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Welcome to Sigma Journal of Engineering and Natural Sciences

New registrations need manual activation by the journal; therefore, please send an email to sbilgin@yildiz.edu.tr after completing your personal information.

 

Main Website: https://sigma.yildiz.edu.tr

 

Journal Description: Our journal is officially supported by Yildiz Technical University and is a blind peer-reviewed free open-access journal published bimonthly (February, April, June, August, October, and December).

 

Publisher: Yildiz Technical University

 

Editor-in-Chief: Prof.Dr. Ahmet Selim Dalkılıç, dalkilic@yildiz.edu.tr, since 2021. 

 

E-ISSN Number: 1304-7205 (2004)

P-ISSN Number: 1304-7191 (2004)

 

Aim and Scope: The SIGMA Journal of Engineering and Science is aimed at giving a recognized platform to students, researchers, research scholars, teachers, authors, and other professionals in the field of research in various engineering subjects to publish their original and current research work to a wide, international audience.

 

Average Duration of the First Review Round: 2 months

 

Types of Publications: Research Article, Review Article, Short Communication Paper, Technical Note, Letter to Editor, Invited Paper, Book Review

 

Language of Publication: English

 

Frequency: bimonthly (6 issues per year)

 

Publication Type: Online e-version

 

Average Paper Acceptance Rate: 37% (Rejected: 3763, Published and Article-in-Press: 2245, 17.03.2026)

 

Most Cited Papers: https://scholar.google.com/citations?authuser=1&user=shyQmI4AAAAJ

 

Paper Submission: Click here in order to submit your paper. Further support is available by emailing to sigma@yildiz.edu.tr.

 

Frequently Asked Questions: https://eds.yildiz.edu.tr/sigma/Announcements/91

 

Postal Address: Yildiz Technical University, Mechanical Engineering Faculty, Department of Mechanical Engineering, Heat and Thermodynamics Division, E1 Bl Kat:2 No:17, Barbaros Bulvari, Yildiz, Besiktas, Istanbul 34349, Turkey.

 

Please read our journal announcements on the left side for the latest news.

 

 

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SIGMA Journal of Engineering and Science is licensed under a Creative Commons Attribution 4.0 International License.

Based on a work at https://eds.yildiz.edu.tr/sigma/

 

 

                  

 

 

                            

     SCImago Journal & Country Rank                    WOS-Journal.info

 

 

 

 

 

 

1913 Article(s) Found
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Research Article
Title: Comparison of random search and gradient-based optimization techniques on design improvement of permanent magnet synchronous motor
Authors: İsmail ÖYLEK, Metin VARAN, Ali ERDUMAN, Ahmet ZENGİN
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: June, Year: 2026, Volume: 44, Issue: 3, (JUN 2026), pp:1686-1699
DOI: 10.14744/sigma.2025.00058
Viewed: (68) times
Abstract | Full Text| PDF

Research Article
Title: A novel approach for clean energy production and decarbonization using floating photovoltaic systems: Türkiye case
Authors: Fulya ÖZGÜN, Tamara BAJC, Kemal KOCA, Fatih KARIPOĞLU
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: June, Year: 2026, Volume: 44, Issue: 3, (JUN 2026), pp:1674-1685
DOI: 10.14744/sigma.2026.2057
Viewed: (35) times
Abstract | Full Text| PDF

Research Article
Title: Overview of single-phase-shift dual active bridge converter: operation, analysis, design guidelines and comparison of optimized control strategies
Authors: Mehmet Ali USTA, Unal ORDU
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: June, Year: 2026, Volume: 44, Issue: 3, (JUN 2026), pp:1646-1673
DOI: 10.14744/sigma.2026.2056
Viewed: (28) times
Abstract | Full Text| PDF

Research Article
Title: Green synthesis of a zeolite from natural extract of Sapindus as a template
Authors: Fairouz MEZIANI, Zoubir BENMAAMAR, Nadji MOULAI-MOSTEFA, Mourad MAKHLOUF
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: June, Year: 2026, Volume: 44, Issue: 3, (JUN 2026), pp:1635-1645
DOI: 10.14744/sigma.2025.00094
Viewed: (23) times
Abstract | Full Text| PDF

Research Article
Title: Homnormal: A comprehensive R package for testing the homogeneity of variances
Authors: Fikri GÖKPINAR, Esra GÖKPINAR
Journal: Sigma Journal of Engineering and Natural Sciences
Issue: Name: June, Year: 2026, Volume: 44, Issue: 3, (JUN 2026), pp:1619-1634
DOI: 10.14744/sigma.2025.00061
Viewed: (28) times
Abstract | Full Text| PDF

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1913 Article(s) Found
Developed by Dr. Aydin Secer 2014-Istanbul