Precision Dual-Syringe Pulseless Perfusion Pump
Delivers pulseless volumetric flow rates from 0.1 to 20 mL/min with stepper-motor accuracy.
Biomedical Engineering / Microvascular Hydraulic Resistance
FREE TO EXPLORELABORATORY 28 · BIOMEDICAL ENGINEERING
Microvascular Perfusion Hydraulic Resistance & Hagen-Poiseuille Flow Verification
Determine the hydraulic flow resistance R_hyd of a precision microvascular capillary network perfusion model and verify Hagen-Poiseuille laminar resistance scaling. Explore interactive physiological instrumentation simulation, biomechanics, and biomedical engineering telemetry.
BIOINSTRUMENTATION · BIOSIGNALS · BIOMECHANICS · IMAGING
Your virtual biomedical engineering laboratory.
PERFUSION PRESSURE DROP ΔP—
PHYSIOLOGICAL & TEST CELL TELEMETRY
Ready to sample with Flow Rate Q = 6.0 mL/min.
Adjust Flow Rate 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
Hagen-Poiseuille law assumes a rigid, circular, straight tube; physiological blood vessels are compliant, branching, and tapered. Evaluated on a biomimetic PDMS microvascular capillary perfusion cartridge (lumen diameter 120 μm, length 40 mm, 8 parallel microchannels) perfused with physiological saline (viscosity μ = 0.0010 Pa·s) at 37.0 °C. Perfusion flow rates from 2.0 to 12.0 mL/min yield Reynolds numbers Re < 50 (strictly laminar). Hydraulic resistance R_hyd = 3.6000 kPa/(mL/min).
Biomedical apparatus & physiological sensors.
Biomimetic Microvascular Perfusion Cartridge
Provides microfabricated parallel cylindrical conduits with optically transparent viewing windows.
Differential Wet-Wet Piezoresistive Pressure Transducer
Measures trans-vascular pressure drop ΔP from 0 to 50 kPa with 0.05% accuracy.
Thermostatically Controlled Perfusion Warming Circuit (37.0 °C)
Maintains perfusate fluid temperature stable within ±0.1 °C to fix fluid viscosity.
In-Line Degasser & Hydrophobic Bubble Trap
Eliminates microscopic air bubbles that would lodge in microchannels and alter hydraulic resistance.
Precision Analytical Catch Balance
Validates actual volumetric delivery rate by timed gravimetric fluid collection.
FOLLOW THE METHOD
A reason behind every step.
Determine the hydraulic flow resistance R_hyd of a precision microvascular capillary network perfusion model and verify Hagen-Poiseuille laminar resistance scaling. Standardized parameter settings: 2.0, 4.0, 6.0, 8.0, 10.0, 12.0 mL/min.
01
Perfusion Circuit Degassing and Priming
Prime the microvascular flow loop with degassed physiological saline at 37.0 °C, ensuring zero air bubbles remain in the tubing or differential pressure ports.
02
Differential Pressure Transducer Zeroing
With the perfusion pump halted, open the bypass valve to equalize pressure ports and zero the differential pressure transducer to exactly 0.000 kPa.
03
Perfusion Pump Initialization
Set the dual-syringe infusion pump to deliver 2.0 mL/min and close the bypass valve, allowing 2 minutes for pressure to achieve steady state.
04
Pressure Drop Telemetry Logging
Record 100 consecutive differential pressure readings over 30 seconds and calculate mean pressure drop ΔP in kilopascals.
05
Flow Rate Progression Sequence
Increment pump delivery rate through 4.0, 6.0, 8.0, 10.0, and 12.0 mL/min, logging stabilized pressure drop at each flow rate.
06
Hydraulic Resistance Regression Analysis
Plot trans-vascular pressure drop ΔP versus flow rate Q and determine hydraulic resistance R_hyd from the slope of the linear fit through the origin.
YOUR NOTEBOOK · 0 OBSERVATIONS
Turn measurements into biomedical engineering insight.
Points are your recorded observations. The solid regression line validates Microvascular Hydraulic Resistance mathematical scaling.
LINEAR REGRESSION FIT · y = mx + b
ΔP = R_hyd · Q = 3.6000 · Q
| # | Perfusion Volumetric Flow Rate Q (mL/min) | Perfusion Pressure Drop ΔP (kPa) | Perfusion flow rate Q (mL/min) | Perfusion pressure drop ΔP (kPa) | Remove |
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