INVESTIGATION OF UNSTEADY FLOW IN AXIAL TURBINE STAGE

Investigation of unsteady flow in axial turbine stage

The never ending process to increase the efficiency of turbine stages introduced an idea to create an axial turbine stage test rig as part of closed loop transonic wind tunnel at Vyzkumny a zkusebni letecky ustav (VZLU).Studying of unsteady flow field behaviours in turbine stages is nowadays essential in the development process.Therefore, the test

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The pottery from the site of Wakarida

Excavations carried out between tonic shower cap 2012 and 2013 atWakarida in northeastern Tigray uncovered a huge quantity ofpottery distributed across the different levels identified at thesite.The different pottery assemblages collected from the siteare presented in this contribution, proposing a periodizationof the occupation merlin wizard costu

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