6 Matching Results

Search Results

Results: 1 - 6
open access

Structure functions: Their status and implications

Description: I discuss the current status of structure functions. Attention is given to the uncertainties in them and the implications of these uncertainties for experimental predictions. I indicate which experiments are capable of removing these uncertainties. 17 refs., 17 figs., 1 tab.
Date: September 29, 1988
Creator: Hinchliffe, I.
Partner: UNT Libraries Government Documents Department
open access

Hydrogeology and hydrodynamics of coral reef pore waters

Description: A wide variety of forces can produce head gradients that drive the flow and advective mixing of internal coral reef pore waters. Oscillatory gradients that produce mixing result from wave and tide action. Sustained gradients result from wave and tide-induced setup and ponding, from currents impinging on the reef structure, from groundwater heads, and from density differenced (temperature or salinity gradients). These gradients and the permeabilities and porosities of reef sediments are such tha… more
Date: June 29, 1988
Creator: Buddemeier, R.W. & Oberdorfer, J.A.
Partner: UNT Libraries Government Documents Department
open access

Time-dependent mass loss from hot stars with and without radiative driving

Description: A numerical hydrodynamics code is used to investigate two aspects of the winds of hot stars. The first is the question of the instability of the massive radiatively-driven wind of an O star that is caused by the line shape mechanism: modulation of the radiation force by velocity fluctuations. The evolution of this instability is studied in a model O star wind, and is found, /ital modulo/ some numerical uncertainty, to lead to wave structures that are compatible with observations of wind instabi… more
Date: January 29, 1988
Creator: Castor, John I.; Owocki, Stanley P. & Rybicki, George B.
Partner: UNT Libraries Government Documents Department
open access

Application of the results of excavation response experiments at climax and the Colorado School of Mines to the development of an experiment for the underground research laboratory

Description: Large-scale underground experiment programs to examine excavation response have been performed at the Climax facility in Nevada and at the Colorado School of Mines. These two programs provided fundamental information on the behavior of rock and the effects of excavation; on instrument performance and configuration; and on the relationship between test geometry and test behavior. This information is being considered in the development of a major excavation response experiment to be carried out i… more
Date: April 29, 1988
Creator: Ubbes, W. F.; Yow, J. L., Jr. & Hustrulid, W. A.
Partner: UNT Libraries Government Documents Department
open access

New Instruments at IPNS: POSY II and SAD II

Description: Three new instruments are currently in varying degrees of development/construction at IPNS. One of these, the Glass, Liquid, and Amorphous Materials Diffractometer (GLAD) is the subject of a separate paper in these Proceedings, and so will not be discussed further here. The other two, a second neutron reflectometer (POSY II) and a second small-angle diffractometer (SAD II) are described briefly below. 5 refs., 1 fig., 1 tab.
Date: September 29, 1988
Creator: Crawford, R. K.; Felcher, G. P.; Kleb, R.; Epperson, J. E. & Thiyagarajan, P.
Partner: UNT Libraries Government Documents Department
Back to Top of Screen