scholarly journals Numerical study of the Time-of-Flight Pulsed Ultrasonic Polar Scan for the determination of the full elasticity tensor of orthotropic plates

2017 ◽  
Vol 180 ◽  
pp. 29-40 ◽  
Author(s):  
A. Martens ◽  
M. Kersemans ◽  
J. Daemen ◽  
E. Verboven ◽  
W. Van Paepegem ◽  
...  
Keyword(s):  
Numerical Study ◽  
Time Of Flight ◽  
Elasticity Tensor ◽  
Orthotropic Plates ◽  
Pulsed Ultrasonic ◽  
Ultrasonic Polar Scan

scholarly journals Time-Of-Flight recorded Pulsed Ultrasonic Polar Scan for elasticity characterization of composites

2015 ◽  
pp. 141-145
Author(s):  
A Martens ◽  
M Kersemans ◽  
J Degrieck ◽  
W VanPaepegem ◽  
S Delrue ◽  
...  
Keyword(s):  
Time Of Flight ◽  
Pulsed Ultrasonic ◽  
Ultrasonic Polar Scan

Lumas-30 time-of-flight mass spectrometer with pulsed glow discharge for direct determination of nitrogen in steel

2011 ◽  
Vol 66 (14) ◽  
pp. 1411-1416 ◽  
Author(s):  
A. A. Ganeev ◽  
A. R. Gubal’ ◽  
V. I. Mosichev ◽  
N. V. Pershin ◽  
S. N. Petrov ◽  
...  
Keyword(s):  
Glow Discharge ◽  
Mass Spectrometer ◽  
Time Of Flight ◽  
Direct Determination ◽  
Pulsed Glow Discharge ◽  
Flight Mass Spectrometer

scholarly journals Rapid determination of N-methylpyrrolidine in cefepime by combining direct infusion electrospray ionisation-time-of-flight mass spectrometry with field asymmetric waveform ion mobility spectrometry

2015 ◽  
Vol 7 (1) ◽  
pp. 34-39 ◽  
Author(s):  
Robert W. Smith ◽  
Lisa B. Cox ◽  
Aswandi Yudin ◽  
James C. Reynolds ◽  
Mark Powell ◽  
...  
Keyword(s):  
Mass Spectrometry ◽  
Ion Mobility Spectrometry ◽  
Ion Mobility ◽  
Rapid Determination ◽  
Time Of Flight ◽  
Asymmetric Waveform ◽  
Direct Infusion ◽  
Electrospray Ionisation ◽  
Flight Mass Spectrometry

FAIMS separation prior to mass spectrometry enables selective transmission of NMP in cefepime without interference from NMP formed by in-source CID.

A numerical study of the interaction between unsteay free-stream disturbances and localized variations in surface geometry

1989 ◽  
Vol 209 ◽  
pp. 285-308 ◽  
Author(s):  
R. J. Bodonyi ◽  
W. J. C. Welch ◽  
P. W. Duck ◽  
M. Tadjfar
Keyword(s):  
Numerical Solutions ◽  
Free Stream ◽  
Stokes Equations ◽  
Numerical Study ◽  
Navier Stokes ◽  
Surface Geometry ◽  
Navier Stokes Equations ◽  
S Waves ◽  
Tollmien Schlichting

A numerical study of the generation of Tollmien-Schlichting (T–S) waves due to the interaction between a small free-stream disturbance and a small localized variation of the surface geometry has been carried out using both finite–difference and spectral methods. The nonlinear steady flow is of the viscous–inviscid interactive type while the unsteady disturbed flow is assumed to be governed by the Navier–Stokes equations linearized about this flow. Numerical solutions illustrate the growth or decay of the T–S waves generated by the interaction between the free-stream disturbance and the surface distortion, depending on the value of the scaled Strouhal number. An important result of this receptivity problem is the numerical determination of the amplitude of the T–S waves.

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