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Related Concept Videos

Pipe Flowrate Measurement01:28

Pipe Flowrate Measurement

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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.
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Steady, Laminar Flow in Circular Tubes01:23

Steady, Laminar Flow in Circular Tubes

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Hagen-Poiseuille flow describes a viscous fluid's steady, incompressible flow through a cylindrical tube with a constant radius R. This flow profile is often applied to understand fluid transport in narrow channels, such as capillaries. It serves as a foundational example of laminar flow. In this model, cylindrical coordinates (r,θ,z) are used to describe the radial (r), angular (θ), and axial (z) dimensions within the tube. For Hagen-Poiseuille flow, the velocity profile is...
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Measurement of Fluid Pressure01:16

Measurement of Fluid Pressure

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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.
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Pipe Flowrate Measurement: Problem Solving01:28

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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...
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Couette Flow01:22

Couette Flow

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Couette flow represents the flow of fluid between two parallel plates, with one plate fixed and the other moving with a constant velocity. This configuration allows for a simplified analysis using the Navier-Stokes equations, which govern fluid motion under conditions of viscosity and incompressibility. For Couette flow, the assumptions include a steady, laminar, incompressible flow with a zero-pressure gradient in the flow direction. This flow type is beneficial for understanding shear-driven...
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Steady, Laminar Flow Between Parallel Plates01:17

Steady, Laminar Flow Between Parallel Plates

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Understanding steady, laminar flow between parallel plates is essential for analyzing and designing flow in narrow rectangular channels, commonly found in various water conveyance and drainage systems. The Navier-Stokes equations govern fluid motion and are generally challenging to solve due to their nonlinearity. However, simplifications are possible in certain cases, like the steady laminar flow between parallel plates. For this scenario, we assume steady, incompressible, laminar flow.
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Modeling, Fabrication, and Testing of a 3D-Printed Coriolis Mass Flow Sensor.

Mahdieh Yariesbouei1, Remco G P Sanders1, Remco J Wiegerink1

  • 1Integrated Devices and Systems, University of Twente, 7500 AE Enschede, The Netherlands.

Sensors (Basel, Switzerland)
|April 28, 2023
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Summary
This summary is machine-generated.

This study details a novel 3D-printed Coriolis mass flow sensor. The developed micro-sensor demonstrates effective flow measurement for liquids and gases with minimal pressure drop.

Keywords:
3D-printed tubeCoriolis mass flow sensorcircular cross-section

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Area of Science:

  • Microfluidics
  • Sensor Technology
  • Additive Manufacturing

Background:

  • Coriolis mass flow sensors are crucial for precise fluid measurement.
  • Traditional fabrication methods can be complex and costly for micro-scale devices.
  • 3D printing offers a promising avenue for rapid prototyping and customization of micro-sensors.

Purpose of the Study:

  • To model, fabricate, and test a 3D-printed Coriolis mass flow sensor.
  • To evaluate the performance of the micro-sensor for various fluids.
  • To assess the pressure drop characteristics of the sensor.

Main Methods:

  • Utilized LCD 3D-printing for fabricating a free-standing tube (42 mm length, 900 µm inner diameter).
  • Applied copper plating for low electrical resistance (0.5 Ω) and actuated the tube using AC current and a magnetic field.
  • Detected tube displacement with a laser Doppler vibrometer (LDV) integrated into a Polytec MSA-600 microsystem analyzer.

Main Results:

  • Tested flow ranges: 0-150 g/h (water), 0-38 g/h (IPA), 0-50 g/h (nitrogen).
  • Achieved < 30 mbar pressure drop for water and IPA at maximum flow rates.
  • Observed a 250 mbar pressure drop for nitrogen at its maximum flow rate.

Conclusions:

  • Successfully demonstrated a functional 3D-printed Coriolis mass flow sensor.
  • The micro-sensor is suitable for measuring flow rates of liquids and gases.
  • The low pressure drop for liquids indicates efficient sensor design for microfluidic applications.