Cannulated Electromagnetic Flow Probe (6 mm lumen)
Provides transverse electromagnet pole pieces and diametrically opposed platinum electrodes.
Biomedical Engineering / Electromagnetic Blood Flowmeter
FREE TO EXPLORELABORATORY 08 · BIOMEDICAL ENGINEERING
Electromagnetic Blood Flowmeter Probe Calibration & Faraday Induction
Determine the induced transverse bio-potential across cannulated physiological saline flow under an applied transverse magnetic field and verify Faraday's law of induction. Explore interactive physiological instrumentation simulation, biomechanics, and biomedical engineering telemetry.
BIOINSTRUMENTATION · BIOSIGNALS · BIOMECHANICS · IMAGING
Your virtual biomedical engineering laboratory.
INDUCED TRANSVERSE POTENTIAL V_I—
PHYSIOLOGICAL & TEST CELL TELEMETRY
Ready to sample with Flow Q = 150 mL/min.
Adjust Flow Q, then execute biomedical trial.
Biomedical engineering telemetry and physiological states are evaluated rigorously using 64-bit IEEE 754 precision. Residuals reflect ordinary least-squares regression across successive observations. Continuous data structures support high-fidelity biological and physiological modeling.
Biomedical assumptions and boundary condition limits
The linear induction model applies across non-turbulent and turbulent regimes up to 300 mL/min for the 6 mm probe. Evaluated using a 6.0 mm internal diameter cannulated flow probe with a 250 Hz square-wave AC magnetic excitation field (B = 0.050 Tesla). Perfusion fluid is physiological saline (0.9% NaCl, electrical conductivity 1.6 S/m) pumped from 50 to 300 mL/min.
Biomedical apparatus & physiological sensors.
Square-Wave AC Magnet Excitation Driver
Supplies regulated 250 Hz alternating current to electromagnet coils to eliminate DC polarization.
Precision Peristaltic Physiological Perfusion Pump
Delivers calibrated, non-pulsatile volumetric saline flow rates from 50 to 300 mL/min.
Synchronous Gated Demodulator & Preamplifier
Samples induced electrode potential during steady-state magnetic field plateaus.
Precision Analytical Balance & Gravimetric Catch Reservoir
Verifies true volumetric flow rate by timed gravimetric mass collection (±0.1 mL/min).
Differential Bio-Potential Voltage Telemetry Console
Digitizes microvolt-level induced signals with 24-bit resolution and low-pass filtering.
FOLLOW THE METHOD
A reason behind every step.
Determine the induced transverse bio-potential across cannulated physiological saline flow under an applied transverse magnetic field and verify Faraday's law of induction. Standardized parameter settings: 50, 100, 150, 200, 250, 300 mL/min.
01
Fluid Circuit Priming and Zero Flow Balancing
Fill the flow loop with 0.9% physiological saline at 37.0 °C, purge all air bubbles from the probe lumen, stop pump, and adjust zero offset to 0.00 μV.
02
Electromagnet AC Drive Stabilization
Energize probe electromagnet with 250 Hz square-wave excitation; verify magnetic flux density B = 0.050 T at center bore.
03
Initial Flow Rate Standardization
Set perfusion pump to deliver steady 50 mL/min volumetric flow rate, verified via timed gravimetric collection on electronic balance.
04
Induced Potential Sampling
Sample the synchronously gated microvolt potential V_i across platinum pickup electrodes over a 30-second integration window.
05
Flow Progression Sequence
Increment pump delivery to 100, 150, 200, 250, and 300 mL/min, recording stabilized induced voltage V_i at each flow step.
06
Induction Constant Regression Analysis
Plot induced voltage V_i against volumetric flow rate Q, computing the induction constant k_q via linear regression through the origin.
YOUR NOTEBOOK · 0 OBSERVATIONS
Turn measurements into biomedical engineering insight.
Points are your recorded observations. The solid regression line validates Electromagnetic Blood Flowmeter mathematical scaling.
LINEAR REGRESSION FIT · y = mx + b
V_i = k_q · Q = 0.3600 · Q
| # | Volumetric Flow Rate Q (mL/min) | Induced Transverse Potential V_i (μV) | Volumetric flow rate Q (mL/min) | Induced potential V_i (μV) | Remove |
|---|
No readings yet. Execute a biomedical trial and record it.
Calculate it yourself.
CHECK YOUR UNDERSTANDING