• Thermoeconomic performance evaluation and optimization of a geothermal heat pump system for greenhouse heating in low-temperature resources 

  Yılmaz, Ceyhun; Arslan, Muhammed; Tokgöz, Nehir; Kunt, Mehmet (Elsevier, 10/2025)

  This study presents the design and thermoeconomic performance analysis of a geothermal-assisted heat pump system for greenhouse heating in regions with low-temperature geothermal resources. The aim is to explore efficient ...

• High-efficiency thermoeconomic approach for multi-generation at Afyon biogas power Plant: Electricity, liquid hydrogen, liquid carbon dioxide and hot water 

  Arslan, Muhammed (Elsevier, 02/09/2025)

  This study proposes a high-efficiency multi-generation model for the Afyon Biogas Power Plant (ABP), which has a 4000 kW electricity generation capacity. In addition to electricity production, the proposed model integrates ...

• Hi̇leli̇ fi̇nansal tabloların tespi̇ti̇nde veri̇ madenci̇li̇ği̇ uygulamaları: Mevcut araştırma eği̇li̇mleri̇ni̇n i̇ncelenmesi̇ (2006-2024) 

  Kandemir, Tuğrul; Kardeş, Zafer (Kamu İç Denetçileri Derneği, 03.09.2025)

  Finansal piyasaların giderek karmaşıklaşması ve mevcut verilerin katlanarak artması, hileli finansal tablo tespitini kritik ve zor bir konu haline getirmiştir. Büyük hacimli verilerden ve finansal verilerin karmaşıklığından ...

• Bobi Frs’nin getirdiği değişikliklere bağımsız denetçilerin bakış açıları: Afyonkarahisar İlinde bir araştırma 

  Kandemir, Tuğrul; Kardeş, Zafer; Gökgöz, Halilibrahim (6th International Congress on Accounting and Finance Research (ICAFR’19), 2019)

  Bağımsız denetime tabi olup TMS/TFRS setini uygulamayan şirketler, 01.01.2018 tarihinden itibaren BOBİ FRS uygulamasına geçeceği, Kamu Gözetimi Kurumu (KGK) tarafından yayımlanan tebliğle açıklanmıştır. Dolayısıyla Kamu ...

• Thermoeconomic optimization of a geothermal-assisted hybrid LNG and power generation system: Simulation, performance assessment, and sustainability insights 

  Yılmaz, Ceyhun; Arslan, Muhammed; Tokgöz, Nehir; Özdemir, Safiye Nur (Elsevier, 25.05.2025)

  This study investigates the optimization and economic analysis of a geothermal-assisted hybrid natural gas liquefaction (LNG) and power generation system, integrating geothermal energy to enhance efficiency and sustainability. ...

• Thermodynamic and technoeconomic feasibility assessment on liquefaction of CO2 by-product of Afyon biogas power plant 

  Arslan, Muhammed (Dergi Park, 04/2025)

  The composition of the biogas produced in Afyon biogas power plant is approximately as follows: 55% CH4 (methane) - 40% CO2 (carbon dioxide)- 4.5% H2O (water) and trace amounts of other components. The methane produced is ...

• Thermal design and genetic algorithm optimization of geothermal and solar-assisted multi-energy and hydrogen production using artificial neural networks 

  Yılmaz, Ceyhun; Arslan, Muhammed; Özdemir, Safiye Nur; Tokgöz, Nehir (Pergamon, 01/06/2025)

  A comprehensive thermodynamic and economic analysis of an innovative multiple energy and hydrogen production system that integrates solar and geothermal energy sources is presented in the study. The system is operated and ...

• Biyodizele dimetil karbonat ve dibütil maleat katkısının motor performansı ve emisyonlar üzerindeki etkilerinin incelenmesi 

  Uyumaz, Ahmet; Aksoy, Fatih; Aksoy, Laçine; Solmaz, Hamit; Yılmaz, Emre; Kocakulak, Tolga; Babagiray, Mustafa; Arslan, Muhammed; Ardebili, Seyed Mohammad Safieddin (ISASTECH, 09/2023)

  Bu çalışmada, biyodizel üretimi için kanola yağı kullanılmıştır. Kanola yağından transesterifikasyon metodu ile biyodizel üretiminde alkali katalizör olarak sodyum hidroksit (NaOH) tercih edilmiştir. Transesterifikasyon ...

• Thermodynamic evaluation and optimization of organic rankine cycle integration for waste heat recovery to Afyon biogas plant 

  Arslan, Muhammed; Yılmaz, Ceyhun (Gaziantep Üniversitesi, 20.12.2021)

  The increasing need for energy day by day has directed human beings from fossil fuels used as primary energy sources to alternative sources. However, fossil fuels are expensive, harmful to the environment, and will be ...

• Bi̇yogaz santralleri̇ i̇le i̇lgi̇li̇ son geli̇şmeleri̇n gözden geçi̇ri̇lmesi̇ 

  Arslan, Muhammed; Yılmaz, Ceyhun (ISPEC PROCEEDING BOOK, 01/06/2020)

  Enerji, insanlar için her geçen gün artan bir gereksinimdir. Buna ek olarak, enerji modern uygarlığın gelişimini hızlandırmış ve ülkelerin gelişmişlik düzeylerinin bir göstergesi haline gelmiştir. Bir ülkenin enerji ...

• Afyon biyogaz enerji santrali çoklu-hidrojen üretim sürecinin termodinamik ve termoekonomik analizi ve farklı optimizasyon metotlarıyla çok boyutlu optimizasyonu 

  Arslan, Muhammed (Mingachevir State University, 18/04/2024)

  ABES (Afyon Biyogaz Enerji Santrali) tavuk gübresinden elde edilen biyogazdan 4 MW elektrik gücü üreten bir santraldir. Ancak ABES yüksek enerjili atık egzoz gazını enerjisinden faydalanmadan atmosfere salmaktadır. Bu ...

• V tipi bir stirling motoruna ait tasarım, imalat ve performans testleri 

  Solmaz, Hamit; Aksoy, Fatih; Arslan, Muhammed; Çınar, Can (Isparta Ün)

  Bu çalışmada, değişken faz açılı alfa tipi bir Stirling motorunun termodinamik analizi yapılmış ve faz açısının motor gücüne etkisi araştırılmıştır. Motorun faz açısı 70°, 80° ve 90° olmak üzere değiştirilmiştir. Güç ...

• Thermodynamic optimization and thermoeconomic evaluation of Afyon biogas plant assisted by organic rankine cycle for waste heat recovery 

  Arslan, Muhammed; Yılmaz, Ceyhun (Pergamon, 01.06.2022)

  The use of biomass in energy conversions is important for a renewable and sustainable energy future. Compared to other renewable energy sources, biomass is one of the important advantages of being stored and used in times ...

• Evaluation of multi–hydrogen production for Afyon biogas plant from excess methane and by–product hydrogen sulfide through desulfurization process 

  Arslan, Muhammed; Yılmaz, Ceyhun (Elsevier, 28/11/2024)

  This study presents a detailed computational simulation of a hybrid hydrogen production system that integrates steam methane reforming (SMR) and hydrogen sulfide (H₂S) electrolysis, coupled with waste heat recovery, at the ...

• Rejeneratörsüz beta ti̇pi̇ bi̇r sti̇rli̇ng motorunun performans testleri̇ 

  Aksoy, Fatih; Solmaz, Hamit; Çınar, Can; Akyel, Ersen; Arslan, Muhammed; Babagiray, Mustafa; Uyumaz, Ahmet (INCOS2018, 27.04.2018)

  Bu çalışmada, beta tipi rhombic hareket mekanizmalı bir Stirling motorunun performans testleri yapılmıştır. Motordan elde edilen gücü artırmak, gürültü ve titreşim seviyesini azaltmak amacıyla motorda rhombic hareket ...

• Design and optimization of multigeneration biogas power plant using waste heat recovery System: A case study with Energy, Exergy, and thermoeconomic approach of Power, cooling and heating 

  Arslan, Muhammed; Yılmaz, Ceyhun (Elsevier, 15.09.2022)

  This study modeled and analyzed transforming an operational biogas power plant into a trigeneration system with power, cooling, and heating. In this context, the energy, exergy, and optimum unit energy costs of this ...

• Effects of the regenerator on engine performance of a rhombic drive beta type stirling engine 

  Aksoy, Fatih; Solmaz, Hamit; Arslan, Muhammed; Yılmaz, Emre; İpci, Duygu; Calam, Alper (Taylor & Francis, 08/04/2021)

  Regenerative cycles have higher thermal efficiency than other closed cycles because of their heat recovery capability. In this manner, Stirling engines have advantage because regeneration can be applied easily to the cycle. ...

• Optimization of the operating conditions of a beta-type rhombic drive stirling engine by using response surface method 

  Solmaz, Hamit; Seyed, Mohammad Safieddin Ardebili; Aksoy, Fatih; Calam, Alper; Yılmaz, Emre; Arslan, Muhammed (Pergamon, 01.05.2020)

  The aim of this paper is to provide a multi-objective model to evaluate the effect of engine working parameters on the performance characteristics of a beta-type Stirling engine. The second objective of the study is to ...

• Development of models for green hydrogen production of Turkey geothermal Resources: A case study demonstration of thermodynamics and thermoeconomics analyses 

  Arslan, Muhammed; Yılmaz, Ceyhun (Elsevier, 01.03.2024)

  The transition to sustainable and clean energy sources has become imperative in the face of global climate change concerns. Hydrogen is a versatile and environmentally friendly energy carrier among the potential solutions. ...

• Design and optimization of a computer simulation model for green hydrogen production by waste heat recovery from Afyon biogas plant 

  Arslan, Muhammed; Kunt, Mehmet; Yılmaz, Ceyhun (Ceyhun YILMAZ, 01.12.2023)

  In this study, a thermodynamic model was designed with the Aspen Plus program and optimized multidimensionally of the Afyon biogas power plant to reduce the unit electricity cost and produce green hydrogen. The model ...

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