지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
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To perform long-term sewer monitoring, It is important to understand the nature of the wastewater flow that occurs at the point on early stage of the monitor and to prevent in advance a problem which may caused. We can infer the flow properties and external factors by analyzing the scatter graph obtained from the measured data flow rate monitoring data since an field external factor affecting the sewage flow is reflected in the flow rate monitoring data. In this study, Selecting the three points having various external factors, and we Inferred the sewer flow characteristics from depth-velocity scatter graph and determined the analysis equation for the dry-weather flow rate data. At the'point 1' expected non-pressure flow, we were able to see the drawdown effect caused by the free fall in the manhole section. At the'point 2', existed weir and sediments, there was backwater effect caused by them, and each of size calculated from the scatter graph analysis were 400 mm and 130 mm. At the'Point 3', there is specific flow pattern that is coming from flood wave propagation generated by the pump station at upstream. In common, adequate equations to explain the dry weather flow data are flume equation and modified manning equation(SS method), and the equations had compatibility for explaining the data because all of $R^2$ values are over 0.95.
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참고문헌 (10)
참고문헌 신청
Butler, D / 2004 / Urban drainage / CRC Press :163~164
Chapra , S. C / 2012 / Applied numerical methods / McGraw Hill
Enfinger, K. L / 2004 / Scattergraph Principles and Practice: A Comparison of Various Applications of the Manning Equation / Proceedings of the Pipeline Division Specialty Conference
Lanfear, K. J / 1978 / Modifying Manning’s Equation for Flow Rate Estimates / Water and Sewage Works 125(3)
Ludwig, R. G / 1974 / Simplified application of Palmer-Bowlus flow meters / Water Pollution Control Federation :2764~2769
Chapra , S. C / 2012 / Applied numerical methods / McGraw Hill
Enfinger, K. L / 2004 / Scattergraph Principles and Practice: A Comparison of Various Applications of the Manning Equation / Proceedings of the Pipeline Division Specialty Conference
Lanfear, K. J / 1978 / Modifying Manning’s Equation for Flow Rate Estimates / Water and Sewage Works 125(3)
Ludwig, R. G / 1974 / Simplified application of Palmer-Bowlus flow meters / Water Pollution Control Federation :2764~2769
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