National Repository of Grey Literature 2 records found  Search took 0.01 seconds. 
Neinvazivní potické měření deformací elastických trubic
Macková, H. ; Chlup, Hynek ; Žitný, R.
Noninvasive optical measurement and evaluation of the pulse wave velocity of a self-oscillating elastic tube was done. A latex tube was loaded by self-excited internal pulsatile flow as a simple model of human big arteries. The method is based on evaluation of high speed camera recordings and edges detection algorithm. Displacements of the tube edge were evaluated by a given scale factor from a standard gauge inserted to the recorded scene. Our goal is to recognize the pulse wave and measure its velocity along the tube.
Numerické modelování ustáleného a pulzačního proudění v elastické trubici
Macková, H. ; Chlup, Hynek ; Žitný, R.
Numerical model of an elastic tube loaded by pulsatile flow for valiadation of experimentally determined constitutive laws of arterial walls. Hyperbolic system of PDE is solved using finite volu method and calculated pulse wave velocity is compared with experimental results for a latex tube.

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