National Repository of Grey Literature 2 records found  Search took 0.01 seconds. 
Modulation of waterjet by ultrasonic: Measurement of dynamic pressure and force effects
Foldyna, Josef ; Sitek, Libor ; Jekl, Pavel ; Nováková, Daria
Series of measurement of a dynamic pressure inside the ultrasonic nozzle under its various configurations were performed within the framework of research focused on modulation of waterjet by ultrasonic. Results of measurement are compared and discussed in the paper.
Non-destructive methods of failure analysis of rock material in laboratory conditions
Kožušníková, Alena ; Konečný, Pavel ; Chmelová, J.
Presence of interconnected discontinuities such as cracks, fractures and joints significantly affects both elastic and transport properties of rock masses. Non-destructive methods of failure analysis of rock material are described in this paper.

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