Başlık için Makine Mühendisliği Bölümü Koleksiyonu listeleme
Toplam kayıt 252, listelenen: 130-149
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IGECVI-special issue-Energy and exergy modeling of advance energy systems
(Pergamon-Elsevier Science Ltd, 2012)Dear Colleagues, Energy and exergy are unifying concepts that extend all sciences, and are of fundamental importance in issues of climate change and environment, and use of energy resources. Exergy analysis is a powerful ... -
Impact of tower diameter on power output in solar chimney power plants
(2021)Güneş bacası güç santralleri düşük bakım maliyetleri ve sıfır CO2 salınımları ile çok cazip güneş enerjisi sistemleridir. İlk uygulaması olan Manzanares tesisinden sonra geometrik ve iklimsel parametrelerin sisteme etkisi ... -
Impacts of edge seal material on thermal insulation performance of athermally resistive photovoltaic glazing: CFD research withexperimental validation
(Erol Kurt, 2019)A novel design of photovoltaic (PV) glazing technology called TRPVG is introduced within thescope of this research, and thermal insulation performance of TRPVG for different edge sealmaterials is evaluated through a ... -
Impacts of ground slope on main performance figures of solar chimney power plants: a comprehensive cfd research with experimental validation
(Hindawi, 2021)Geometric parameters in solar chimney power plants are numerically optimised for the purpose of better power output figures. Several parameters have been investigated in the pilot plant such as chimney height and diameter, ... -
Improving thermal performance of thermoelectric coolers (TECs) through a nanofluid driven water to air heat exchanger design: An experimental research
(Pergamon-Elsevier Science Ltd, 2020)In this study, impacts of nanofluid use in thermoelectric coolers (TECs) on cooling power and main performance parameters are investigated through a comprehensive experimental methodology. For this purpose, a water cooled ... -
Improving thermal power of a cylindrical solar cooker via novel micro/nano porous absorbers: A thermodynamic analysis with experimental validation
(Pergamon-Elsevier Science Ltd, 2018)In this paper, cylindrical solar cookers with microporous absorbers are experimentally and numerically investigated in terms of thermodynamic performance figures. For a typical spring day in Bayburt, which is a good example ... -
Influence of downstream cross-sectional area ratio on flow boiling characteristics of expanding micro pin fin heat sinks
(Elsevier, 2023)In the present study, influence of downstream cross-sectional area ratio on flow boiling behavior of expanding micro-pin-fin heat sinks was experimentally studied. Three structured micro-pin-fin heat sinks, namely, Type1, ... -
The influence of exhaust gas recirculation on the characteristics of compression ignition engines powered by tamanu methyl ester
(Oxford University Press, 2022)This study aims to assess the performance of compression ignition (CI) engine powered with various biodiesels. The engine used for this test was a single-cylinder, water-cooled, naturally aspirated, CI engine. The biodiesels ... -
Influence of Ge content and annealing conditions on the PL properties of nc-Si1-xGex embedded in SiO2 matrix in weak quantum confined regime
(Elsevier Science Bv, 2014)Fabrication of Si (nc-Si), Ge (nc-Ge), and Si1-xGex (nc-Si1-xGex) nanocrystals embedded in SiO2 matrix is achieved by thermal annealing of magnetron-sputtered thin films. Effects of annealing conditions, namely duration ... -
Influence of ventilation strategies on dispersion and removal of fine particles: An experimental and simulation study
(Taylor & Francis Inc, 2020)In this study, effect of inlet/outlet configurations on the dispersion and removal of fine particles are examined experimentally and numerically. Ten different inlet/outlet configurations are tested for three different ... -
Integration of smart grid with renewable energy sources: Opportunities and challenges – A comprehensive review
(Elsevier, 2023)Renewable energy is the most promising solution to the rising problem of greenhouse gas emissions, and it also contributes to environmental protection. A typical electrical grid is a unidirectional system that converts ... -
Interleukins: Pathogenesis in non-alcoholic fatty liver disease
(MDPI, 2024)Inflammatory cytokines have been implicated as crucial contributors to the onset and progression of non-alcoholic fatty liver disease (NAFLD). The exact mechanisms by which interleukins (ILs) contribute to NAFLD may vary, ... -
Investigation of flat plate type pulsating heat pipes via flow visualization-assisted experiments: Effect of cross sectional ratio
(Elsevier, 2021)In the present study, combined influence of filling ratio, geometry, inclination angle and heating power on heat transfer characteristics of the pulsating heat pipes (PHPs) are investigated accompanying analysis of complex ... -
Investigation of micro-tube solid oxide fuel cell fabrication using extrusion method
(Pergamon-Elsevier Science Ltd, 2016)Extrusion is one of the most effective and inexpensive methods used in the production of ceramic tubes for tubular or micro-tubular solid oxide fuel cell (SOFC) applications. in this method, the parameters such as the ... -
Investigation of photoluminescence mechanisms from SiO2/Si:SiO2/SiO2 structures in weak quantum confined regime by deconvolution of photoluminescence spectra
(Amer Scientific Publishers, 2016)Si nanocrystals embedded in SiO2 matrix were prepared by co-sputtering method followed by a post annealing process in N-2 ambient. By fixing sputtering parameters, the effects of annealing time and annealing temperature ... -
Investigation of temperature distribution and performance of SOFC short stack with/without machined gas channels
(Pergamon-Elsevier Science Ltd, 2016)Solid oxide fuel cells (SOFCs) generate clean energy via electrochemical reactions at high operating temperatures. the distribution of the electrochemical reactions in the cell depends on the flow field design of the ... -
Investigation of the cutting forces and surface roughness in milling carbon fiber reinforced polymer composite material
(Inst Za Kovinske Materiale I in Tehnologie, 2016)In this study, milling of a carbon-fiber-reinforced polymer composite material (CFRP) was investigated experimentally using various carbide end mills. the input parameters included the spindle speed, feed rate and cutting ... -
Investigation of the effects of miscible and immiscible binary fluids on thermal performance of pulsating heat pipes
(Springer, 2021)Present paper reports and discusses experimental results related to thermal and flow characteristics of asymmetrical designed flat plate closed loop pulsating heat pipe charged with miscible and immiscible binary fluids. ... -
Investigation on the fatigue behavior of 7075 aluminum alloy at different aging states
(Elsevier, 2023)To study the effect of the aging state on the low-cycle fatigue (LCF) performance of 7075 Al alloy, LCF experiments with different strain amplitudes (& UDelta;& epsilon;/2 = 0.5%- & UDelta;& epsilon;/2 = 0.9%) were conducted ... -
Kokil kalıba döküm yöntemi ile üretilmiş Al-12Si-(0,02-1)Sr alaşımlarının CVD-TiCN/Al2O3/TiN kaplamalı kesici uç ile tornada işlenmesinde kesme kuvveti ve yüzey pürüzlülüğü üzerine deneysel çalışma
(Gazi Üniversitesi , Fen Bilimleri Enstitüsü, 2022)In this study, three Al-12Si-Sr alloys containing different ratios (0.02; 0.1 and 1%) strontium (Sr) were manufactured by the permanent mold casting method. The microstructures of the manufactured alloys were determined ...
