Topic
Slab
About: Slab is a research topic. Over the lifetime, 31617 publications have been published within this topic receiving 318693 citations.
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TL;DR: Analysis of the dynamics and electrostatics of the molecular dynamics simulation of a simple membrane-channel system show that slab geometric periodicity eliminates the artificial bulk water orientational polarization that is present while using normal three-dimensional periodicity.
74 citations
TL;DR: In this paper, a constructive system consisting of a prefabricated concrete slab with phase change materials (PCM) macro-encapsulated in small tubes and inserted in its hollows was designed to act as a hybrid system between the passive and active ones.
74 citations
Abstract: Performance of concrete pavements is controlled by the behavior and performance of the jointing system used, especially the performance and load transfer efficiency of the joint. A finite-element program is presented that includes the analysis of slabs with various joint systems in PCC pavements. Dowelled joints, joints with aggregate interlock, and joints with various types of load transfer schemes can be taken into account during the analysis of the slab under load rather than analyzing the slab and joint systems separately and superimposing the results. The program described is also capable of analyzing slabs comprised of two layers with different material properties, either bonded together or unbonded. Slab thickness, slab modulus values, and subgrade support values can each be varied at each node point in the program to evaluate jointed slabs of nonuniform stiffness and nonuniform support.
74 citations
TL;DR: In this article, the authors present a simple static analysis of the stability index, and discuss the importance of slab temperatures and hardness and macroscopic size effects on snow-slab stability.
Abstract: For more than 30 years the quantitative method of evaluating stability (e.g. Roch, 1966; Fohn, 1987; Jamieson, 1995; Jamieson and Johnston, 1998a) has been focused on calculation of a strength-to-load ratio (or stability index): when the shear stress applied to the weak layer reaches the shear strength, failure is imminent. However, field observations combined with experience and measurements indicate that snow-slab temperatures and slab hardness can have a strong influence on dry-snow slab stability. In this paper, we present a simple static analysis of the stability index, and discuss the importance of slab temperatures and hardness and macroscopic size effects (factors not contained in the stability index) on snow-slab stability. Our conclusion is that the traditional method lacks some elements which are very important in snow-slab stability, particularly when skier triggering is involved.
74 citations
TL;DR: In this paper, three-dimensional analysis is performed for the turbulent reactive flow and radiative heat transfer in the walking-beam-type slab reheating furnace by FLUENT.
Abstract: Three-dimensional analysis is performed for the turbulent reactive flow and radiative heat transfer in the walking-beam-type slab reheating furnace by FLUENT. A simplified burner is validated against the results of the actual burner with the detailed grid resolution to avoid an excessive number of grids. The predicted temperature distribution in the furnace and global energy flow fractions are in reasonable agreement with available data. Distribution of the heat flux to the slabs, velocity vectors, and all major scalar variables in the furnace also are predicted. This study shows that three-dimensional analysis may be a useful tool to understand quantitatively the complicated combustion and heat transfer characteristics in the furnace.
74 citations