Airflow Analysis in Mechanically Ventilated Obstructed Rooms
Priest, John Brian
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https://hdl.handle.net/2142/86097
Description
Title
Airflow Analysis in Mechanically Ventilated Obstructed Rooms
Author(s)
Priest, John Brian
Issue Date
1999
Doctoral Committee Chair(s)
Christianson, Leslie L.
Department of Study
Agricultural Engineering
Discipline
Agricultural Engineering
Degree Granting Institution
University of Illinois at Urbana-Champaign
Degree Name
Ph.D.
Degree Level
Dissertation
Keyword(s)
Engineering, Aerospace
Language
eng
Abstract
It was concluded that for typical room flowrates and inlet types the room air distribution system is obstruction ratio independent. Local velocities and standard deviations varied with each obstruction setup and inlet combination. However, average air velocities and turbulence intensities were not influenced by obstruction setups or inlet configurations. The decay rate of mean velocity kinetic energy in the bulk flow region was independent of obstructions and inlets. Room average kinetic energy was a function of the supplied kinetic energy within the supply jet plus internal kinetic energy resulting from internal heat load (convective energy).
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