Indoor cooking is the main cause of particulate matter (PM) within residential houses along with smoking. Even with the range hood turned on, cooking-generated PM can spread quickly into the living room due to the heat generated by the cookstove. In order to improve the PM spread prevention performance of the range hood, a supply of make-up air is needed. Generally, make-up air is supplied through a linear diffuser between the kitchen and living room. In such cases, it is necessary to determine the appropriate location of the supply diffuser. This study evaluates the spread of PM according to different locations of the supply diffuser, which feeds in make-up air. For this purpose, indoor airflow and PM spread were analyzed through CFD (Computational Fluid Dynamics) simulation analysis. By changing the location of the supply diffuser from the contaminant source, PM concentration was analyzed in the kitchen and living room of an apartment house in Korea. Based on the results, the optimal installation location was determined. In this study, 1.5 m from the source was the most effective location of make-up air supply to prevent the spread of cooking-generated particles.
|Number of pages||13|
|Journal||International journal of environmental research and public health|
|Publication status||Published - 2020 Nov 1|
Bibliographical noteFunding Information:
This work was supported by the National Research Foundation of Korea (NRF) grant funded by the Korean government (MSIT, MOE No. 2019M3E7A1113095). This research was supported by Basic Science Research Program through the National Research Foundation of Korea (NRF) funded by the Ministry of Science, ICT and Future Planning (NRF-2019R1I1A1A01062777).
while cooking. The generated heat and PM can spread to the living room along the ceiling. By Therefore, when planning to supply make-up air with the range hood, it is necessary to have a plan of operating the range hood and supplying make-up air simultaneously, such a spread into the living minimizing PM spread into the living room. room can be reduced. The performance of spread prevention may vary depending on the location of the supply diffuser for make-up air. Therefore, in order to prevent PM from spreading into the living room from the kitchen, the supply diffuser needs to be installed in an appropriate location based on simulation analysis. Other factors such as the direction of air supply, length of air supply device and airflow volume can also affect the prevention of the spread of PM. We expect that a relative thecomparisonrange hoodofandthesesupplyingfactors can bemake-upcondairucted throsimultanugh varioeously, suchus anaalspryses asead intowelthel. living room can be reduced. The performance of spread prevention may vary depending on the location of the supply diffuser for make-up air. Therefore, in order to prevent PM from spreading into the living room from tHhe.Kk.itacnhde nK,.tKh.;e wsurpitipnlgy—doifrfiugisnearl ndereadftsptorebpeariantisotna,l lewdriitninagn—arepvpierwop rainadte eldoictaintgio, nanbdasveidsuoanlizsaimtiounl,aHtio.Kn.; asnuapleyrsviiss.ioOn,thperorjefactc taodrms isnuiscthraatisonth aenddirfuecntdioinng oafcqauirissituiopnp, lyT,.Kle. nAgltl hauotfhaoirrs shuapvpelryeadde vaincde aagnrdeeadi rtfolo twhe volume can also affect the prevention of the spread of PM. We expect that a relative comparison of theseFunding:factorsThiscanworkbewas suconductedpported thrbyoughthe Nationalvarious analysesResearchasFoundatiowell. n of Korea (NRF) grant funded by the Korean government (MSIT, MOE No. 2019M3E7A1113095). Author Contributions: Conceptualization, methodology, field measurement, validation and formal analysis, H.K. aAndckKn.oKw.;lwedrigtimngen—tso:riTghinisalrdesraeaftrcphre pwaarsa tsiounp,pworrtietidn gb—yrBevasieicwSacniednecde itRinegse,aarncdh vPisruogalriazmat iothnr,oHu.gKh.; tshuep eNrvaitsioionna,l project administration and funding acquisition, T.K. All authors have read and agreed to the published version of the manuscript. 2019R1I1A1A01062777).
© 2020 by the authors. Licensee MDPI, Basel, Switzerland.
All Science Journal Classification (ASJC) codes
- Public Health, Environmental and Occupational Health
- Health, Toxicology and Mutagenesis