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PubMed · 10834210

Using a multidisciplinary team approach in biomedical engineering senior design.

J D Enderle·W Pruehsner·J Macione·B Hallowell
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Abstract

Under Criterion 4, the Professional Component of the Accreditation Board for Engineering and Technology (ABET) Engineering Criteria 2000, a curriculum culminating in a major design experience is required. In addition, under Criterion 3, program graduates must demonstrate an ability to function on multidisciplinary teams. This paper describes some team related issues in senior design at University of Connecticut (UConn) with National Science Foundation (NSF) Senior Design Projects to Aid Persons with Disabilities and industry-sponsored projects. While these Criteria can both be satisfied in a senior design course sequence, it is not the most desirable method to achieve satisfactory results. Effective teamwork involves skills that may be learned in classes and training sessions. It is best achieved through team experiences in a series of courses, ideally beginning the freshman year.

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Biomedical EngineeringCurriculumTeachingJournal ArticleResearch Support, U.S. Gov't, Non-P.H.S.

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J D Enderle, W Pruehsner, J Macione, B Hallowell. 2000. Using a multidisciplinary team approach in biomedical engineering senior design.. https://pubmed.ncbi.nlm.nih.gov/10834210/

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PubMed2007

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↗