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PubMed · 11010332

Education in biomedical engineering: experience from a European ERASMUS program.

Abstract

Based on recent advances in biomedical research and the developments of new equipment and techniques, the field of Biomedical Engineering and Health Care Telematics are currently undergoing a rapid evolution characterized by an increasing degree of specialization. This, in turns, imposes new requirements in advanced education, while the changing scene at European level, introduces a major challenge for harmonization and standardization of education with a focus on meeting the emerging needs. At the same time information technologies provide new means and tools supporting the educational and training activities. An initiative for the development of a multinational advanced course in Biomedical Engineering, is implemented in the University of Patras with extended collaboration of European Universities, providing a unique case for achievement of excellency. In order to take full advantage of this potential, a Quality Assurance system has been designed and implemented over the past four years, aiming to provide the appropriate framework for mutual recognition amongst the participating institutions. Additionally, the implementation of new telematic tools is scheduled for the near future, in order to provide the Course with teleconference facilities and allow a much larger number of students to remotely attend the lectures.

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BibTeXRIS

N Pallikarakis, Z Kolitsi. 2000. Education in biomedical engineering: experience from a European ERASMUS program.. https://pubmed.ncbi.nlm.nih.gov/11010332/

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Optimal design of non-Newtonian, micro-scale viscous pumps for biomedical devices.

The present paper addresses the numerical optimization of geometrical parameters of non-Newtonian micro-scale viscous pumps for biomedical devices. The objective is to maximize the mass flow rate per unit of shaft power consumed by the rotor when an external pressure load is applied along the channel that houses the rotor. Two geometric parameters are considered in the optimization process: (i) the height of the channel that houses the rotor (H) and (ii), the eccentricity (epsilon) of the rotor. Three different micro-scale viscous pump configurations were tested: a straight-housed pump (I-shaped housing) and two curved housed pumps (L- and U-shaped housings). The stress-strain constitutive law is modeled by a power-law relation. The results show that the geometric optimization of micro-scale viscous pumps is critical since the mass flow rate propelled by the rotor is highly dependent on epsilon and H. Numerical simulations indicate that mass flow rate is maximized when epsilon approximately 0, namely when the rotor is placed at a distance of 0.05 radii from the lower wall. The results also show that micro-scale viscous pumps with curved housing provide higher mass flow rate per unit of shaft power consumed when compared with straight-housed pumps. The results are presented in terms optimized dimensions of all three configurations (i.e., H(opt) and epsilon(opt)) and for values of the power-law index varying between 0.5 (shear thinning fluids) and 1.5 (shear-thickening fluids).

Biomedical Engineering↗