Abstract A large volume of entrapped air pressurized by a bore through a pipe can lead to geysering in stormwater drainage system. In this study, the dominant factors for occurrence of geyser are identified with respect to the movement of air through a realistic stromwater drainage system, not through single pipe used in other studies, by conducting relatively simplified computer modeling. The results show that there are 4 significant factors, that determine the strength of geyser, of which the effects are variable depending on other factors. Thus, results are summarized in a unified set of diagram in terms of the two significant factors using Response Surface Methodology (RSM), which represents the relationships between several explanatory variables. The diagram can suggest a way of calculating pressure force pushing upwards against a manhole cover which is useful for the hydraulic engineers to design geyser countermeasures through drainage system.
Practical Approach to Predict Geyser Occurrence in Stormwater Drainage System
KSCE Journal of Civil Engineering ; 23 , 3 ; 1108-1117
2019-01-18
10 pages
Article (Journal)
Electronic Resource
English
Practical Approach to Predict Geyser Occurrence in Stormwater Drainage System
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