Güncel Gönderiler: Makine Mühendisliği Bölümü Koleksiyonu
Toplam kayıt 286, listelenen: 141-160
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Machine learning models to estimate the elastic modulus of weathered magmatic rocks
(Springer, 2021)In recent years, several soft computing models have been proposed to estimate the elastic modulus of magmatic rocks. However, there are lacks in models that consider the different weathering degrees in determining the ... -
Thin film coated windows towards low/zero carbon buildings: Adaptive control of solar, thermal, and optical parameters
(Elsevier, 2021)Thin film coated windows are considered as the future of fenestration market owing to their characteristic features such as solar radiation and visible light control, UV and IR rejection and promising U-value range. Within ... -
Optimization of strength, ductility and wear resistance of low-carbon grade A shipbuilding steel by post-ECAP annealing
(EDP Sciences, 2021)Effect of equal channel angular pressing (ECAP) and subsequent annealing on the microstructure, mechanical properties and tribological behavior of grade A shipbuilding steel was investigated. Coarse-grained microstructure ... -
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 ... -
Effect of double cross sectional ratio on performance characteristics of pulsating heat pipes
(Elsevier, 2021)Effect of double cross sectional ratio on performance characteristics of pulsating heat pipes is experimentally investigated. The cross sectional ratios in the evaporator and condenser sides are different from each other, ... -
Harmonic problems in renewable and sustainable energy systems: A comprehensive review
(Elsevier, 2021)Harmonics are known as distortions in the form of voltage and current, which are driven by the nonlinear loads in the network. Harmonics can be basically asserted as the most common problem in renewable-based power generation ... -
Performance analysis of a novel solar desalination system - Part 2: The unit with sensible energy storage with thermal insulation and cooling system
(Elsevier, 2021)Solar assisted desalination systems have an unequivocal potential to meet water demand with their eco-friendly, sustainable and low cost features in the face of the decrease in water resources and increasing costs worldwide. ... -
A systematic review of thermal insulation performance of hollow bricks as a function of hollow geometry
(Taylor & Francis Ltd., 2021)The amount of energy needed for HVAC (Heating, Ventilation and Air Conditioning) systems in the building depends on a variety of factors, and one of the most important is the conduction load through the building envelope. ... -
Microstructural, mechanical and tribological characterization of Cu-Co-Ni-Be alloy processed via equal channel angular pressing
(Elsevier, 2021)Effects of different processes including various combinations of equal channel angular pressing (ECAP) and aging on the microstructure, mechanical and tribological properties of the quadruple Cu-Co-Ni-Be alloy were ... -
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. ... -
Experimental investigation and force analysis of flat-plate type pulsating heat pipes having ternary mixtures
(Pergamon-Elsevier Science Ltd., 2021)Comprehensive experiments are conducted to analyze complex heat transfer characteristics and flow nature of a flat plate closed loop pulsating heat pipe charged with ternary mixtures. Consecutive channels of the heat pipe ... -
Hybrid floating solar plant designs: A review
(MDPI, 2021)The world's demand for electricity will double by 2050. Despite its high potential as an eco-friendly technology for generating electricity, solar energy only covers a small percentage of the global demand. One of the ... -
Hava değişim katsayısının kirleticileri uzaklaştırma performansına etkisinin incelenmesi
(Gazi Üniversitesi, 2021)In this study, the effect of air change rate on particle dispersion is investigated experimentally and numerically for different contaminant source positions. An experimental study is carried out on a reduced scale model ... -
Energy analysis of utility-scale PV plant in the rain-dominated tropical monsoon climates
(Elsevier, 2021)To limit the adverse impact of fossil fuel-generated power, energy generation from solar photovoltaic (PV) power is gaining importance. A lot of utility-scale PV power plants are being installed in tropical regions owing ... -
Development of optical, microstructural and mechanical properties of porcelain stonewares
(International Institute for the Science of Sintering, 2021)New production systems developed in recent years made it possible to improve different aesthetic appearance and large sizes for porcelain stonewares. In order to produce these tiles, optical and mechanical properties of ... -
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, ... -
A perspective of COVID 19 impact on global economy, energy and environment
(Taylo & Francis Ltd., 2021)COVID-19 or novel coronavirus is not only an international emergency for public health but also has significant consequences on energy, economy, and environment. Although much of the World's attention is understandably ... -
Performance assessment of solar chimney power plants with the impacts of divergent and convergent chimney geometry
(Oxford University Press, 2021)Influence of area ratio (AR) on main performance parameters of solar chimney power plants (SCPPs) is investigated through a justified 3D axisymmetric CFD model. Geometric characteristics of Manzanares pilot plant (MPP) are ... -
Effect of heat treatment on mechanical and wear properties of Zn-40Al-2Cu-2Si alloy
(Elsevier, 2021)In order to determine the effect of heat treatment on the mechanical and wear properties of Zn-40Al-2Cu-2Si alloy, different heat treatments including homogenization followed by air-cooling (H1), homogenization followed ... -
Experimental study on machinability of pre-hardened Toolox 44 and Nimax mould steels
(Gazi Üniversitesi Mühendislik Mimarlık Fakültesi, 2021)In this study, the machinability of Nimax and Toolox 44 materials, which are among the mould steels was investigated experimentally. Cutting experiments were carried out with PVD-AlCrN coated carbide end mill using three ...