Evaluation of the effects of contaminant injection location and injection method on the determination of overall relative room ventilation efficiency /

a real room. Ventilation effectiveness was calculated using

Bibliographic Details
Main Author: Pierce, Stephen Dale
Format: Thesis eBook
Language:English
Published: [Place of publication not identified] : [publisher not identified] ; 1994.
Subjects:
Online Access:Link to OAKTrust copy
Description
Summary:a real room. Ventilation effectiveness was calculated using
averages. The second problem was analyzed further using an
changed. However, statistically different ventilation
concentration, Ctme SS/C assumed Ss, and finite integration
concept called ventilation effectiveness at several points in
conclusion the pulse injection method is better than the
data depends on the amount of scatter in the data. In
defined for all integration times and has less uncertainty.
discontinuity, but the quality of fit of the function to the
effectiveness changed as the injection point location was
effectiveness factors were only found between the typical and
equation for ventilation effectiveness has a singularity when
equation is not defined for all values of the ratio of the
exponential function characterizing a perfectly mixed room.
extrapolating to infinity is one method to avoid the
in four different locations in a room. Using the pulse
injection method. The first problem was the estimation of
it is evaluated over a finite measurement time. The first
method of injection, the calculated average ventilation
problem was solved using control chart techniques for running
stagnant injection locations. Two major problems were found
steady state concentration. The second problem was that the
step-up injection method because ventilation effectiveness is
The analysis revealed that the ventilation effectiveness
the pulse and step-up injection methods which were performed
The purpose of this research is to evaluate an emerging
times. Fitting an equation to the concentration data and
true steady state concentration to the assumed steady state
while calculating ventilation effectiveness for the step-up
Item Description:"Major subject: Safety Engineering".
Vita.
Physical Description:ix, 50 leaves : illustrations ; 28 cm.
Also available online.
Bibliography:Includes bibliographical references.