Yazar "RTEÜ, Mühendislik ve Mimarlık Fakültesi, Makine Mühendisliği Bölümü" için Mühendislik Fakültesi listeleme
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Experimental investigation of flow boiling in single minichannels with low mass velocities
Markal, Burak; Candan, Ayşe; Aydın, Orhan; Avcı, Mete (Pergamon-Elsevier Science Ltd, 2018)Flow boiling characteristics in a single minichannel with the aspect ratio of 2 (1.8 mm width and 0.9 mm height) are studied experimentally. Experiments are conducted for different values of the wall heat flux (in the range ... -
Experimental investigation of heat transfer characteristics and wall pressure distribution of swirling coaxial confined impinging air jets
Markal, Burak (Pergamon-Elsevier Science Ltd, 2018)In the present study, swirling coaxial confined impinging turbulent air jets issuing from a novel designed nozzle is studied experimentally. Heat transfer characteristics and pressure distribution on the impingement plate ... -
Experimental performance assessment of a novel insulation plaster as an energy-efficient retrofit solution for external walls: A key building material towards low/zero carbon buildings
Cüce, Erdem; Cüce, Pınar Mert; Alvur, Emre; Yılmaz, Yusuf Nadir; Saboor, Shaik; Ustabaş, İlker; Linul, Emanoil; Asif, Mohammad (Elsevier, 2023)Thermal insulation plasters have become the focus of attention in the building sector. Among the most important reasons for this is the high thermal energy losses of the buildings. Since conventional briquettes used in ... -
Experimental research on machinability characteristics of Al-9Si alloy: Effect of Sr and Mg additives
Hekimoğlu, Ali Paşa; Bayraktar, Şenol (Sage Publications, 2022)In this study, the effects of strontium (Sr) and magnesium (Mg) elements in certain rates added to Al-9Si alloy manufactured using permanent mold casting technique on the structural, mechanical, and machinability properties ... -
Experimental studies and comprehensive computational investigations on composites-based phase change material for battery thermal management systems in electric vehicles
Subramanian, Mohankumar; Solomon, Jenoris Muthiya; Raja, Vijayanandh; Stanislaus Arputharaj, Beena; Shaik, Saboor; Saleel, C Ahamed; Alwetaishi, Mamdooh; Cüce, Erdem (Elsevier, 2024)Battery Thermal Management System plays a significant role in maintaining the health of the batteries for the long run. Active-based cooling technologies, due to the lesser thermal conductivity of air and parasitic losses, ... -
Experimental studies of latent heat storage based solar air heater for space heating: A comparative analysis
Saxena, Abhishe; Cüce, Erdem; Singh, Desh Bandhu; Sethi, Muneesh; Cüce, Pınar Mert; Sagade, Atul A.; Kumar, Avnish (Elsevier, 2023)There are numerous applications of solar energy technology, among which an air heating system is commonly used for space heating, wood seasoning, industrial drying, etc. Previous research focuses on the bulk usage of ... -
Experimental study of single-phase fluid flow and heat transfer characteristics in rectangular microchannels
Markal, Burak; Aydın, Orhan; Avcı, Mete (2018)In this study, single-phase laminar flow of deionized water through microchannel heat sinks is investigated experimentally. Heat sinks including twenty-nine parallel rectangular channels have been used as the test samples. ... -
Experimental study on machinability of pre-hardened Toolox 44 and Nimax mould steels
Bayraktar, Şenol; Uzun, Gültekin (Gazi Üniversitesi Mühendislik Mimarlık Fakültesi, 2021)In this study, the machinability of Nimax and Toolox 44 materials, which are among the mould steels was investigated experimentally. Cutting experiments were carried out with PVD-AlCrN coated carbide end mill using three ... -
An experimental study on microstructural, mechanical and machinability properties of as-cast and heat-treated al-7Si-mg alloy
Alparslan, Cem; Bayraktar, Şenol (Springer, 2024)The automotive industry is constantly striving for targets for the development of lightweight materials for less fuel consumption and carbon emissions. For this purpose, lighter and higher-performance Al-Si alloys with ... -
Extended 2-D magnetic field modeling of linear motor to investigate the magnetic force parameters of high-speed superconducting maglev
Öztürk, Ufuk Kemal; Abdioğlu, Murat; Özkat, Erkan Caner; Mollahasanoğlu, Hakkı (IEEE, 2023)A 2-D numerical finite-element model of a linear synchronous motor (LSM) is extended based on the magnetic field and moving mesh properties to investigate the magnetic flux and magnetic force characteristics of the high-speed ... -
Extensive analysis of a reinvigorated solar water heating system using low-density polyethylene glazing
Duraivel, Balamurali; Muthuswamy, Natarajan; Shaik, Saboor; Cüce, Erdem; Owolabi, Abdulhameed Babatunde; Li, Hong Xian; Kavgic, Miroslava (MDPI, 2023)Solar energy is one of the most promising forms of alternative energy because it has no adverse effects on the environment and is entirely free. Converting solar energy into thermal energy is the most common and straightforward ... -
Fast pyrolysis of tea bush, walnut shell, and pine cone mixture: Effect of pyrolysis parameters on pyrolysis crop yields
Kar, Turgay; Kaygusuz, Ömer; Güney, Mükrimin Şevket; Cüce, Erdem Cüce; Keleş, Sedat; Shaik, Saboor; Owolabi, Abdulhameed Babatunde; Nsafon, Benyoh Emmanuel Kigha; Ogunsua, Johnson Makinwa; Huh, Jeung-Soo (MDPI, 2023)Liquid products obtained by the fast pyrolysis process applied to biomass can be used as chemical raw materials and liquid fuels. In this study, tea bush, walnut shell, and pine cone samples selected as biomass samples ... -
Floating PVs in Terms of Power Generation, Environmental Aspects, Market Potential, and Challenges
Cüce, Erdem; Cüce, Pınar Mert; Saboor, Shaik; Ghosh, Aritra; Sheikhnejad, Yahya (MDPI, 2022)Limited reserves of fossil fuels, rising environmental concerns, and a remarkable increase in electricity demand have led to the necessity of harnessing solar energy on a large scale. For this purpose, there has been a ... -
Flow boiling characteristics in a novel minichannel with a step on each corner
Markal, Burak; Candan, Ayşe; Aydın, Orhan (Taylor & Francis Inc, 2020)In the present study, flow boiling in a single minichannel with a longitudinal step on its each corner is studied experimentally. Bubble/flow dynamics, and thus, underlying physical phenomenon is investigated through ... -
Global technological advancement and challenges of glazed window, facade system and vertical greenery-based energy savings in buildings: A comprehensive review
Akram, M. Washim; Hasannuzaman M.; Cüce, Erdem; Cüce, Pınar Mert (Elsevier, 2021)There are many factors that have a major influence on reducing the energy expenditure in building sector. This research aims at qualitative and quantitative assessment of those factors such as double glazed windows, vertical ... -
Green hydrogen and fuel cell systems
Karakoç Hikmet; Midilli, Adnan; Turan, Önder (Wiley-Blackwell, 2013)This special issue consists of original, peer-reviewed articles, most of which were presented at the Sixth International Green Energy Conference (IGEC-6), held in Eskisehir, Turkey, on 5–9 June 2011. -
Green hydrogen energy system: A policy on reducing petroleum-based global unrest
Midilli, Adnan (Inderscience Publishers, 2016)This paper investigates the role of green hydrogen energy system in reducing petroleum-based global unrest. For this purpose, in terms of the policy parameters, the followings are discussed: 1) the main factors accelerating ... -
Hava değişim katsayısının kirleticileri uzaklaştırma performansına etkisinin incelenmesi
Çetin, Yunus Emre; Avcı, Mete; Aydın, Orhan (Gazi Üniversitesi, 2021)In this study, the effect of air change rate on particle dispersion is investigated experimentally and numerically for different contaminant source positions. An experimental study is carried out on a reduced scale model ... -
Heat dissipation and fluid flow in micro-channel heat sink equipped with semi-elliptical pin-fin structures: A numerical study
Ali, Naushad; Srivastava, Shivam; Haque, Injamamul; Yadav, Jagmohan; Alam, Tabish; Siddiqui, Tauseef Uddin; Siddiqui, Md Irfanul Haque; Cüce, Erdem (Elsevier, 2024)Effective thermal management and temperature regulation are crucial for the optimal performance and safety of miniaturized modern electronic, electrical, and electrochemical devices, as they are prone to overheating. ... -
Heat storage and release performance of cascade phase change units for solar heating in a severe cold region of China
Zhang, Li; Liu, Zhihui; Jin, Guang; Cüce, Erdem; Jin, Jing; Guo, Shaopeng (MDPI, 2022)The heat storage and release performance of cascade phase change units are investigated numerically for users in Inner Mongolia's severe cold region. Three schemes of phase change material combinations are thoroughly tested. ...