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Displaying 2801 - 2825 of 3908

Effect of Heating Boundary Conditions on Pool Boiling Experiments

October 1, 1999
Author(s)
J Darabi, M M. Ohadi, M A. Fanni-Tabrizi, S V. Dessiatoun, Mark A. Kedzierski
The two widely used experimental methods for pool boiling experiments are evaluated. Boiling heat transfer data employing either the water or electric heating method obtained by various researchers are compared and discussed. The electric heating method is

Energy Conserving Discrete Boltzmann Equation for Nonideal Systems

October 1, 1999
Author(s)
Nicos Martys
The BBGKY formalism is utilized to obtain a set of moment equations to be satisfied by the collision operator in an energy conserving discrete Boltzmann equation for the case of a nonlocal interaction potential. A modified BGK form of the collision

Pore Scale Modeling of Fluid Transport Using Lattice Boltzmann Methods

October 1, 1999
Author(s)
Nicos Martys, John G. Hagedorn, J E. Devaney
The utility of the lattice Boltzmann method for modeling fluid flow in complex geometries like porous materials is examined. After study of some simple test cases, results from large scale simulations of fluid flow through digitized Fontainbleau sandstone

Architecture for Discrete Construction Component Tracking

September 22, 1999
Author(s)
K M. Furlani, William C. Stone
Accurate and timely identification and tracking of construction components are critical to operating a well-managed and cost efficient construction project. Establishing standards to support identification and tracking technologies has the potential to

Finned-Tube Evaporator Model With a Visual Interface

September 19, 1999
Author(s)
Piotr A. Domanski
This paper presents a finned-tube evaporator model and its utility when equipped with a window-based interface. The modeling scheme is tube-by-tube and allows for specification of complex refrigerant circuits, modeling refrigerant distribution between

Cumulative Seismic Damage of Circular Bridge Columns: Variable Amplitude Tests

September 1, 1999
Author(s)
A El-Bahy, S K. Kunnath, William C. Stone, A W. Taylor
The findings from an experimental study to investigate cumulative seismic damage in reinforced concrete circular bridge piers is presented. Twelve identical quarter-scale bridge columns, designed in accordance with current AASHTO specifications, were

Global Model for Predicting the Burning Rates of Liquid Pool Fires (NISTIR 6381)

September 1, 1999
Author(s)
Anthony P. Hamins, Jiann C. Yang, Takashi Kashiwagi
A global model is presented which predicts the mass burning flux for pool fires consuming liquid fuels in a quiescent environment. the model assumes constant bulk properties such as flame temperature, soot volume fraction, and species concentration. The

Non-Intrusive Scanning Technology for Construction Assessment

September 1, 1999
Author(s)
Geraldine S. Cheok, William C. Stone
Work at the National Institute of Standards and Technology on laser radar imaging of a construction site is described. The objective of the research is to make measurements required in a construction project quicker and cheaper than current practice and to

Transport Properties and Durability of Concrete: Literature Review and Research Plan

September 1, 1999
Author(s)
Dale P. Bentz, J R. Clifton, Chiara F. Ferraris, Edward J. Garboczi, J M. Torrents
The increased emphasis on life cycle cost analysis for building projects requires that new attention be focused on the service life and durability of concrete structures. While concrete is typically specified based on compressive strength and slump, it is

Chemistry and Structure of Hydration Products

August 1, 1999
Author(s)
Paul E. Stutzman
This chapter covers papers published and abstracted in 1996 relating to cement hydration and the chemistry and structure of hydration products.
Displaying 2801 - 2825 of 3908
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