Enerji Sistemleri Mühendisliği Bölümü Koleksiyonu: Recent submissions
Now showing items 1-20 of 104
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Assessing the current and future effects of Covid-19 on energy related-CO2 emissions in the United States using seasonal fractional grey model
(Elsevier Ltd, 2023)Accurate CO2 forecasting plays an important role in energy planning. However, in the annual forecasting studies on CO2 emissions, the seasonal effects cannot be predicted. To overcome this problem, this study proposed ... -
Thermo-hydraulic efficiency of lung-inspired compact plate heat exchangers made using additive manufacturing techniques with steel, aluminum and titanium powders
(Elsevier Ltd, 2024)The selection of material for compact plate heat exchangers (CPHEs) is of increasing importance due to global economic and supply constraints. Additionally, the influence of material selection on the thermo-hydraulic ... -
Design and experimental analysis of a parallel-flow photovoltaic-thermal air collector with finned latent heat thermal energy storage unit
(Elsevier Ltd, 2023)In this work, it is aimed to improve the performance of a photovoltaic-thermal (PVT) air collector using finned latent heat thermal energy storage unit. In this regard, four different types of parallel-flow PVT (PPVT) ... -
Optimal insulation of underground spherical tanks for seasonal thermal energy storage applications
(ELSEVIER, 2023)The literature deals specifically with compressed gas characteristics, solar radiation, storage volume and heat load fluctuation in aboveground storage and thermal energy storage (TES) applications. To prevent their negative ... -
Detailed thermodynamic analysis of the boiler-bubble pump region of a diffusion absorption refrigeration system: experimental and numerical study
(Springer Science and Business Media Deutschland GmbH, 2023)Global warming, inadequate natural sources and an energy crisis are significant concerns in this century. In this context, it has become important to use efficient energy technologies and reduce energy consumption in the ... -
Experimental Evaluation of a Photovoltaic/Thermal Air Heater with Metal Mesh-Integrated Thermal Energy Storage System
(MDPI, 2023)he objective of this study is to improve the performance of a hybrid photovoltaic/thermal (PV/T) air heater incorporating a thermal energy storage system (TESS) that uses paraffin and has metallic mesh layers. In the ... -
Advanced Exergoeconomic Assessment of CO2 Emissions, Geo-Fluid and Electricity in Dual Loop Geothermal Power Plant
(MDPI, 2023)Binary geothermal power plants (GPPs) are mostly encountered in geothermal fields with medium and low temperatures. The design and operation of dual binary GPPs can be difficult due to the geothermal fluid properties. This ... -
Enhancing the performance of an unglazed solar air collector using mesh tubes and Fe3O4 nano-enhanced absorber coating
(Elsevier Ltd, 2023)In the current article, it is intended to improve the performance of an unglazed solar air collector using mesh tubes as extended heat transfer surfaces and nano-enhanced black paint as a thermal conductivity booster of ... -
Life Cycle Assessment and Cumulative Energy Demand Analyses of a Photovoltaic/Thermal System with MWCNT/Water and GNP/Water Nanofluids
(MDPI, 2023)The global climate crisis has led society toward cleaner energy sources. Another reason is the limited reserves of fossil energy resources. Efforts to increase the efficiency of photovoltaic modules (PVs) have gained ... -
Energy and exergy analyses of a coal-fired micro-CHP system coupled engine as a domestic solution
(Elsevier Ltd, 2023)In this study, a coal-fired stoker boiler and a beta-type rhombic-drive Stirling engine were manufactured and tested. The performance of the coal boiler with a Stirling engine has been investigated experimentally for the ... -
Aerodynamic design and optimization of a small-scale wind turbine blade using a novel artificial bee colony algorithm based on blade element momentum (ABC-BEM) theory
(Elsevier Ltd, 2023)In this study, a novel optimization technique called the Artificial Bee Colony Algorithm based on Blade Element Momentum Theory (ABC-BEM) was developed and applied for the first time to design a small-scale wind turbine ... -
Life cycle cost assessment for thermal insulation of above-ground spherical container with different capacities in hot fluid storage processes
(Elsevier Ltd, 2023)Due to environmental and economic reasons, thermal energy saving has gained more importance especially in industry. This study is concerned with the application of insulation to improve thermal energy storage in spherical ... -
Experimental investigation of a double-flow photovoltaic/thermal air collector with natural dolomite powder-embedded thermal energy storage unit
(Springer, 2023)Photovoltaic/thermal (PV/T) systems have ability the produce both electrical and thermal energy in a same surface area. Additionally, utilizing PV/T systems help to reduce the solar panel temperature and therefore, improving ... -
Multiple Brain Tumor Classification with Dense CNN Architecture Using Brain MRI Images
(MDPI, 2023)Brain MR images are the most suitable method for detecting chronic nerve diseases such as brain tumors, strokes, dementia, and multiple sclerosis. They are also used as the most sensitive method in evaluating diseases of ... -
The effect of temperature distribution on parabolic triangular-based CPVT system performances: Electrical and thermal perspectives
(Elsevier Ltd, 2023)The performance of photovoltaic (PV) and photovoltaic-thermal (PVT) systems is affected by environmental parameters and working conditions such as, partial shading, refrigerant and operating temperature. This study focuses ... -
External cost of pollutant emissions in Turkey
(Institute of Physics, 2023)External costs that occur in the use of energy resources are one of the most important criteria in determining energy and environmental policies. For this purpose, it is important to know the external costs of any energy ... -
Experimental Investigation of a Concentrating Bifacial Photovoltaic/Thermal Heat Pump System with a Triangular Trough
(MDPI, 2023)The heat absorbed by the heat transfer fluid for cooling a concentrated photovoltaic thermal (CPVT) solar collector can be used for purposes such as residential heating and cooking. Because of the combined production of ... -
Design and analysis of new solar-powered sustainable dryers: Alfalfa crop
(John Wiley and Sons Inc, 2022)Decreasing carbon emissions is possible with the usage of renewable energy sources. Therefore, the usage of renewable energy has increased in the last decade. Due to the fact that the drying process of agricultural products ... -
Isıtma Enerji Tüketiminin Erzurum İçin Tahmini
(Makine Mühendisleri Odası, 2022)Bu çalışmada Devlet Meteoroloji Genel Müdürlüğü'nden Erzurum için temin edi len 1972-2018 yılları arasındaki meteorolojik veri seti kullanılmıştır. Visual Basic programında geliştirilen bir yazılımla dış hava sıcaklığı 18 ... -
Performance Assessment of a Novel Solar and Biomass-Based Multi-Generation System Equipped with Nanofluid-Based Compound Parabolic Collectors
(MDPI, 2022)The current paper proposes a novel multi-generation system, integrated with compound parabolic collectors and a biomass combustor. In addition to analyzing the comprehensive system in a steady state, the feasibility of ...
