Improved stability of the static pressure in a cleanroom environment

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Abstract

In order to protect cleanrooms from contamination from adjacent less clean spaces, the cleanroom must be built airtight and maintain an (over)pressure of sufficient magnitude and stability. For this magnitude there are guidelines. However, there is a lack of guidelines for the required stability of the pressure. As a result, an unstable pressure could result in an undefined air direction and increase the risk of contamination. This unstable pressure occurs especially during entering the cleanroom with an airtight cleanroom. In this paper the pressure and the entrance of the cleanroom are modellated in a Simulink© environment. The model is verified and validated. The main problem addressed here is that the airtightness and the stability of the pressure are in conflict with each other. It is concluded that the new proposed adjustment increases the stability of the pressure in the cleanroom and enhances the precision of control.
Original languageEnglish
Title of host publication8th International Conference on System Simulation in Buildings SSB 2010
Pages1-19
Number of pages19
Publication statusPublished - 1 Dec 2010
Event8th International Conference on System Simulation in Buildings (SSB 2010), December 13-15, 2010, Liège, Belgium - University of Liège, Liège, Belgium
Duration: 13 Dec 201015 Dec 2010

Conference

Conference8th International Conference on System Simulation in Buildings (SSB 2010), December 13-15, 2010, Liège, Belgium
Abbreviated titleSSB 2010
CountryBelgium
CityLiège
Period13/12/1015/12/10
OtherSystem Simulation in Buildings

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  • Cite this

    van den Brink, A., & van Schijndel, A. W. M. J. (2010). Improved stability of the static pressure in a cleanroom environment. In 8th International Conference on System Simulation in Buildings SSB 2010 (pp. 1-19)