Okan Oral

• PhD
• Head of Department at Akdeniz University

Metal foam heat sinks are preferred in electronic cooling systems with their advantages such as superior properties in heat transfer, light weight and ability to mix the cooling fluid. It is very difficult to conduct extensive experimental studies with metal foam heat sinks due to the difficulty of production and high cost. In addition, due to the...

Machine learning (ML) methods, which are one of the subfields of artificial intelligence (AI) and have gained popularity in applications in recent years, play an important role in solving many challenges in aquaculture. In this study, the relationship between changes in the physico-chemical characteristics of water and feed consumption was evaluate...

Electrical energy plays a crucial role in both social and economic growth. It is thought to be an essential part of industrial manufacturing. In addition to its contribution to industry, electrical energy is essential for addressing the needs of people on a daily basis. Therefore, electricity generation prediction is crucial for accurate electricit...

Background: Fish diseases are the primary cause of decreased productivity and financial losses in fish farms. Detecting and monitoring fish disease using human eye is a time-consuming manual process. Technological advancements have made possible that data may now be collected at unprecedented speeds, quantities, and complexity, with far less effort...

Diseases are quite common in fish farms because of changes in physico-chemical characteristics in the aquatic environment, and operational concerns, i.e., overstocking and feeding issues. In the present study, potential factors (water physico-chemical characteristics and heavy metal load) on the disease-causing state of the pathogenic bacteria Lact...

In this study, in order to estimate total tree height, three different model structures with different input variables were produced through the use of 872 tree data points obtained from different development stages and sites in coppice-originated pure sessile oak (Quercus petraea [Matt.] Liebl.) stands. These models were fitted with machine learni...

Many factors are affecting the fruit growth dynamics of fruit trees. The vapour pressure deficit (VPD), the measure of the drying power of the air, integrates temperature and air humidity data, is one of the crucial factors affecting this process. In the current study carried out in an apple orchard in southeastern France, fruit diameter and VPD va...

Kolaboratif robotlar diğer bir değişle cobotlar, 21. yüzyılın başlangıcından itibaren, robotik sektöründeki gelişmelerin geldiği boyutlara iyi birer örnek teşkil etmektedir. Özellikle otomasyon teknolojilerinin üretim sektöründeki öneminin anlaşılması ile hayatımıza giren cobotlar, endüstriyel üretimlerde üretim kapasitesi ve hızını artırırken, üre...

Water quality parameters such as temperature, dissolved oxygen, pH and total dissolved solids are important environmental factors affecting fish welfare. The deterioration of these parameters beyond the tolerance limits causes environmental stress and suppression of the immune system. Moreover, it allows opportunistic pathogens that are always pres...

The inclusion of energy produced from renewable energy sources (RES) such as solar and wind energy into existing energy systems is important to reduce carbon emissions, air pollution and climate change, and to ensure sustainable development. However, the integration of RES into the energy system is quite difficult due to their highly uncertain and...

Diffuse optical tomography (DOT) modality uses diffusion equation solution of low power laser distribution in the imaging tissue. DOT method has three main running mode and three geometric subbranches. Run modes are: Continuous Wave (CW), Time Resolved (TR) and Frequency Domain (FD) modes. These run modes might have transmission-through, back-refle...

In this work, deep learning neural network architecture was applied to the well-known diffuse optic tomography problem. Frequency Domain Diffuse Optic Tomography (FDDOT) modality was selected as reference simulation system. Sources and detectors were placed on tissue imaging geometry. Back-reflection geometry has 8 sources and 8 detectors on tissue...

Model classification plays an important role in the well-organized management and reuse of 3D CAD models in industry and can help speed up the product design process. Conventional methods are based on the manual classification of models by trained human experts. However, this is a time-consuming task and errors are always a possibility. That is why...

Die Modellklassifizierung spielt eine wichtige Rolle bei der ordnungsgemäßen Verwaltung und Wiederverwendung von 3D-CAD-Modellen in der Industrie und kann dazu beitragen, den Produktdesignprozess zu beschleunigen. Traditionelle Methoden beruhen auf der manuellen Modellklassifizierung durch ausgebildete menschliche Experten. Dies ist jedoch eine lan...

The Diffuse Optical Tomography (DOT) imaging modality is an interesting research field for researchers since it has uncertainties in the solution space. DOT imaging modality is an unsolved scientific problem. Inverse problem solution and image reconstruction have never been of their best quality. Reconstructed images have low spatial resolution. Th...

Because of continuous competition in the corporate industrial sector, numerous companies are always looking for strategies to ensure timely product delivery to survive against their competitors. For this reason, logistics play a significant role in the warehousing, shipments, and transportation of the products. Therefore, the high utilization of re...

It is an indisputable fact that energy plays a big role in the development of countries. Electrical energy has a great share in the development. Electricity is a secondary energy source, i.e. it is obtained by transforming primary energy sources. Although the desired level has not yet been reached, Turkey’s installed power has increased by years an...

The versatility of mobile devices, such as availability, portability, adaptability, and the ability to personalize individual experiences, makes them valuable and makes their use mandatory. Rapid developments in mobile devices have had an impact on the field of education as well as in all areas. This situation has revealed mobile learning in the ed...

Renewable energy sources play an essential role in sustainable development. The share of renewable energy-based energy generation is rapidly increasing all over the world. Turkey has a great potential in terms of both solar and wind energy due to its geographical location. The desired level has not yet been reached in using this potential. Neverthe...

Talaşı imalatta önemli bir alan olan frezeleme işlemleri çok yönlü bir imalat biçimi olup endüstride oldukça yaygın olarak kullanılmaktadır. Frezeleme işleminin istenilen hassasiyetle yapılamaması malzeme üzerinde bazı mekanik sorunlara ve hatta malzeme kayıplarına yol açmaktadır. Ekonomik değeri yüksek olan malzemenin atıl duruma gelmesi zaman, pa...

The increase in the need for electricity has led the countries to provide reliable, inexpensive and clean energy. Recently, among those energy sources, those based on photovoltaic (PV) power systems have come forward. Solar energy potential in Turkey is high, the number of investments in PV power plants with government incentives are increasing. Th...

The great mobility in the world tourism in recent years has also enabled this sector to be included among the study areas of big data. In this study, a solution proposal was put forward by using the big data and string similarity algorithms (SSA) for the problems arising from the entry of the hotel data coming from different providers into database...

Mobile devices have become the technological devices used in every field today. Especially with the mobile devices produced in the last decade, all operations that can be performed with a computer can be performed. The aim of this study was to determine the factors affecting the dependence of young people on mobile devices. For this purpose, online...

Realistic representation of time‐dependent internal stress progression and deformation behavior of a potato tuber during a sample drop case has been studied in this article. A reverse engineering approach, compressive tests, slow motion camera records and finite element analysis (FEA) were employed to analyze the drop case deformation behavior of a...

Additive Manufacturing can be described as a process to make 3D objects by adding layer upon layer of material, the material traditionally being plastics, metals or ceramics, however 'smart' materials are now in use. Nowadays, the term "3D Printing" has become a much-used synonym for additive manufacturing. The use of computing, 3D solid modelling...

ÖZET Meslek yüksekokulları, ticaret, endüstri ve hizmet sektörlerinin ihtiyaç duyduğu, alanlarında yeterli bilgi ve beceriye sahip meslek elemanlarının yetiştirilmesi amacıyla kurulmuş yükseköğretim kurumlarıdır. Türkiye'de 2018 yılı itibariyle 977 Meslek Yüksekokulu bulunmakta ve bu okullarda 1.037.791 öğrenci öğrenim görmektedir. Meslek Yüksekoku...

Teknolojinin 21.yüzyılda inanılmaz bir hızla ilerlemesiyle, günümüz insanının, bu hıza uyum sağlayabilmesinin ön koşulu, teknoloji kullanma becerisi olmuştur. Günlük yaşantıdaki hayal gücünü zorlayan gelişmeler yaşam şekillerini değiştirmiş, teknolojinin gelişmesi ve teknolojik ürünlerin ucuzlaması sonucu yeni teknolojiler her yaştan bireyin kullan...

The STEM (Science, Technology, Engineering, Mathematichs) education is an educational approach, which were associated with each other of different disciplines, covering the whole education process from pre-school to higher education of mathematich, science, technology and engineering, and combined with real world lessons of difficult academic conce...

Android veya IOS işletim sistemine sahip bir mobil cihaz için Google Play Store’da veya AppStore’da yer alan standart bir uygulama ile mobil cihaz üzerinden elektronik aygıt kontrolü yapmak mümkündür. Ancak, bu çoğu kez kullanıcıyı yapısı değiştirilemeyen bir program kullanmaya zorlamaktadır. Bu durum şöyle bir soruyu akla getirmektedir. “Peki, ned...

STEM (Science, Technology, Engineering, Mathematichs) eğitimi fen, teknoloji, mühendislik ve matematiğin okul öncesinden yükseköğretime kadar tüm eğitim sürecini kapsayan, farklı disiplinlerin birbirleri ile ilişkilendirildiği ve zorlu akademik kavramların gerçek dünyadaki derslerle birleştirildiği eğitim yaklaşımıdır. STEM eğitiminin çoğu geleneks...

In the age of automation which is getting more numerative and increasingly used more technology, using high technological systems instead old-fashioned systems make people’s life easier. The concept of IoT comes out of from all these systems distinctly. IoT represents devices which makes a smart network each other by sharing datas and building up c...

Three-dimensional printers are a rapidly developing technology that is used in many places today. In this research, we have examined the developments in the field of health of the three dimensional printers which are frequently used today. Three-dimensional (3D) bioprint has become a powerful tool for the design and full placement of biological mat...

Additive Manufacturing can be described as a process to make 3D objects by adding layer upon layer of material, the material traditionally being plastics, metals or ceramics, however 'smart' materials are now in use. Nowadays, the term "3D Printing" has become a much-used synonym for additive manufacturing. The use of computing, 3D solid modelling...

ÖZET Teknolojinin 21.yüzyılda inanılmaz bir hızla ilerlemesiyle, günümüz insanının, bu hıza uyum sağlayabilmesinin ön koşulu, teknoloji kullanma becerisi olmuştur. Günlük yaşantıdaki hayal gücünü zorlayan gelişmeler yaşam şekillerini değiştirmektedir. Teknolojinin gelişmesi ve teknolojik ürünlerin ucuzlaması sonucu yeni teknolojiler her yaştan bir...

Abstract: Aim: Air conditioning has a great importance for the health and productivity of instructors and also for the students in the school environment. Air conditioners (ACs) are often preferred for air conditioning of classrooms and laboratories. High energy consumption of these ACs raises costs to educational institutions. Forgetting to turn o...

The number of vocational schools in Turkish higher education system has been in rise. This growth brings creates various setbacks that are waiting to be solved. In particular, poor quality of education and training provided by vocational schools, which supply semiskilled workers for small and medium sized enterprises, has been started to criticize....

Theoretical knowledge taught to students in Faculties of Engineering in chapter lectures needs to be reinforced by applying them in the laboratory or supporting them by simulations. In the formation of a laboratory; restrictions such as appropriate physical environment, time, expensive equipment supply and security are encountered. These restrictio...

Sayısallaşan ve her geçen gün daha fazla teknolojinin kullanıldığı otomasyon çağında eski manuel sistemlerin yerini otomatik sistemlerin alması insanların yaşamını gittikçe kolaylaştırmaktadır. Günümüzde insanlar interneti, güvensiz olmadıkça gündelik hayatlarının ayrılmaz bir parçası yapmışlardır. Nesnelerin İnternet'i (iot), cihazların bir ağ alt...

Theoretical knowledge taught to students in Faculties of Engineering and Technical Education in chapter lectures needs to be reinforced by applying them in the laboratory or supporting them by simulations. In the formation of a laboratory; restrictions such as appropriate physical environment, time, expensive equipment supply and security are encou...

Özet İklimlendirme, okul ortamlarında öğrenci ile öğretim elemanı sağlığı ve verimliliği açısından oldukça büyük bir öneme sahiptir. Derslik ve laboratuvarların iklimlendirmesi için çoğu kez klimalar tercih edilmektedir. Klimaların yüksek enerji tüketimi eğitim kurumları için ciddi bir maliyet oluşturmaktadır. Kapatılması unutulmuş klimaların ders...

Özet Türk Yüksek Öğretim alanı içerisinde önemli yere sahip olan meslek yüksekokullarının (MYO) sayısı artmakta ve artan sayıyla birlikte yaşanan sorunlar da çözülmeyi beklemektedir. Özellikle son zamanlarda küçük ve orta ölçekli işletmelerin ara eleman ihtiyacını karşılayan MYO'ların diğer sorunları dışında, verdikleri eğitim ve eğitimin yeterlili...

Polimer esaslı malzemelerin kullanım alanları sürekli olarak artmaktadır. Buna bağlı olarak, polimerik malzemelerden istenilen özelliklerde uygulamaya bağlı olarak değişmektedir. Hedeflenen özelliklerin elde edilebilmesi için endüstriyel gelişim ve akademik çalışmalar artarak devam etmektedir. Özellikle nano boyuttaki katkılar, polimer esaslı malze...

Yüksek teknoloji endüstrilerinde son yıllarda çok hızlı gelişmelerin yaşanması ve bu pazardaki firma sayısının sürekli artması ile birlikte rekabet savaşları da büyümektedir. Bu gelişmeler neticesinde, tüketici taleplerinin de "daha ekonomik ve fonksiyonel" ürünlere doğru yöneldiği görülmektedir. Tüketici taleplerindeki bu yönelim, üretici firmalar...

With the help of the internet, people are now able to easily reach limitless information and share their knowledge instantly with lower costs in a virtual environment. In this study, an automation software for an article sending, evaluating and following system through internet has been developed. It provides the lower cost, rapid and productive ev...

Today, the necessity of widespread using in all areas of informatics and to gain basic skills for the use of information technologies has increased the importance of these courses. In this study, an education model developed for all undergraduate and college freshmen students who are taking compulsory computer courses at Akdeniz University. In this...

Real-time monitoring of vibrations from the tool holder of Computer Numerical Control Machines simultaneously is important for some physical problems that may occur on a piece of working through solution of immediate detection and analysis in case of obtaining information. In this study, tool holder head to be used in machine tools, especially in r...

F. Yucel, O. Oral, N. Caglayan, M. Tecimen, S. Kocak, E. Yuce. Design and Implementation of a Personal Computer Authorization System using Color Detection // Electronics and Electrical Engineering. - Kaunas: Technologija, 2011. - No. 9(115). - P.97-100. For using of personal computers (PCs) only by authorized persons, there are several methods such...