Reducing Aerosol Particle Concentration in Indoor Spaces with Mechanical Ventilation and Aircleaning: Evidences and Challenges

Lili Xia; Alessio Ricci; Peng Qin; Bert Blocken

doi:10.1007/978-981-19-9822-5_188

Reducing Aerosol Particle Concentration in Indoor Spaces with Mechanical Ventilation and Aircleaning: Evidences and Challenges

Lili Xia (Corresponding author)
, Alessio Ricci
, Peng Qin
, Bert Blocken

Building Physics

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Academic › peer-review

43 Downloads (Pure)

Abstract

This study aims to experimentally investigate the efficiency of a mechanical ventilation (MV) system, with and without the presence of air cleaners (ACs), to reduce the aerosol particle concentration in indoor spaces. The measurements were performed in a case study room equipped with a MV system, an AC, and 16 artificial aerosol generators (AGs) to represent an intentional multifold of human respiratory aerosol generation. Five aerosol particle sizers (APS) were used to measure the concentration of the aerosol particles. Overall, five different scenarios (with and without ACs) were reproduced. The results show that when only AC was used 98% of the aerosol particles were removed within 30 min and the concentration peak was about half of that found for the scenario without AC and MV. When AC and MV with three different modes were used in combination, the concentration peak was found even less pronounced, with about 98% aerosol removed in about 20 min for 1st, 15 min for 2nd, and 13 min for 3rd ventilation settings.

Original language	English
Title of host publication	Proceedings of the 5th International Conference on Building Energy and Environment
Editors	Liangzhu Leon Wang, Hua Ge, Zhiqiang John Zhai, Dahai Qi, Mohamed Ouf, Chanjuan Sun, Dengjia Wang
Place of Publication	Singapore
Publisher	Springer
Chapter	188
Pages	1803-1806
Number of pages	4
ISBN (Electronic)	978-981-19-9822-5
ISBN (Print)	978-981-19-9823-2
DOIs	https://doi.org/10.1007/978-981-19-9822-5_188
Publication status	Published - 5 Sept 2023
Event	5th International Conference on Building Energy and Environment, COBEE 2022 - Concordia University, Montreal, Canada Duration: 25 Jul 2022 → 29 Jul 2022 Conference number: 5

Publication series

Name	Environmental Science and Engineering
ISSN (Print)	1863-5520
ISSN (Electronic)	1863-5539

Conference

Conference	5th International Conference on Building Energy and Environment, COBEE 2022
Abbreviated title	COBEE 2022
Country/Territory	Canada
City	Montreal
Period	25/07/22 → 29/07/22

Keywords

Aerosol concentration
Air purifier
Indoor ventilation

Access to Document

10.1007/978-981-19-9822-5_188

pdfFinal published version, 194 KBLicence: TAVERNE

Cite this

Xia, L., Ricci, A., Qin, P., & Blocken, B. (2023). Reducing Aerosol Particle Concentration in Indoor Spaces with Mechanical Ventilation and Aircleaning: Evidences and Challenges. In L. L. Wang, H. Ge, Z. J. Zhai, D. Qi, M. Ouf, C. Sun, & D. Wang (Eds.), Proceedings of the 5th International Conference on Building Energy and Environment (pp. 1803-1806). (Environmental Science and Engineering). Springer. https://doi.org/10.1007/978-981-19-9822-5_188

Xia, Lili ; Ricci, Alessio ; Qin, Peng et al. / Reducing Aerosol Particle Concentration in Indoor Spaces with Mechanical Ventilation and Aircleaning : Evidences and Challenges. Proceedings of the 5th International Conference on Building Energy and Environment. editor / Liangzhu Leon Wang ; Hua Ge ; Zhiqiang John Zhai ; Dahai Qi ; Mohamed Ouf ; Chanjuan Sun ; Dengjia Wang. Singapore : Springer, 2023. pp. 1803-1806 (Environmental Science and Engineering).

@inproceedings{e28c23c19b254537a25a4e55e02e9cc8,

title = "Reducing Aerosol Particle Concentration in Indoor Spaces with Mechanical Ventilation and Aircleaning: Evidences and Challenges",

abstract = "This study aims to experimentally investigate the efficiency of a mechanical ventilation (MV) system, with and without the presence of air cleaners (ACs), to reduce the aerosol particle concentration in indoor spaces. The measurements were performed in a case study room equipped with a MV system, an AC, and 16 artificial aerosol generators (AGs) to represent an intentional multifold of human respiratory aerosol generation. Five aerosol particle sizers (APS) were used to measure the concentration of the aerosol particles. Overall, five different scenarios (with and without ACs) were reproduced. The results show that when only AC was used 98\% of the aerosol particles were removed within 30 min and the concentration peak was about half of that found for the scenario without AC and MV. When AC and MV with three different modes were used in combination, the concentration peak was found even less pronounced, with about 98\% aerosol removed in about 20 min for 1st, 15 min for 2nd, and 13 min for 3rd ventilation settings.",

keywords = "Aerosol concentration, Air purifier, Indoor ventilation",

author = "Lili Xia and Alessio Ricci and Peng Qin and Bert Blocken",

year = "2023",

month = sep,

day = "5",

doi = "10.1007/978-981-19-9822-5\_188",

language = "English",

isbn = "978-981-19-9823-2",

series = "Environmental Science and Engineering",

publisher = "Springer",

pages = "1803--1806",

editor = "Wang, \{Liangzhu Leon\} and Hua Ge and Zhai, \{Zhiqiang John\} and Dahai Qi and Mohamed Ouf and Chanjuan Sun and Dengjia Wang",

booktitle = "Proceedings of the 5th International Conference on Building Energy and Environment",

address = "Germany",

note = "5th International Conference on Building Energy and Environment, COBEE 2022, COBEE 2022 ; Conference date: 25-07-2022 Through 29-07-2022",

}

Xia, L , Ricci, A , Qin, P & Blocken, B 2023, Reducing Aerosol Particle Concentration in Indoor Spaces with Mechanical Ventilation and Aircleaning: Evidences and Challenges. in LL Wang, H Ge, ZJ Zhai, D Qi, M Ouf, C Sun & D Wang (eds), Proceedings of the 5th International Conference on Building Energy and Environment. Environmental Science and Engineering, Springer, Singapore, pp. 1803-1806, 5th International Conference on Building Energy and Environment, COBEE 2022, Montreal, Quebec, Canada, 25/07/22. https://doi.org/10.1007/978-981-19-9822-5_188

Reducing Aerosol Particle Concentration in Indoor Spaces with Mechanical Ventilation and Aircleaning: Evidences and Challenges. / Xia, Lili (Corresponding author); Ricci, Alessio ; Qin, Peng et al.
Proceedings of the 5th International Conference on Building Energy and Environment. ed. / Liangzhu Leon Wang; Hua Ge; Zhiqiang John Zhai; Dahai Qi; Mohamed Ouf; Chanjuan Sun; Dengjia Wang. Singapore: Springer, 2023. p. 1803-1806 (Environmental Science and Engineering).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Academic › peer-review

TY - GEN

T1 - Reducing Aerosol Particle Concentration in Indoor Spaces with Mechanical Ventilation and Aircleaning

T2 - 5th International Conference on Building Energy and Environment, COBEE 2022

AU - Xia, Lili

AU - Ricci, Alessio

AU - Qin, Peng

AU - Blocken, Bert

N1 - Conference code: 5

PY - 2023/9/5

Y1 - 2023/9/5

N2 - This study aims to experimentally investigate the efficiency of a mechanical ventilation (MV) system, with and without the presence of air cleaners (ACs), to reduce the aerosol particle concentration in indoor spaces. The measurements were performed in a case study room equipped with a MV system, an AC, and 16 artificial aerosol generators (AGs) to represent an intentional multifold of human respiratory aerosol generation. Five aerosol particle sizers (APS) were used to measure the concentration of the aerosol particles. Overall, five different scenarios (with and without ACs) were reproduced. The results show that when only AC was used 98% of the aerosol particles were removed within 30 min and the concentration peak was about half of that found for the scenario without AC and MV. When AC and MV with three different modes were used in combination, the concentration peak was found even less pronounced, with about 98% aerosol removed in about 20 min for 1st, 15 min for 2nd, and 13 min for 3rd ventilation settings.

AB - This study aims to experimentally investigate the efficiency of a mechanical ventilation (MV) system, with and without the presence of air cleaners (ACs), to reduce the aerosol particle concentration in indoor spaces. The measurements were performed in a case study room equipped with a MV system, an AC, and 16 artificial aerosol generators (AGs) to represent an intentional multifold of human respiratory aerosol generation. Five aerosol particle sizers (APS) were used to measure the concentration of the aerosol particles. Overall, five different scenarios (with and without ACs) were reproduced. The results show that when only AC was used 98% of the aerosol particles were removed within 30 min and the concentration peak was about half of that found for the scenario without AC and MV. When AC and MV with three different modes were used in combination, the concentration peak was found even less pronounced, with about 98% aerosol removed in about 20 min for 1st, 15 min for 2nd, and 13 min for 3rd ventilation settings.

KW - Aerosol concentration

KW - Air purifier

KW - Indoor ventilation

UR - https://www.scopus.com/pages/publications/85172724989

U2 - 10.1007/978-981-19-9822-5_188

DO - 10.1007/978-981-19-9822-5_188

M3 - Conference contribution

AN - SCOPUS:85172724989

SN - 978-981-19-9823-2

T3 - Environmental Science and Engineering

SP - 1803

EP - 1806

BT - Proceedings of the 5th International Conference on Building Energy and Environment

A2 - Wang, Liangzhu Leon

A2 - Ge, Hua

A2 - Zhai, Zhiqiang John

A2 - Qi, Dahai

A2 - Ouf, Mohamed

A2 - Sun, Chanjuan

A2 - Wang, Dengjia

PB - Springer

CY - Singapore

Y2 - 25 July 2022 through 29 July 2022

ER -

Xia L , Ricci A , Qin P, Blocken B. Reducing Aerosol Particle Concentration in Indoor Spaces with Mechanical Ventilation and Aircleaning: Evidences and Challenges. In Wang LL, Ge H, Zhai ZJ, Qi D, Ouf M, Sun C, Wang D, editors, Proceedings of the 5th International Conference on Building Energy and Environment. Singapore: Springer. 2023. p. 1803-1806. (Environmental Science and Engineering). doi: 10.1007/978-981-19-9822-5_188

Reducing Aerosol Particle Concentration in Indoor Spaces with Mechanical Ventilation and Aircleaning: Evidences and Challenges

Abstract

Publication series

Conference

Keywords

Access to Document

Other files and links

Fingerprint

Cite this