# Integrating-Float Measurements at Low Velocities

*Flow measurement by the integrating-float method was tested in a rectangular flume 1 ft. wide and 2 ft. deep. Stainless steel hollow spheres, 5/8-in. diam., were used as floats. Accuracy...*

Clogging of Porous Column of Spheres by Sediment

*When a sediment suspension moves downward at a constant laminar flow through a vertical porous column packed regularly with uniform spheres and having critical pores which permit passage...*

Head Losses in Wyes and Manifolds

*Head loss coefficients are determined experimentally for symmetrical and unsymmetrical flow through nine symmetrical conical and spherical wyes and manifolds. The diameters of the main...*

Wall Effect on a Sphere in a Rotating Viscous Fluid

*Experiments were carried out to study the wall effect on the slow motion of a sphere along the axis of a rotating cylinder of viscous liquid. In comparison to Stokes flow of a sphere along...*

Stability of Rock Slopesâ€”Graphical Methods

*In a previous paper the writers presented a method for the three-dimensional study of the stability of rock slopes. The weight of the various parameters on the condition of limit equilibrium...*

Ocean Wave Forces on A Subsurface Sphere

*There is an absence of field data for the surface wave-induced forces on a submarine, spherical structure. An ocean test site was established in 25 ft of water to measure the time histories...*

Simulation of Waves by an Underwater Explosion

*The properties of water waves produced by underwater explosions were studied in a test basin where the underwater disturbance was simulated by means of a rapidly withdrawn or immersed...*

Elastic Behavior of Sand

*The total deformation of a mass of sand subjected to a constant stress ratio is divided into an elastic component due to the elastic deformations of the individual particles, and a sliding...*

Frequency Analysis of Complete Spherical Shells

*The results of the transverse frequency analysis of complete spherical shells by elastic theory and classical, improved, and membrane shell theories are compared. Fundamental frequencies...*

Validity of Stokes Theory for Accelerating Spheres

*Measured displacement-time relations for spheres gravitationally accelerating from rest through viscous fluids are compared with the displacement-time relations predicted by the Stokes...*

Analysis of Integrating-Float Flow Measurement

*The classical technique of streamflow measurement by the integrating-float method is reexamined. The effect of float acceleration on discharges measured by the technique is analyzed using...*

Deformation of Sand in Hydrostatic Compression

*The deformational behavior of a granular soil under hydrostatic compressive stress is studied. A theoretical model consisting of regular arrays of uniform spheres, but with a probabilistic...*

Volume Changes in Triaxial and Plane Strain Tests

*Volume changes occurring in packings of rigid spheres during deformation under both triaxial and plane strain conditions are analyzed theoretically. It is shown that smaller volume changes...*

Stokes Flow Behavior of an Accelerating Sphere

*The relation for the force on a sphere undergoing an arbitrary rectilinear acceleration in a viscous fluid was established by Basset in the late nineteenth century. His derivation is based...*

Study of Static Pressure Along, a Rough Boundary

*An experimental study of the effect of roughness on the measurement of static pressure at a wall is reported. Uniform spheres were used to represent the roughness elements; they were packed...*

Added Mass of a Sphere in a Bounded Viscous Fluid

*The validity of potential flow and Stokes viscous flow theory was investigated experimentally to determine the effect of a real fluid on an oscillating rigid sphere bounded by a concentric...*

Validity of a Stochastic Model for Predicting Subsidence

*Experiments performed to investigate the validity of a stochastic model for predicting the subsidence of a granular medium are reported. The experiments consisted of measuring the subsidence...*

Accelerated Motion of a Sphere in a Viscous Fluid

*An investigation was made of the free fall of a sphere from rest in a viscous fluid in order to gain a better understanding of this fundamental form of accelerated motion. For spheres...*

Viscous and Boundary Effects on Virtual Mass

*The virtual mass of a sphere oscillating in a fluid filling a fixed concentric spherical shell was determined experimentally for seven ratios of sphere diameter to shell diameter. These...*

Dispersion-Permeability Correlation in Porous Media

*Longitudinal dispersion and permeability tests were performed in the Darcy flow regime using uniform porous media consisting either of spheres or sand grains....*

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