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Darcy’s Law - SSPEED Center Rice University Darcy allows an estimate of: the velocity or flow rate moving within the aquifer the average time of travel from the head of the aquifer to a point located downstream Darcy’s Law Darcy’s law provides an accurate description of the flow of ground water in almost all hydrogeologic environments
Science Assessment of CAMx and CMAQ: I. Comparison of Model Inputs and . . . Emissions Inventory Standard vs imputed (base5b psito2n2) HRVOC emissions CB-IV mechanism SAPRC mechanism CAMx and CMAQ both use the same emissions EI but some minor differences Different plume rise methods cause different vertical distributions of elevated source emissions Some chemical species for CAMx are not used in CMAQ Ex) MEOH, ETOH CMAQ Kz Sensitivity Experiments With CMAQ Eddy
PowerPoint Presentation Constructional Profiles as the Basis of Semantic Analysis Suzanne Kemmer Rice University kemmer@rice edu Introduction Construction Grammar defines constructions as linguistic units that necessarily have some non-compositional semantics Constructions have some aspect of meaning that is not reducible to (or “predictable from”) its component
Flow Nets - SSPEED Center Flow Nets Philip B Bedient Civil Environmental Engineering Rice University Flow Net Theory Streamlines Y and Equip lines are Streamlines Y are parallel to no flow boundaries Grids are curvilinear squares, where diagonals cross at right angles Each stream tube carries the same flow
No Slide Title Aims and Learning Objectives By the end of this session students should be able to: Explain the nature of heteroskedasticity Understand the causes and consequences of heteroskedasticity Perform tests to determine whether a regression model has heteroskedastic errors Nature of Heteroskedasticity Heteroskedasticity is a systematic pattern in the errors where the variances of the errors are not
Ground Water Hydrology Introduction - 2005 - SSPEED Center Dupuit Assumptions For unconfined ground water flow Dupuit developed a theory that allows for a simple solution based off the following assumptions: 1) The water table or free surface is only slightly inclined 2) Streamlines may be considered horizontal and equipotential lines, vertical 3) Slopes of the free surface and hydraulic gradient are equal Derivation of the Dupuit Equation Darcy’s
PowerPoint Presentation A Valve Odyssey An Analysis of the Potential Uses of Antimony-Impregnated Carbon Graphite in Ball Valves Katherine Davis, Gary Eddy, Alex Johannigman, Nathan Valdez ge2@rice edu Stand Ball Valve Pneumatic
Introduction to Finite Element Analysis - Rice University General Structural Problem For the following structure we want to compute Bending moments, shear forces, axial forces Bending, shear and axial stresses and strains Deflections Finite Element Analysis (FEA), The basic idea Complex structures systems are often too complicated to simply derive relationships between applied loads, deflections and internal stresses Hence large structures are