Application of partial inversion pulse to ultrasonic time-domain correlation method to measure the flow rate in a pipe

2017 ◽  
Vol 28 (11) ◽  
pp. 115302 ◽  
Author(s):  
Sanehiro Wada ◽  
Noriyuki Furuichi ◽  
Takashi Shimada
Keyword(s):  
Flow Rate ◽  
Time Domain ◽  
Correlation Method ◽  
Inversion Pulse ◽  
Ultrasonic Time ◽  
Time Domain Correlation ◽  
Partial Inversion

Velocity Profile Measurement in Turbulent Pipe Flow Using Ultrasound Time-Domain Correlation Method

2002 ◽  
Author(s):  
Gentaro Yamanaka ◽  
Hiroshige Kikura ◽  
Masanori Aritomi
Keyword(s):  
Velocity Profile ◽  
Time Domain ◽  
Pipe Flow ◽  
Correlation Method ◽  
Turbulent Pipe Flow ◽  
Profile Measurement ◽  
Doppler Method ◽  
Velocity Profile Measurement ◽  
Pulse Doppler ◽  
Time Domain Correlation

This paper presents a velocity profile measurement technique using a ultrasound time-domain correlation method (UTDC). The system is based on the cross correlation between two consecutive echoes of ultrasonic pulses to detect the velocity. The UTDC has two advantages over a conventional ultrasound pulse Doppler method. First, the system has a higher time resolution than the pulse Doppler method. Second, the system does not have a limitation in maximum measurable velocity, which is limited by Nyquist’s sampling theorem. In this paper, the velocity profile measurement in turbulent pipe flow using the UTDC is performed.

Characterization of TWTA nonlinearity by means of a time-domain correlation method

2008 ◽  
Author(s):  
Enrico Colzi ◽  
Piero Angeletti ◽  
Marinella Aloisio ◽  
Salvatore D'Addio ◽  
Roger Oliva Balague ◽  
...  
Keyword(s):  
Time Domain ◽  
Correlation Method ◽  
Time Domain Correlation
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