Arslan
Published: 2016 , Gazi Üniversitesi Mühendislik Mimarlık Fakültesi Dergisi
DOI: -
FAVORITE 0 TOTAL DOWNLOAD COUNT 3865

0

3865

EXAMINATION OF THE EFFECTS OF N-HEPTAN ADDITION TO COTTON METHYL ESTER ON THE ENGINE PERFORMANCE AND COMBUSTION CHARECTERISTICS
Authors: Mehmet Çelik , Hamit Solmaz , H. Serdar Yücesu
Published: 2015 , Gazi Üniversitesi Mühendislik Mimarlık Fakültesi Dergisi
DOI: 10.17341/gummfd.56992
FAVORITE 0 TOTAL DOWNLOAD COUNT 2805

0

2805

Drag Coefficient Determination Of A Bus Model Using Reynolds Number Independence
Authors: Hamit Solmaz , Yakup İçingür
Published: 2015 , International Journal of Automotive Engineering and Technologies
DOI: 10.18245/ijaet.52647
FAVORITE 0 TOTAL DOWNLOAD COUNT 2690

0

2690

ESTIMATION OF NUMBER OF VEHICLES AND AMOUNT OF POLLUTANTS GENERATED BY VEHICLES IN TURKEY UNTIL 2030
Authors: Hamit Solmaz , İsmet Celikten
Published: 2012 , Gazi University Journal of Science
DOI: -
FAVORITE 0 TOTAL DOWNLOAD COUNT 2161

0

2161

Articles published in
Engineering Perspective
Engineering Perspective
Gazi University Journal of Science Part C: Design and Technology
Gazi University Journal of Science Part C: Design and Technology
Gazi University Journal of Science
Gazi University Journal of Science
Gazi Üniversitesi Mühendislik Mimarlık Fakültesi Dergisi
Gazi Üniversitesi Mühendislik Mimarlık Fakültesi Dergisi
International Journal of Automotive Engineering and Technologies
International Journal of Automotive Engineering and Technologies
International Journal of Automotive Science And Technology
International Journal of Automotive Science And Technology
Journal of Polytechnic
Journal of Polytechnic
Journal of Thermal Science and Technology
Journal of Thermal Science and Technology
The Journal of Graduate School of Natural and Applied Sciences of Mehmet Akif Ersoy University
The Journal of Graduate School of Natural and Applied Sciences of Mehmet Akif Ersoy University
Editorship
Engineering Perspective
Engineering Perspective
Editor , Layout Editor , Proofreader , Production Editor
Gazi University Journal of Science Part C: Design and Technology
Gazi University Journal of Science Part C: Design and Technology
Section Editor
International Journal of Automotive Science And Technology
International Journal of Automotive Science And Technology
Technical Editor , Editor , Section Editor , Layout Editor , Proofreader , Secretary , Co-Editor , Statistics Editor , Production Editor , Language Editor
Proceedings of Automotive Science and Technology
Proceedings of Automotive Science and Technology
Editor
Editorial Board Memberships
International Journal of Automotive Science And Technology
International Journal of Automotive Science And Technology
International Journal of Engineering Design and Technology
International Journal of Engineering Design and Technology
Necmettin Erbakan University Journal of Science and Engineering
Necmettin Erbakan University Journal of Science and Engineering
Proceedings of Automotive Science and Technology
Proceedings of Automotive Science and Technology

Reviews

Afyon Kocatepe University Journal of Science and Engineering
Afyon Kocatepe University Journal of Science and Engineering
Dokuz Eylül Üniversitesi Mühendislik Fakültesi Fen ve Mühendislik Dergisi
Dokuz Eylül Üniversitesi Mühendislik Fakültesi Fen ve Mühendislik Dergisi
Engineering Perspective
Engineering Perspective
Gazi University Journal of Science Part A: Engineering and Innovation
Gazi University Journal of Science Part A: Engineering and Innovation
Gazi University Journal of Science Part C: Design and Technology
Gazi University Journal of Science Part C: Design and Technology
Gazi Üniversitesi Mühendislik Mimarlık Fakültesi Dergisi
Gazi Üniversitesi Mühendislik Mimarlık Fakültesi Dergisi
International Journal of Automotive Engineering and Technologies
International Journal of Automotive Engineering and Technologies
International Journal of Automotive Science And Technology
International Journal of Automotive Science And Technology
International Journal of Energy Applications and Technologies
International Journal of Energy Applications and Technologies
International Journal of Engineering Design and Technology
International Journal of Engineering Design and Technology
International Journal of Thermodynamics
International Journal of Thermodynamics
Journal of Boron
Journal of Boron
Journal of Energy Systems
Journal of Energy Systems
Journal of Materials and Mechatronics: A
Journal of Materials and Mechatronics: A
Journal of Polytechnic
Journal of Polytechnic
Journal of Thermal Science and Technology
Journal of Thermal Science and Technology

Publications

Multi-Dimensional 3D-CFD/Chemical-Kinetics Modeling of Natural Gas–Diesel RCCI Engines: Combustion Phasing, Efficiency and Emissions
Authors: Kamran Poorghasemi, R. Khoshbakhti Saray, Hamit Solmaz , Seyed Mohammad Mousavi, Alborz Zehni
Published: 2026 , Engineering Perspective
DOI: 10.64808/engineeringperspective.1802746
CITED 3 FAVORITE 0 TOTAL DOWNLOAD COUNT 522

3

0

522

Fabrication and Characterization of Sulfonated Polysulfone Membrane with Different Thicknesses for Proton Exchange Membrane Fuel Cell
Authors: İrem Tanış, Turan Alp Arslan , Tolga Kocakulak , Gülşen Taşkın , Tuğba Tabanlıgil Calam , Hamit Solmaz
Published: 2024 , Engineering Perspective
DOI: 10.29228/eng.pers.77899
CITED 6 FAVORITE 0 TOTAL DOWNLOAD COUNT 441

6

0

441

Modeling and Control of a PEM Fuel Cell Hybrid Energy System Used in a Vehicle with Fuzzy Logic Method
Authors: Nurettin Mert Boyacıoğlu , Tolga Kocakulak , Mustafa Batar , Ahmet Uyumaz , Hamit Solmaz
Published: 2023 , International Journal of Automotive Science And Technology
DOI: 10.30939/ijastech..1340339
CITED 11 FAVORITE 0 TOTAL DOWNLOAD COUNT 1371

11

0

1371

Control and Optimization of Pre-Transmission Parallel Hybrid Vehicle with Fuzzy Logic Method and Comparison with Conventional Rule Based Control Strategy
Authors: Tolga Kocakulak , Hamit Solmaz , Fatih Şahin
Published: 2023 , Journal of Polytechnic
DOI: 10.2339/politeknik.932448
CITED 3 FAVORITE 0 TOTAL DOWNLOAD COUNT 2931

3

0

2931

Dizel-biyodizel karışımına karbon nanotüp katkısının motor performansı ve egzoz emisyonlarına etkisinin incelenmesi
Authors: Elif Sürer , Hamit Solmaz , Emre Yılmaz , Alper Calam , Duygu İpci
Published: 2022 , Gazi Üniversitesi Mühendislik Mimarlık Fakültesi Dergisi
DOI: 10.17341/gazimmfd.741177
CITED 2 FAVORITE 0 TOTAL DOWNLOAD COUNT 1431

2

0

1431

Numerical Study of the Effects of Lambda and Injection Timing on RCCI Combustion Mode
Authors: Serdar Halis , Hamit Solmaz , Seyfi Polat , H. Serdar Yücesu
Published: 2022 , International Journal of Automotive Science And Technology
DOI: 10.30939/ijastech..1105470
CITED 11 FAVORITE 0 TOTAL DOWNLOAD COUNT 1133

11

0

1133

Investigation of the Effects of Intake Manifold Pressure on Performance and Combustion Characteristics in an HCCI Engine
Authors: Hamit Solmaz , Alper Calam , Serdar Halis , Duygu İpci , Emre Yılmaz
Published: 2022 , Gazi Üniversitesi Mühendislik Mimarlık Fakültesi Dergisi
DOI: 10.17341/gazimmfd.602742
CITED 4 FAVORITE 0 TOTAL DOWNLOAD COUNT 2724

4

0

2724

Modeling of an Electric Bus Using MATLAB/Simulink and Determining Cost Saving for a Realistic City Bus Line Driving Cycle
Authors: Oğuzhan Karakaş, Umut Buğra Şeker, Hamit Solmaz
Published: 2021 , Engineering Perspective
DOI: 10.29228/eng.pers.51422
CITED 5 FAVORITE 0 TOTAL DOWNLOAD COUNT 567

5

0

567

Determination of Lithium Ion Battery Characteristics for Hybrid Vehicle Models
Authors: Tolga Kocakulak , Hamit Solmaz
Published: 2020 , International Journal of Automotive Science And Technology
DOI: 10.30939/ijastech..723043
CITED 9 FAVORITE 1 TOTAL DOWNLOAD COUNT 2239

9

1

2239

CONTROL OF COMBUSTION PHASE WITH DIRECT INJECTION TIMING FOR DIFFERENT INLET TEMPERATURES IN AN RCCI ENGINE
Authors: Hamit Solmaz , Duygu İpci
Published: 2020 , Journal of Thermal Science and Technology
DOI: 10.47480/isibted.817027
CITED 9 FAVORITE 0 TOTAL DOWNLOAD COUNT 2304

9

0

2304

Estimation of the COVIMEP Variation in a HCCI Engine
Authors: Seyfi Polat , Hamit Solmaz , Alper Calam , Emre Yılmaz
Published: 2020 , Journal of Polytechnic
DOI: 10.2339/politeknik.567865
CITED 9 FAVORITE 0 TOTAL DOWNLOAD COUNT 1827

9

0

1827

Control of pre and post transmission parallel hybrid vehicles with fuzzy logic method and comparison with other power systems
Authors: Tolga Kocakulak , Hamit Solmaz
Published: 2020 , Gazi Üniversitesi Mühendislik Mimarlık Fakültesi Dergisi
DOI: 10.17341/gazimmfd.709101
CITED 10 FAVORITE 0 TOTAL DOWNLOAD COUNT 2205

10

0

2205

MODELLING OF A SERIAL HYBRID VEHICLE WITH HCCI RANGE EXTENDER ENGINE ABSTRACT
Authors: Tolga Kocakulak , Hamit Solmaz
Published: 2020 , Gazi University Journal of Science Part C: Design and Technology
DOI: 10.29109/gujsc.670564
CITED 12 FAVORITE 0 TOTAL DOWNLOAD COUNT 2818

12

0

2818

Thermodynamic comparison of crank-drive and rhombic-drive mechanisms for a single cylinder spark ignition engine
Authors: Emre Yılmaz , Seyfi Polat , Hamit Solmaz , Fatih Aksoy , Can Çınar
Published: 2019 , Gazi Üniversitesi Mühendislik Mimarlık Fakültesi Dergisi
DOI: 10.17341/gazimmfd.492003
CITED 4 FAVORITE 0 TOTAL DOWNLOAD COUNT 2003

4

0

2003

An Experimental Investigation on The Effects of Waste Olive Oil Biodiesel on Combustion, Engine Performance and Exhaust Emissions
Authors: Ahmet Uyumaz , Fatih Aksoy , Fatih Akay, Şükrü Ayhan Baydır , Hamit Solmaz , Emre Yılmaz , Bilal Aydoğan , Alper Calam
Published: 2019 , International Journal of Automotive Engineering and Technologies
DOI: 10.18245/ijaet.578227
CITED 6 FAVORITE 0 TOTAL DOWNLOAD COUNT 1628

6

0

1628

Modeling of an Electric Vehicle with MATLAB/Simulink
Authors: Ahmet Onur Kıyaklı , Hamit Solmaz
Published: 2018 , International Journal of Automotive Science And Technology
DOI: 10.30939/ijastech..475477
CITED 41 FAVORITE 0 TOTAL DOWNLOAD COUNT 18190

41

0

18190

Emme Havası Giriş Sıcaklığı ve Ön Karışımlı Yakıt Oranının RCCI Yanma Karakteristiklerine ve Motor Performansına Etkileri
Authors: Ahmet Uyumaz , Hamit Solmaz
Published: 2017 , Journal of Polytechnic
DOI: 10.2339/politeknik.339401
CITED 2 FAVORITE 0 TOTAL DOWNLOAD COUNT 2166

2

0

2166

BETA TİPİ RHOMBİC HAREKET MEKANİZMALI BİR STİRLİNG MOTORUNUN TASARIMI VE PERFORMANS TESTLERİ
Authors: Fatih Aksoy , Halit Karabulut , Can Çınar , Hamit Solmaz , Yaşar Önder Özgören , Muhammed Arslan
Published: 2016 , Gazi Üniversitesi Mühendislik Mimarlık Fakültesi Dergisi
DOI: -
CITED 2 FAVORITE 0 TOTAL DOWNLOAD COUNT 3865

2

0

3865

EXAMINATION OF THE EFFECTS OF N-HEPTAN ADDITION TO COTTON METHYL ESTER ON THE ENGINE PERFORMANCE AND COMBUSTION CHARECTERISTICS
Authors: Mehmet Çelik , Hamit Solmaz , H. Serdar Yücesu
Published: 2015 , Gazi Üniversitesi Mühendislik Mimarlık Fakültesi Dergisi
DOI: 10.17341/gummfd.56992
CITED 8 FAVORITE 0 TOTAL DOWNLOAD COUNT 2805

8

0

2805

Drag Coefficient Determination Of A Bus Model Using Reynolds Number Independence
Authors: Hamit Solmaz , Yakup İçingür
Published: 2015 , International Journal of Automotive Engineering and Technologies
DOI: 10.18245/ijaet.52647
CITED 5 FAVORITE 0 TOTAL DOWNLOAD COUNT 2690

5

0

2690

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