alexa Simulation of Airflow and Wind Pressure Coefficient in a Naturally Ventilated Classroom Model Using Environmental Wind Tunnel and CFD Modelling
ISSN: 2165-784X

Journal of Civil & Environmental Engineering
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Research Article

Simulation of Airflow and Wind Pressure Coefficient in a Naturally Ventilated Classroom Model Using Environmental Wind Tunnel and CFD Modelling

Radha Goyal1* and Mukesh Khare2
1Scientist Fellow, National Environmental Engineering Research Institute (NEERI), Delhi Zonal Laboratory, CSIR R&D centre, Naraina Industrial Area, Delhi, India
2Professor, Department of Civil Engineering, Indian Institute of Technology, Delhi, Hauz Khas, New Delhi, India
Corresponding Author : Radha Goyal
Scientist Fellow, National Environmental Engineering Research Institute (NEERI), Delhi Zonal Laboratory
CSIR R & D centre, Naraina Industrial Area
Delhi, India
E-mail: [email protected]
Received July 27, 2012; Accepted August 26, 2012; Published September 10, 2012
Citation: Goyal R, Khare M (2012) Simulation of Airflow and Wind Pressure Coefficient in a Naturally Ventilated Classroom Model Using Environmental Wind Tunnel and CFD Modelling. J Civil Environ Eng S1:001. doi:10.4172/2165-784X.S1-001
Copyright: © 2012 Goyal, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

Abstract

The article presents an experimental study, which has been carried out in an environmental wind tunnel to measure the mean pressures and pressure differences at inlet and outlet of various openings of a naturally ventilated classroom model of a school building located near an urban roadway in the city of Delhi. The wind pressure coefficients have been measured and analyzed for different wind incidence angles and for varying classroom opening configurations representing the change in behavior of building occupants in different seasons of the year. The article also presents the results of a CFD modeling carried out to estimate the wind velocity and turbulent intensity in and around the classroom model to understand the actual airflow pattern inside the classroom. The present study is an effort to understand the occurrence of ventilation in naturally ventilated buildings and finally to evaluate the indoor air quality in such buildings

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