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Multy-stage Cold Forging Process Optimization of EPB Spindle Nut by Formability Evaluation
Forged parts made of cold heading quality wire materials are used for automotive brake systems. In general, forged parts are limited in weight...
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Optimal Target Function for the Fractional Fourier Transform of LFM Signals
Owing to their effectiveness in underwater acoustic communication, linear frequency modulation (LFM) signals have been widely used in commercial and...
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Aerodynamic Design Method for a Variable Geometry Turbine
This chapter mainly summarizes the selection and optimization of low-dimensional, aerodynamic design parameters of variable geometry turbines, the...
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Numerical simulation of flow behavior in a urea liquid external gear pump with immersed solid method
The selective catalytic reduction (SCR) system features with integrated high-pressure urea dosing pump to regulate the urea spray injection pressure...
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Nonlinear normal modes and optimization of a square root nonlinear energy sink
Since the vibration mitigation of nonlinear energy sinks (NESs) needs multi-objective optimization, this paper aims to address this issue with...
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Internal flow structure, fault detection, and performance optimization of centrifugal pumps
This review mainly summarizes the latest developments in the internal flow field and external characteristics of centrifugal pumps. In particular,...
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Optimization of Horizontal Well Fracturing Design Using Mechanical Specific Energy (MSE)
Multiple-stage and multiple-clusters of horizontal well fracturing requires not only an optimized operation design, but also an efficient fracture...
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Preform Optimization of Functional Bevel Gear for Warm Forging Processes
Optimizing the design of the preform shapes used in warm forging processes is important for improving quality and reducing cost. The main objective...
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Numerical Analysis on Load Sharing Characteristics of Multistage Face Gears in Planetary Transmission
Planetary transmission devices that use multistage face gears comprise structural components such as bevel gears, cylindrical gears, and face gears....
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A Novel Axial Vibration Model of Multistage Pump Rotor System with Dynamic Force of Balance Disc
PurposeIn this paper, a novel axial dynamic model including the transient force of balance disc is proposed to predict the vibration characteristics...
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Model validation of hollow embossing rolling for bipolar plate forming
Hollow embossing rolling is a promising forming technology for metallic bipolar plates because of the high achievable production rates. However, the...
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Optimal Design of Failure Mode Control for Semi-rigid Steel Frame Based on Elitist Retained Genetic Algorithm
The post-earthquake reports show that failure mode control design is of great significance to improve the seismic performance of structures. To...
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Latest advancements in the lubricant simulations of geared systems: a technology ready for industrial applications
Energy efficiency represents an important aspect of mechanical design. Despite their long history, gears still play a determinant role in several...
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Experimental Study of Conical Rotary Compressor for High Pressure Ratio Applications
The Conical Rotary Compressor (CRC) is a positive displacement machine characterized by internal meshing, variable pitch, and variable rotor profile....
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An improved bearing fault diagnosis method based on variational mode decomposition and adaptive iterative filtering (VMD-AIF)
Rolling bearings are widely applied in rotary machines. Bearing failures can lead to long machine downtime and costly maintenance. To reduce the...
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Experimental investigation on a lightweight, efficient, counter-rotating fan with and without boundary layer ingestion
The experimental investigations on the counter-rotating CRISPmulti fan with boundary layer ingestion are presented in this paper. The Counter...
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Preliminary Design of Axial Flow Compressors
With reference to an axial compressor stage, a procedure for the calculation of kinematic parameters at mean diameter (Sect. 4.1), thermodynamic...
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Multi-objective optimization of a 2-stage spur gearbox using NSGA-II and decision-making methods
Gears are crucial elements in mechanical systems and contribute to the overall performance of machinery. As such, optimization of gearbox...
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Temporal–Spatial Analysis of the Flow Energy Loss in the Guide Vane and Circular Volute of Mixed-Flow Pump
Vaned-voluted combined diffuser is usually applied to specific pump units requiring high stability. However, due to the non-uniform internal flow...
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Robust Coordinated Control and Vibration Isolation Analysis for Multi-stage Satellite with Friction Disturbance
A limit time adaptive prescribed performance control (LTAPPC) is proposed for ultra-agile ultra-stable and ultra-pointing multi-stage satellite in...
