Sivas Teknik Bilimler Meslek Yüksekokulu Makale Koleksiyonu: Recent submissions
Now showing items 41-60 of 112
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Üçlü Jet Akışlı Kanallardaki Değişik Yüzeyli Modellerin Soğuma Performanslarının Araştırılması
(TBMMO, 28/02/2023)Teknolojideki hızlı gelişime paralel olarak üretilen küçük boyutlarda ve yüksek kapasiteli elektronik ürünlerdeki güvenli sıcaklık sınırları aşılabilmektedir. Çarpan jet tekniği, elektronik sistemlerde fazla ısı üreten ... -
GO-SU NANOAKIŞKANININ ÇALIŞMA ŞARTLARINA BAĞLI OLARAK ENTROPİ ÜRETİMİ VE EKSERJİ KAZANIMININ ARAŞTIRILMASI
(IEDSR, 25/03/2023)Bir ısıl sistemin entropi ve ekserji analizi, sistemin en uygun çalışma şartlarını belirlemek için kullanılabilecek en güçlü araçlardan biridir. Ekserji, kullanılabilirliğin bir ölçüsü iken; sistemdeki entropi üretimi ... -
INVESTIGATION OF HEAT TRANSFER IMPROVEMENTS OF GRAPHENE OXIDE-WATER AND DIAMOND-WATER NANOFLUIDS IN CROSS-FLOW-IMPINGING JET FLOW CHANNELS HAVING FIN
(Türk Isı Bilimi Tekniği Derneği, 30/04/2023)In this study, the heat transfer from two different model surfaces (roof and crown) and flow structure in the channels with the cross flow-impinging jet flow were numerically analyzed by using water, 0.02% GO (Graphene ... -
HEAT TRANSFER INCREMENT STUDY TAKING INTO CONSIDERATION FIN LENGTHS FOR CuO-WATER NANOFLUID IN CROSS FLOW-IMPINGING JET FLOW CHANNELS
(Vinča Institute of Nuclear Sciences, Belgrade, Serbia, 15/12/2023)In this study, the heat transfer and flow characteristics for cube and circular hol-low models in channels with the cross-flow-impinging jet-flow were numerically investigated by using water and 2% CuO-water nanofluid. The ... -
Entropy and Exergy Analysis in an Experimental Thermal System Used GO–DW Nanofluid Having Straight Copper Pipes with Different Diameters
(Pleiades Publishing, 08/11/2023)Entropy and exergy analysis of a thermal system are the most powerful tools that can be employed to specify the optimum operating conditions of that system and utilization rate from the system. In the experimental thermal ... -
Farklı Desenli Bakır Plakaların Birleşik Jet Akışı ile Soğutulmasında Grafen Oksit (GO)-Su Nanoakışkanının Etkisi
(Osmaniye Korkut Ata Üniversitesi, 10/03/2023)Bu çalışmada, kanallarda bulunan sabit 1000 W/m2 ısı akılı küp ve oyuklu desenlerin su ve %0,02 hacimsel nanoparçacık konsantrasyonlu GO (Grafen Oksit)-Su nanoakışkanı kullanılarak birleşik jet akışı ile soğutulması sayısal ... -
Grafen Oksit (GO)-Su Nanoakışkanlı ve Kanatçıklı Birleşik Jet Akışlı Kanallarda Isı Transferinin Araştırılması
(Makina Müh. Odası (MMO), 04/04/2023)Bu çalışmada, birleşik jet akışıyla kanatçıksız ve farklı kanatçık mesafeli (N = D ve 2D) ve 60o açılı kanallarda su ve %0.02 hacimsel konsantrasyonlu GO (Grafen Oksit)-Su nanoakışkanı kullanılmasıyla yamuk ve taç desenli ... -
Design, synthesis, characterization, biological evaluation, and molecular docking studies of novel 1,2-aminopropanthiols substituted derivatives as selective carbonic anhydrase, acetylcholinesterase and a-glycosidase enzymes inhibitors
(26.08.2020)In the article, various substituted derivatives of 1,2-aminopropanthiol (1a–g) have been prepared by a general and efficientmethod, in one-steps, starting fromavailable thiirane and aromatic amines (aniline, o-toluidine) ... -
Design, synthesis, characterization, biological evaluation, and molecular docking studies of novel 1,2-aminopropanthiols substituted derivatives as selective carbonic anhydrase, acetylcholinesterase and α-glycosidase enzymes inhibitors
(27.08.2020)In the article, various substituted derivatives of 1,2-aminopropanthiol (1a–g) have been prepared by a general and efficientmethod, in one-steps, starting fromavailable thiirane and aromatic amines (aniline, o-toluidine) ... -
Application of a new dithizone grafted polymeric adsorbent for solid phase microextraction of manganese and copper prior to FAAS in fortified vegetables and barbecue samples
(2022)A new potential solid phase material called as dithizone@PAA was synthesized for first times, characterized and utilized as an easy versatile polymeric sorbent for the shake-assisted dispersive solid-phase micro-extraction ... -
OPTIMIZATION OF POLYPHENOL EXTRACTION FROM CHESTNUT WASTE PRETREATED BY OHMIC HEATING USING BOX-BEHNKEN DESIGN
(2022)Chestnut processing produces a large amount of waste peels, which contain considerable polyphenols. The aim of this research was to optimize the extraction method for phenolic compounds from industrial chestnut peel ... -
Valorization of agricultural by-product: Optimization of alcohol-based extraction of polyphenols from chestnut peel using Box-Behnken Design
(February 2)In the present work, solvent concentration, extraction time, and solid to solvent (S/S) ratio were evaluated in order to recover the majority of polyphenols from chestnut peel waste using ethanol and methanol. Extraction ... -
Experimental and Numerical Investigation of Flow Structures Around Different Binary Building Geometries
(Pleiades Publishing Ltd,, 31.03.2022)The separation zones resulting from the wind interaction with a building and its immediate surroundings are of great importance for determination of multiple vortex systems interacting with the building and for consideration ... -
Linear and nonlinear optical properties of a superlattice with periodically increased well width under electric and magnetic fields
(2022)In this paper, we have studied the electronic and optical properties of GaAs/AlxGa1-xAs superlattice with periodically increased well width. Under effective mass approximation, the finite element method is used to obtain ... -
Intense laser field effect on the nonlinear optical properties of triple quantum wells consisting of parabolic and inverse-parabolic quantum wells
(Şubat 2022)The nonlinear optical rectification, the second harmonic generation coefficient, and the third harmonic generation coefficient in parabolic-inverse parabolic-parabolic quantum wells (PIPPQWs) and inverse parabolic-para ... -
Geriye Dönük Adım Akışında Karbon Tabanlı Nanoakışkanların Isı Transferi ve Akış Özellikleri Açısından Değerlendirilmesi
(Makina Müh. Odası, 30/04/2020)Geriye dönük adım akışı, büyük hücum açısında kanat uçlarında, bir aracın arkasındaki ayrılma akışında, bir gaz türbinindeki akışta ve ayrıca bir tekne veya binanın etrafındaki akış gibi günlük yaşantımızdaki uygulamalarda ... -
Linear and nonlinear optical properties of semi-elliptical InAs quantum dots: Effects of wetting layer thickness and electric field
(Thin Solid Films, Haziran 20)In this paper, we have studied the optical properties of semi-elliptical InAs quantum dots (QDs) embedded in GaAs. Under effective mass approximation, the finite element method has been used to obtain wavefunctions ... -
FPGA YAPILARDA KAOTİK OSİLATÖR TASARIMI
(İksad Yayınevi, Ekim 2022)Son yüzyılda birçok bilim alanındaki çalışmalarda yer bulan kaos teorisi, farklı amaçlarla pek çok sistem davranışlarının ortaya konulmasında ve problemin çözümündeki yaklaşımlarıyla dikkat çekmiştir. Karmaşık davranışları ... -
Vortex assisted magnetic ionic liquid based dispersive liquid–liquid microextraction approach for determination of metribuzin in some plant samples with UV–Vis spectrophotometer
(2022)A vortex assisted magnetic ionic liquid based dispersive liquid–liquid microextraction (VA-MIL-DLLME) approach was proposed using a tetrachloromanganate-based magnetic ionic liquid (MIL, as extraction solvent) for the ... -
Application of levulinic acid-based natural deep eutectic solvents for extraction and determination of deltamethrin in food samples
(2022)In the study, a fast and green natural deep eutectic solvent based ultrasound-assisted liquid liquid microextraction (NDES-UALLME) were proposed for the determination and extraction of deltamethrin in food samples using ...