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РЖ ВИНИТИ 34 (BI38) 96.04-04А3.8

Zhu, Liang.
A model for heat transfer from embedded blood vessels in two-dimensional tissue preparations [Text] / Liang Zhu, Sheldon Weinbaum // Trans. ASME. J. Biomech. Eng. - 1995. - Vol. 117, N 1. - P64-73 . - ISSN 0148-0731
Перевод заглавия: Модель теплопереноса от кровеносных сосудов, погруженных в двумерные тканевые препараты
Аннотация: Two-dimensional microvascular tissue preparations have been extensively used to study blood flow in the microcirculation, and, most recently, the mechanism of thermal equilibration between thermally significant countercurrent artery-vein pairs. In this paper, an approximate three-dimensional solution for the heat transfer from a periodic array of blood vessels in a tissue preparation of uniform thickness with surface convection is constructed using a newly derived fundamental solution for a Green's function for this flow geometry. This approximate solution is exact when the ratio K' of the blood to tissue conductivity is unity and a highly accurate approximation when K''!='1. This basic solution is applied to develop a model for the heat transfer from a countercurrent artery-vein pair in an exteriorized rat cremaster muscle preparation. The numerical results provide important new insight into the design of microvascular experiments in which the axial variation of the thermal equilibration in microvessels can be measured for the first time. The solutions also provide new insight into the disign of fluted fins and microchips that are convectively cooled by internal pores. США, Dep. of Mechanical Eng., City College of the City Univ. of New York, NY 10031. Ил. 8. Библ. 16

ГРНТИ	34.55.15

ВИНИТИ 341.55.15.21 + 341.53.41
Рубрики: МАТЕМАТИЧЕСКИЕ МОДЕЛИ
ТЕПЛОПЕРЕНОС
КРОВЕНОСНЫЕ СОСУДЫ
ДВУМЕРНЫЕ ТКАНЕВЫЕ ПРЕПАРАТЫ

Доп.точки доступа:
Weinbaum, Sheldon

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