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National Repository of Grey Literature 3 records found  Search took 0.00 seconds. 
FEM analysis of carriage for top drive system of drilling rig and its modification
 Plachý, Jiří ; Čížek, Petr (referee) ; Klapka, Milan (advisor)
This diploma thesis deals with FEM analysis and optimization of carriage for top drive system of drilling rig Bentec 350 AC and it is defined as a development contract for company MND Drilling & Services a.s. Intensive drilling leads to damages and repeated occurrence of fatigue cracks on carriage especially along edges of welded ribs in their heat-affected zone. The aim of this thesis is to draft construction improvements of carriage which leads to elimination of damages. Realization of this modifications depends on correct definition of boundary conditions, analysis of damage occurrence as well as verification of carriage drafts with finite element method.
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FEM analysis of carriage for top drive system of drilling rig and its modification
 Plachý, Jiří ; Čížek, Petr (referee) ; Klapka, Milan (advisor)
This diploma thesis deals with FEM analysis and optimization of carriage for top drive system of drilling rig Bentec 350 AC and it is defined as a development contract for company MND Drilling & Services a.s. Intensive drilling leads to damages and repeated occurrence of fatigue cracks on carriage especially along edges of welded ribs in their heat-affected zone. The aim of this thesis is to draft construction improvements of carriage which leads to elimination of damages. Realization of this modifications depends on correct definition of boundary conditions, analysis of damage occurrence as well as verification of carriage drafts with finite element method.
Detailed record
The New Economic Potential of the Arctic
 Denis, Tadeáš ; Kašpar, Václav (advisor) ; Machytka, Daniel (referee)
The aim of this Bachelor's thesis is to focus on the economic development of the Arctic region. It analyzes the natural conditions of the Arctic, the reasons and the consequences of the climate changes and their impact on potential economic development. It also describes the regional organization Arctic Council. In the next part the particular sections are presented: the production of oil and natural gas, arctic mining, shipping, fishing and tourism. In the last chapter results of an interview with a British geologist working at Danish climate center are brought up.
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