Güncel Gönderiler: Fakülteler
Toplam kayıt 1807, listelenen: 221-240
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Conceptual design and optimal sizing of a small unmanned aerial vehicle with fuel cell and battery-powered hybrid propulsion system by meta-heuristic algorithms based on energy consumption
(Taylor and Francis, 2023)In this paper, a new conceptual design methodology for a hybrid propulsion system consisting of the battery and hydrogen fuel cells is presented based on the minimum energy consumption of the UAV. In this context, an ... -
Presence of microplastic in the Patella caerulea from the northeastern Mediterranean Sea
(Elsevier, 2023)This study reports first evidence of microplastic detection in the Patella caerulea collected from 5 different stations located in İskenderun Bay and Mersin Bay. A total of 160 P. caerulea specimens were examined and 40 ... -
Novel Properties of q-Sine-Based and q-Cosine-Based q-Fubini Polynomials
(MDPI, 2023)The main purpose of this paper is to consider q-sine-based and q-cosine-Based q-Fubini polynomials and is to investigate diverse properties of these polynomials. Furthermore, multifarious correlations including q-analogues ... -
Microwave Imaging Approach for Breast Cancer Detection Using a Tapered Slot Antenna Loaded with Parasitic Components
(MDPI, 2023)In this paper, a wideband antenna is proposed for ultra-wideband microwave imaging applications. The antenna is comprised of a tapered slot ground, a rectangular slotted patch and four star-shaped parasitic components. The ... -
Absorbing the entire X-band via conductive polymer polyaniline coated Y3Fe5O12/NiFe2O4 hybrid composites
(Springer, 2023)Conductive polymer coated Y3Fe5O12 (YIG)/NiFe2O4 (NFO) hybrid radar absorbing composites were studied in this work. The magnetic YIG and NFO particles were synthesized by sol-gel method, and then covered with a conductive ... -
Development of a Three-Dimensional CFD Model and OpenCV Code by Comparing with Experimental Data for Spillway Model Studies
(MDPI, 2023)This article presents a three-dimensional CFD model and OpenCV code by comparing the flow over the spillway with the experimental data for use in spillway studies. A 1/200-scale experimental model of a real dam spillway ... -
Experimental and Numerical Study on Flow Control Using 3-Array Submerged Vane in Laboratory Channel Bend
(MDPI, 2023)Regulation structures such as submerged vane are needed to reduce and eliminate environmental damage due to increased flooding in rivers. In particular, scours on the outer bank due to increased flow velocities cause the ... -
Geochemical, mineralogical and diagenetic characteristics of marine chert in the Hatay region, S-Turkey: Its origin and depositional environment
(Carpathian Journal of Earth and Environmental Sciences, 2023)Trace elements and rare earth elements (REEs) were studied to determine the formation of chert and siliceous limestones, which are predominantly observed in the Okçular formation. Cherts are divided into four types according ... -
Decision making in the manufacturing environment using the technique of precise order preference
(Yildiz Technical University, 2023)Wrong decisions in manufacturing systems can jeopardize the continuity of production and reduce productivity and efficiency. Therefore, it is essential to make the right decisions in solving the problems encountered in ... -
High-temperature effect on mechanical properties of fiber reinforced concretes including waste tire rubber
(Wiley, 2023)In this paper, concretes including three different fiber types (carbon steel fiber [CSF], forta ferro fiber [FFF], and polypropylene fiber [PPF]) with different percentages by volume (0.5%, 1%, and 1.5%) and crumb rubber ... -
Deep-learning-based precise characterization of microwave transistors using fully-automated regression surrogates
(Nature Research, 2023)Accurate models of scattering and noise parameters of transistors are instrumental in facilitating design procedures of microwave devices such as low-noise amplifiers. Yet, data-driven modeling of transistors is a challenging ... -
Experimental analysis of hydrogen storage performance of a LaNi5-H2 reactor with phase change materials
(Elsevier, 2023)Energy storage, especially thermal energy storage, has an important place in terms of efficient use of energy. Systems in which phase change materials (PCMs) are used are among the thermal energy storage (TES) options, ... -
Technoeconomic Analysis of Fuel Cell Vehicle-to-Grid (FCV2G) System Supported by Photovoltaic Energy
(Wiley, 2023)The investigation of fuel cell vehicles (FCVs) connected to grid (FCV2G) technology regarding the reduction of consumer costs is proposed. Herein, the key contribution is to investigate the energy and profit analysis aspects ... -
Investigation into the influence of boronizing on the wear behavior of additively manufactured Inconel 625 alloy at elevated temperature
(Springer, 2023)Directed energy deposition (DED) technology is a cost-effective additive manufacturing method widely used in the production of complex-shaped parts made of various engineering alloys as well as superalloys due to its ... -
Wire electric discharge machining and its effect on the surface finish of HfNbTaTiZr refractory high-entropy alloy
(Springer, 2023)Refractory high-entropy alloys (RHEAs) have high strength and hardness but limited plasticity at room temperature, making them challenging to process and shape using conventional techniques. In the current study, HfNbTaTiZr ... -
A real-time cost optimization of two-section oven system with discrete gradient extremum seeking control: An experimental study in iron and steel industry
(Elsevier, 2023)The heavy industry plants are focused on finding ways to minimize energy costs, which is one of the most significant costs of production. In this paper, a case study on a real oven system used in a steel strip production ... -
Pull-out capacity prediction of sustainable cementitious composites with artificial intelligence and statistical methods
(Wiley, 2023)Concrete is used with reinforcement in structures so adherence gains importance especially in fire scenarios. To contribute production of sustainable concrete, by-products like granulated blast furnace slag, fly ash, and ... -
Modüler çok seviyeli dönüştürücüler için genelleştirilmiş bir kapasitör gerilim dengeleme şeması ve örnekleme frekansı analizi
(Gazi Universitesi, 2023)Modüler çok seviyeli dönüştürücüler (MÇD), modüler yapısı, yüksek verimliliği ve kaliteli çıkış dalga formu sayesinde orta ve yüksek güçlü endüstriyel uygulamalarda sıklıkla kullanılmaktadırlar. MÇD’ler literatürde yer ... -
Dark conduction mechanisms of PTQBDT based heterojunction diode
(Institute of Physics, 2023)Al:LiF/PTQBT:PCBM/PEDOT:PSS/ITO/glass organic-based diode is fabricated with different weight ratios in PTQBT:PCBM active layer. The diodes D1, D2 and D3 are prepared using the precursor solution for spin coating process ... -
Isolation and Characterization of Collagen from the Invasive Sea Urchin (Diadema setosum L., 1778) in North-Eastern Mediterranean Sea, Türkiye
(Kahramanmaraş Sütçü İmam Üniversitesi, 2023)In the present study, collagen was obtained from tissues of the invasive sea urchin (Diadema setosum) rapidly spread in the Mediterranean Sea. As a result, the yield of collagen isolated from sea urchin was determined to ...
