Browsing Department of Civil and Environmental Engineering by Title

Now showing items 188-207 of 238

    • 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 ...

    • A Scientific Investigation into Concrete Pavement Durability 

      Pellenq, Roland; Bazant, Martin; Dufresne, Alice; Dupuis, Romain; Gregory, Jeremy; e.a. (MIT Concrete Sustainability Hub, Oregon State University, University of New Brunswick, 2021-01)
      Although concrete pavements offer many long-term performance benefits, there are still instances where premature degradation of pavements leads to unexpected and costly repairs. In addition to being a burden to transportation ...

    • A Second-order Budyko-type Parameterization of Landsurface Hydrology 

      Andreou, Stefanos A.; Eagleson, Peter S. (Cambridge, Mass. : Ralph M. Parsons Laboratory, Hydrology and Water Resource Systems, Massachusetts Institute of Technology, Dept. of Civil Engineering, 1982-06)
      This work develops a simple, second-order parameterization of the water fluxes at a landsurface for use as the appropriate boundary condition in general circulation models of the global atmosphere. The derived parameterization ...

    • 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 ...

    • Sediment Transport in the Coastal Environment 

      Madsen, Ole Secher; Grant, William D. (Cambridge, Mass. : Ralph M. Parsons Laboratory for Water Resources and Hydrodynamics, Dept. of Civil Engineering, Massachusetts Institute of Technology, 1976-01)
      The subject of sediment transport in the coastal zone is investigated and the answers to some of the basic questions of sediment transport in unsteady, oscillatory flow are presented. By adopting Jonsson's (1966) results ...

    • Shoumen Palit Austin Datta 

      Datta, Shoumen (2022-11-04)
      CV, Bio

    • Simulation of Observed Topography Using a Physically-based Basin Evolution Model 

      Moglen, Glenn E.; Bras, Rafael L. (Cambridge, Mass. : Ralph M. Parsons Laboratory, Hydrology and Water Resources, Dept. of Civil Engineering, School of Engineering, Massachusetts Institute of Technology, 1994-10)
      This work presents a model for basin evolution and a procedure for estimating the parameters of this model to reproduce a given topography. The model is calibrated based on three measures: the slope-area relationship, the ...

    • Simulation of Random Fields with the Turning Bands Method 

      Mantoglou, Aristotelis; Wilson, John L. (Cambridge, Mass. : Ralph M. Parsons Laboratory Hydrology and Water Resources Systems, Dept. of Civil Engineering, Massachusetts Institute of Technology, 1981-07)
      This report presents and extends the Turning Bands Method (TBM) for the synthetic simulation of random fields. Originally introduced by G. Matheron (1973) of the Ecole des Mines de Paris, the TBM can be applied to stationary ...

    • Simulation of the Continuous Snowmelt Process 

      Laramie, Richard L.; Schaake, Jr., John C. (Cambridge Ralph M. Parsons Laboratory for Water Resources and Hydrodynamics, Massachusetts Institute of Technology, 1972-01)
      The efficient design of many water management projects requires the ability to predict the time distribution of runoff from a melting snowfield. A continuous model of the snow accumation and melting processes is presented ...

    • SNAP 

      Datta, Shoumen (2010-05-18)
      Suggestion for public education to consider ubiquitous computing in its innovation curriculum.

    • SOFT - Sense of Future Trends 

      Datta, Shoumen (2021-07-24)
      SOFT is a discussion about future trends (Sense of Future Trends) with respect to global public goods: food, energy, water, sanitation and healthcare (FEWSH).

    • Solar Pond Feasibility Study for Egypt: Preliminary Report 

      Salhotra, Atul; Adams, E. Eric; Harleman, Donald R. F. (Cambridge, Mass. : Ralph M. Parsons Laboratory, Aquatic Science and Environmental Engineering, Massachusetts Institute of Technology, Dept. of Civil Engineering, 1983-01)
      The report presents a preliminary feasibility study for salt gradient solar ponds in Egypt. Chapter 1 gives a brief review of the technical and economic aspects of solar ponds. Chapter 2 includes a discussion of the ongoing ...

    • Spatial Analysis of Storm Depths from an Arizona Raingage Network 

      Fennessey, Neil M.; Eagleson, Peter S.; Qinliang, Wang; Rodriguez-Iturbe, Ignacio (Cambridge, Mass : Ralph M. Parsons Laboratory, Hydrology and Water Resource Systems,Dept. of Civil Engineering, School of Engineering, Massachusetts Institute of Technology, 1986-08)
      Eight years of summer rainstorm observations are analyzed by a dense network of 93 raingages operated by the U. S. Department of Agriculture, Agricultural Research Service, in the 150 km Walnut Gulch experimental catchment ...

    • Spatial Poisson Models of Stationary Storm Rainfall: Parameterization, Evaluation and Numerical Simulation 

      Fennessey, Neil M.; Qinliang, Wang; Eagleson, Peter S.; Rodriguez-Iturbe, Ignacio (Cambridge, Mass : Ralph M. Parsons Laboratory, Hydrology and Water Resource Systems, Dept. of Civil Engineering, School of Engineering, Massachusetts Institute of Technology, 1986-08)
      Eight years of summer raingage observations are analyzed for a dense, 93 raingage, network operated by the U.S. Department of Agriculture, Agricultural Research Service, in the 150 km2 Walnut Gulch catchment near Tucson, ...

    • Spillway Analysis in Dam Safety Evaluation 

      Langseth, David E.; Perkins, Frank E. (Cambridge, Mass. : Ralph M. Parsons Laboratory, Hydrology and Water Resource Systems, Massachusetts Institute of Technology, Dept. of Civil Engineering, 1984-12)
      This work develops, tests, and applies a non-dimensional flood damage model which includes both overtopping and non-overtopping dam failures. The model represents a catchment, reservoir, dam, channel, and damage site. Peak ...

    • Staged Diffusers in Shallow Water 

      Almquist, Charles W.; Stolzenbach, Keith D. (Cambridge, Mass. : Ralph M. Parsons Laboratory for Water Resources and Hydrodynamics, Dept. of Civil Engineering, Massachusetts Institute of Technology, 1976-06)
      The discharge of waste heat from electric power plants into natural water bodies has the potential for adversely affecting the aquatic ecology of the receiving water. Because each discharge site has its own physical and ...

    • A Statistical Linearization Approach to Real Time Nonlinear Flood Routing 

      Georgakakos, Konstantine P.; Bras, Rafael L. (Cambridge, Mass. : Massachusetts Institute of Technology, Ralph M. Parsons Laboratory for Water Resources and Hydrodynamics, 1980-06)

    • A Stochastic Dynamic Programming Model for the Operation of the High Aswan Dam 

      Alarcon, Luis F.; Marks, David H. (Cambridge, Mass. : Ralph M. Parsons Laboratory for Water Resources and Hydrodynamics, Dept. of Civil Engineering, Massachusetts Institute of Technology, 1979-11)
      With the construction of the High Aswan Dam in Egypt, reliable irrigation throughout the whole year and the use of water for the generation of a high percentage of the electricity needs of the country are possible. Moreover, ...

    • Stochastic Modeling of Groundwater Systems 

      Gelhar, Lynn W.; Ko, Peter Y.; Kwai, Herman H.; Wilson, John L. (Cambridge, Mass. : Ralph M. Parsons Laboratory for Water Resources and Hydrodynamics, Dept. of Civil Engineering, Massachusetts Institute of Technology, 1974-09)
      This research developed important new results on the use of spectral analysis techniques to evaluate groundwater resources. The linear theory of aquifer spectral response in the frequency domain is developed, including ...

    • Study of a Real-time Adaptive Closed-loop Control Algorithm for Reservoir Operation 

      Buchanan, Ross B.; Bras, Rafael L. (Cambridge, Mass. : Ralph M. Parsons Laboratory for Water Resources and Hydrodynamics, Department of Civil Engineering, Massachusetts Institute of Technology, 1981-07)
      Recent studies on the optimal control of the High Aswan Dam in Egypt have illustrated the usefulness of steady-state stochastic dynamic programming techniques for deriving optimal release policies. This work likewise uses ...