1. Marko Janković, EPCG, Montenegro
2. Uroš Karadžić, Mašinski fakultet u Crnoj Gori, Montenegro
3. Filip Strunjaš, KONE, Montenegro
In this paper influence of the initial conditions (pressure and velocity) on water hammer in simple reservoir-pipeline-valve hydraulic system is investigated. Water hammer is induced by fast closing of the electro-pneumatic valve at the end of the system. Experimental results are obtained on the small scale experimental setup designed and developed in the Laboratory for Energetic Processes at the University of Montenegro for investigating water hammer and its side effects. The experimental setup has been tested for a number of steady and transient flow conditions. Numericaly, water hammer is desribed by discrete gas cavity model (DGCM) which take into consideration occurence of the transient cavitation and column separation. For pipeline friction losses convolution-based unsteady friction model (CBM) is used. The DGCM and the CBM unsteady friction model are explicitly incorporated into the staggered grid of the method of characteristics. Numerical results are compared and verified with results of measurement.
Ključne reči :
Tematska oblast:
Energetics and Thermal Engineering
Datum:
08.03.2017.
13th International Conference on Accomplishments in Mechanical and Industrial Engineering
Datoteka uz rad
(9.02 MB)
