Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Equipments Used To Measure Blood Pressure01:30

Equipments Used To Measure Blood Pressure

Direct Method
This invasive approach involves cannulating a peripheral artery. During each cardiac contraction, pressure generates mechanical motion within the catheter, transmitted through rigid, fluid-filled tubing to a transducer. This transducer converts mechanical motion into electrical signals displayed as waveforms on a monitor. An automatic flushing system prevents blood backflow. Due to the potential risk of unexpected arterial blood loss, this method is primarily used in intensive...
Assessing Blood pressure using a doppler ultrasound01:19

Assessing Blood pressure using a doppler ultrasound

To obtain accurate blood pressure measurements in clinical settings, especially when traditional methods are insufficient, healthcare professionals utilize the Doppler ultrasound technique. This method uses high-frequency sound waves to detect blood flow within the arteries, which is crucial for patients with conditions that complicate circulatory system assessment.
Pre-Procedural Guidelines for Doppler Ultrasound Blood Pressure Assessment:
Preparation of Equipment:
Measurement of Fluid Pressure01:16

Measurement of Fluid Pressure

Fluid pressure is commonly measured using devices called manometers, which rely on liquid columns to indicate pressure differences. The height of a liquid column in a manometer reflects the pressure exerted by the fluid, providing a simple yet effective means of measurement. Different types of manometers serve specific purposes based on their configurations and the type of fluids involved.
A basic form of manometer is the piezometer, a vertical tube open at the top and filled with the same...
Pipe Flowrate Measurement01:28

Pipe Flowrate Measurement

In pipe flow measurement, orifice, nozzle, and Venturi meters are commonly used to determine fluid flowrates by constricting the flow area, which increases fluid velocity and reduces pressure. This pressure difference, governed by Bernoulli's principle and adjusted for real-world conditions, is essential for calculating flowrate. Each meter type is suited to specific applications based on accuracy, efficiency, and compatibility with various flow conditions.
The orifice meter is a simple,...

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

The Role of Exercise-Mode Variation in Daily Load Management Among World-Class Cross-Country Skiers.

International journal of sports physiology and performance·2025
Same author

Effect of Class, Sex, and Final Rank on the Time Distribution Across Terrains During Para Cross-Country Skiing Races.

European journal of sport science·2025
Same author

Pacing Demands in Competitive Nordic Skiing.

International journal of sports physiology and performance·2024
Same author

A spectrum-of-spectrum filtering method to extract direct and multipath arrivals from simulations and measurements.

MethodsX·2023
Same author

Performance-Determining Variables of a Simulated Sprint Cross-Country Skiing Competition.

International journal of sports physiology and performance·2023
Same author

Finite element-based diffraction correction for piezoelectric transducers accounting for diffraction at transmission, propagation, and reception.

The Journal of the Acoustical Society of America·2023

Related Experiment Video

Updated: Jun 5, 2026

Ultrasound Velocity Measurement in a Liquid Metal Electrode
08:41

Ultrasound Velocity Measurement in a Liquid Metal Electrode

Published on: August 5, 2015

11.6K

Diffraction correction in high-precision pulse-echo and multiple-reflection ultrasonic measurement systems for

Eivind Nag Mosland1, Per Lunde1, Jan Kocbach2

  • 1Department of Physics and Technology, University of Bergen, P.O. Box 7803, N-5020 Bergen, Norway.

The Journal of the Acoustical Society of America
|September 10, 2024
PubMed
Summary

Accurate diffraction correction is crucial for high-precision ultrasonic measurements. A generalized finite element diffraction correction (FEDC) model shows significant deviations from piston-based models in n-way systems.

More Related Videos

Multiplexing Focused Ultrasound Stimulation with Fluorescence Microscopy
08:39

Multiplexing Focused Ultrasound Stimulation with Fluorescence Microscopy

Published on: January 7, 2019

8.2K
Author Spotlight: A Stable Phantom Material for Optical and Acoustic Imaging
04:54

Author Spotlight: A Stable Phantom Material for Optical and Acoustic Imaging

Published on: June 16, 2023

2.8K

Related Experiment Videos

Last Updated: Jun 5, 2026

Ultrasound Velocity Measurement in a Liquid Metal Electrode
08:41

Ultrasound Velocity Measurement in a Liquid Metal Electrode

Published on: August 5, 2015

11.6K
Multiplexing Focused Ultrasound Stimulation with Fluorescence Microscopy
08:39

Multiplexing Focused Ultrasound Stimulation with Fluorescence Microscopy

Published on: January 7, 2019

8.2K
Author Spotlight: A Stable Phantom Material for Optical and Acoustic Imaging
04:54

Author Spotlight: A Stable Phantom Material for Optical and Acoustic Imaging

Published on: June 16, 2023

2.8K

Area of Science:

  • Ultrasonic Measurement Systems
  • Acoustic Metrology
  • Non-Destructive Testing

Background:

  • High-precision ultrasonic measurement systems require accurate diffraction correction models.
  • Existing models based on baffled-piston theory may not fully capture complex diffraction effects.
  • Prior work established a finite element diffraction correction (FEDC) model for one-way systems.

Purpose of the Study:

  • To generalize the finite element diffraction correction (FEDC) model for n-way ultrasonic measurement systems (n=1, 2, 3,...).
  • To compare the generalized FEDC model with existing piston-type diffraction correction models.
  • To evaluate the necessity of accurate diffraction descriptions in high-precision ultrasonic applications.

Main Methods:

  • Generalization of the finite element diffraction correction (FEDC) model for n-way systems with coaxially aligned piezoelectric transducers in a fluid medium.
  • Comparison with baffled-piston models using specular reflection and 'new source' reflection approximations.
  • Numerical simulations for a system with two identical cylindrical piezoelectric disks in a fluid.

Main Results:

  • The generalized FEDC model provides a more comprehensive description of diffraction effects compared to piston-type models.
  • Piston-type models show notable deviations from the FEDC model in both near- and far-field predictions.
  • Deviations between piston-type models themselves were also observed, highlighting their limitations.

Conclusions:

  • Accurate diffraction correction, as provided by the FEDC model, is essential for high-precision ultrasonic measurement systems.
  • The choice of diffraction model can significantly impact measurement accuracy, depending on system parameters.
  • The generalized FEDC model offers a more robust approach for various ultrasonic measurement configurations.