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RISPairwise Critical Point Detection Using Torque Signals in Threaded Pipe Connection Processes
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The quality of threaded pipe connections is one of the key quality characteristics of drill pipes, risers, and pipelines. This quality characteristic is evaluated mainly by a pair of critical points, which are corresponding ...
Gas and Water Rate Forecasting of Coalbed Methane Reservoirs Based on the Rescaled Exponential Method
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The traditional production data analysis (PDA) techniques for gas wells largely relied on the implement of pseudo-functions and related type curve methods. Recently, Ye and Ayala (2012 “A Density Diffusivity Approach for ...
A Tensor Voting-Based Surface Anomaly Classification Approach by Using 3D Point Cloud Data
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Advanced three-dimensional (3D) scanning technology has been widely used in many industries to collect the massive point cloud data of artifacts for part dimension measurement and shape analysis. Though point cloud data ...
Stall Warning Strategy Based on Fast Wavelet Analysis in a Multistage Axial Flow Compressor
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: As a reliable stall warning strategy, the fast wavelet method was introduced to successfully predict the aerodynamic instability of a multistage axial flow compressor. One single sensor installed at each stage is proved ...
Physical Mechanisms Investigation of Sharkskin-Inspired Compressor Cascade Based on Large Eddy Simulations
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: To survive in a complex environment, nature has produced efficient and versatile resource-rich structures. One of the novel drag reduction designs comes from the efficient movement of sharks through microscope riblets ...
Integrated Design of Axial Slot Casing Treatment and Blades in a Low-Speed Single Stage Axial Compressor
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Casing treatment has been used to enhance the stability of axial-flow compressor by extending the stall margin; it also induces strong interaction with compressor blades, as demonstrated in the open literature. Revealing ...
Thermal Striping Limits Analysis on the Cylinder With a Defect of Liquid-Cooled Nuclear Fast Reactors
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The structural safety of the cylinder in liquid-cooled fast reactors is significantly affected by high-temperature thermal striping on the cylinder wall due to the free level fluctuation. Based on the elevated-temperature ...
Flow Structures in the Tip Region for a Transonic Compressor Rotor
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Numerical simulations are carried out to investigate flow structures in the tip region for an axial transonic rotor, with careful comparisons with the experimental results. The calculated performance curve and twodimensional ...
Stability Enhancement With Self-Recirculating Injection in Axial Flow Compressor
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Self-recirculating injection, which bleeds air from the downstream duct of the last blade row and injects air as a wall jet upstream of the first rotor blade row, is experimentally investigated after the design of its ...
Analysis on Aerodynamic Stability of Blades by an Efficient Fluid–Structure Coupling Method
Publisher: ASCE
Abstract: Poor calculation efficiency is a major issue in the investigation of time-domain aerodynamics of turbomachinery bladings by fluid–structure coupling. In this work, a numerical methodology for 3D time-domain fluid–structure ...