Buoyant Jet Discharges into Finite Ambient Waters
The paper presents the results of an experimental study regarding the effect of the lateral dimension of the receiving water on the spreading, mixing, and temperature decay of a horizontal...

Optimum Truss Geometry for Two Loading Conditions
Variable node coordinates are considered for the case of minimum weight design under two alternative loading systems of simple ideal trusses. Optimality Kuhn-Tucker conditions are derived...

Settling in Continuous Sedimentation Tanks
The widely used empirical relation for the exponential decay of sediment as a function of the overflow rate is given theoretical justification. Using the approach of Camp, who extended...

Optimum Choice of Determinate Methods Under Multiple Loads
An algorithm for choosing the least-weight statically determined configuration of a given truss under two loading conditions is presented. The procedure is based on modifying the optimal...

Transformation for Solving Linear Equations
This paper proposes an equation solving adjunct for improving the optimality of computer solution of many (thousands of) sparsely-populated linear equations. The paper provides a formal...

Ocean Wave Statistics for 1961 North Atlantic Storm
Various statistical quantities for a random wave system are derived by different proposed means and compared to each other. A series of ocean waves recorded during a severe storm in the...

Decomposition Approach to Bus Network Design
This paper presents a decomposition approach to bus network design in which the task of network design is accomplished through the optimization of a series of subproblems. Bus routes are...

Factors Influencing Activated Sludge Properties
Activated sludge dewatering and thickening properties were found to depend upon the concentration of bio-polymers in solution. Sludge conditioning agents were found to function by coagulation...

Stochastic Considerations in Thunderstorm Modeling
A mesoscale stochastic model of thunderstorm activity is developed to simulate the hourly development of both air mass and squall-line storms. This modeling technique is based on Poisson...

Radial Dispersion Through Adsorbing Media
The convective-dispersion equation for the transport of a radioactive tracer through an adsorbing porous medium is solved in the cylindrical polar system of coordinates by the Galerkin...

Transient Dispersion in Uniform Media Flow
Analytical solutions are developed for the transient dispersion from a finite line source or a rectangular plane source in saturated steady uniform porous media flow. The sources are oriented...

Equalization of Time Variable Waste Loads
Influent variability removals in plug flow, dispersion flow, and completely mixed basins with or without decay have been examined and mathematical models developed. The spectral analysis...

Operations Models for Central Valley Project
System optimizing procedures are being developed for on-line use in the operation of the Central Valley Project (CVP), a complex multiple objective water resource system, in California....

Pressure Fluctuations in Submerged Jump
Mean velocities and pressures in the submerged jump downstream of a sluice gate have been investigated. The empirical relationship between the rate of expansion of the jet and the rate...

End Effects in Long Curved Beam
Eigenfunction solutions of the biharmonic equation have been used to investigate the Saint-Venant boundary region in a long curved beam of rectangular cross section. The participation...

Ozone Degradation in Packed Columns
Ozone is being considered increasingly as an alternate disinfectant to chlorine for use in water and wastewater systems. Owing to its low solubility, the design of efficient contact systems...

Control of Gas Flow from Sanitary Landfills
Organic refuse materials deposited in a sanitary landfill undergo a process of decomposition that generates various gases, e.g., methane, carbon dioxide, hydrogen sulfide, etc., as well...

Strength Decay of RC Columns under Shear Reversals
The decay in shear strength of tied reinforced concrete columns during earthquake loading was investigated by subjecting 12 column specimens to several reversals of loading to deflections...

Multistage Optimization of Structures
The design optimization problem is formulated as a multistage decision system by decomposing the structure into a series of substructures. The adoption of indeterminate forces as the state...

Tornado Risk Evaluation Using Wind Speed Profiles
This paper deals with an approximate form for the wind speed decay from the peak velocity out to the gale intensity boundary is introduced. This is combined with Wen and Chu's...

 

 

 

 

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