Skip to main content
SpringerLink
Log in

Effect of floor level slit exhaust ventilation system on distribution of house dust

  • Published:
Journal of Central South University Aims and scope Submit manuscript

Abstract

Based on the fact that the house dust usually falls on the ground, the floor level slit exhaust ventilation system including inlet located at the ceiling and outlet of slit exhaust installed at corner between wall and floor was considered. Experiments and simulations were performed to investigate the flow and diffusion fields that are affected by this floor level slit exhaust ventilation system. The characteristics of airflow with experiments and computation fluid dynamics (CFD) are generally similar except airflow at the location of impinging flow and the location right below the inlet. Riboflavin particles were used as the house dust. For the spatial distribution of riboflavin particles in the ventilation system before operation, due to the influence of gravity, different sizes of particles show smooth decay curve. After floor level slit exhaust ventilation system is operated, the decay rate of the particles becomes faster than that after the ventilation system is powered on, and the particles with diameter of 0.5–3.0 μm in the experimental data and calculated values show good agreement.

This is a preview of subscription content, log in via an institution to check access.

Access this article

Log in via an institution

Price excludes VAT (USA)
Tax calculation will be finalised during checkout.

Instant access to the full article PDF.

Institutional subscriptions

Similar content being viewed by others

References

  1. PEARCEA N, PEKKANENA J, BEASLEYA R. How much asthma is really attributable to atopy? [J]. Thorax, 1999, 54: 268–272.

    Article  Google Scholar 

  2. PAJNO G B, BARBERIO G, de LUCA F, MORABITO L, PARMIANI S. Prevention of new sensitizations in asthmatic children monosensitized to house dust mite by specific immunotherapy. A six-year follow-up study [J]. Clinical & Experimental Allergy, 2001, 31: 1392–1397.

    Article  Google Scholar 

  3. BORNEHAG C G, SUNDELL J, SIGSGAARD T. Dampness in buildings and health (DBH): Report from an ongoing epidemiological investigation on the association between indoor environmental factors and health effects among children in Sweden [J]. Indoor Air, 2004, 14: 59–66.

    Article  Google Scholar 

  4. RUNESON R, WAHLSTEDT K, WIESLANDER G, NORBÄCK D. Personal and psychosocial factors and symptoms compatible with sick building syndrome in the Swedish workforce [J]. Indoor Air, 2006, 16: 445–453.

    Article  Google Scholar 

  5. SOMERVILLE M, MACKENZIE I, OWEN P, MILES D. Housing and health: does installing heating in their homes improve the health of children with asthma? [J]. Public Health, 2000, 114: 434–439.

    Google Scholar 

  6. THORN J, BRISMAN J, TORNE K. Adult-onset asthma is associated with self-reported mold or environmental tobacco smoke exposures in the home [J]. Allergy, 2001, 56: 287–292.

    Article  Google Scholar 

  7. XI J X, SI X H, KIM J W. Simulation of airflow and aerosol deposition in the nasal cavity of a 5-year-old child [J]. Journal of Aerosol Science, 2011, 42(3): 156–173.

    Article  Google Scholar 

  8. MURAKAMI S, KATO S, NAGANO S, TANAKA Y. Diffusion characteristics of airborne particles with gravitational settling in a convection-dominant indoor flow field [J]. Ashrae Transactions, 1992, 98(1): 82–97.

    Google Scholar 

  9. BOUILLY J, LIMAM K, BEGHEIN C. ALLARD F. Effect of ventilation strategies on particle decay rates indoors: an experimental and modeling study [J]. Atmospheric Environment, 2005, 39: 4885–4892.

    Article  Google Scholar 

  10. GAO Nai-ping, NIU Jian-lei. Modeling particle dispersion and deposition in indoor environments [J]. Atmospheric Environment, 2007, 41: 3862–3876.

    Article  Google Scholar 

  11. GAO Nai-ping, NIU Jian-lei, LIDIA M. Distribution characteristics of respiratory aerosols in enclosed environments [J]. Journal of Southeast University: English Edition, 2010, 26(2): 232–237.

    Google Scholar 

  12. ZHAO Bin, WU Jun. Effect of particle spatial distribution on particle deposition in ventilation rooms [J]. Journal of Hazardous Materials, 2009, 170: 449–456.

    Article  Google Scholar 

  13. WATANABE R. Effects of heating systems on scattering of Der 1 based on experiments and CFD analysis [J]. Architectural Institute of Japan, 2006: 887–888. (in Japanese)

  14. http://www.akl.co.jp

  15. YOSHIKAWA M. Indoor pollution and allergy [M]. Tokyo, Japan: Inoueshoin Press, 1999: 37. (in Japanese)

    Google Scholar 

Download references

Author information

Authors and Affiliations

  1. School of Civil Engineering, Faculty of Infrastructure Engineering, Dalian University of Technology, Dalian, 116000, China

    Yang Lü  (吕阳)

  2. Department of Architecture & Building Science, Tohoku University, Sendai, 980-8579, Japan

    H. Yoshino, R. Takaki, R. Kurihara, A. Mochida & H. Yonekura

Authors
  1. Yang Lü  (吕阳)
    View author publications

    You can also search for this author in PubMed Google Scholar

  2. H. Yoshino
    View author publications

    You can also search for this author in PubMed Google Scholar

  3. R. Takaki
    View author publications

    You can also search for this author in PubMed Google Scholar

  4. R. Kurihara
    View author publications

    You can also search for this author in PubMed Google Scholar

  5. A. Mochida
    View author publications

    You can also search for this author in PubMed Google Scholar

  6. H. Yonekura
    View author publications

    You can also search for this author in PubMed Google Scholar

Corresponding author

Correspondence to Yang Lü  (吕阳).

Additional information

Foundation item: Project supported by Ministry of Land, Infrastructure, Transport and Tourism of Japan; Project(DUT10RC(3)103) supported by the Fundamental Research Funds for the Central Universities in China; Project(20111027) supported by the Liaoning Provincial Scientific Research Foundation, China; Key Project (2012BAJ02B05) supported by the Twelfth Five-Year National Technology Program of China; Project supported by Dalian Municipal Construction Technology Program, China

Rights and permissions

Reprints and permissions

About this article

Cite this article

Lü, Y., Yoshino, H., Takaki, R. et al. Effect of floor level slit exhaust ventilation system on distribution of house dust. J. Cent. South Univ. Technol. 19, 696–702 (2012). https://doi.org/10.1007/s11771-012-1059-5

Download citation

  • Received:

  • Accepted:

  • Published:

  • Issue Date:

  • DOI: https://doi.org/10.1007/s11771-012-1059-5

Key words

Search

Navigation