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Bursa Uludağ University aims to contribute to the advancement of science and technology by adopting clear, reproducible and reliable research outputs and applications; It is committed to the broad dissemination of information for the benefit of society and all its external stakeholders.
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Recent Submissions
Quantitative assessment of postgraduate theses in Türkiye about yarn production technology
(Bursa Uludağ Üniversitesi, 2023-10-11) Var, Cansu; Palamutcu, Sema
Yarn and spinning technology is a complex process that is a combination of raw materials, machinery, and automation technology where continuous improvements, researches and innovations run progressively. For the evolution of spinning technology, academic publications, postgraduate theses, andtechnological contributions of related shareholders must be considered as adherent supplements. Aim ofthis study is to examine the accomplished 236 postgraduate theses related to conventional and noveltextile fibre types, staple spun/filament yarn technology and machinery, yarn types with structural andfunctional varieties, and modified spinning technologies in Turkish Universities. Moreover, it is aimed toreveal any trend in theses on yarn technology and the regional textile clusters in Türkiye. Themethodology of the pursuit is a quantitative assessment where postgraduate level, thesis subject, year ofthesis defence, and raw materials used in the theses are concerned. The findings showed that research ersfocussed on conventional spinning systems and yarns in parallel with the spinning capacity and importpotential of the country. Other extractions of the study are; classical ring system is mostly studied by there searchers, modern spinning technologies are included in many theses, reflections of globalcircumstances are distinguished in theses with keywords of manmade/recycled fibres, and blended yarns.
The effect of phase change materials on room temperature for winter and summer
(Bursa Uludağ Üniversitesi, 2023-07-17) Soğukpınar, Hacı; Bozkurt, İsmail
The efficient use of our existing energy resources is as important as finding new energy sources, since the demand for energy is increasing day by day. Heating and cooling loads in buildings constitute a large part of energy consumption. Therefore, it is very important to improve the energy performance of buildings. The utilization of phase change materials to increase the energy efficiency of buildings is one of the recent research topics. In this study, the effect of phase change materials on room temperature for winter and summer months was investigated numerically by defining real environmental conditions in the virtual environment. Phase change material with thermophysical properties suitable for Mediterranean climate conditions was selected for summer and winter. It can keep the room temperature at a slightly lower level during the daytime in summer and the room temperature higher in winter than in the insulated state case. As a result, phase change materials can be used as a natural air conditioner in the summer, as well as a natural heater at night in the winter. On the other hand, smart bricks can be produced that can absorb the heat transmitted from the inside to the outside by using different phase-change materials.
Alternative lightweight composite facing members for reinforced soils
(Bursa Uludağ Üniversitesi, 2023-11-13) Evirgen, Burak; Tunaboyu, Onur; Büyük, Barış; Çil, Gizem Tuğçe
Steel reinforced concrete facing members, which are used to fix geosynthetic reinforcements working against tensile forces inside soils and to resist active lateral earth pressures, have certain disadvantages, such as massiveness and corrosion. In addition, the aforementioned conventional panels arenot economical since they frequently require maintenance and repair in terms of long-term stability. In thisstudy, the utility of alternative composite panels is evaluated with the various arrangement and type of fiberreinforcements and a typical foam concrete. Panel tests and three-point bending tests are realized to determine the experimental behavior of steel, carbon fiber (CFRP) and glass fiber reinforced (GFRP) specimens, as well as unreinforced examples. Although CFRP wrapped specimens cannot reach expectedlevels, samples with GFRP present favorable performance as well as being cheaper. Specimens with matGFRP enhance both strength and deformation capacities according to the results of axial and lateraldeformations under diagonal loading condition. In addition, chopped GFRP applied foam concret especimens have more strength in terms of bending test results, but CFRP reinforcements increase the irdisplacement capacity.
An lot based application on the detection of car parking area by an artificial intelligence approach
(Bursa Uludağ Üniversitesi, 2023-07-14) Karakaya, Oğuzhan; Gültekin, Fikret Mert; Başkaya, Mert; Doğan, Yunus
Nowadays, smart cities solutions have been becoming popular day by day. The problem of finding a parking place is one of these implementations. Our study appeals to users who want to park their vehicle quickly and who want to find out whether the parking place is available to park before searching for a parking place. This application aims to find a solution to the problem of searching for a place to park. We have found a novel solution to this problem by using image processing methods and utilizing photographs of streetside parking places in the most effective way. In addition, an Android software has been developed through which we can deliver the results obtained with the image processing module to users via a mobile application. As a result, a parking IoT determination system has been implemented in this study with 92% accuracy value. Thanks to this system, vehicle owners who want to park their vehicles on the side of the street will be able to learn whether the parking places in a street are available in advance and they will be able to save their time by preferring more available streets.