Browsing Reports by Issue Date

Now showing items 1-20 of 120

    • Design of a Closed Jet, Open Circuit Water Tunnel for the Study of Wake Mechanics 

      Toebes, G. H.; Perkins, F. E.; Eagleson, P. S. (Cambridge, Mass. : Hydrodynamics Laboratory, Dept. of Civil and Sanitary Engineering, Massachusetts Institute of Technology, 1958-04)
      This Technical Note describes the design of an open-circuit water tunnel with a 7-1/2 inch by 9 inch closed-jet working section. The maximum velocity obtainable in the empty test section is approximately 50 fps. The water ...

    • The Diffusion of Two Fluids of Different Density in a Homogeneous Turbulent Field 

      Harleman, D. R. F.; Jordaan, Jr., J. M; Lin, J. D. (Cambridge, Mass. : Hydrodynamics Laboratory, Dept. of Civil and Sanitary Engineering, Massachusetts Institute of Technology, 1959-02)
      Introduction: Industrial communities situated near large bodies of water or in drainage systems connected with such bodies dispose their waste water after treatment by dilution. Disposal by irrigation or evaporation after ...

    • Model Study of a Flood-control Pumping Station at the Charles River Dam 

      Harleman, D. R. F.; Broughton, R. S.; Huval, C. J.; Partenscky, H. W. (Cambridge, Mass. : Hydrodynamics Laboratory, Dept. of Civil and Sanitary Engineering, Massachusetts Institute of Technology, 1959-06)
      This report describes the design, construction and testing of a Froudian model of a proposed 8400-cfs capacity pumping station, Site restrictions require that the flow approach the high specific-speed pumps asymmetrically ...

    • Measurement and Analysis of Turbulent Flow of Wood Pulp Fiber Suspensions 

      Daily, J. W.; Bugliarello, G.; Troutman, W. W. (Cambridge, Mass. : Hydrodynamics Laboratory, Dept. of Civil and Sanitary Engineering, Massachusetts Institute of Technology, 1959-09)
      In a previous report techniques were described for measuring turbulence and velocity profiles in turbulent shear flows of water and dilute fiber suspensions, and some preliminary results presented. The present report ...

    • The Hydroelastic Behavior of Flat Plates as Influenced by Trailing Edge Geometry 

      Ippen, A. T.; Toebes, G. H.; Eagleson, P. S. (Cambridge, Mass. : Hydrodynamics Laboratory, Dept. of Civil and Sanitary Engineering, Massachusetts Institute of Technology, 1960-01)
      This report presents the results of a theoretical review and an experimental investigation of the hydroelastic vibration of thin flat plates suspended at zero mean angle of attack in a fluid stream. The review indicated ...

    • Non-linear Standing Waves in a Rectangular Tank Due to Forced Oscillation 

      Lin, J. D.; Howard, L. N. (Cambridge, Mass. : Hydrodynamics Laboratory, Dept. of Civil and Sanitary Engineering, Massachusetts Institute of Technology, 1960-10)
      This study is concerned with standing waves generated by a two-dimensional wave maker in a rectangular tank. The theoretical investigation was first based on the well-known linear theory of surface waves. The linearized ...

    • Salinity Effects on Velocity Distributions in an Idealized Estuary 

      Harleman, D. R. F.; Hoopes, J. A.; McDougall, D.; Goulis, D. A. (Cambridge, Mass. : Dept. of Civil Engineering, Massachusetts Institute of Technology, 1962-01)
      An experimental and analytical investigation of the two-dimensional (i.e. longitudinal and vertical) convective-diffusion processes in an idealized laboratory estuary. The estuary is idealized to obtain steady-state salinity ...

    • The Effects of Trailing Edge Geometry and Chord Length on the Early Wake of Stationary Flat Plates 

      Eagleson, P. S.; Daily, J. W.; Grace, R. A. (Cambridge, Mass. : Hydrodynamics Laboratory, Dept. of Civil Engineering, Massachusetts Institute of Technology, 1962-04)
      This report presents the results of an investigation of the average and fluctuating two-dimensional structure of the early wake of fixed, flat plates at zero mean angle of attack as a function of trailing edge configuration ...

    • Control Structures in Stratified Flows 

      Harleman, D. R. F.; Goda, Y. (Cambridge, Mass. : Hydrodynamics Laboratory, Dept. of Civil Engineering, Massachusetts Institute of Technology, 1962-05)
      During the past decade the Tennessee Valley Authority has designed and built several structures for the purpose of withdrawing cold bottom water from thermally stratified reservoirs. The cold water is used to supply condenser ...

    • Enclosed Rotating Disks with Superposed Throughflow: A Survey of Basic Effects 

      Daily, James W.; Arndt, Roger E. A. (Cambridge, Mass. : Dept. of Civil Engineering, Massachusetts Institute of Technology, 1962-06)
      A qualitative study was made of the flow field induced by an enclosed rotating disk with a radially outward throughflow superposed using air as the test fluid. The purpose of this survey is a determination of the range of ...

    • Wave Induced Oscillations in Harbors: The Solution for a Rectangular Harbor Connected to the Open-sea 

      Ippen, A. T.; Goda, Y. (Cambridge, Mass. : Hydrodynamics Laboratory, Dept. of Civil Engineering, Massachusetts Institute of Technology, 1963-07)
      The determination of an amplification factor for a given harbor and a given wave period is an important problem concerning long period oscillations in harbors. The present study presents a means of computing the response ...

    • Enclosed Rotating Disks with Superposed Throughflow: Mean Steady and Periodic Unsteady Characteristics of Induced Flow 

      Daily, J. W.; Ernst, W. D.; Asbedian, V. V. (Cambridge, Mass. : Hydrodynamics Laboratory, Dept. of Civil Engineering, Massachusetts Institute of Technology, 1964-04)
      This is a report of a study of enclosed rotating disks with radial outward throughflow superposed on the fluid motion induced by the disk. The report presents information on the flow mechanics in the axial clearance space ...

    • Wave Reflection and Transmission in Channels of Gradually Varying Depth 

      Ippen, A. T.; Alam, A. M. Z.; Bourodimos, E. L. (Cambridge, Mass. : Massachusetts Institute of Technology, Hydrodynamics Laboratory, Department of Civil Engineering, 1964-07)
      This report presents the results of a study on the reflection and transmission of water waves in a rectangular channel with transitions of linearly varying depths. Two channel sections of uniform depths are joined by ...

    • Dispersion of Pollutants in Estuary Type Flows 

      Holley, Jr., Edward R.; Harleman, Donald R. F. (Cambridge, Mass. : Hydrodynamics Laboratory, Dept. of Civil Engineering, Massachusetts Institute of Technology, 1965-01)
      Much of the engineering literature has failed to show an understanding of the mechanism of longitudinal dispersion which arises in the one dimensional representation of pollution transport in turbulent shear flows. In the ...

    • Secondary Motion and Turbulence in Circular Couette Flow 

      Gelhar, L. W.; Schriek, W.; Benham, F. A. (Cambridge, Mass. : Hydrodynamics Laboratory, Dept. of Civil Engineering, Massachusetts Institute of Technology, 1966-07)
      The flow in an annular space between two separately rotating cylinders of finite length is investigated. It is found that when the outer cylinder rotates faster than, and in the same direction as, the inner cylinder, the ...

    • Wave Reflection and Transmission in Open Channel Transitions 

      Bourodimos, E. L.; Ippen, A. T. (Cambridge, Mass. : Hydrodynamics Laboratory, Dept. of Civil Engineering, Massachusetts Institute of Technology, 1966-08)
      The topics of this report are a theoretical development and an experimental investigation of the transformation of water-wave characteristics in the reflection and transmission processes through channel transitions of ...

    • Turbulent Pipe Flow with Rough and Porous Walls 

      Munoz Goma, R. J.; Gelhar, L. W. (Cambridge, Mass. : Hydrodynamics Laboratory, Dept. of Civil Engineering, Massachusetts Institute of Technology, 1968-04)
      The characteristics of turbulence in shear flow near rough and porous walls are investigated theoretically and experimentally. Flows of this nature are present, for instance, in the case of a erodible particulate stream-bed. ...

    • A Distributed Linear Representation of Surface Runoff 

      Maddaus, William O.; Eagleson, Peter S. (Cambridge, Mass. : Hydrodynamics Laboratory, Department of Civil Engineering, Massachusetts Institute of Technology, 1969-06)
      A distributed quasi-linear model of direct catchment runoff is developed consisting of cascades of linear reservoirs connected by linear channels. By fitting to the kinematic wave, the model parameters are expressed in ...

    • Linear Programming and Dynamic Programming Application to Water Distribution Network Design 

      Schaake, Jr., John C.; Lai, Dennis (Cambridge, Mass. M.I.T. Hydrodynamics Laboratory, 1969-07)
      The water distribution network design problem is to find the optimal set of investments in pipelines that are needed to satisfy water requirements. The strategy of this study has been first to define an optimality criterion ...

    • Porous Boundary Effects in Turbulent Shear Flow 

      Ruff, J. F.; Gelhar, L. W. (Cambridge, Mass. : Water Resources and Laboratory, Dept. of Civil Engineering, Massachusetts Institute of Technology, 1970-07)
      A technique of measuring seepage velocities is developed in order to investigate the velocity distribution in a porous boundary exposed to a turbulent shear flow. Measurements are performed in a 1.2 in. thick polyurethane ...