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AIR FLOW THROUGH LOUVERED OPENINGS:
EFFECT OF LOUVER SLATS ON AIR MOVEMENT INSIDE A SPACE
by
Deepa Chandrashekaran
A Thesis Presented to the
FACULTY OF THE USC SCHOOL OF ARCHITECTURE
UNIVERSITY OF SOUTHERN CALIFORNIA
In Partial Fulfillment of the
Requirements for the Degree
MASTER OF BUILDING SCIENCE
December 2010
Copyright 2010 Deepa Chandrashekaran
Object Description
| Title | Air flow through louvered openings: effect of louver slats on air movement inside a space |
| Author | Chandrashekaran, Deepa |
| Author email | deepacha@usc.edu; creations.deepa@gmail.com |
| Degree | Master of Building Science |
| Document type | Thesis |
| Degree program | Building Science |
| School | School of Architecture |
| Date defended/completed | 2010-08-30 |
| Date submitted | 2010 |
| Restricted until | Unrestricted |
| Date published | 2010-09-07 |
| Advisor (committee chair) | La Roche, Pablo |
| Advisor (committee member) |
Buntine, Chris Simmonds, Peter Noble, Douglas |
| Abstract | Exterior louvered openings can block direct sunlight and permit air flow at the same time, thus providing shading and natural ventilation. The main objectives of this research are to investigate the effect of different louver slat angles on (1) interior velocities and (2) the interior air flow characteristic, for three given exterior wind speeds. Wind tunnel testing was completed using a scaled physical model having louver slats at 0o, 15 o, 30 o and 45o angles at the inlet and outlet. The resulting velocities were measured at a horizontal plane across the model. A smoke machine was used to visualize the airflow characteristics inside the model. The results from the experiment were then compared with CFD simulations. The results show that louver angles affect the direction and volume of air flow through the window thus influencing the velocities inside the space.The accelerating trend of interior air velocities by 0, 15 and 30 degree louvers and the relatively lower velocities but more directional airflow through the 45 degree louver can affect the thermal comfort conditions in a naturally ventilated space. |
| Keyword | airflow; computational fluid dynamics; louvers; natural ventilation; thermal comfort; wind tunnel |
| Language | English |
| Part of collection | University of Southern California dissertations and theses |
| Publisher (of the original version) | University of Southern California |
| Place of publication (of the original version) | Los Angeles, California |
| Publisher (of the digital version) | University of Southern California. Libraries |
| Provenance | Electronically uploaded by the author |
| Type | texts |
| Legacy record ID | usctheses-m3426 |
| Rights | Chandrashekaran, Deepa |
| Repository name | Libraries, University of Southern California |
| Repository address | Los Angeles, California |
| Repository email | http://www.usc.edu/isd/libraries/services/ask_a_librarian/email/ |
| Filename | etd-Chandrashekaran-3525 |
| Archival file | uscthesesreloadpub_Volume29/etd-Chandrashekaran-3525.pdf |
Description
| Title | Page 1 |
| Full text | AIR FLOW THROUGH LOUVERED OPENINGS: EFFECT OF LOUVER SLATS ON AIR MOVEMENT INSIDE A SPACE by Deepa Chandrashekaran A Thesis Presented to the FACULTY OF THE USC SCHOOL OF ARCHITECTURE UNIVERSITY OF SOUTHERN CALIFORNIA In Partial Fulfillment of the Requirements for the Degree MASTER OF BUILDING SCIENCE December 2010 Copyright 2010 Deepa Chandrashekaran |
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