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Ade, R and Rehm, M (2021) Summertime comparative evaluation of indoor temperature and comfort in Auckland New Zealand: a survey of green certified, code and older homes. Building Research & Information, 49(03), 336–51.

Annemans, M and Heylighen, A (2021) Productive interactions to exchange knowledge in healthcare building design. Building Research & Information, 49(03), 281–93.

Bhattacharya, A, Metcalf, A R, Nafchi, A M and Mousavi, E S (2021) Particle dispersion in a cleanroom – effects of pressurization, door opening and traffic flow. Building Research & Information, 49(03), 294–307.

  • Type: Journal Article
  • Keywords: Cleanroom; cross-contamination; air quality; positive pressure; door opening;
  • ISBN/ISSN: 0961-3218
  • URL: https://doi.org/10.1080/09613218.2020.1720500
  • Abstract:
    Air cleanliness is of particular importance in clean environments, as a small source of contamination can highly disturb the true function of space. One common-place approach is to establish a positive pressure relative to adjacent areas that would avoid unwanted airborne particles. However, door operation and the movement of traffic may result in air mixing across the cleanroom door. This paper presents the results of a series of experiments to characterize the effect of pressure difference, traffic flow and door opening on cross-contamination and air quality inside the cleanroom. The experiments were conducted in an actual cleanroom where an oil-based substance was aerosolized in neighbouring areas, and its path inside the cleanroom was studied. Results suggested that the higher-pressure differentials were more effective to prevent aerosols to enter the cleanroom. Door operation can eliminate, and even reverse the pressurization across the door. Under a higher-pressure difference, however, it took a much shorter time for positive pressure to recover. The results of this work will be useful in determining the optimal settings of cleanroom operation, where the probabilities of contamination from an outside source are minimized.

Colenberg, S, Jylhä, T and Arkesteijn, M (2021) The relationship between interior office space and employee health and well-being – a literature review. Building Research & Information, 49(03), 352–66.

Sal Moslehian, A, Kocaturk, T and Tucker, R (2021) An integral view of innovation in hospital building design: understanding the context of the research/practice gap. Building Research & Information, 49(03), 265–80.

Sudprasert, S (2021) Utilization of an evaporative air cooler to achieve thermal comfort in Thailand. Building Research & Information, 49(03), 325–35.

Tejero-González, A, DeFreitas-Barros-Galvão, V M, Zarzuelo-Sánchez, A M and SanJosé-Alonso, J F (2021) Energy use optimization in ventilation of operating rooms during inactivity periods. Building Research & Information, 49(03), 308–24.