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National Repository of Grey Literature 3 records found  Search took 0.01 seconds. 
Piping systems for district heating
 Malach, Tomáš ; Horák, Petr (referee) ; Hirš, Jiří (advisor)
In the first part of master thesis is presented general introduction to district heating system (DHS) and hydraulic calculation for DHS. The next part deals with analysis operation of DHS and the pressure diagram for certain time interval. Subsequently, the thermohydraulic characteristics for the hydraulic main branch (comparing manual calculation with software calculation) and also the selected thermal and hydraulic characteristics for the whole DHS are shown. The last part is focused on the determination of the amount of heat supplied based on the ultrasonic flowmeter and the temperature probes. Subsequently, the computer simulation is also carried out, aiming at approximating the real heat supply from heat source to solved thermal network in winter.
Detailed record
Comparison of Hydraulic Conditions in Primary Heating Networks
 Mudrá, Martina ; Takács, Ján
The paper deals with the comparison of hydraulic conditions in the primary heating network of a selected section of the district heating system. The calculated state was compared with the actual state before the renovation of buildings and the calculated state with the expected state after the renovation of buildings connected to the district heating system. The aim of the paper is to point out the disproportions that exist in the real heating networks of district heating systems through pressure diagrams, as the hydraulics of the outer part of the heating system are not given sufficient attention. By reconstructing the original primary heat distribution and replacing the circulation pump on a selected section, hydraulic stability of the system and savings in operating costs can be achieved.
Detailed record
Piping systems for district heating
 Malach, Tomáš ; Horák, Petr (referee) ; Hirš, Jiří (advisor)
In the first part of master thesis is presented general introduction to district heating system (DHS) and hydraulic calculation for DHS. The next part deals with analysis operation of DHS and the pressure diagram for certain time interval. Subsequently, the thermohydraulic characteristics for the hydraulic main branch (comparing manual calculation with software calculation) and also the selected thermal and hydraulic characteristics for the whole DHS are shown. The last part is focused on the determination of the amount of heat supplied based on the ultrasonic flowmeter and the temperature probes. Subsequently, the computer simulation is also carried out, aiming at approximating the real heat supply from heat source to solved thermal network in winter.
Detailed record

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