National Repository of Grey Literature 21 records found  beginprevious12 - 21  jump to record: Search took 0.01 seconds. 
Influence of grasslands and selected zoocenoses on loss of nutrients from watershied
Klimeš, F. ; Kolář, L. ; Kobes, M. ; Pechar, Libor ; Kadlec, J. ; Voženílková, B.
On the basis of experimental and systemic studies the questions of influence of grsslands and selacted zoocenoses on loss of nutrients from watershed were studied. Special attention was focused to suitable managemant of grasslands in accumulation and transport zones of landscape relief and possibilities of prevention risks in relation to hydrosphere.
Artical Reynolds numbers for pulsatile flow in the circular tube
Klimeš, František ; Kořenář, Josef
The problems of the stability of a laminar pulsating flow have their importance in cardiovascular fluid dynamics. The decelerated flow of blood after a contraction of the left ventricle (in systole) can be laminary even at a considerable high Reynolds' numbers. We presented a description of our experimental equipment and obtained results together with results published by several invesigators. Results indicated that the critical Reynolds number depends markedly on frequency similarity parameter and velocity or volume flow ratio.
Hydrodynamc research of the steady and pulsatory flow through the artificial heart valves
Klimeš, František ; Kořenář, Josef ; Toman, Jiří
Laser-Doppler anemometry (LDA) was used for velocity measurements downstream of various types of artificial heart valve prostheses. The velocity signals were subjected to analog signal processing prior to digital turbulence analysis. Obtained turbulent characteristics like Reynolds stersses and spectral density of energy are interesting from the point of blood hemolysis as well as for artificial valves design improvements.

National Repository of Grey Literature : 21 records found   beginprevious12 - 21  jump to record:
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4 Klimeš, Filip
9 Klimeš, František
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