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Transactions: INTERNATIONAL JOURNAL of ENERGY and ENVIRONMENT
Transactions ID Number: 20-598
Full Name: Yufeng Yao
Position: Reader
Age: ON
Sex: Male
Address: Roehampton Vale, Friars Avenue, London SW15 3DW
Country: UNITED KINGDOM
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E-mail address: y.yao@kingston.ac.uk
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Title of the Paper: Numerical Simulation of Convective Airflow in an Empty Room
Authors as they appear in the Paper: Kana Horikiri, Yufeng Yao and Jun Yao
Email addresses of all the authors: k0209962@kingston.ac.uk, y.yao@kingston.ac.uk, junyao2010@hotmail.co.uk
Number of paper pages: 8
Abstract: Numerical simulation of airflow inside an empty room has been carried out for a forced convection, a natural convection and a mixed convection respectively, by using a computational fluid dynamics approach of solving the Reynolds-averaged Navier-Stokes fluid equations. Two-dimensional model was studied at first; focusing on the grid refinement, the mesh topology effect, and turbulence model influences. It was found that structured mesh results are in better agreement with available experimental measurements for all three scenarios. Further study using a three-dimensional model has shown very good agreements with test data at measuring points. Furthermore, present studies have revealed low-frequency flow unsteadiness by monitoring the time history of flow variables at measuring positions. This phenomenon has not yet reported and discussed in previous studies.
Keywords: Computational fluid dynamics, forced convection, mixed convection, natural convection
EXTENSION of the file: .pdf
Special (Invited) Session: Validation Study of Convective Airflow in an Empty Room
Organizer of the Session: 301-229
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