증기이송튜브를 적용한 CIPP관의 증기 유동해석 = Computational Fluid Dynamics Analysis of Cured-in-Place Pipe Using a Steam Transfer Tube

다국어 초록 (Multilingual Abstract)

This paper reports the results of computational fluid dynamics analysis on a steam transfer tube designed to eliminate the uncured end point of the cured-in-place pipe (CIPP) that is used to reinforce sewer pipes. For the flow analysis of the designed steam transfer tube, analysis was performed using SolidWorks Flow Simulation. Flow and temperature distributions for steam transport tubes with diameters of 100, 150, and 200mm were investigated by using flow analysis. The analysis results confirmed that as the diameter of the steam transfer tube is increased, the inner length of the CIPP satisfying the curing temperature increased. Additionally, it was confirmed that a steam backflow phenomenon occurred at the inlets of all steam transfer tubes except for the diameter of 200mm. Accordingly, the optimum diameter for the steam transfer tube was determined to be 200mm. Further, through flow analysis, it was confirmed that the curing temperature was satisfied for all lengths of CIPP after 350s of steam injection.

국문 초록 (Abstract)

본 논문은 하수관 보강 방법 중 보강튜브경화공법(CIPP)의 종점부 미경화 문제를 해결하기 위해 설계된 증기이송튜브 시스템에 대한 유동해석 결과를 보고한다. 설계된 증기이송튜브의 유동해석을 위해 SolidWorks Flow Simulation을 이용하여해석을 수행하였다. 100mm, 150mm, 200mm의 직경을 갖는 증기이송튜브에 대한 유동 흐름 및 온도 분포가 유동을 해석을 통해검토되었다. 해석 결과를 통해 증기이송튜브의 직경이 증가함에 따라 경화온도를 만족하는 CIPP 내부 길이가 증가하는 것이 확인되었다. 또한, 직경 200mm를 제외한 모든 직경의 증기이송튜브의 입구에서 증기 역류 현상이 나타남을 확인하였다. 이에 증기이송튜브의 최적 직경은 200mm로 결정되었으며, 이에 대한 유동해석을 통해 증기주입을 시작하고 350초 경과 이후에 CIPP 내 모든 길이에서 경화온도를 만족하는 것을 확인하였다.

참고문헌 (Reference)

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