Research Article
Apr 1981
Building Internal Pressure: Sudden Change
Authors: Henry Liu, M.ASCE, and Patrick J. SaathoffAuthor Affiliations
Publication: Journal of the Engineering Mechanics Division
Volume 107, Issue 2
Abstract
The change of the internal pressure of a building caused by the sudden opening of a window or door under the action of wind is analyzed using the Bernoulli equation of fluid mechanics. The problem is treated at several levels of sophistication, from the simplest quasi-steady isothermal incompressible solution to the most complex solution assuming unsteady isentropic compressible flow with due regards to the inertia effect. Following the break of a window or door by wind, the internal pressure reaches the external pressure at the opening rather rapidly. After the internal pressure has reached the external pressure, there is an overshoot and subsequent oscillation of the internal pressure, in spite of the constancy of the external pressure under a steady wind. The results are compared to solutions obtained from the Helmholtz resonator model of acoustics.
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Published In
Journal of the Engineering Mechanics Division
Volume 107 • Issue 2 • April 1981
Pages: 309 - 321
Copyright
© 1981 American Society of Civil Engineers.
History
Published in print: Apr 1981
Published online: Feb 3, 2021
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Affiliations
Henry Liu, M.ASCE
Prof. of Civ. Engrg., Dept. of Civ. Engrg., Univ. of Missouri-Columbia, Columbia, Mo. 65211
Patrick J. Saathoff
Grad. Student, Dept. of Civ. Engrg., Univ. of Missouri-Columbia, Columbia, Mo. 65211
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ASCE Library Cards let you download journal articles, proceedings papers, and available book chapters across the entire ASCE Library platform. ASCE Library Cards remain active for 24 months or until all downloads are used. Note: This content will be debited as one download at time of checkout.
Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.
Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.