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Turbulent Flow Downstream of a Perforated Plate: Sharp-Edged Orifice Versus Finite-Thickness Holes
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In this study, perforated plates with sharp-edged orificed openings and finite-thickness straight openings were applied to produce nearly isotropic turbulence in a wind tunnel. At the same nominal ...
The Effect of Mean Turbulent Strain Rate on the Flame Speed of Premixed, Growing Flames
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper presents a flame growth model based on experimental measurements of flame speed and mean turbulent strain rate. Methane/air mixtures of 0.7 and 0.9 equivalence ratios were centrally ...
Visco-Elasto-Plastic Analysis of Steel Frames in Fire
Publisher: American Society of Civil Engineers
Abstract: A finite element formulation for the analysis of two-dimensional steel frames either at ambient or elevated temperature is presented. The formulation includes both geometric and material nonlinearities, and a creep model. ...
Plastic Limit Temperatures of Flexibly Connected Steel Frames: A Linear Programming Problem
Publisher: American Society of Civil Engineers
Abstract: A linear programming (LP) formulation is proposed for the evaluation of the plastic limit temperature of flexibly connected steel frames exposed to fire. Within a framework of discrete models and piecewise linearized yield ...
Basis and Application of a Simple Interaction Formula for Steel Columns under Fire Conditions
Publisher: American Society of Civil Engineers
Abstract: The Rankine method has been applied to steel columns and frames subjected to increasing loads but maintained at ambient temperature. An original derivation of the formula, which is general and based on the virtual work ...
Nonlinear Elastoplastic Analysis of Semirigid Steel Frames at Elevated Temperature: MP Approach
Publisher: American Society of Civil Engineers
Abstract: An elastoplastic analysis of semirigid steel frames subjected to elevated temperature is presented. Within the discretized structural framework, an updated Lagrangian approach is used to incorporate the nonlinear geometric ...
Anisotropic Sea Ice Indentation in the Creeping Mode
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: An orthotopic elastic-power law creep model for sea ice is presented and then a finite element method of analysis is developed and applied to study the effect of sea ice anisotropy on ...
Axisymmetric Plastic Plates with Ring Supports at Optimum Locations
Publisher: American Society of Civil Engineers
Short-Term Water Demand Forecasting Using Nonlinear Autoregressive Artificial Neural Networks
Publisher: ASCE
Abstract: Short-term water demand forecasting models address the case of a real-time optimal water pumping schedule. This study focuses on developing artificial neural network (ANN) models to forecast water demand 24 h and ...
Evaluation and Management of Political Risks in China's BOT Projects
Publisher: American Society of Civil Engineers
Abstract: The potential slowdown of the economic growth in China has led the government to increase spending in basic infrastructure such as roads, ports, and power generation facilities. There are opportunities in the infrastructure ...
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