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Simulation of blood flow by a hydrodynamic generator
Medical Progress Through Technology
|November 13, 1978
Summary
This study used a hydrodynamic generator to simulate physiological flows and investigate vascular stenosis effects. Pulsed-Doppler velocimetry analyzed flow patterns, aiding in understanding blood flow modifications.
Area of Science:
- Biomedical Engineering
- Fluid Dynamics
- Medical Physics
Background:
- Physiological flows are crucial for understanding vascular health.
- Vascular stenoses significantly alter normal blood flow patterns.
- Accurate simulation of physiological flows is essential for studying these alterations.
Purpose of the Study:
- To develop and utilize a hydrodynamic generator for simulating physiological flows.
- To investigate the impact of vascular stenosis models on flow patterns.
- To analyze velocity distributions within these modified flow patterns.
Main Methods:
- A volumetric gear pump controlled by an amplifying comparator generated adjustable physiological flow rates.
- A hydrodynamic generator supplied a test bench for stenosis models.
- Pulsed-Doppler ultrasonic velocimetry was employed to measure velocity distributions.
Main Results:
- The study successfully simulated physiological flows with adjustable parameters.
- Modifications in flow patterns induced by vascular stenosis models were observed.
- Detailed velocity distribution data was acquired using ultrasonic velocimetry.
Conclusions:
- The developed hydrodynamic generator is effective for studying flow alterations in vascular stenosis.
- Pulsed-Doppler velocimetry provides valuable insights into flow dynamics.
- This methodology aids in understanding the physiological impact of vascular stenoses.