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Lighting Computer Programs in Lighting Technology

Ekren, Nazmi; Dursun, Bahtiyar; Aykut, Ercan (2008)

It is well known that the computer in lighting technology is a vital component for lighting designers. Lighting computer programs are preferred in preparing architectural projects in lighting techniques, especially in ...

Linear analysis of chatter vibration and stability for orthogonal cutting in turning

Orak, Sezan; Yaldız, Süleyman; Türkeş, Erol; Neşeli, Süleyman (2011)

The productivity of high speed milling operations is limited by the onset of self-excited vibrations known as chatter. Unless avoided, chatter vibrations may cause large dynamic loads damaging the machine spindle, cutting ...

Microstructural Analysis with Graded and Non-Graded Indium in InGaN Solar Cell

Durukan, İlknur Kars; Öztürk, Mustafa Kemal; Çörekçi, Süleyman; Tamer, Mehmet; Baş, Yunus; Özçelik, Süleyman; Özbay, Ekmel (Amer Scientific Publishers, 2017)

In this study are graded and non graded InGaN/GaN samples grown on c-oriented sapphire substrate using the Metal Organic Chemical Vapour Deposition (MOCVD) technique. The structural and morphological properties of the grown ...

A NEW APPROACH IN APPLICATION AND DESIGN OF TOROIDAL AXIAL-FLUX PERMANENT MAGNET OPEN-SLOTTED NN TYPE (TAFPMOS-NN) MOTOR

Hüner, Engin; Aküner, Mustafa Caner; Demir, Uğur (Univ Osijek, Tech Fac, 2015)

This paper presents a novel approach in design of toroidal axial flux permanent magnet open-slotted NN type (TAFPMOS-NN) motor. TAFPMOS-NN motor is an accomplished both theoretical and experimental model. The results of ...

A New Highly Thermally Stable Co(II)-coordination polymer with Semi-flexible Bis(Imidazole) Directed Secondary Building Unit: Solvothermal Synthesis and Structure

Semerci, Fatih (2018)

A new thermally highly stable 2D coordination polymer, formulated as [Co(?6-abtc)0.5(?-obix)]n (abtc = dioxygenated form of 3,3?,5,5?-azobenzenetetracarboxylate) obtained employing thesemi-flexible 1,2-bis(imidazole-1-yl ...

A NEW HYBRID METHOD FOR REDUCING COGGING TORQUE IN THE AFPM WIND GENERATOR

Hüner, Engin; Mutlu, Aykan (Taylor & Francis Inc, 2021)

Reducing the cogging torque in the axial flux permanent magnet (AFPM) generators is an important study area. Especially, AFPM generators with open slotted and rectangular-shaped poles have high cogging torque and high total ...

One-pot synthesis of two new metal-organic networks: hydrogen bonded mononuclear Cu(II) complex and mixed-valence Cu(I,II) coordination polymer with encapsulated 14-membered unique water cluster

Semerci, Fatih; Yeşilel, Okan Zafer; Yüksel, Fatrna; Şahin, Onur (Elsevier Science Bv, 2015)

{[Cu-4(mu-bpe)(4)Cu-2(mu-pydc)(2)(mu(3)-pydc)(2)]center dot 14H(2)O}(n) (1) and [Cu(pydcH)(2)(bpe)(2)] (2) have been solvothermally synthesized by 1,2-bis(4-pyridyl)ethylene (bpe) along with dianionic pyridine-2,3-dicarboxylate ...

Optimization of axial flux permanent magnet generator by Taguchi experimental method

Hüner, Engin (Polska Akad Nauk, Polish Acad Sci, Div Iv Technical Sciences Pas, 2020)

In this study, the optimization of air gap magnetic flux density of open slotted axial flux permanent magnet (AFPM) machine which was developed for wind turbine has been obtained using the Taguchi experimental method. For ...

Optimization of tool geometry parameters for turning operations based on the response surface methodology

Neseli, Süleyman; Yaldız, Süleyman; Türkeş, Erol (2011)

This investigation focuses on the influence of tool geometry on the surface finish obtained in turning of AISI 1040 steel. In order to find out the effect of tool geometry parameters on the surface roughness during ...

Oxalamide-Functionalized Metal Organic Frameworks for CO2 Adsorption

Güçlü, Yunus; Erer, Hakan; Demiral, Hakan; Altıntaş, Çiğdem; Keskin, Seda; Tumanov, Nikolay; Semerci, Fatih (Amer Chemical Soc, 2021)

Metal-organic frameworks (MOFs) have received great attention in recent years as potential adsorbents for CO2 capture due to their unique properties. However, the high cost and their tedious synthesis procedures impede ...

PI Parameter Optimization By Fire Fly Algorithm For Optimal Controlling Of A Buck Converter's Output StateVariable

Köse, Ercan; Mühürcü, Aydın; Mühürcü, Gülçin; Özdemir, Meliha (2018)

In this study, the buck converter circuit which is the topology of the power electronic circuit has been investigated to obtain the desired output voltage. The state variable of the circuit that is also used output of the ...

PI Parameter Optimization by using Ant Colony Algorithm for Optimal Controlling of A Buck Converter's Output Voltage

Köse, Ercan; Mühürcü, Aydın; Mühürcü, Gülçin; Aydoğan, Ecem (2017)

Bu çalışmada, verimli enerji iletimi amacıyla kullanılan Buck tipi DC gerilim seviye düşürücüsünün, çıkış büyüklüğü kontrol altına alınmıştır. Kontrol süreci için ayrık zaman PI algoritması seçilmiştir. Kontrolöre ait Kp ...

Preparation of RF sputtered AZO/Au thin film hydrogen peroxide sensitive electrode for utilization as a biosensor

Durukan, İlknur Kars; Çalışkan, S.; Çete, S.; Çevrimli, B. S.; Kınacı, B.; Özen, Y.; Özçelik, S. (Springer, 2014)

In this study, hydrogen peroxide (H2O2) sensitive Al doped ZO(AZO)/Au thin film electrode has been developed for the utilization as a biosensor. A preferred c-axis oriented AZO/Au thin film was deposited on quartz substrate ...

Reduction of cogging torque and improvement of electrical parameters in axial flux permanent magnet (AFPM) synchronous generator with experimental verification

Hüner, Engin; Zeka, G. (Electromagnetics Academy, 2020)

This paper presents an axial flux permanent magnet (AFPM) synchronous generator that was manufactured for the reduction of cogging torque by considering the different angles of a rectangle-shaped permanent magnet (RSPM). ...