Experimental measurements of frequency transfer function due to smoothing by spectral dispersion

2013 ◽  
Author(s):  
Jacques Luce ◽  
Denis Penninckx
Keyword(s):  
Transfer Function ◽  
Experimental Measurements ◽  
Spectral Dispersion ◽  
Frequency Transfer

Phase measurement of nonuniform phase-shifted interferograms using the frequency transfer function

2019 ◽  
Vol 58 (15) ◽  
pp. 4157 ◽  
Author(s):  
Ivan Choque ◽  
Manuel Servin ◽  
Moises Padilla ◽  
Miguel Asmad ◽  
Sotero Ordones
Keyword(s):  
Transfer Function ◽  
Phase Measurement ◽  
Frequency Transfer

Frequency Transfer Function From Fluid Temperature Fluctuations to Stress Intensity Factors

2003 ◽  
Author(s):  
Naoto Kasahara ◽  
Masanori Ando ◽  
Ihciro Furuhashi ◽  
Chen Fuquan ◽  
Hideki Takasho
Keyword(s):  
Stress Intensity ◽  
Transfer Function ◽  
Stress Intensity Factors ◽  
Temperature Fluctuation ◽  
Fatigue Cracks ◽  
Temperature Fluctuations ◽  
Fluid Temperature ◽  
Intensity Factors ◽  
Rational Analysis ◽  
Frequency Transfer

Temperature fluctuation from incomplete fluid mixing can induce fatigue cracks on structures of nuclear components, which should be prevented. For rational analysis of this phenomenon, the authors have developed a frequency transfer function that translates fluid temperature fluctuation to stress intensity factors. This function is formulated by a product of the effective heat transfer and the stress intensity factor functions, and enables us to quickly calculate stresses intensity factors induced by fluid temperature fluctuations. Furthermore, it can evaluate sensitivities of stress intensity factors to frequencies of temperature fluctuation, Biot number and constraint conditions of structures. Applicability of this function was verified through comparison with stress intensity factors calculated by the finite element method.

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