Yazar "Kayacı, Nurullah" için listeleme
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Comparative performance analysis of building foundation Ground heat exchanger
Kayacı, Nurullah; Demir, Hakan (Pergamon-Elsevier Science Ltd, 2020)The aim of this work is to improve the performance of Ground-Source Heat Pumps (GSHPs) by placing the heat exchanger pipes in the soil under the building foundation and in the building foundation reconstructed in Turkey. ... -
Energy and exergy analysis and thermo-economic optimization of the ground source heat pump integrated with radiant wall panel and fan-coil unit with floor heating or radiator
Kayacı, Nurullah (Pergamon-Elsevier Science Ltd, 2020)Current study is aimed at making the most appropriate design considering the dynamic energy, exergy and economic analysis of Ground Source Heat Pumps (GSHP). The energy required to heat and to cool a 200 m(2) office in ... -
Experimental and numerical investigation of ground heat exchangers in the building foundation
Kayacı, Nurullah; Demir, Hakan; Kanbur, Baris Burak; Atayılmaz, Sevket Ozgur; Agra, Özden; Acet, Rusen Can; Gemici, Zafer (Pergamon-Elsevier Science Ltd, 2019)The current study proposes a novel method with the experimental and numerical studies for the ground source heat pumps, which are known as environment-friendly and efficient heating & cooling systems to overcome their ... -
An experimental comparison of radiant wall and ceiling cooling system integrated with ground source heat pump and direct expansion fan coil system in a highly glazed office room
Doğan, Ahmet; Kayacı, Nurullah; Demir, Hahan; Kemal Sevindir, M. (Elsevier Ltd, 2022)Hydronic radiant systems, which provide a thermal comfort environment, come to the fore in different building applications due to their energy saving potential and being integrated with renewable energy systems. The aim ... -
Experimental investigation of thermal comfort performance of a radiant wall and ceiling panel system
Doğan, Ahmet; Kayacı, Nurullah; Demir, Hahan; Kemal Sevindir, M. (Yildiz Technical University, 2022)The number of radiant heating-cooling systems in building applications is increasing it is because of low energy consumption, low operating temperature and high values they provide in terms of working compatibility with ... -
Flow optimization in a microchannel with vortex generators using genetic algorithm
Gönül, A.; Okbaz, A.; Kayacı, Nurullah; Selim Dalkılıç, A. (Elsevier Ltd, 2022)In this study, delta winglet-type vortex generators, widely used in conventional macro channels and proven to be effective, are used in microchannels to increase their heat transfer capacities. The effects of vortex ... -
Numerical and Economic Analysis of Hydronic-Heated Anti-Icing Solutions on Underground Park Driveways
Kayacı, Nurullah; Kanbur, Barış Burak (Mdpi, 2023)Snow and ice forming on the entrance and exit driveways of underground car parks of buildings brings serious difficulties and risks in safe parking for vehicles in winter. Even though traditional methods such as chemical ... -
Prediction of heat transfer characteristics in a microchannel with vortex generators by machine learning
Gönül, Alişan; Çolak, Andaç Batur; Kayacı, Nurullah; Okbaz, Abdülkerim; Dalkılıç, Ahmet Selim (Walter De Gruyter Gmbh, 2023)Because of the prompt improvements in Micro-Electro-Mechanical Systems, thermal management necessities have altered paying attention to the compactness and high energy consumption of actual electronic devices in industry. ... -
Zemin altı otopark yol yüzeylerinde buzlanma önleyici sistemin hidronik ısıtma kaplaması kullanılarak sayısal olarak modellenmesi
Kayacı, Nurullah (2022)Metropol kentlerde yüksek katlı binalar veya rezidansların kış aylarında Zemin altı otoparklarının giriş ve çıkış alanlarında oluşan kar veya buz nedeniyle araçların otoparka giriş ve çıkışları neredeyse imkansızdır. Bir ...