Yazar "Celebi, Gulser" seçeneğine göre listele

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    ENVIRONMENTAL PROPERTIES OF ENVIRONMENTALLY FRIENDLY CONSTRUCTION MATERIALS: RECYCLED LDPE COMPOSITES FILLED BY BLAST FURNACE DUST
    (College Publishing, 2021) Kayili, Merve Tuna; Celebi, Gulser
    This study focused on creating a sustainable composite material using blast furnace dust of the iron-steel industry and plastic wastes of the plastic industry in order to reduce the embodied energy of the material and generate more sustainable material. In this study, varying amounts of blast furnace dust (BFD), which is the primary ironsteel industry waste and which is used as filler for recycled low-density polyethylene (LDPE), was mixed to create the composite material. The embodied energy, emissions to water and air (volatile organic compounds) of BFD filled LDPE composites were determined. It was found that the composite materials had less embodied energy compared with polymer-based flooring materials such as epoxy, polyurethane (PU) and polyvinylchloride (PVC). In addition, it was determined that the composite material did not release emissions to water and have fewer total volatile organic compounds (TVOCs). These results showed that the produced composite material could be used in buildings as a sustainable floor coating material, thus saving raw materials and supporting indoor air quality and recycling.
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    MORPHOLOGICAL, MECHANICAL, THERMAL AND TRIBOLOGICAL PROPERTIES OF ENVIRONMENTALLY FRIENDLY CONSTRUCTION MATERIALS: RECYCLED LDPE COMPOSITES FILLED BY BLAST FURNACE DUST
    (College Publishing, 2020) Kayili, Merve Tuna; Celebi, Gulser; Guldas, Abdulmecit
    This study focused on developing a sustainable composite material using metallic wastes of the iron-steel industry and plastic wastes of the plastic industry in order to reduce resultant waste from the production processes of various industrial products and to sustain waste management of these industries. In this study, different amounts of blast furnace dust (BFD), which is the major iron-steel industry waste and is used as filler for recycled low-density polyethylene (LDPE), was mixed with LDPE to produce the composite material. The morphology, mechanical, vicat softening temperature thermal conductivity, hardness and wear resistance properties of BFD filled LDPE composites were assessed. The increasing of BFD in recycled LDPE improved the heat resistance, increased thermal conductivity and wear resistance of composite materials. In addition, it was found that the composite materials had sufficient mechanical properties, when mechanical tests were evaluated. These results showed that the produced composite material could be used in buildings as a floor coating material and thereby saving raw materials and resources, as well as potentially reducing environmental problems.
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    A prospect to develop thermally robust outline design and to explore its applicability to the different climate necessities of Turkey
    (Oxford Univ Press, 2011) Harputlugil, Gulsu Ulukavak; Hensen, Jan; Celebi, Gulser
    It is widely accepted that decisions taken during the early phases of building design have a large impact on the actual performance during the lifetime of the building. The aim of this research is to explore the prospect of developing thermally robust outline design by incorporating sensitivity analysis in the design process. The work has been done by examining the sensitivity of energy performance of school building schemes which are still at an early stage of the building design process. In order to reveal the sensitivity difference towards climatic conditions, the analysis has been performed for four degree day regions of Turkey. A representative classroom block has been modelled by a dynamic simulation program and the input parameters were determined. The analysis has been carried out from the point of view of energy consumptions. The consequence of the research includes an attempt to develop a new, more thermally robust outline design concept, which is significantly more robust than the current general scheme. In order to test it, three pre-design alternatives were applied to different climatic regions to allow validation of the outcomes proposed in this study.