Ahmet Z. Şahin
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View article: Economic assessment of industrial solar water heating system
Economic assessment of industrial solar water heating system Open
In the present work, solar water heating systems having nominal water usage of 24 cubic meters per day are considered. To identify the better option, both technologically and economically, a typical geographical location in Saudi Arabia, n…
View article: Aeroelastic analysis of straight-bladed vertical axis wind turbine blade
Aeroelastic analysis of straight-bladed vertical axis wind turbine blade Open
To prevent flutter phenomena in a wind turbine, minimize vibration and increase the blades' life, a systematic analysis is required to investigate the effects between the cyclic aerodynamic loads and the structural performance of the turbi…
View article: On the mechanism of droplet rolling and spinning in inclined hydrophobic plates in wedge with different wetting states
On the mechanism of droplet rolling and spinning in inclined hydrophobic plates in wedge with different wetting states Open
A water droplet rolling and spinning in an inclined hydrophobic wedge with different wetting states of wedge plates is examined pertinent to self-cleaning applications. The droplet motion in the hydrophobic wedge is simulated in 3D space i…
View article: Solution Crystallization of Polycarbonate Surfaces for Hydrophobic State: Water Droplet Dynamics and Life Cycle Assessment towards Self-Cleaning Applications
Solution Crystallization of Polycarbonate Surfaces for Hydrophobic State: Water Droplet Dynamics and Life Cycle Assessment towards Self-Cleaning Applications Open
Polycarbonate sheets are optically transparent and have the potential to be used as one of the cover materials for PV applications. Solution treatment of polycarbonate surfaces enables to create surface texture topology giving rise to a hy…
View article: Sliding Water Droplet on Oil Impregnated Surface and Dust Particle Mitigation
Sliding Water Droplet on Oil Impregnated Surface and Dust Particle Mitigation Open
Self-cleaning of surfaces becomes challenging for energy harvesting devices because of the requirements of high optical transmittance of device surfaces. Surface texturing towards hydrophobizing can improve the self-cleaning ability of sur…
View article: The Criticism of Abuse of Religion in the Novel of Animal Farm by George Orwell
The Criticism of Abuse of Religion in the Novel of Animal Farm by George Orwell Open
After Tsarist Russia had come to an end as a result of the popular uprisings in Russia in 1917, when the First World War continued, a new state named the Union of Soviet Socialist Republics (USSR) was established by the Bolsheviks in a wid…
View article: Dust removal from a hydrophobic surface by rolling fizzy water droplets
Dust removal from a hydrophobic surface by rolling fizzy water droplets Open
Here, environmental dust cleaning from an inclined hydrophobic surface by rolling liquid droplets has been studied and the influence of fluid droplets on the dust removal rate has been examined.
View article: Solar energy harvesting and a water droplet cleaning of micropost arrays surfaces
Solar energy harvesting and a water droplet cleaning of micropost arrays surfaces Open
Solar energy harvesting in dusty environments initiates many challenges for sustainable operation of photovoltaic panels. Environmental dust reduces photovoltaic device performance and requires regular cleaning of active surfaces. Self-cle…
View article: Investigation of the Effects of North Atlantic Oscillation and Arctic Oscillation on Samsun Precipitation
Investigation of the Effects of North Atlantic Oscillation and Arctic Oscillation on Samsun Precipitation Open
Global atmospheric indices are effective on manyhydrometerological parameters. North Atlantic Oscillation and the ArcticOscillation is one of oscillations that act on Turkey. In this study, therelationship between the annual and seasonal p…
View article: Measurement of Similarity in Academic Contexts
Measurement of Similarity in Academic Contexts Open
We propose some reflections, comments and suggestions about the measurement of similar and matched content in scientific papers and documents, and the need to develop appropriate tools and standards for an ethically fair and equitable trea…
View article: Numerical investigation of the solutions of Schrodinger equation with exponential cubic B-spline finite element method
Numerical investigation of the solutions of Schrodinger equation with exponential cubic B-spline finite element method Open
In this paper, we investigate the numerical solutions of the cubic nonlinear Schrodinger equation via the exponential B-spline collocation method. Crank-Nicolson formulas are used for time discretization of the target equation. A lineariza…
View article: PERFORMANCE ANALYSIS OF A THERMOELECTRIC POWER GENERATOR UNDER VOLUMETRIC CONSTRAINT
PERFORMANCE ANALYSIS OF A THERMOELECTRIC POWER GENERATOR UNDER VOLUMETRIC CONSTRAINT Open
The efficiency of a thermoelectric power generator can be optimized through proper sizing of the device geometric configurations. In the present study, pin length optimization of the thermoelectric generator for a fixed total pin volume is…
View article: Entropy generation due to external fluid flow and heat transfer from a cylinder between parallel planes
Entropy generation due to external fluid flow and heat transfer from a cylinder between parallel planes Open
In the present study, second law analysis is introduced for circular cylinder confined between parallel planes. An analytical approach is adopted to study the effects of block age, Reynolds and Prandtl numbers on the entropy generation due…