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National Repository of Grey Literature 3 records found  Search took 0.00 seconds. 
Pressure drop in the flow of the liquid in the tube with very high roughness
 Habr, Martin ; Rudolf, Pavel (referee) ; Habán, Vladimír (advisor)
The thesis deals with sources of the head loss in pipe and options of its calculation. Factors influencing the head loss and possibilities of decreasing pressure drop in pipe are also discussed in the thesis. The result of thesis contains comparison of calculation methods of head loss with calculation using Darcy-Weisbach equation.
Detailed record
Tramway Shallow Crossing Preventive Maintenance by Surface Welding
 Křečková, Magdalena
The article deals with the issue of preventive welding and maintenance of tramway shallow crossing. The article presents the main influences the development of head loss and deformation of shallow crossing which are characterized by gradual loss of material and change in the geometry of grooves. The article presents a case study of a long-term monitored tramway shallow crossing in the locality od Prague - Vyton which demonstrates typical development of condition of grooves of tramway shallow in time to its preventive maintenance by welding and next development after maintenance and its comparison with the original geometry of new tramway shallow. The article presents also preventive maintenance by surface welding and reprofiling grooves during this preventive maintenance.
Detailed record
Pressure drop in the flow of the liquid in the tube with very high roughness
 Habr, Martin ; Rudolf, Pavel (referee) ; Habán, Vladimír (advisor)
The thesis deals with sources of the head loss in pipe and options of its calculation. Factors influencing the head loss and possibilities of decreasing pressure drop in pipe are also discussed in the thesis. The result of thesis contains comparison of calculation methods of head loss with calculation using Darcy-Weisbach equation.
Detailed record

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