ASHRAE Journal - July 2022 - 10
TECHNICAL FEATURE
Inhaled Mass and
Particle Removal
Dynamics in
Commercial Buildings
And Aircraft Cabins
BY STEPHEN TRENT; ANGELA DAVIS; TATEH WU, PH.D.; DANNY MENARD; JOSHUA J. CUMMINS, PH.D.; JOSHUA L. SANTARPIA, PH.D.; NELS OLSON, PH.D.
Computational fl uid dynamics (CFD) models of an aircraft cabin and an indoor
commercial space (ICS) were used to characterize the spread of aerosols generated by
a coughing or breathing person suffering from a respiratory illness. Occupant exposure
to these aerosols was then compared between the ICS and the aircraft cabin.
The lifetime of the aerosols, system designs and airfl ow patterns that reduce their
concentration over time were also examined. Differences between steady state and
well-mixed conditions were identifi ed and comparisons made between the model
environments. The CFD analysis results were also compared to empirical data from a
U.S. Transportation Command study that tracked particles introduced by simulated
infectious individuals in an airplane cabin environment.
Stephen Trent is an engineer in the Cabin Environment/Air Quality group within Environmental Control Systems for Boeing Commercial Airplanes. He is the vice chair of ASHRAE
Standard 161 and TC 9.3. Angela Davis is a materials and chemical engineer within the Chemical Technology group in Boeing Research and Technology. Tateh Wu, Ph.D., is an associate
technical fellow of Boeing Commercial Airplanes in the Environmental Control Systems (ECS) organization. Danny Menard is a fl ight engineer in Boeing Defense, Space and
Security. Josh Cummins, Ph.D., is the probabilistic analytics team lead and a senior manager in Boeing's Safety Management System for Boeing Global Services and Boeing Test
and Evaluation. Joshua L. Santarpia, Ph.D., is the research director for Counter WMD programs at the National Strategic Research Institute, associate professor of microbiology and
pathology and program director for Biodefense and Health Security Degree Program at the University of Nebraska Medical Center. Nels Olson, Ph.D., is an analytical chemist with
over 43 years of experience working in engineering, biotechnology and aerospace industrial and academic environments.
This peer-reviewed article does not represent offi cial ASHRAE guidance. For more information on ASHRAE resources on COVID-19, visit ashrae.org/COVID19.
10
ASHRAE JOURNAL ashrae.o rg J U LY 2 0 2 2
http://www.ashrae.org/COVID19
http://ashrae.org
ASHRAE Journal - July 2022
Table of Contents for the Digital Edition of ASHRAE Journal - July 2022
Contents
ASHRAE Journal - July 2022 - Intro
ASHRAE Journal - July 2022 - BB1
ASHRAE Journal - July 2022 - BB2
ASHRAE Journal - July 2022 - Cover1
ASHRAE Journal - July 2022 - Cover2
ASHRAE Journal - July 2022 - 1
ASHRAE Journal - July 2022 - Contents
ASHRAE Journal - July 2022 - 3
ASHRAE Journal - July 2022 - 4
ASHRAE Journal - July 2022 - 5
ASHRAE Journal - July 2022 - 6
ASHRAE Journal - July 2022 - 7
ASHRAE Journal - July 2022 - 8
ASHRAE Journal - July 2022 - 9
ASHRAE Journal - July 2022 - 10
ASHRAE Journal - July 2022 - 11
ASHRAE Journal - July 2022 - 12
ASHRAE Journal - July 2022 - 13
ASHRAE Journal - July 2022 - 14
ASHRAE Journal - July 2022 - 15
ASHRAE Journal - July 2022 - 16
ASHRAE Journal - July 2022 - 17
ASHRAE Journal - July 2022 - 18
ASHRAE Journal - July 2022 - 19
ASHRAE Journal - July 2022 - 20
ASHRAE Journal - July 2022 - 21
ASHRAE Journal - July 2022 - 22
ASHRAE Journal - July 2022 - 23
ASHRAE Journal - July 2022 - 24
ASHRAE Journal - July 2022 - 25
ASHRAE Journal - July 2022 - 26
ASHRAE Journal - July 2022 - 27
ASHRAE Journal - July 2022 - 28
ASHRAE Journal - July 2022 - 29
ASHRAE Journal - July 2022 - 30
ASHRAE Journal - July 2022 - 31
ASHRAE Journal - July 2022 - 32
ASHRAE Journal - July 2022 - 33
ASHRAE Journal - July 2022 - 34
ASHRAE Journal - July 2022 - 35
ASHRAE Journal - July 2022 - 36
ASHRAE Journal - July 2022 - 37
ASHRAE Journal - July 2022 - 38
ASHRAE Journal - July 2022 - 39
ASHRAE Journal - July 2022 - 40
ASHRAE Journal - July 2022 - 41
ASHRAE Journal - July 2022 - 42
ASHRAE Journal - July 2022 - 43
ASHRAE Journal - July 2022 - 44
ASHRAE Journal - July 2022 - 45
ASHRAE Journal - July 2022 - 46
ASHRAE Journal - July 2022 - 47
ASHRAE Journal - July 2022 - 48
ASHRAE Journal - July 2022 - 49
ASHRAE Journal - July 2022 - 50
ASHRAE Journal - July 2022 - 51
ASHRAE Journal - July 2022 - 52
ASHRAE Journal - July 2022 - 53
ASHRAE Journal - July 2022 - 54
ASHRAE Journal - July 2022 - 55
ASHRAE Journal - July 2022 - 56
ASHRAE Journal - July 2022 - 57
ASHRAE Journal - July 2022 - 58
ASHRAE Journal - July 2022 - 59
ASHRAE Journal - July 2022 - 60
ASHRAE Journal - July 2022 - 61
ASHRAE Journal - July 2022 - 62
ASHRAE Journal - July 2022 - 63
ASHRAE Journal - July 2022 - 64
ASHRAE Journal - July 2022 - 65
ASHRAE Journal - July 2022 - 66
ASHRAE Journal - July 2022 - 67
ASHRAE Journal - July 2022 - 68
ASHRAE Journal - July 2022 - 69
ASHRAE Journal - July 2022 - 70
ASHRAE Journal - July 2022 - 71
ASHRAE Journal - July 2022 - 72
ASHRAE Journal - July 2022 - 73
ASHRAE Journal - July 2022 - 74
ASHRAE Journal - July 2022 - 75
ASHRAE Journal - July 2022 - 76
ASHRAE Journal - July 2022 - 77
ASHRAE Journal - July 2022 - 78
ASHRAE Journal - July 2022 - 79
ASHRAE Journal - July 2022 - 80
ASHRAE Journal - July 2022 - 81
ASHRAE Journal - July 2022 - 82
ASHRAE Journal - July 2022 - 83
ASHRAE Journal - July 2022 - 84
ASHRAE Journal - July 2022 - 85
ASHRAE Journal - July 2022 - 86
ASHRAE Journal - July 2022 - 87
ASHRAE Journal - July 2022 - 88
ASHRAE Journal - July 2022 - 89
ASHRAE Journal - July 2022 - 90
ASHRAE Journal - July 2022 - 91
ASHRAE Journal - July 2022 - 92
ASHRAE Journal - July 2022 - 93
ASHRAE Journal - July 2022 - 94
ASHRAE Journal - July 2022 - 95
ASHRAE Journal - July 2022 - 96
ASHRAE Journal - July 2022 - 97
ASHRAE Journal - July 2022 - 98
ASHRAE Journal - July 2022 - 99
ASHRAE Journal - July 2022 - 100
ASHRAE Journal - July 2022 - 101
ASHRAE Journal - July 2022 - 102
ASHRAE Journal - July 2022 - 103
ASHRAE Journal - July 2022 - 104
ASHRAE Journal - July 2022 - Cover3
ASHRAE Journal - July 2022 - Cover4
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_WMMDFY
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_HTDEWQ
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_FYONLJ
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_amca_2024november_v2
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_amca_2024november
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_BDMHLG
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_WJDGRY
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_ATMAHK
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_VHQRAW
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_XGMDXI
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_YELQLJ
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_QJLWMC
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_MCDEBX
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_WNYSQY
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_XATVOD
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_FJSHSS
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_CCBZDS
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_XDEFVG
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_amca_2023november_v2
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_amca_2023november
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_VHGNBL
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_WPKBNJ
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_UUVCDE
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_RTGDEW
https://www.nxtbook.com/nxtbooks/ashrae/ashraemexico_2023
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_LKRFXS
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_AZSOFG
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_ERCDBH
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_QWDFRV
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_JHGVDF
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_OPUYHG
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_SREIBM
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_LRTGLK
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_OKRFGH
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_amca_2022november_v2
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_amca_2022november
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_TZSERA
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_LVRUIX
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_RPTVYZ
https://www.nxtbook.com/nxtbooks/ashrae/mini_pub_catalog
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_XIYTGD
https://www.nxtbook.com/nxtbooks/ashrae/ashraemexico_2022
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_RFGDOB
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_PABXNU
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_REMKLS
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_PICVBT
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_AOYTVW
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_JQOPLS
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_IOYTBC
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_SGAJJF
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_IGHYER
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_PDRKLS
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_amca_2021november
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_amca_2021november_v2
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_XCODFR
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_QSLFGO
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_ILKVNM
https://www.nxtbook.com/nxtbooks/ashrae/ashraemexico_2021
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_OPDJKD
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_VJKSRY
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_SDHUTC
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_JPPKRR
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_SDLTTH
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_CKLLES
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_SLDOX
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_HJETUK
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_OLUHGE
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_amca_2020october
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_amca_2020october_v2
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_ZERDGH
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_QVMNEO
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_RTPOKE
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_BBATRE
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_STUBMW
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_TPEMPE
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_JNMKDS
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_FBTTPA
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_WQMMNE
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_TVBRYN
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_showguide2020
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_KTUZMA
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_ABEDGD
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_201910
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_201909
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_amca_2019septmeber_v2
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_amca_2019september
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_201908
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_201907
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_201906
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_201905
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_201904
https://www.nxtbook.com/nxtbooks/ashrae/meetingplanner_2019april
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_201903
https://www.nxtbook.com/nxtbooks/ashrae/meetingplanner_2019march
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_201902
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_201901
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_showguide2019
https://www.nxtbook.com/nxtbooks/ashrae/meetingplanner_2018december
https://www.nxtbook.com/nxtbooks/ashrae/meetingplanner_2018november
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_amca_2018fall_v2
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_amca_2018fall
https://www.nxtbook.com/nxtbooks/ashrae/meetingplanner_2018october
https://www.nxtbook.com/nxtbooks/ashrae/ashraemexico_2018
https://www.nxtbook.com/nxtbooks/ashrae/meetingplanner_201810
https://www.nxtbook.com/nxtbooks/ashrae/ashraeinsights_201806
https://www.nxtbook.com/nxtbooks/ashrae/meetingplanner_201805
https://www.nxtbook.com/nxtbooks/ashrae/meetingplanner_201804
https://www.nxtbook.com/nxtbooks/ashrae/meetingplanner_201803
https://www.nxtbook.com/nxtbooks/ashrae/meetingplanner_201712
https://www.nxtbook.com/nxtbooks/ashrae/meetingplanner_201711
https://www.nxtbook.com/nxtbooks/ashrae/meetingplanner_201710
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_amca_2017fall_v2
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_amca_2017fall
https://www.nxtbook.com/nxtbooks/ashrae/meetingplanner_201709
https://www.nxtbook.com/nxtbooks/ashrae/meetingplanner_201705
https://www.nxtbook.com/nxtbooks/ashrae/ashrae_meetinginsert_201610
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_amca_2016fall_v2
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_amca_2016fall
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_acrexindia
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_amca_2015summer_v2
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_amca_2015summer
https://www.nxtbook.com/nxtbooks/amca/2014summer2
https://www.nxtbook.com/nxtbooks/amca/2014summer
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_acma_2014summer
https://www.nxtbook.com/nxtbooks/ashrae/meetingplanner_201311
https://www.nxtbook.com/nxtbooks/ashrae/meetingplanner_201309
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_acmasupp_2013fall
https://www.nxtbook.com/nxtbooks/ashrae/meetingplanner_201305
https://www.nxtbook.com/nxtbooks/ashrae/meetingplanner_201303
https://www.nxtbook.com/nxtbooks/ashrae/pubcatalog_2013winter
https://www.nxtbook.com/nxtbooks/ashrae/meetingplanner_201211
https://www.nxtbook.com/nxtbooks/ashrae/achr_expo_mexico2012
https://www.nxtbook.com/nxtbooks/ashrae/meetingplanner_201209
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_201208_v3
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_201208_v2
https://www.nxtbook.com/nxtbooks/ashrae/pubcatalog_2012summer
https://www.nxtbook.com/nxtbooks/ashrae/meetingplanner_201205
https://www.nxtbook.com/nxtbooks/ashrae/meetingplanner_201203
https://www.nxtbook.com/nxtbooks/ashrae/pubcatalog_2012winter
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_201111_v2
https://www.nxtbook.com/nxtbooks/ashrae/ashraejournal_201109_v2
https://www.nxtbook.com/nxtbooks/ashrae/pubcatalog_2011summer
https://www.nxtbook.com/nxtbooks/ashrae/meetingplanner_201105
https://www.nxtbook.com/nxtbooks/ashrae/meetingplanner_201103
https://www.nxtbookmedia.com