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

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,...
Pipe Flowrate Measurement: Problem Solving01:28

Pipe Flowrate Measurement: Problem Solving

A spray tank system is engineered to uniformly distribute a pest-control liquid across plants by using a pressurized mechanism. The tank, pressurized to 150 kPa, holds the pesticide at a height of 0.80 meters. Liquid flows from the tank through a 1.9 meter pipe with a diameter of 0.015 meters, angled at 0.698 radians, ultimately reaching a 0.007 meter nozzle that sprays the pesticide. Accurate calculation of the system's flow rate is crucial to ensure uniform application, and this is achieved...
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...
Fluid Pressure01:14

Fluid Pressure

In mechanical engineering, fluid pressure plays a critical role in designing systems that utilize liquid flow, such as hydraulic systems, pumps, and valves. When designing these systems, engineers must ensure they can withstand the forces created by fluid pressure to avoid damage or failure.
According to Pascal's law, a fluid at rest will generate equal pressure in all directions. This pressure is measured as a force per unit area, and its magnitude depends on the fluid's specific weight or...
Static, Stagnation, Dynamic and Total Pressure01:24

Static, Stagnation, Dynamic and Total Pressure

The concept of static, stagnation, dynamic, and total pressure is fundamental in fluid dynamics, often explained using Bernoulli's equation:

You might also read

Related Articles

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

Sort by
Same author

Efficacy of dietary onion powder (Allium cepa L.) as a phytogenic feed additive: Effects on growth performance, blood biochemistry, gut morphology, and immune function in broiler chickens.

Poultry science·2026
Same author

Shaping open surgical skills: Eight years of reconstructive urology simulation training in the UK.

Actas urologicas espanolas·2026
Same author

Histopathological Patterns of Ovarian Tumors and P53, Ki-67 Expression in Epithelial Ovarian Carcinoma.

Mymensingh medical journal : MMJ·2025
Same author

Trimetazidine Ameliorates Progression of Diabetic Nephropathy by Reducing Serum Creatinine Level in Streptozotocin Induced Diabetic Rats.

Mymensingh medical journal : MMJ·2025
Same author

Adverse Cutaneous Outcomes of the Available Covid-19 Vaccines in Bangladesh.

Mymensingh medical journal : MMJ·2025
Same author

Beneficial Effect of Trimetazidine on Streptozotocin Induced Diabetic Nephropathy in Rats by Enhancing Glutathione Status.

Mymensingh medical journal : MMJ·2025

Related Experiment Video

Updated: Jul 8, 2026

Blast Quantification Using Hopkinson Pressure Bars
09:41

Blast Quantification Using Hopkinson Pressure Bars

Published on: July 5, 2016

Pressure measurements in laboratory-scale blast wave flow fields.

S Rahman1, E Timofeev, H Kleine

  • 1Department of Mechanical Engineering, McGill University, 817 Sherbrooke St. West, Montreal, Quebec H3A2K6, Canada.

The Review of Scientific Instruments
|January 1, 2008
PubMed
Summary

Finite size and response time of pressure transducers can significantly underestimate blast wave intensity, especially with side-on setups. Use pressure measurements from small charge experiments with caution.

More Related Videos

Measurements of Waves in a Wind-wave Tank Under Steady and Time-varying Wind Forcing
08:54

Measurements of Waves in a Wind-wave Tank Under Steady and Time-varying Wind Forcing

Published on: February 13, 2018

Evaluating Primary Blast Effects In Vitro
10:51

Evaluating Primary Blast Effects In Vitro

Published on: September 18, 2017

Related Experiment Videos

Last Updated: Jul 8, 2026

Blast Quantification Using Hopkinson Pressure Bars
09:41

Blast Quantification Using Hopkinson Pressure Bars

Published on: July 5, 2016

Measurements of Waves in a Wind-wave Tank Under Steady and Time-varying Wind Forcing
08:54

Measurements of Waves in a Wind-wave Tank Under Steady and Time-varying Wind Forcing

Published on: February 13, 2018

Evaluating Primary Blast Effects In Vitro
10:51

Evaluating Primary Blast Effects In Vitro

Published on: September 18, 2017

Area of Science:

  • Fluid Dynamics
  • Shock Wave Phenomena
  • Measurement Science

Background:

  • Blast wave flow fields from small explosive charges (milligram silver azide) present challenges for accurate pressure measurement.
  • The finite size and response time of pressure transducers can cause temporal and spatial averaging, distorting critical blast wave parameters.

Purpose of the Study:

  • To investigate the impact of transducer averaging effects on pressure measurements in blast wave flow fields.
  • To compare face-on and side-on pressure transducer setups and their susceptibility to averaging errors.
  • To validate numerical simulations of transducer averaging against experimental data.

Main Methods:

  • Simultaneous experimental measurements using face-on and side-on pressure transducers with time-resolved optical flow visualization.
  • Numerical modeling using an Euler flow solver to generate blast flow fields.
  • Development of a numerical pressure transducer model to simulate averaging effects.

Main Results:

  • Experimental and numerical data indicate significant underestimation of blast wave intensities due to pressure signal averaging.
  • The side-on pressure transducer setup is particularly vulnerable to averaging errors.
  • Face-on setups yield accurate results only when the transducer is sufficiently distant from the explosive charge.

Conclusions:

  • Pressure measurements in experiments involving small charges require careful interpretation due to transducer averaging effects.
  • Effective averaging can lead to a substantial underestimation of blast wave intensity, particularly with side-on configurations.
  • Optimizing transducer placement and considering averaging effects are crucial for reliable blast wave characterization.