Effect of venting range hood flow rate on size-resolved ultrafine particle concentrations from gas stove cooking
Abstract
Cooking is the main source of ultrafine particles (UFP) in homes. This study investigated the effect of venting range hood flow rate on size-resolved UFP concentrations from gas stove cooking. The same cooking protocol was conducted 60 times using three venting range hoods operated at six flow rates in twin research houses. Size-resolved particle (10–420 nm) concentrations were monitored using a NanoScan scanning mobility particle sizer (SMPS) from 15 min before cooking to 3 h after the cooking had stopped. Cooking increased the background total UFP number concentrations to 1.3 × 103 particles/cm3 on average, with a mean exposure-relevant source strength of 1.8 × 1012 particles/min. Total particle peak reductions ranged from 25% at the lowest fan flow rate of 36 L/s to 98% at the highest rate of 146 L/s. During the operation of a venting range hood, particle removal by deposition was less significant compared to the increasing air exchange rate driven by exhaust ventilation. Exposure to total particles due to cooking varied from 0.9 to 5.8 × 104 particles/cm3·h, 3 h after cooking ended. Compared to the 36 L/s range hood, higher flow rates of 120 and 146 L/s reduced the first-hour post-cooking exposure by 76% andmore »
- Authors:
-
[1];
- Health Canada, Ottawa, ON (Canada)
- Consultant, Santa Rosa, CA (United States)
- National Research Council Canada, Ottawa, ON (Canada)
- Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
- Publication Date:
- Research Org.:
- Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC)
- OSTI Identifier:
- 1597712
- Grant/Contract Number:
- AC02-05CH11231
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Aerosol Science and Technology
- Additional Journal Information:
- Journal Volume: 52; Journal Issue: 12; Journal ID: ISSN 0278-6826
- Publisher:
- American Association for Aerosol Research
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 42 ENGINEERING
Citation Formats
Sun, Liu, Wallace, Lance A., Dobbin, Nina A., You, Hongyu, Kulka, Ryan, Shin, Tim, St-Jean, Melissa, Aubin, Daniel, and Singer, Brett C. Effect of venting range hood flow rate on size-resolved ultrafine particle concentrations from gas stove cooking. United States: N. p., 2018.
Web. doi:10.1080/02786826.2018.1524572.
Sun, Liu, Wallace, Lance A., Dobbin, Nina A., You, Hongyu, Kulka, Ryan, Shin, Tim, St-Jean, Melissa, Aubin, Daniel, & Singer, Brett C. Effect of venting range hood flow rate on size-resolved ultrafine particle concentrations from gas stove cooking. United States. https://doi.org/10.1080/02786826.2018.1524572
Sun, Liu, Wallace, Lance A., Dobbin, Nina A., You, Hongyu, Kulka, Ryan, Shin, Tim, St-Jean, Melissa, Aubin, Daniel, and Singer, Brett C. Mon .
"Effect of venting range hood flow rate on size-resolved ultrafine particle concentrations from gas stove cooking". United States. https://doi.org/10.1080/02786826.2018.1524572. https://www.osti.gov/servlets/purl/1597712.
@article{osti_1597712,
title = {Effect of venting range hood flow rate on size-resolved ultrafine particle concentrations from gas stove cooking},
author = {Sun, Liu and Wallace, Lance A. and Dobbin, Nina A. and You, Hongyu and Kulka, Ryan and Shin, Tim and St-Jean, Melissa and Aubin, Daniel and Singer, Brett C.},
abstractNote = {Cooking is the main source of ultrafine particles (UFP) in homes. This study investigated the effect of venting range hood flow rate on size-resolved UFP concentrations from gas stove cooking. The same cooking protocol was conducted 60 times using three venting range hoods operated at six flow rates in twin research houses. Size-resolved particle (10–420 nm) concentrations were monitored using a NanoScan scanning mobility particle sizer (SMPS) from 15 min before cooking to 3 h after the cooking had stopped. Cooking increased the background total UFP number concentrations to 1.3 × 103 particles/cm3 on average, with a mean exposure-relevant source strength of 1.8 × 1012 particles/min. Total particle peak reductions ranged from 25% at the lowest fan flow rate of 36 L/s to 98% at the highest rate of 146 L/s. During the operation of a venting range hood, particle removal by deposition was less significant compared to the increasing air exchange rate driven by exhaust ventilation. Exposure to total particles due to cooking varied from 0.9 to 5.8 × 104 particles/cm3·h, 3 h after cooking ended. Compared to the 36 L/s range hood, higher flow rates of 120 and 146 L/s reduced the first-hour post-cooking exposure by 76% and 85%, respectively.},
doi = {10.1080/02786826.2018.1524572},
journal = {Aerosol Science and Technology},
number = 12,
volume = 52,
place = {United States},
year = {Mon Nov 05 00:00:00 EST 2018},
month = {Mon Nov 05 00:00:00 EST 2018}
}
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