Gazi Journal of Engineering Sciences Home

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About

Gazi Journal of Engineering Sciences (GJES) is an international refereed journal published in the fields of engineering (machinery, construction, industry, computers, etc.) and technology.

The academic publications sent to Gazi Journal of Engineering Sciences are published as open access on the Internet three times a year, after passing through the review of the referees in April, August, and December.

The publication language of Gazi Journal of Engineering Sciences is English.

GJES adopts Budapest Open Acess Initiative Policy.

GJES does not charge authors any fees for publishing articles and accessing published articles.

All submissions to GJES are automatically screened for plagiarism using the Intihal.net similarity detection system prior to editorial evaluation. Manuscripts with a similarity index above 15% are rejected without entering the peer review process.

Names of all authors and ORCID ID's should be entered into the system in the first submission phase.

DOI: 10.30855/gmbd

Statistics

Time to First Decision

11 days

Time to Final Decision

143 days

Time to Publication

56 days

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Articles

Research Article Influence of Nanoparticles Shape on Natural Convection Mechanism In a Square Enclosure Using Single-phase Model: A Numerical Study

Abdullah Dağdeviren ^*
April 30, 2026 Page 1-14

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Research Article Investigation of the Corrosion Resistance of Gun Barrel Steels Coated with Diamond-Like Carbon Using Different Methods

Uğur Karahan ^* , Gülenç Gülenç , Tolga Yılmaz , Harun Zengin
April 30, 2026 Page 15-26

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Research Article Investigation of the Properties of Fe-Zn and Al-Si Coated High-Strength Hot-Stamped Materials and Comparative Analysis of Delayed Cracking

Onur Tuğcular ^* , Ortaç Akdikmen , Ömer Faruk Demiral
April 30, 2026 Page 27-43

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Research Article A Hybrid CNN–LSTM Model with Attention Mechanism for Photovoltaic Power Estimation

Musab Coskun , Onur Polat ^* , Ferdi Doğan , Miktat Aktaş
April 30, 2026 Page 44-61

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Research Article Evaluation of The Tensile, Flexural and Impact Characteristics of Recycled Polyamide 66 Based on Taguchi Orthogonal Design

Oğuzhan Döner ^* , Hasan Öktem , Orhan Kara , Burak Karaca
April 30, 2026 Page 62-74

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Research Article An Explainable Machine Learning Approach to Offshore Wind Farm Suitability Assessment: A GIS-Based Decision Support Framework for Türkiye

Esra Özkan Aksu ^* , Cevriye Gencer
April 30, 2026 Page 75-95

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Research Article Design of a Frequency Selective Surface-Based Electromagnetic Absorber for X-Band Applications

Sena Esen Bayer Keskin ^* , Cem Güler , Erol Türkeş
April 30, 2026 Page 97-111

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Research Article Measuring the Efficiency of Turbojet and Turbofan Engines Used in Fighter Aircraft Produced During the Cold War Years Using Data Envelope Analysis (DEA)

Cemil Rakipoğlu ^* , Tunahan Avcı
April 30, 2026 Page 111-121

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Research Article A Bibliometric Mapping of Digital Twins and AI: Scientific Trends and Research Frontiers

Ahmet Doğan , Ahmet Yurtsal ^* , Şerife Keleş
April 30, 2026 Page 122-142

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Research Article Influence of Nanoparticles Shape on Natural Convection Mechanism In a Square Enclosure Using Single-phase Model: A Numerical Study

Abdullah Dağdeviren ^*
April 30, 2026 Page 1-14

View PDF
Research Article Investigation of the Corrosion Resistance of Gun Barrel Steels Coated with Diamond-Like Carbon Using Different Methods

Uğur Karahan ^* , Gülenç Gülenç , Tolga Yılmaz , Harun Zengin
April 30, 2026 Page 15-26

View PDF
Research Article Investigation of the Properties of Fe-Zn and Al-Si Coated High-Strength Hot-Stamped Materials and Comparative Analysis of Delayed Cracking

Onur Tuğcular ^* , Ortaç Akdikmen , Ömer Faruk Demiral
April 30, 2026 Page 27-43

View PDF
Research Article A Hybrid CNN–LSTM Model with Attention Mechanism for Photovoltaic Power Estimation

Musab Coskun , Onur Polat ^* , Ferdi Doğan , Miktat Aktaş
April 30, 2026 Page 44-61

View PDF
Research Article Evaluation of The Tensile, Flexural and Impact Characteristics of Recycled Polyamide 66 Based on Taguchi Orthogonal Design

Oğuzhan Döner ^* , Hasan Öktem , Orhan Kara , Burak Karaca
April 30, 2026 Page 62-74

View PDF
Research Article An Explainable Machine Learning Approach to Offshore Wind Farm Suitability Assessment: A GIS-Based Decision Support Framework for Türkiye

Esra Özkan Aksu ^* , Cevriye Gencer
April 30, 2026 Page 75-95

View PDF
Research Article Design of a Frequency Selective Surface-Based Electromagnetic Absorber for X-Band Applications

Sena Esen Bayer Keskin ^* , Cem Güler , Erol Türkeş
April 30, 2026 Page 97-111

View PDF
Research Article Measuring the Efficiency of Turbojet and Turbofan Engines Used in Fighter Aircraft Produced During the Cold War Years Using Data Envelope Analysis (DEA)

Cemil Rakipoğlu ^* , Tunahan Avcı
April 30, 2026 Page 111-121

View PDF
Research Article A Bibliometric Mapping of Digital Twins and AI: Scientific Trends and Research Frontiers

Ahmet Doğan , Ahmet Yurtsal ^* , Şerife Keleş
April 30, 2026 Page 122-142

View PDF

Research Article Investigation of the Properties of Fe-Zn and Al-Si Coated High-Strength Hot-Stamped Materials and Comparative Analysis of Delayed Cracking

Onur Tuğcular ^* , Ortaç Akdikmen , Ömer Faruk Demiral
April 30, 2026 Page 27-43

View PDF
Research Article Evaluation of The Tensile, Flexural and Impact Characteristics of Recycled Polyamide 66 Based on Taguchi Orthogonal Design

Oğuzhan Döner ^* , Hasan Öktem , Orhan Kara , Burak Karaca
April 30, 2026 Page 62-74

View PDF
Research Article An Explainable Machine Learning Approach to Offshore Wind Farm Suitability Assessment: A GIS-Based Decision Support Framework for Türkiye

Esra Özkan Aksu ^* , Cevriye Gencer
April 30, 2026 Page 75-95

View PDF
Research Article Design of a Frequency Selective Surface-Based Electromagnetic Absorber for X-Band Applications

Sena Esen Bayer Keskin ^* , Cem Güler , Erol Türkeş
April 30, 2026 Page 97-111

View PDF
Research Article Measuring the Efficiency of Turbojet and Turbofan Engines Used in Fighter Aircraft Produced During the Cold War Years Using Data Envelope Analysis (DEA)

Cemil Rakipoğlu ^* , Tunahan Avcı
April 30, 2026 Page 111-121

View PDF
Research Article Investigation of the Corrosion Resistance of Gun Barrel Steels Coated with Diamond-Like Carbon Using Different Methods

Uğur Karahan ^* , Gülenç Gülenç , Tolga Yılmaz , Harun Zengin
April 30, 2026 Page 15-26

View PDF
Research Article A Hybrid CNN–LSTM Model with Attention Mechanism for Photovoltaic Power Estimation

Musab Coskun , Onur Polat ^* , Ferdi Doğan , Miktat Aktaş
April 30, 2026 Page 44-61

View PDF
Research Article Influence of Nanoparticles Shape on Natural Convection Mechanism In a Square Enclosure Using Single-phase Model: A Numerical Study

Abdullah Dağdeviren ^*
April 30, 2026 Page 1-14

View PDF
Research Article A Bibliometric Mapping of Digital Twins and AI: Scientific Trends and Research Frontiers

Ahmet Doğan , Ahmet Yurtsal ^* , Şerife Keleş
April 30, 2026 Page 122-142

View PDF
Research Article Spam Content Detection with Large Language Models: Comparative Analysis of Gemini and Deepseek Models on X Platform

Ebutalha Camadan ^* , Mehmet Şimşek
December 31, 2025 Page 376-397

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Research Article A Review about Deep Learning Methods and Applications

Abdulkadir Şeker , Banu Diri , Hasan Hüseyin Balık
December 27, 2017 Page 47-64

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Research Article Binalarda Yükseklik/Genişlik Oranı Ve Zemin Yatak Katsayısına Bağlı Devrilme Analizi

Mehmet Ali Kalaylı , Orhan Doğan ^*
December 30, 2019 Page 300-314

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Research Article Modeling and Simulation of DC Motor Using Simelectronics and Simulink

Ayodeji Okubanjo ^* , Oluwadamilola Oyetola , Olawale Olaluwoye , Olufemi Alao , Adeyemi Olateju , Taiwo Abatan
April 23, 2019 Page 91-100

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Research Article Classification of Raisin Grains Using Machine Vision and Artificial Intelligence Methods

İlkay Çınar ^* , Murat Koklu , Prof. Dr. Şakir Taşdemir
December 27, 2020 Page 200-209

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THE IMPORTANCE OF PUMPED STORAGE HYDRO-ELECTRIC POWER PLANTS FOR TURKEY

Ahmet Ali Sertkaya , Maksut Saraç , Muhammed Arslan Omar
September 1, 2015 Page 369-382

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Research Article Yoğurt Üretiminde Kalite Kayıpları ve Kalite Artışına Yönelik Düzeltici Önlemlerin Geliştirilmesi

Rukiye Mavuş , Ekin Can Dolgun , Ahmet Eren Akkoç ^* , Mustafa Aktaş
August 25, 2020 Page 120-128

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Research Article The Current Situation of Wind Energy in Turkey

Fatih Karık , Adnan Sözen , Ümit İskender
June 1, 2015 Page 219-233

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Research Article Türk Bina Deprem Yönetmeliği’ne Göre Düşey Deprem Kuvvetinin İkinci Mertebeden Taban Momentlerine Etkisi

Orhan Doğan ^* , Yunus Genç
December 30, 2019 Page 244-249

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THERMODYNAMIC CRITICS OF UNDERGROUND NATURAL GAS STORAGE

Gökalp M. Şener , Adnan Sözen
March 1, 2016 Page 21-39

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Research Article Sokak Aydınlatması Dönüşümü Fayda Maliyet Analizi Üzerine Bir Mühendislik Ekonomisi Çalışması

Emre Yılmaz ^* , Orhan Erden , Nuri Kocadağ
December 30, 2019 Page 280-289

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Research Article A Review about Deep Learning Methods and Applications

Abdulkadir Şeker , Banu Diri , Hasan Hüseyin Balık
December 27, 2017 Page 47-64

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Review Tüm Yönleriyle Metaverse Çalışmaları, Teknolojileri ve Geleceği

Osman Güler ^* , Serkan Savaş
September 1, 2022 Page 292-319

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Review Sustainability in Paper-Based Packaging

Bekir Keskin ^* , Bilge Nazlı Altay , Abdullah Kurt , Paul D. Flemıng
August 25, 2020 Page 129-137

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Research Article Yenilenebilir Enerji Kaynağı ile Hidrojen Sülfürden Hidrojen Üretim Kombine Sistem Tasarımı ve Analizi

Kemal Gök ^* , Adnan Sözen
September 1, 2022 Page 273-291

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Research Article Kentsel Ulaşım İçin Alternatif Tramvay Araçlarının Çok Kriterli Seçimi

Tamer Eren , Mustafa Hamurcu ^* , Sema Dinç
August 16, 2018 Page 124-135

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Research Article Classification of Raisin Grains Using Machine Vision and Artificial Intelligence Methods

İlkay Çınar ^* , Murat Koklu , Prof. Dr. Şakir Taşdemir
December 27, 2020 Page 200-209

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Research Article A Study on Correct Classification Performance of Unconstraint Partial Proportional Odds Model

Mehmet Cem Şengöz , Mustafa Merdan
December 27, 2017 Page 74-82

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Research Article Kampüste Yeşil Ulaşım Uygulaması: Ring Araçlarının Seçimi için Bir Karar Verme Süreci

Nida İlbegüm Süt , Mustafa Hamurcu , Tamer Eren ^*
April 23, 2019 Page 9-21

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Review Yeni Bir Kent İçi Ulaşım Türü: E-scooter

Hazal Güldür , Fatih Karaçor ^* , Seda Hatipoğlu , Kürşat Çubuk
April 30, 2022 Page 60-73

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Research Article Server Virtualization Using Cloud Computing for Large Scale Data Centers

Burak Ersever , İbrahim Alper Doğru , Murat Dörterler
April 10, 2017 Page 20-26

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Archive

2026 - Volume 12, Issue 1 2025 - Volume 11, Issue 3 2025 - Volume 11, Issue 2 2025 - Volume 11, Issue 1

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Volume 9, Issue 4

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Journal Information

e-ISSN

2149-9373

Founded

2015

Publisher

Parantez Teknoloji

Coordinator of Scientific Publishing

Dr. Alper Altunçekiç
bilgi@parantezteknoloji.com.tr

Primary Editor

Prof. Dr. İsmail Şahin
isahin61@gmail.com

Publication Model

Periodical Publication (April - August - December)

Indexes

TR Dizin

GJES is indexed and archived by:

33113 33114 33115 33116 33117

Gazi Journal of Engineering Sciences (GJES) publishes open access articles under a Creative Commons Attribution 4.0 International License (CC BY)