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Orhan Yıldırım Asst. Prof. Dr. ATATÜRK ÜNİVERSİTESİ, MÜHENDİSLİK FAKÜLTESİ, MAKİNE MÜHENDİSLİĞİ BÖLÜMÜ
Publication 14 Review 7 CrossRef Cited 8
14 Publication
7 Review
8 CrossRef Cited
0000-0001-8780-1297

Research Fields

Experimental Methods in Fluid Flow, Heat and Mass Transfer Energy Generation, Conversion and Storage (Excl. Chemical and Electrical) Biomedical Fluid Mechanics Optimization Techniques in Mechanical Engineering Computational Methods in Fluid Flow, Heat and Mass Transfer (Incl. Computational Fluid Dynamics) Microelectromechanical Systems (Mems) Non-Newtonian Fluid Flows (Incl. Rheology) Multiple Criteria Decision Making

Institution

ATATÜRK ÜNİVERSİTESİ, MÜHENDİSLİK FAKÜLTESİ, MAKİNE MÜHENDİSLİĞİ BÖLÜMÜ

Publications

Experimental Investigation of the Effects of Conical Spring Arrays on Flow Instabilities in Horizontal Two-Phase Flow Systems
Authors: Yeşim Solak Coşkun , Ömer Çomaklı , Fatin Sönmez , Orhan Yıldırım , Şendoğan Karagöz
Published: 2026 , The Black Sea Journal of Sciences
DOI: 10.31466/kfbd.1845506
FAVORITE 0 TOTAL DOWNLOAD COUNT 125

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125

Multi-Objective Optimization of Heat Transfer and Entropy Generation in Bio-Inspired Tubes via Hybrid Multi-Criteria Decision-Making
Authors: Orhan Yıldırım
Published: 2026 , Kocaeli Journal of Science and Engineering
DOI: 10.34088/kojose.1876894
FAVORITE 0 TOTAL DOWNLOAD COUNT 373

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373

Determination of the Optimal Turbulator Geometry for Heat Transfer Enhancement: An Integrated Approach Using CRITIC/MEREC and MARCOS
Authors: Orhan Yıldırım
Published: 2026 , Adıyaman Üniversitesi Mühendislik Bilimleri Dergisi
DOI: 10.54365/adyumbd.1872119
FAVORITE 0 TOTAL DOWNLOAD COUNT 405

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405

Experimental and Model-Based Characterization of a Xanthan Gum Solution as a Blood-Mimicking Fluid at Body Temperature
Authors: Orhan Yıldırım
Published: 2026 , Bingol University Journal of Technical Science
DOI: -
FAVORITE 0 TOTAL DOWNLOAD COUNT 663

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663

Experimental Investigation of The Transition Process With Single-Phase And Two-Phase Flow Regions In Horizontal Pipes In Terms Of Heat Transfer
Authors: Orhan Yıldırım , Hasan Güven , Ayşe Nur Karataş , Şendoğan Karagöz , Ömer Çomaklı
Published: 2026 , Erzincan University Journal of Science and Technology
DOI: 10.18185/erzifbed.1699165
FAVORITE 0 TOTAL DOWNLOAD COUNT 397

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397

Effect of conical helical spring elements on boiling two-phase flow regimes
Authors: Yeşim Solak Coşkun , Ömer Çomaklı , Fatin Sönmez , Orhan Yıldırım , Şendoğan Karagöz
Published: 2026 , Dicle Üniversitesi Mühendislik Fakültesi Mühendislik Dergisi
DOI: 10.24012/dumf.1812587
FAVORITE 0 TOTAL DOWNLOAD COUNT 436

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436

Second Law-Based Comparative Analysis of Entropy Generation in Mini and Macro Tubes
Authors: Orhan Yıldırım , Şendoğan Karagöz
Published: 2026 , Dicle Üniversitesi Mühendislik Fakültesi Mühendislik Dergisi
DOI: 10.24012/dumf.1800310
FAVORITE 0 TOTAL DOWNLOAD COUNT 347

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347

EXPERIMENTAL ANALYSIS OF PRESSURE DROP AND PUMP POWER IN PERISTALTIC PUMP-DRIVEN FLOW THROUGH FLEXIBLE PIPES OF VARYING DIAMETERS
Authors: Orhan Yıldırım
Published: 2026 , Kahramanmaras Sutcu Imam University Journal of Engineering Sciences
DOI: 10.17780/ksujes.1746018
FAVORITE 0 TOTAL DOWNLOAD COUNT 566

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566

Numerical Investigation of the Effects of Different Turbulators on Heat Transfer in an Internal Flow System
Authors: Şendoğan Karagöz , Hossein Abdi, Orhan Yıldırım
Published: 2025 , International Journal of Innovative Research and Reviews
DOI: -
FAVORITE 0 TOTAL DOWNLOAD COUNT 246

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246

PERFORMANCE AND EFFICIENCY OF PHOTOVOLTAIC PANELS IN ERZURUM WINTER CONDITIONS
Authors: Şendoğan Karagöz , Meryem Aras , Orhan Yıldırım , Fadime Şimşek , Ömer Çomaklı
Published: 2025 , Kahramanmaras Sutcu Imam University Journal of Engineering Sciences
DOI: 10.17780/ksujes.1611476
FAVORITE 0 TOTAL DOWNLOAD COUNT 1059

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1059

Analysis of Heat Transfer in Single-Phase Flow in Circular Mini-Channels
Authors: Şendoğan Karagöz , Orhan Yıldırım
Published: 2024 , International Journal of Innovative Research and Reviews
DOI: -
FAVORITE 0 TOTAL DOWNLOAD COUNT 821

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821

Numerical Study of the Aerodynamic Behavior of 7.62 x 51 mm Bullet
Authors: Osman Yazici , Şendoğan Karagöz , Orhan Yıldırım , Ömer Çomaklı
Published: 2024 , Journal of Energy Trends
DOI: 10.5281/zenodo.12567021
FAVORITE 0 TOTAL DOWNLOAD COUNT 1297

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1297

THE EFFECTS OF CIRCULAR INSERTS ON THE THERMAL AND FLOW CHARACTERISTICS IN A HORIZONTAL PIPE EXCHANGER: A NUMERICAL INVESTIGATION
Authors: Muhammet Kaan Yeşilyurt , Nesrin Adıgüzel , Orhan Yıldırım , Ömer Çomaklı , Faraz Afshari
Published: 2023 , Journal of Scientific Reports-A
DOI: 10.59313/jsr-a.1160788
FAVORITE 0 TOTAL DOWNLOAD COUNT 1051

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1051

Yatay Borularda Türbülatörlerin Isı Transferine Olan Etkisinin Deneysel Araştırılması
Authors: Şendoğan Karagöz , Sibel Çiltaş, Orhan Yıldırım , Sadık Erdoğan
Published: 2019 , Erzincan University Journal of Science and Technology
DOI: 10.18185/erzifbed.459957
FAVORITE 0 TOTAL DOWNLOAD COUNT 2584

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2584

Articles published in
Adıyaman Üniversitesi Mühendislik Bilimleri Dergisi
Adıyaman Üniversitesi Mühendislik Bilimleri Dergisi
Bingol University Journal of Technical Science
Bingol University Journal of Technical Science
Dicle Üniversitesi Mühendislik Fakültesi Mühendislik Dergisi
Dicle Üniversitesi Mühendislik Fakültesi Mühendislik Dergisi
Erzincan University Journal of Science and Technology
Erzincan University Journal of Science and Technology
International Journal of Innovative Research and Reviews
International Journal of Innovative Research and Reviews
Journal of Energy Trends
Journal of Energy Trends
Journal of Scientific Reports-A
Journal of Scientific Reports-A
Kahramanmaras Sutcu Imam University Journal of Engineering Sciences
Kahramanmaras Sutcu Imam University Journal of Engineering Sciences
Kocaeli Journal of Science and Engineering
Kocaeli Journal of Science and Engineering
The Black Sea Journal of Sciences
The Black Sea Journal of Sciences

Reviews

Dicle Üniversitesi Mühendislik Fakültesi Mühendislik Dergisi
Dicle Üniversitesi Mühendislik Fakültesi Mühendislik Dergisi
Erzincan University Journal of Science and Technology
Erzincan University Journal of Science and Technology
Journal of Energy Trends
Journal of Energy Trends
Recep Tayyip Erdogan University Journal of Science and Engineering
Recep Tayyip Erdogan University Journal of Science and Engineering
Sakarya University Journal of Science
Sakarya University Journal of Science

Publications

PERFORMANCE AND EFFICIENCY OF PHOTOVOLTAIC PANELS IN ERZURUM WINTER CONDITIONS
Authors: Şendoğan Karagöz , Meryem Aras , Orhan Yıldırım , Fadime Şimşek , Ömer Çomaklı
Published: 2025 , Kahramanmaras Sutcu Imam University Journal of Engineering Sciences
DOI: 10.17780/ksujes.1611476
CITED 2 FAVORITE 0 TOTAL DOWNLOAD COUNT 1059

2

0

1059

THE EFFECTS OF CIRCULAR INSERTS ON THE THERMAL AND FLOW CHARACTERISTICS IN A HORIZONTAL PIPE EXCHANGER: A NUMERICAL INVESTIGATION
Authors: Muhammet Kaan Yeşilyurt , Nesrin Adıgüzel , Orhan Yıldırım , Ömer Çomaklı , Faraz Afshari
Published: 2023 , Journal of Scientific Reports-A
DOI: 10.59313/jsr-a.1160788
CITED 1 FAVORITE 0 TOTAL DOWNLOAD COUNT 1051

1

0

1051

Yatay Borularda Türbülatörlerin Isı Transferine Olan Etkisinin Deneysel Araştırılması
Authors: Şendoğan Karagöz , Sibel Çiltaş, Orhan Yıldırım , Sadık Erdoğan
Published: 2019 , Erzincan University Journal of Science and Technology
DOI: 10.18185/erzifbed.459957
CITED 5 FAVORITE 0 TOTAL DOWNLOAD COUNT 2584

5

0

2584

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