ENSTİTÜLERİzmir Katip Çelebi Üniversitesi Kurum Koleksiyonu

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Exhaust thermal energy recuperation in small gas turbine and turbojet engines Küçük gaz türbini ve turbojet motorlarında egzoz termal enerji geri kazanımı

Hakyemez Çatiner, Deniz

ÖZETHer geçen gün artan hava kirliliği ile önem kazanan karbondioksit emisyonunun azaltılmasına yönelik çalışmalar her alanda devam etmektedir. Elektrik üretimi, taşımacılık gibi hava kirliliğinin büyük kısmını oluşturan alanlarda gaz türbini kullanımı yaygındır. Gelişime açık bu motorlar ile verimi arttırmak ve yakıt tasarrufu sağlamak amacıyla çalışılan yöntemlerden biri olan reküperatör tasarımı bu tezin konusudur. Yer ve hava olmak üzere iki farklı mikro gas türbin motoru için borulu ısı değiştirici basınç kaybı ve sıcaklık artışı dikkate alınarak modellenmiştir. Hava tipi motorlarda alan ...Daha fazlası

Yüksek Lisans 2022 Sercan Acarer Graduate School of Natural and Applied Sciences 20 Görüntülenme

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The design, manufacturing and applications of a novel led-based phototherapy device Yeni Bir LED tabanlı fototerapi cihazının tasarımı, üretimi ve uygulamaları

Yaşar, Büşra

ABSTRACTJaundice is a very common disease in infants. It is caused by an increase in the level of bilirubin in the blood. Its incidence in newborns is around 60-70. When jaundice becomes pathological, it can cause much damage to the body: brain damage, vision loss, lung and kidney dysfunction, and even death. With the increase of bilirubin and its accumulation in the organs, irreversible damage occurs. There are different methods such as exchange transfusion, medication, and phototherapy to remove bilirubin from the environment. Blue light with a wavelength of 430-490 nm is required for light ...Daha fazlası

Yüksek Lisans 2022 Nermin Topaloğlu Avşar Graduate School of Natural and Applied Sciences 13 Görüntülenme

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Investigating the antibacterial activity of antimicrobial peptide and silicate integrated flexible biomaterial Antimikrobiyal peptit ve silikat katkılı fleksible biyomalzemenin antibakteriyel etkinliğinin incelenmesi

Coşkun, İhsan

ABSTRACTOsteomyelitis is a disease in which the process of bone destruction and loss is caused by microorganisms. Osteomyelitis has an increasing incidence rate that could cause chronic and acute infections. Bone infection has caused recurrent and permanent damage in 40 of the patients. 2-5 of infections caused by medical devices used in orthopedic surgical operations are osteomyelitis. More than half of osteomyelitis cases are caused by gram-positive bacteria such as Staphylococcus aureus and Staphylococcus epidermidis. In order to prevent the occurance of osteomyelitis due to the medical dev ...Daha fazlası

Yüksek Lisans 2022 Didem Şen Karaman Graduate School of Natural and Applied Sciences 8 Görüntülenme

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The effect of local heating on the weld line formation in plastic ınjection molding of acrylonitrile butadiene styrene and glass fiber reinforced polypropylene Akrilonitril bütadien stiren ve cam elyaf takviyeli polipropilenin plastik enjeksiyon kalıplamasında lokal ısıtmanın birleşme izi oluşumuna etkisi

Güler, Muhsin Deniz

ABSTRACTIn this study, the effect of local heating on the weld line formation in a plastic injection mold was studied by using acrylonitrile butadiene styrene (ABS) and polypropylene 20 glass fiber (PP GF20) plastic material. An aluminum 6000 insert was fitted into the injection mold to set temperatures for local heating. The three parameters with three levels were selected for injection molding process parameters as insert temperature, mold temperature, and melt temperature and to produce mechanical tests specimens with weld lines and non-weld lines. L9 orthogonal array was arranged for the T ...Daha fazlası

Yüksek Lisans 2022 Aydın Ülker Graduate School of Natural and Applied Sciences 32 Görüntülenme

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Manufacturing and Characterization of Peptide Coated Polylactic Acid Based Composites for Various Medical Applications

Metehan ATAGÜR

Within the scope of this thesis, PLA-based composites have been developed and coated with peptide to increase biocompatibility for temporary implant applications and PLA biocomposite materials have been produced. HA and β-TCP were used as additive materials, and PLLA and PDLA polymers were used as polymer matrix. The main purpose is to obtain the composite with the best mechanical properties and to improve the biocompatibility properties as a result of coating this final material with peptide. In the first stage, 10% HA (PLA-10 HA), 10% β-TCP (PLA-10TCP) and 5% HA + 5% β-TCP (PLA-5TCP-5HA) are ...Daha fazlası

Doktora Tezi 2022 Mehmet Özgür SEYDİBEYOĞLU İzmir Katip Çelebi Üniversitesi Fen Bilimleri Enstitüsü 14 Görüntülenme

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Detection of coal fires in soma with landsat temporal thermal images Landsat temporal termal görüntüleri ile Soma'da kömür yangınlarının tespiti

Köşker, Merve

ABSTRACTCoal is one of the most important energy resources used in many countries for decades to produce energy. A type of fire called coal fires occurs when the coal surface is exposed to sunlight and in contact with oxygen for a long time in coal mine areas where coal is extracted. Coal fires are prevalent and critical incidents for most coal mining areas around the world. Various problems arise due to coal fires in coal mines. These problems affect many factors such as environment, society, economy and security directly or indirectly. Burning coal fire causes the formation of poisonous gase ...Daha fazlası

Yüksek Lisans 2022 Özşen Çorumluoğlu Graduate School of Natural and Applied Sciences 23 Görüntülenme

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Poincaré plot-based fault detection on tennessee eastman process using various machine learning algorithms Çeşitli makine öğrenimi algoritmalarını kullanarak tennessee eastman sürecinde poincaré grafik tabanlı hata tespiti

Çancıoğlu, Emre

ABSTRACTThis thesis presents diagnose and detect faults of Tennessee Eastman Process (TEP) with machine learning algorithms via Poincaré plots-based feature extraction and statistically analysis-based feature selection. The IEEEDataPort online dataset, obtained from a big plant that contains nonlinear processes from various chemical units, is utilized in this thesis. It contains measures from 52 process points in TEP with 20 dissimilar malfunction types. In this study, raw dataset and dataset that applied feature extraction and feature selection was used. Poincaré plot was applied to the datas ...Daha fazlası

Yüksek Lisans 2022 Savaş Şahin Graduate School of Natural and Applied Sciences 19 Görüntülenme

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Simulation of three-dimensional slender droplet motion with adaptive mesh refinement Uyarlanabilir ağ yapısı ile üç boyutlu ince damla hareketi simülasyonu

Özdoğan, Mert

ABSTRACTWhile droplet moves over surfaces, various structures are observed cusp and corner formation, pearling, pinning/depinning, to name a few. We develop a finite element method (FEM) based solver to analyze three-dimensional motion of slender droplets over several substrates. To get accurate results within a feasible computation time, an adaptive mesh refinement (AMR) based on non-conformal, balanced and preload quadtree mesh structure is embedded within our quadratic FEM solver to focus our computational power on specific regions like contact lines. We validate our solver with the power-l ...Daha fazlası

Yüksek Lisans 2022 Umut Ceyhan Graduate School of Natural and Applied Sciences 25 Görüntülenme

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Nonlinear viscoelastic properties of nano and micro sized clay suspensions Nano ve mikro boyutlu kil süspansiyonlarının doğrusal olmayan viskoelastik özellikleri

Ülker, Ceylan

ABSTRACTClay colloids and suspensions are distinguished from other colloidal minerals by wide ranges of application area. Clay-based colloidal systems are frequently used in various industries, including cosmetics, oil industry, medicine, pharmacy, catalysis, textiles, remediation, and food packaging. Mechanical and thermo-structural properties of these systems provide valuable information in terms of some important criteria such as shelf life, gelation process, and degradation time. The foucus point of this study is to consider the application of water-clay suspensions in drilling fluid more ...Daha fazlası

Yüksek Lisans 2022 Ali Ettehadi Graduate School of Natural and Applied Sciences 25 Görüntülenme

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Improvement of interface in PVC and aluminium structures PVC-alüminyum yapılarında ara yüzeyin iyileştirilmesi

Kale, Didem

ÖZETYapılarda kullanılmakta olan pencere, kapı ve diğer bir çok üründe, farklı malzeme özelliklerinin bir araya getirildiği yenilikçi hibrid ürün arayışları yer almaktadır. Binalarda, yaygın olarak tercih edilen PVC pencereler, polivinil klorür (PVC) esaslı profiller ve mekanik güçlendirme sağlayan çelik saclar gibi, birden fazla komponentin bir araya gelmesi ile oluşmaktadır.Yapılan çalışmada, bu tür uygulamalar için profile celik sac takma işleminin yerine geçebilecek, PVC ile alüminyum gibi iki farklı malzemenin birleştirilme teknikleri ve hibrid bağlantılar araştırılmıştır. Amaç, PVC ve al ...Daha fazlası

Doktora Tezi 2022 M. Özgür Seydibeyoğlu Graduate School of Natural and Applied Sciences 36 Görüntülenme

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Spatiotemporal analysis framework for ıdentifying emerging hot spots and energy potential from livestock manure in Turkey Türkiye’deki hayvan gübresinin yoğun olarak bulunduğu bölgelerin ve bu bölgelerin enerjipotansiyellerinin mekansal ve zamansal analizler ile belirlenmesi

Ruhbaş, Büşra Yüksel

ABSTRACTBiogas technology offers both an environmentally sustainable solution for livestock manure and generates renewable energy. Renewable energy production from livestock manure highly depends on the feedstock availability therefore, the spatial and temporal variability of livestock manure is critical for sustainable management of livestock manure via biogas plants. In this regard, this study aims to develop a replicable geographic information system-based spatiotemporal method to determineemerging hot spots and power capacities for new biogas plants and capacity expansion for the existing ...Daha fazlası

Yüksek Lisans 2022 Sedat Yalçınkaya Graduate School of Natural and Applied Sciences 19 Görüntülenme

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Production of dental filling composite material with ımproved mechanical and antibacterial properties by zno/chitosan doped silica/pmma core/shell nano hybrid structured ınorganic matrix ZnO/Kitosan katkılı silika/PMMA çekirdek/kabuk nano hibrit yapılı inorganik matris ile mekanik ve antibakteriyel özellikleri geliştirilmiş dental dolgu kompozit malzemesi üretilmesi

Ok, İzel

ABSTRACTOrganic-inorganic (hybrid) dental filling composite resins are becoming increasingly popular as a result of their aesthetic quality, good mechanical properties, optimum wear resistance, and ease of use. However, dental composites have relatively high brittleness, low strength, and durability, which limits applications. Dental filling composites containing nanoparticles have been developed in recent years to address the drawbacks of dental composites. These composites have high filling percentages and provide high strength and durability to the resin. However, the characteristics of the ...Daha fazlası

Yüksek Lisans 2022 Ahmet Aykaç Graduate School of Natural and Applied Sciences 17 Görüntülenme

Filtreler

Koleksiyon [2]

Ambargo Durumu [1]

Tam Metin [1]

Eser Sahibi [20]

Tür [2]

Yayın Tarihi [1]

Yayıncı [3]

Kayıt Giriş Tarihi [5]

Tez Danışmanı [20]

Yayın Dili [1]

Konu Başlıkları [20]

Exhaust thermal energy recuperation in small gas turbine and turbojet engines Küçük gaz türbini ve turbojet motorlarında egzoz termal enerji geri kazanımı

Hakyemez Çatiner, Deniz

The design, manufacturing and applications of a novel led-based phototherapy device Yeni Bir LED tabanlı fototerapi cihazının tasarımı, üretimi ve uygulamaları

Yaşar, Büşra

Investigating the antibacterial activity of antimicrobial peptide and silicate integrated flexible biomaterial Antimikrobiyal peptit ve silikat katkılı fleksible biyomalzemenin antibakteriyel etkinliğinin incelenmesi

Coşkun, İhsan

Güler, Muhsin Deniz

Manufacturing and Characterization of Peptide Coated Polylactic Acid Based Composites for Various Medical Applications

Metehan ATAGÜR

Detection of coal fires in soma with landsat temporal thermal images Landsat temporal termal görüntüleri ile Soma'da kömür yangınlarının tespiti

Köşker, Merve

Poincaré plot-based fault detection on tennessee eastman process using various machine learning algorithms Çeşitli makine öğrenimi algoritmalarını kullanarak tennessee eastman sürecinde poincaré grafik tabanlı hata tespiti

Çancıoğlu, Emre

Simulation of three-dimensional slender droplet motion with adaptive mesh refinement Uyarlanabilir ağ yapısı ile üç boyutlu ince damla hareketi simülasyonu

Özdoğan, Mert

Nonlinear viscoelastic properties of nano and micro sized clay suspensions Nano ve mikro boyutlu kil süspansiyonlarının doğrusal olmayan viskoelastik özellikleri

Ülker, Ceylan

Improvement of interface in PVC and aluminium structures PVC-alüminyum yapılarında ara yüzeyin iyileştirilmesi

Kale, Didem

Spatiotemporal analysis framework for ıdentifying emerging hot spots and energy potential from livestock manure in Turkey Türkiye’deki hayvan gübresinin yoğun olarak bulunduğu bölgelerin ve bu bölgelerin enerjipotansiyellerinin mekansal ve zamansal analizler ile belirlenmesi

Ruhbaş, Büşra Yüksel

Ok, İzel