Altın, Mustafa
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Altin, Mustafa
Altın, Mustafa.
M. Altın
M. Altin
Altin, M.
Altın, M.
Altin, Mustafa.
Altın, Mustafa.
M. Altın
M. Altin
Altin, M.
Altın, M.
Altin, Mustafa.
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maltin@ktun.edu.tr
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07. 07. Department of Construction Technology
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7
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12
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9
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16
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17
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10
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63
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111
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3.71
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| Journal | Count |
|---|---|
| International Journal of Intelligent Systems and Applications in Engineering | 2 |
| CASE STUDIES IN THERMAL ENGINEERING | 1 |
| Construction And Building Materials | 1 |
| Doğal Afetler ve Çevre Dergisi | 1 |
| Fire Technology | 1 |
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Master Thesis Gerçek Bir Yangın ve Sonuçlarının Yangın Güvenliği Açısından Değerlendirilmesi(Konya Teknik Üniversitesi, 2022) Kılıçarslan, Muhammed Furkan; Altın, MustafaYangınlar, tüm dünyada ve ülkemizde genel toplum sağlığını etkileyen ve insan yaşamı üzerinde doğrudan ve/veya dolaylı etkileri olan bir afettir. Yangın gerçeğini gerçek bir yangınla göstermek amacıyla 1/1 ölçekli Yangın Deney Laboratuvarı inşa edilmiştir. Hazırlanan binamızda 2 adet 300 x 350 cm ölçülerinde yangın deney odası ve 1 adet 190 x 620 cm ölçülerinde kumanda ve gözlem odası bulunmaktadır. Yangın deneylerinde bir oda oturma odası ve diğer odamız ise yatak odası olacak şekilde gerekli yangın yükleri hesaplanarak tefriş edilmiştir. Yangın yükü hesabında yatak odası yangın indeks değeri 1,18, oturma odasında ise 1.86'lık yangın indeks değeri elde edilmiştir. Yangın deneyi için gerekli olan, ısı ölçüm cihazları, yazılımlar, termal kamera, mekân içi mobilyalar, stor perdeler, gözlem odası, odaların yerleşimleri tamamlandıktan sonra deneylere başlanmıştır. İlk önce oturma odası daha sonra yatak odasında gerçek yangınlar çıkartılarak deney düzeneğindeki gereçlerle gerekli tüm veriler alınarak sonuçları değerlendirilmiştir. Yangın odaları alt, orta ve üst bölgelerde anlık sıcaklık değerleri her saniye için alınmıştır. Yatak odası üst bölge 1200 °C, orta bölge 800 °C ve alt bölge 400 °C civarında maksimum sıcaklıklara ulaşmıştır. Oturma odasında ise üst bölge 900 °C, orta bölge 600 °C ve alt bölge 300 °C civarında maksimum sıcaklıklar ölçülmüştür. Aynı zamanda yapı dışı sıcaklık değişimleri de kayıt altına alınmıştır. Yatak odası dış duvar sıcaklığı ölçülen termal kamera görüntülerine göre maksimum sıcaklıkta yaklaşık 25 ila 31 °C civarında oturma odasında ise dış duvar sıcaklığı maksimum sıcaklıkta yaklaşık 41 ila 46 °C civarında sıcaklık değerleri tespit edilmiştir. Oda içerisinde aşırı sıcaklık değişimleri gözlenirken duvar dış yüzeylerinde çok daha sınırlı ısı değişimleri tespit edilmiştir. Deney çalışmasında Oksijen(O) gaz miktatı (%), Uçucu Organik Bileşikler (%VOC) Oranı, Alt Patlayıcı limit (%LEL) Oranı, Karbonmonoksit (CO) (ppm) Gazı, Hidrojen Sülfür (H2S) (PPM) Gazı, Amonyak (NH3) (%) Gazı olmak üzere 6 farklı gaz ölçümü yapılmıştır. Oksijen Gaz ölçümlerinde yatak odasında oksijen miktarı %19 seviyelerinde oturma odasında ise %11 seviyelerine kadar inmiştir. Alt patlama limit değerlerinde yatak odasında hiçbir değer verisi alınmamış oturma odasında ise LEL seviyesi %11'e kadar yükselmiştir. Karbonmonoksit gazı deney ölçümlerinde yatay odası CO seviyesi 1 kez 500 ppm seviyesine ulaşmışken oturma odasında ise 3 kez 500 ppm seviyesine ulaşmıştır. Hidrojen sülfür gazı (H2S) yatak odasında 2,6 ppm değerine ulaşırken oturma odasında 13,2 ppm seviyelerine kadar yükselmiştir. Amonyak (NH3) gazına 2 oda da rastlanmamıştır. Uçucu organik bileşikler oranı (VOC) yatak odasında maksimum 76 ppm değerine ulaşırken oturma odasında 145 ppm değerine ulaşmıştır.Article Citation - Scopus: 10Identification of the English Accent Spoken in Different Countries by the K-Nearest Neighbor Method(2020) Taşpınar, Yavuz Selim; Köklü, Murat; Altın, MustafaSound is the pressure wave created by an object vibrating with a certain frequency. 3 organs are needed for the formation of voice in humans. These are lungs, vocal cords and mouth. Due to the structure of these organs and the similarity of the person with their current language, they can speak another language with different accent. A language can be spoken in different parts of the same country and in different countries. The second most widely used language in the world is English, has numerous accents around the world. In this study, it is aimed to determine which country the English accent spoken in different regions belongs to. In the dataset used, there are 330 sound samples including English accents spoken in Spain, France, Germany, Italy, England and America. Classification has been made with 12 features obtained by Mel Frequency Cepstrum Coefficients feature extraction method. k-Nearest Neighbor (kNN) were used in the classification and 87.2% success was achieved.Article Citation - Scopus: 18Fire Detection in Images Using Framework Based on Image Processing, Motion Detection and Convolutional Neural Network(Ismail Saritas, 2021) Taşpınar, Yavuz Selim; Köklü, Murat; Altın, MustafaFire detection in images has been frequently used recently to detect fire at an early stage. These methods play an important role in reducing the loss of life and property. Fire is not only chemically complex, but also physically very complex. The shape and color of the flame varies according to the type of fuel in the fire. This has made fire detection a very challenging problem. Advanced image processing algorithms are also needed to accurately detect fire. To solve this problem, a three-stage fire framework was created in this study. In the first stage, the flame region was extracted from the images containing the fire region with the basic image processing algorithms. At this stage, reduce brightness, HSL, YCbCr, median and herbaceous filters are applied successively to the image. Since the flame image has a polygonal structure by nature, the number of edges of the flame region has been found. In the second stage, the mobility feature of the flame was utilized. For this purpose, the mobility of the flame was determined by comparing the video frames containing the fire image. The CNN method was used to detect the fire in the images. The CNN model was trained with the transfer learning method using the Inception V3, SequeezeNet, VGG16 and VGG19 trained models. As a result of the tests of the models, 98.8%, 97.0%, 97.3% and 96.8% classification success were obtained, respectively. With the proposed fire detection framework, it is thought that the damage caused by the fire can be reduced by early detection of the fire and timely intervention. © 2021, Ismail Saritas. All rights reserved.Conference Object Investigation of Different Reinforced Concrete Flooring and Different Building Foundation System Solutions in Terms of Building Cost(2018) Altın, MustafaComputer Aided Design (CAD) programs have entered a very rapid improvement process with support of artificial intelligence. The development of computer hardware systems also affects CAD programs. Development of computer hardware provides to get fast and safe results, to present economic solutions, to prepare as many alternatives as possible and most significantly to calculate the optimum cost for designed projects. The most essential subject in stage of preparation of the design is to prepare the safest, economical and aesthetic system without making concessions. The choice of construction system for construction in the project stage, preparation of projects according to different production systems and obtaining the most cost-effective materials by preparing the quantities are the priority subjects for the producer companies. In this study, commonly used CAD program in Turkey the IdeCAD Structural ver. 8.62 was used and for a light weighted workshop both architectural and reinforced statics project was prepared. Three different flooring systems are considered for the reinforced statics project. These are normal flooring, ribbed (filler-joist floor) flooring and Beamless flooring. Continuously and Spread foundation preferences were evaluated as the building basement system. Separately reinforced concrete static projects were prepared in accordance with current regulations. For all alternatives, concrete, mold and reinforcement quantities were prepared very quickly with the CAD program and cost analyzes were made at the current unit prices. All prepared alternatives have been compared and construction of the building by using normal flooring system and Spread foundation is decided as the most appropriate choice and recommendations are made.Article Citation - WoS: 20Citation - Scopus: 29Classification of Flame Extinction Based on Acoustic Oscillations Using Artificial Intelligence Methods(ELSEVIER, 2021) Taşpınar, Yavuz Selim; Köklü, Murat; Altın, MustafaFire, one of the most serious disasters threatening human life, is a chemical event that can destroy forests, buildings, and machinery within minutes. For this reason, there have been numerous methods developed to extinguish the fire. Within the scope of this study, a sound wave flame extinction system was developed in order to extinguish the flames at an early stage of the fire. The data used in the study were obtained as a result of experiments conducted with the developed system. The created dataset consists of data obtained from 17,442 experiments. It is aimed to classify the fuel type, flame size, decibel, frequency, airflow and distance features, and the extinction-non-extinction status of the flame through rule-based machine learning methods. In the study, rule-based machine learning methods, ANFIS (Adaptive-Network Based Fuzzy Inference Systems), CN2 Rule and DT (Decision Tree) were used. The methods of Box Plot, Scatter Plot and Correlation Analysis were utilized for statistical analysis of the data. As a result of the classifications, respectively, 94.5%, 99.91%, and 97.28% success were achieved with the ANFIS, CN2 Rule, and DT methods. As a result of the evaluations made by using Box Plot, Scatter Plot and Correlation Analysis.Article Citation - WoS: 7Citation - Scopus: 9Two Real Room Fire and the Evaluation of Its Consequences in Terms of Fire Safety(Elsevier, 2023) Altin, Mustafa; Kilicarslan, Muhammed FurkanIn this study, 1/1 scale Fire Experiment Laboratory was built to demonstrate the reality of fire with a real fire. In the prepared building, there are 2 fire test rooms measuring 300 x 350cm and 1 observation room measuring 190 x 620cm. In the fire tests, a living room and a bedroom were furnished by calculating the required fire loads. In the fire load calculation, a fire index value of 1.18 was obtained in the bedroom and a fire index value of 1.86 was obtained in the living room. Instant temperature values were taken for each second in the lower, middle and top zones of the fire rooms. The bedroom reached maximum temperatures around 1200 degrees C in the top zone, 800 degrees C in the middle zone and 400 degrees C in the lower zone. And in the living room, maximum temperatures were measured at around 900 degrees C in the top zone, 600 degrees C in the middle zone and 300 degrees C in the lower zone. Moreover, temperature changes outside the building were also recorded. According to the thermal camera images measured, the external wall temperature of the bedroom is around 25-31 degrees C at maximum temperature and the external wall temperature of the living room is around 41-46 degrees C at maximum temperature.Conference Object Experiment Investigation of Internet Use of Objects in Fire Detection and Extinguishing Systems(2019) Mustafa, O.; Altın, MustafaFire, one of the greatest inventions in the history of humanity, on the other hand, fire can lead to major disasters. The human know that he was the only organism capable of controlling fire and was also aware of the magnitude of disasters when he is unable to control it so he work to solve it by harnessing engineering information and modern technologies. The fire explodes very quickly in very short periods so it was found that the fire detection and rapid intervention to solve the problem before the exacerbation is critical. This project was practically tested in a specially prepared room to measure the success rate and efficiency. The completed construction, fire alarm and fire monitoring systems will be integrated into the Internet of Things (IoT) platform and necessary instructions will be created by means of smoke, flame, visual motion and temperature sensors, and when the system reaches that the result is fire, then, extinguishing systems will be started before the fire starts. The system will fire the fire alarm with the sound and light in the right place during the first response to the fire and thus will save time to evacuate people and save what they can from the important things they can in the building where they are located. The system also sends a fire notification via the Internet to the emergency department by calling their numbers or sending a notice on the location. The design here aims to determine the exact location of the fire starting point through the sensors and aims to conduct the initial intervention in the target point to reduce its spread. Since this system adopts wireless communication, it will be an important economic system that can be used in industrial plants.Article Citation - WoS: 4Citation - Scopus: 5Investigation of Gamma-Ray Radiation Shielding Properties of Zinc Borate and Paraffin Filled Sheep Wool Biopolymer Composites: Experimental and Theoretical Analysis(Pergamon-elsevier Science Ltd, 2025) Karatas, Ozgul; Ercan, Hatice Unal; Altin, Mustafa; Ogul, Hasan; Bulut, FatihThe present study examines the potential of sheep wool biopolymer composites filled with zinc borate and paraffin wax additives as a gamma-ray radiation shielding material. The selected novel composite samples were prepared with varying proportions of additive materials (10, 20, 30, and 40 wt%) so that impact of the additive amount on radiation shielding could be properly analyzed. Evaluations of specimens were performed at different energy levels ranging from 20 keV to 1.3325 MeV with help of a NaI scintillation detector, MC simulation (GEANT4) and WinXCOM theoretical calculation code. Following the production of shielding samples, the characterization and structural evaluation was performed using X-Ray Diffraction (XRD) and field emission scanning electron microscope (FE- SEM /EDX) supported by EDAX energy dispersive X-ray spectroscopy. The results demonstrate that the incorporation of additives into composite materials enhances the gamma attenuation capacity. The optimal gamma shielding performance is achieved with a 40 wt% ZnB40 composition, which exhibits superior shielding efficacy at lower gamma-ray energies. The MAC value of ZnB40 at 20 keV is about 2.7343 times higher than one of ZnB10 while it is about 1.2675 times greater at 80.9 keV. Moreover, it can be safely said that ZnB40 material can be a suitable option for insulating dentist rooms or buildings that require the use of regular aprons.Article Citation - WoS: 12Citation - Scopus: 17Acoustic-Driven Airflow Flame Extinguishing System Design and Analysis of Capabilities of Low Frequency in Different Fuels(Springer, 2022) Taşpınar, Yavuz Selim; Köklü, Murat; Altın, MustafaTraditional fire extinguishing methods can harm people and nature. For this purpose, in this study, no harmful acoustic-driven airflow fire extinguishing system was developed and experiments were carried out to extinguish gasoline, kerosene, thinner (synthetic thinner) liquid fuels and liquid petroleum gas (LPG) flames. 17,442 extinguishing experiments were conducted in 5 different flame sizes, 54 different frequencies and 10 cm to 190 cm distance range. The data obtained were analyzed using the polynomial regression method. For liquid fuels, the frequencies of 10 Hz to 50 Hz at a distance of 10 cm to 100 cm, 10 Hz to 32 Hz at a distance of 100 cm to 150 cm, and 10 Hz to 28 Hz at a distance of 150 cm to 180 cm are effective extinguishing ranges. LPG fuel, 10 Hz to 45 Hz at a distance of 10 cm to 140 cm, frequencies of 15 Hz to 30 Hz at a distance of 140 cm to 180 cm are effective extinguishing ranges. In addition, caused by the compression of the woofers membrane inside the collimator and the injected airflow at frequency of 30 Hz reduced the 12 cm diameter metal plate from 86.2 degrees C to 18.8 degrees C in 5 min, and the metal plate left to cool down from 80 degrees C to 21.7 degrees C in 10 min at a distance of 100 cm. The average Mean Square Error value obtained as a result of polynomial regression analysis is 0.9544, and the Root Mean Square Error value is 1.2020.Article The Comparison of Reinforced Concrete Dome and Fiber Composite Dome(2021) Özdemir, Sıtkı Alper; Altın, Mustafa; Çöğürcü, Mustafa TolgaThe dome has been used as an architectural overlay form since pre-Christian times. Until today, it has undergone a change in line with the effect of very different beliefs and very different cultures in many different geographies. This process of development and change has so much important effect on the mosque architecture which has been emerged with the birth of Islam. This study is a comparison of reinforced concrete dome which is traditionally built with the construction materials that are concrete, iron, formwork, scaffolding, and the fiber composite dome which has just been used technologically. These two manufacturing methods, which were compared in terms of cost analysis, were also evaluated from the point of building site manufacturing times and work safety risk. In addition, these two manufacturing methods were also compared in terms of the dome load amounts affecting the building carrier system. In terms of the amount of dome load to mosque carcass system, reinforced concrete and fiber composite dome productions have remarkable results as well as serious cost differences in terms of the two production types. It is thought that fiber composite domes which can be used in dome building type architecture of worships will have a significant usage area in the long term.
