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Halil İbrahim Variyenli Assoc. Prof. Dr. Gazi Üniversitesi Teknoloji Fakültesi
Publication 17 Review 19 CrossRef Cited 11
17 Publication
19 Review
11 CrossRef Cited

Research Fields

Renewable Energy Resources Energy Systems Engineering Biomass Energy Systems Solar Energy Systems Hydroelectric Energy Systems Geothermal Energy Systems Wind Energy Systems Thermal Power Systems Installation Technologies

Institution

Gazi Üniversitesi Teknoloji Fakültesi

Popular Publications

Enhancing the Performance of Cooling Systems by Cooling Condenser: Adıyaman Case Study
Authors: Halil Variyenli , Abdulkadir Şener , Ataollah Khanları , Emine Yağiz Gürbüz
Published: 2020 , Duzce University Journal of Science and Technology
DOI: 10.29130/dubited.723895
CITED 0 FAVORITE 1 TOTAL DOWNLOAD COUNT 1067

0

1

1067

Türkiye’de Elektrik Üretim Santrallerinin İç İhtiyaç Tüketimlerinin Yenilenebilir Kaynaklardan Karşılanabilmesi ve Emisyona Sağlayabileceği Katkı
Authors: İlker İlaslaner , Halil İbrahim Variyenli
Published: 2024 , Gazi University Journal of Science Part C: Design and Technology
DOI: 10.29109/gujsc.1399978
CITED 0 FAVORITE 1 TOTAL DOWNLOAD COUNT 1723

0

1

1723

Publications

Photovoltaic and biogas based renewable energy applications in livestock farms in Karaman province
Authors: Merve Yılmazer , Yavuz Selim Ozen , Halil Ibrahim Variyenli , Mert Okten
Published: 2025 , Mediterranean Agricultural Sciences
DOI: 10.29136/mediterranean.1609524
FAVORITE 0 TOTAL DOWNLOAD COUNT 583

0

583

Performance Analysis of Methane-Hydrogen Mixture in Combined Type Gas Burners
Authors: Mert Ökten , Halil İbrahim Variyenli , Serhat Karyeyen , Koray Göktekin
Published: 2025 , Journal of Polytechnic
DOI: 10.2339/politeknik.1559852
FAVORITE 0 TOTAL DOWNLOAD COUNT 777

0

777

Reducing Carbon Footprint in Ankara: The Use of Biodiesel Produced from Waste Oils in Public Transportation
Authors: Osman Furkan Kapıkıran , Halil İbrahim Variyenli , Mert Ökten , Semih Sadi Kılıç
Published: 2025 , Gazi University Journal of Science Part C: Design and Technology
DOI: 10.29109/gujsc.1581273
FAVORITE 0 TOTAL DOWNLOAD COUNT 1574

0

1574

CH4-CO2 Fuel Mixture Combustion and Emission Characteristics in a Combi Boiler Combustor
Authors: Ahmet Haşim Toslak , Halil İbrahim Variyenli , Serhat Karyeyen
Published: 2024 , Journal of Polytechnic
DOI: 10.2339/politeknik.1509907
FAVORITE 0 TOTAL DOWNLOAD COUNT 619

0

619

Türkiye’de Elektrik Üretim Santrallerinin İç İhtiyaç Tüketimlerinin Yenilenebilir Kaynaklardan Karşılanabilmesi ve Emisyona Sağlayabileceği Katkı
Authors: İlker İlaslaner , Halil İbrahim Variyenli
Published: 2024 , Gazi University Journal of Science Part C: Design and Technology
DOI: 10.29109/gujsc.1399978
FAVORITE 1 TOTAL DOWNLOAD COUNT 1723

1

1723

Yakın Yüzey Bertaraf Tesislerinin Maliyetlendirilmesi, Türkiye için Senaryo Analizi
Authors: Semih Sadi Kılıç , Halil İbrahim Variyenli
Published: 2023 , Gazi University Journal of Science Part C: Design and Technology
DOI: 10.29109/gujsc.1395633
FAVORITE 0 TOTAL DOWNLOAD COUNT 1138

0

1138

Experimental Investigation of the Effect of Using Thermostatic Radiator Valve on Energy Efficiency in Buildings
Authors: Tuncay Karaçam , Halil Variyenli , Kerim Martin , Ataollah Khanları , İpek Aytaç
Published: 2022 , Journal of Polytechnic
DOI: 10.2339/politeknik.1031156
FAVORITE 0 TOTAL DOWNLOAD COUNT 2725

0

2725

Experimental Evaluation of Installation Cleaning in terms of Energy Efficiency in Individual Heating Systems
Authors: Muhammet Yürük, Halil Variyenli , Kerim Martin , Ataollah Khanları , İpek Aytaç
Published: 2022 , Journal of Polytechnic
DOI: 10.2339/politeknik.1025494
FAVORITE 0 TOTAL DOWNLOAD COUNT 2328

0

2328

The Model of “Free Investment & Centralised Management” in Renewable Energy Production Projects
Authors: Selman Demirkesen , Halil Variyenli
Published: 2021 , International Journal of Energy Studies
DOI: -
FAVORITE 0 TOTAL DOWNLOAD COUNT 924

0

924

Experimental Investigation of The Performance of CuO - Graphene Nanoplatelet / Water Hybrid Nanofluid in Concentric Tube Heat Exchanger
Authors: Yetkin Şen , Halil Variyenli
Published: 2021 , International Journal of Energy Studies
DOI: -
FAVORITE 0 TOTAL DOWNLOAD COUNT 567

0

567

Analyzing the Environmental Effects of Conventional and Condensing Combi Boilers Using Natural Gas
Authors: Halil İbrahim Variyenli , Ataollah Khanları
Published: 2020 , Journal of Polytechnic
DOI: 10.2339/politeknik.592313
FAVORITE 0 TOTAL DOWNLOAD COUNT 1704

0

1704

Enhancing the Performance of Cooling Systems by Cooling Condenser: Adıyaman Case Study
Authors: Halil Variyenli , Abdulkadir Şener , Ataollah Khanları , Emine Yağiz Gürbüz
Published: 2020 , Duzce University Journal of Science and Technology
DOI: 10.29130/dubited.723895
FAVORITE 1 TOTAL DOWNLOAD COUNT 1067

1

1067

Investigating environmental effects of different combi boilers using LPG
Authors: Halil İbrahim Varıyenlı , Faraz Afsharı , Ataollah Khanları
Published: 2019 , El-Cezeri
DOI: 10.31202/ecjse.577861
FAVORITE 0 TOTAL DOWNLOAD COUNT 1232

0

1232

The Conversion to Electric Energy of Waste Heat Enegy in Hermetic Gas Burning Devices
Authors: Halil İbrahim Variyenli , Koray Göktekin
Published: 2018 , Journal of Polytechnic
DOI: 10.2339/politeknik.418849
FAVORITE 0 TOTAL DOWNLOAD COUNT 3892

0

3892

Comparison Of Performances Of Solar Energy Assisted Drying Ovens With Flat And Incarcerating Surface For Kiwi Drying
Authors: Halil İbrahim Variyenli
Published: 2018 , Journal of Polytechnic
DOI: 10.2339/politeknik.428011
FAVORITE 0 TOTAL DOWNLOAD COUNT 1534

0

1534

Bir Termik Santralin Performans Analizi ve Rehabilitasyon Metotları
Authors: Mustafa Bahadır Özdemir , Tayfun Menlik , Halil İbrahim Variyenli , Levent Sevin
Published: 2017 , Journal of Polytechnic
DOI: 10.2339/politeknik.369120
FAVORITE 0 TOTAL DOWNLOAD COUNT 7600

0

7600

Sıvıların ve Gazların Isıl İletkenlik Katsayısını Belirleyebilmek için Laboratuvar Tipi Bir Deney Cihazının Tasarımı, İmalatı ve Test Edilmesi
Authors: Halil İbrahim Variyenli , Cihangir Arslan
Published: 2017 , Journal of Polytechnic
DOI: -
FAVORITE 0 TOTAL DOWNLOAD COUNT 10257

0

10257

Articles published in
Duzce University Journal of Science and Technology
Duzce University Journal of Science and Technology
El-Cezeri
El-Cezeri
Gazi University Journal of Science Part C: Design and Technology
Gazi University Journal of Science Part C: Design and Technology
International Journal of Energy Studies
International Journal of Energy Studies
Journal of Polytechnic
Journal of Polytechnic
Mediterranean Agricultural Sciences
Mediterranean Agricultural Sciences
Editorship
Gazi University Journal of Science Part C: Design and Technology
Gazi University Journal of Science Part C: Design and Technology
Section Editor

Reviews

El-Cezeri
El-Cezeri
Erzincan University Journal of Science and Technology
Erzincan University Journal of Science and Technology
Gazi Journal of Engineering Sciences
Gazi Journal of Engineering Sciences
Gazi University Journal of Science Part C: Design and Technology
Gazi University Journal of Science Part C: Design and Technology
Gümüşhane University Journal of Science and Technology
Gümüşhane University Journal of Science and Technology
International Journal of Energy Studies
International Journal of Energy Studies
Journal of Polytechnic
Journal of Polytechnic
Mühendis ve Makina
Mühendis ve Makina

Publications

Yakın Yüzey Bertaraf Tesislerinin Maliyetlendirilmesi, Türkiye için Senaryo Analizi
Authors: Semih Sadi Kılıç , Halil İbrahim Variyenli
Published: 2023 , Gazi University Journal of Science Part C: Design and Technology
DOI: 10.29109/gujsc.1395633
CITED 1 FAVORITE 0 TOTAL DOWNLOAD COUNT 1138

1

0

1138

Experimental Investigation of the Effect of Using Thermostatic Radiator Valve on Energy Efficiency in Buildings
Authors: Tuncay Karaçam , Halil Variyenli , Kerim Martin , Ataollah Khanları , İpek Aytaç
Published: 2022 , Journal of Polytechnic
DOI: 10.2339/politeknik.1031156
CITED 1 FAVORITE 0 TOTAL DOWNLOAD COUNT 2725

1

0

2725

Experimental Evaluation of Installation Cleaning in terms of Energy Efficiency in Individual Heating Systems
Authors: Muhammet Yürük, Halil Variyenli , Kerim Martin , Ataollah Khanları , İpek Aytaç
Published: 2022 , Journal of Polytechnic
DOI: 10.2339/politeknik.1025494
CITED 2 FAVORITE 0 TOTAL DOWNLOAD COUNT 2328

2

0

2328

Analyzing the Environmental Effects of Conventional and Condensing Combi Boilers Using Natural Gas
Authors: Halil İbrahim Variyenli , Ataollah Khanları
Published: 2020 , Journal of Polytechnic
DOI: 10.2339/politeknik.592313
CITED 2 FAVORITE 0 TOTAL DOWNLOAD COUNT 1704

2

0

1704

The Conversion to Electric Energy of Waste Heat Enegy in Hermetic Gas Burning Devices
Authors: Halil İbrahim Variyenli , Koray Göktekin
Published: 2018 , Journal of Polytechnic
DOI: 10.2339/politeknik.418849
CITED 1 FAVORITE 0 TOTAL DOWNLOAD COUNT 3892

1

0

3892

Comparison Of Performances Of Solar Energy Assisted Drying Ovens With Flat And Incarcerating Surface For Kiwi Drying
Authors: Halil İbrahim Variyenli
Published: 2018 , Journal of Polytechnic
DOI: 10.2339/politeknik.428011
CITED 2 FAVORITE 0 TOTAL DOWNLOAD COUNT 1534

2

0

1534

Bir Termik Santralin Performans Analizi ve Rehabilitasyon Metotları
Authors: Mustafa Bahadır Özdemir , Tayfun Menlik , Halil İbrahim Variyenli , Levent Sevin
Published: 2017 , Journal of Polytechnic
DOI: 10.2339/politeknik.369120
CITED 2 FAVORITE 0 TOTAL DOWNLOAD COUNT 7600

2

0

7600

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