Group of companies SIGMA

CENTRUM HYDRAULICKÉHO VÝZKUMU spol. s r.o.

In the year 2010, SIGMA GROUP a.s. instigated the establishment of CENTRUM HYDRAULICKÉHO VÝZKUMU spol. s r.o. (Hydraulics Research Centre, Ltd.)  which have been granted research organization status, according to EU legal regulations. This organization’s task is to ensure effective participation of scientific and academic institutions, university students and industrial hydraulic specialists in the basic research and development of fluid mechanics, hydrostatic and hydrodynamic machines and pumping engineering. The company will disseminate the results of its research findings through publication, professional development courses and training courses. 

Scope of activities:

  • research and development in the field of natural and technical sciences
  • research, development and experimental activities in the field of fluid and gas hydraulics and dynamics
  • research, development and experimental activities in the field of hydrostatic and hydrodynamic machines and related technologies
  • mathematical optimisation of hydraulic forms of hydrodynamic machine parts and hydraulic systems
  • obtaining and providing scientific and technical information
  • training and education activities in the field of hydraulics
  • testing, measurements, analyses and tests

Cooperation with significant scientific and research centres

CENTRUM HYDRAULICKÉHO VÝZKUMU spol. s r.o. cooperates in the field of basic and applied research with many significant national and international institutions such as IT AS CR in Prague, TU Brno, TU Praha, TU Liberec, TU Ostrava, University of Olomouc, CERIT, IAPWS, SUT Bratislava, University of Jyväskylä in Finland. 

Research of cavitation in hydrodynamic machines and cavitation tunnel

In its hydraulic laboratory, the CENTRUM HYDRAULICKÉHO VÝZKUMU spol. s r.o. operates the biggest cavitation tunnel in the Czech Republic being used for research of dynamic and erosion effects of cavitation. The measurement section enables the use of different types of hydrodynamic profile shapes and has the inner dimensions 150 x 150 x 500 mm, and the maximum speed at the measurement section inlet is 25 m/s. 

 

 

Besides the experimental research in the tunnel, the hydraulic laboratory performs the visualization and measurements of the cavitation phenomena inside real hydrodynamic machines and components.

CENTRUM HYDRAULICKÉHO VÝZKUMU spol. s r.o. has a long-term experience of numerical modelling of cavitation and besides the standard CFD tools it uses its in-house software which is able to predict the dynamics of cavitation bubbles and structures, including the erosive potential of cavitation collapses.  

Contact:

CENTRUM HYDRAULICKÉHO VÝZKUMU spol. s r.o.
Jana Sigmunda 313, 783 49 Lutín, Czech Republic
phone: +420 585 652 402
fax: +420 585 652 400
e-mail: chv@sigma.cz

 

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SIGMA GROUP a.s.
Jana Sigmunda 79
783 49 Lutín
Czech Republic

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