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Heat Transfer Research
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ISSN Imprimir: 1064-2285

ISSN En Línea: 2162-6561

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RADIANT CEILING COOLING CHARACTERISTICS AND THERMAL COMFORT FOR OFFICE ROOMS

Volumen 51, Edición 10, 2020, pp. 909-923
DOI: 10.1615/HeatTransRes.2020033104
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Ibrahim Yasin Terzioglu
Gazi University, Faculty of Engineering, Department of Mechanical Engineering and Clean Energy Research and Application Center (TEMENAR), Ankara, Turkey
Oguz Turgut
Gazi University, Faculty of Engineering, Department of Mechanical Engineering and Clean Energy Research and Application Center (TEMENAR), Ankara, Turkey

SINOPSIS

Radiant ceiling cooling systems are used for both thermal comfort condition and energy saving due to the higher supply temperatures with respect to the classical air ventilation systems. In this paper, the characteristics of radiant ceiling cooling system and thermal comfort conditions have been investigated numerically. A three-dimensional mathematical model is simulated using ANSYS Fluent 17.0. Heat transfer in the concrete panel and typical office room is studied. The examined parameters are the pipe configuration type, supply velocity, and supply temperature. Thermal comfort conditions are examined for an office room with one person and two persons. Numerical results are validated with the literature results, and the results are found to be consistent with each other. The results show that a labyrinth pipe configuration gives better comfort conditions than a spiral pipe configuration. Proper values of supply velocity and temperature for the labyrinth pipe configuration are found as 0.49 m/s and 14°C, respectively.

PALABRAS CLAVE: ceiling cooling, radiant cooling, CFD, cooling application, condensation, thermal comfort
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CITADO POR

  1. Xing Daoming, Li Nianping, Zhang Chen, Heiselberg Per, A critical review of passive condensation prevention for radiant cooling, Building and Environment, 205, 2021. Crossref

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