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Feature Extraction Method Based on Pseudo-Wigner-Ville distribution for Rotational Machinery in Variable Operating Conditions
feature extraction pseudo-wigner-ville distribution
2011/8/4
In the case of fault diagnosis for roller bearings, the conventional diagnosis approaches by using the time interval of energy impacts in time-frequency distribution or the pass-frequencies are based ...
Estimation of Fine Dust Particles Distribution in Machining Workshop Based on COwZ Model
COwZ model dry cutting fine dust particles dust emission
2011/8/4
Fine dust particles (diameter is less than 2.5 m) generated during machining processes, especially dry cutting, are harmful to operators, because they remain suspended in the air for long time...
Feature Extraction Method Based on Pseudo-Wigner-Ville distribution for Rotational Machinery in Variable Operating Conditions
feature extraction pseudo-wigner-ville distribution variable operating condition
2011/8/4
In the case of fault diagnosis for roller bearings, the conventional diagnosis approaches by using the time interval of energy impacts in time-frequency distribution or the pass-frequencies are based ...
Velocity Distribution in Channels of Rectangular Compound Cross Section
Open channel compound section velocity distribution
2009/10/14
A series of experiments have been carried out in order to measure velocity distribution in a straight symmetrical rectangular compound sections of varying floodplain width, main channel width and step...
SPATIAL FLOW VELOCITY DISTRIBUTION AROUND AN INLET PORT/VALVE ANNULUS
internal combustion engine flow inlet port-valve assembly hot-wire anemometry
2009/10/14
An experimental investigation of the airflow through inlet port of a standard production direct injection diesel engine is presented. The investigation comprises mass flow rate and pressure drop measu...
Wave properties of the elastic half-space loaded by a periodic distribution of vibrating punches: An analytical approach
Wave properties Vibrating punches Analytical results
2010/9/27
An analytical approach is developed to study the wave properties of an elastic half-space subjected to harmonic vibrations applied on its free surface by a periodic array of rigid punches. In the fre...
Thermovision researches of temperature fields distribution in GMA brazed joints of solar collectors
GMA brazing Robotized brazing Solar collectors
2010/2/8
Purpose: of this study was to investigate of temperature fields distribution during GMA brazing of solar collectors.Design/methodology/approach: IR-pictures were recorded with 50 Hz frequency. After r...
Validation Studies of Temperature Distribution and Mould Filling Process for Composite Skeleton Castings
Skeleton castings Composite Simulation Casting
2011/3/11
In this work authors showed selected results of simulation and experimental studies on temperature distribution during solidification of composite skeleton casting and mould filling process (Fig. 4, 5...