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Thermoeconomic performance evaluation and optimization of a geothermal heat pump system for greenhouse heating in low-temperature resources
(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
(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 ... -
Examination of post-earthquake trauma levels of individuals affected by february 6, 2023 earthquakes
(Cambridge University Press, 02.07.2025)Objectives: This study aimed to investigate the relationship between pre-earthquake and earthquake-related characteristics and post-earthquake trauma levels of individuals affected by the February 6, 2023 Kahramanmaraş ... -
Thermoeconomic optimization of a geothermal-assisted hybrid LNG and power generation system: Simulation, performance assessment, and sustainability insights
(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. ... -
Thermal design and genetic algorithm optimization of geothermal and solar-assisted multi-energy and hydrogen production using artificial neural networks
(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 ... -
Thermodynamic optimization and thermoeconomic evaluation of Afyon biogas plant assisted by organic rankine cycle for waste heat recovery
(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
(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 ... -
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
(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
(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
(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
(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. ... -
Factors affecting sukuk return and ıssuance: Insight from sukuk market of Türkiye
(Afyon Kocatepe Üniversitesi, 20.12.2024)Since the first sukuk issuance in 2001, sukuk transaction volumes have been increasing day by day in major financial markets. Sukuk has become an attractive investment tool, especially for US and EU investors, as well as ... -
Investigation of green hydrogen production and development of waste heat recovery system in biogas power plant for sustainable energy applications
(Pergamon, 12.08.2023)In this study, biogas power production and green hydrogen potential as an energy carrier are evaluated from biomass. Integrating an Organic Rankine Cycle (ORC) to benefit from the waste exhaust gases is considered. The ... -
Çağdaş dönemde sind ulemasının Kur’an’ı anlama ve yorumlamaya yönelik katkısı
(Afyon Kocatepe Üniversitesi, 15.06.2024)Bu makalede Kuzeydoğu Keşmir dağlarından Hint Okyanusuna dökülen Sind nehrinin doğu ve batısını kapsayan, belirli bölgeler dışında yaklaşık bugünkü Pakistan’ın tamamını içine alan bölgeye genel bir isim olarak verilen Sind ... -
Ignaz Goldziher’in hadislerin kitâbetiyle ilgili iddiaları üzerine bir değerlendirme
(Afyon Kocatepe Üniversitesi, 15.06.2024)Sözlü kültürlerin vazgeçilmez malzemesi hafızadır, ancak belleği takviye eden ve bilgileri unutulmaz kılanlar da yazılı kayıtlardır. Zira hafıza-i beşer nisyân ile mâluldür. Sahâbeden bazıları hadisleri Hz. Peygamber ... -
Global İslâmi hisse senedi endekslerinin Markov rejim değişim modeli ile incelenmesi
(Afyon Kocatepe Üniversitesi, 15.06.2024)İslâmi Endeksler veya Türkiye’deki adlandırmayla Katılım Endeksleri; İslâm hukukuna uygun olarak mal, hizmet üretimi ve ticaretini yapan şirketlerin hisse senetlerinin yer aldığı endekslerdir. Oluşturulan bu endeksler, ... -
DKAB öğretmenlerine göre din öğretiminde İslam düşüncesinde farklı yorumlar (mezhep) öğretimi üzerine nitel bir araştırma
(Afyon Kocatepe Üniversitesi, 15.06.2024)Dinler tarihi bütün büyük dinlerde bir tür mezhepleşme olgusunun varlığını ortaya koymaktadır. Mezhep, farklı anlayış ve uygulamaları içeren sosyal bir karaktere sahip olan dinin toplumdaki tezahürüdür. Bu kural İslâm dini ... -
Investigation of the performances of support vector machine, random forest, and 3D-2D convolutional neural network for hyperspectral image classification
(Universidad Nacional de Colombia, 17.07.2024)Classification of the hyperspectral images (HSIs) is one of the most challenging tasks hyperspectral remote sensing. Various Machine Learning classification algorithms have been implemented to HSI classification. In recent ... -
Developing a mobile application with geo-analytic tools to perform real estate valuation within smart cities
(Taylor and Francis, 05.03.2024)Urban land management policies and applications require comprehensive information about real estate development dynamics and value criteria. In this study, geo-analytic tools and a mobile app were produced for residential ... -
Kaolenin kırılma parametrelerine malzeme doluluk oranının etkisi
(2018)Bu çalışmada, malzeme doluluk oranının kaolen örneğinin kinetik modele dayalı öğütme özellikleri ve model parametrelerine etkileri araştırılmıştır. Bu amaçla, 0.106-0.045 mm arası √2 elek serisine göre 4 dar tane boyutu ...
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