ypically one would use a non-reactive substance such as smoke or sulfur hexafluoride is used to determine the air exchange rate in a room. By monitoring the decay in concentration with time, one can estimate the exchange rate (1). The governing equation is C = C, exp (-It)
ypically one would use a non-reactive substance such as smoke or sulfur hexafluoride is used to determine the air exchange rate in a room. By monitoring the decay in concentration with time, one can estimate the exchange rate (1). The governing equation is C = C, exp (-It)
Introduction to Chemical Engineering Thermodynamics
8th Edition
ISBN:9781259696527
Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Chapter1: Introduction
Section: Chapter Questions
Problem 1.1P
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Transcribed Image Text:Typically one would use a non-reactive substance such as smoke or sulfur
hexafluoride is used to determine the air exchange rate in a room. By
monitoring the decay in concentration with time, one can estimate the
exchange rate (1). The governing equation is
C = C, exp (-It)
For the data presented below, plot C vs. time and determine the slope
(i.e., I, the air exchange rate, ach
air changes per hour).
Time, hr Concentration. ppm
0.0
10.0
0.5
8.0
1.0
6.0
1.5
5.0
2.0
3.5
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