Browse Illinois Water Resources Center - Wastewater by Subject "Urban runoff"

  • Yen, Ben Chie; Wenzel, Harry G., Jr.; Mays, Larry W.; Tang, Wilson H. (University of Illinois at Urbana-Champaign. Water Resources Center, 1976-08)
    This report describes the development of a series of computer models capable of determining the diameter, slope and crown elevations of each sewer in a storm drainage system in which the layout and manhole locations are ...

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  • Wenzel, Harry G., Jr.; Yen, Ben Chie; Tang, Wilson H. (University of Illinois at Urbana-Champaign. Water Resources Center, 1979-06)
    This report describes further development of computer models for determining the diameter, slope and elevations of each pipe in a storm drainage system in which the layout and manhole locations are specified. The design ...

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  • Wenzel, Harry G., Jr.; Voorhees, Michael L. (University of Illinois at Urbana-Champaign. Water Resources Center, 1981-08)
    This report describes an evaluation of the assumption commonly employed in drainage design that the return period of the rainfall used to design a system is the same as the peak flow produced by that rainfall. Specifically, ...

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  • Yen, Ben Chie; Cheng,Shiu-Tuang; Jun, Ryong-Iio; Voorhees, Michael L.; Wenzel, Harry G., Jr.; Mays, Larry W. (University of Illinois at Urbana-Champaign. Water Resources Center, 1984-05)
    ILSD models are sewer system models for least-cost optimal design of the entire system. ILSD-1 designs for a specified layout the size and slope of the sewers with or without detention storages with user supplied rainfall ...

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  • Sevuk, A. Suha; Yen, Ben Chie; Peterson, Gordon E. (University of Illinois at Urbana-Champaign. Water Resources Center, 1973-10)
    The Illinois Storm Sewer System Simulation Model is a mathematical model for sewer design and flow prediction utilizing the Saint Venant equations to route unsteady flows through tree-type sewer networks. An overlapping ...

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  • Yen, Ben Chie (University of Illinois at Urbana-Champaign. Water Resources Center, 1973-08)
    Increasing public concern on urban storm water quantity and quality problems demands a thorough review of the methodologies for flow prediction and design of urban storm drainage systems and development of improved ...

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  • Yen, Ben Chie; Pansic, Nicholas (University of Illinois at Urbana-Champaign. Water Resources Center, 1980-03)
    Surcharge of a sewer is the situation in which the sewer entrance and exit are submerged and the pipe is flowing full and under pressure. In this report the hydraulics of the surcharged flow as well as the open-channel ...

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