Search results

  1. 1.
    0531619 - ÚH 2021 RIV GB eng J - Journal Article
    Vašatová, Petra - Filipenská, Monika - Petříček, Radim - Pivokonský, Martin
    On the importance of mixing characterization and application in the water treatment process.
    Journal of Water Supply Research and Technology. AQUA. Roč. 69, č. 6 (2020), s. 639-646. ISSN 0003-7214. E-ISSN 1365-2087
    R&D Projects: GA ČR(CZ) GA18-05007S
    Institutional support: RVO:67985874
    Keywords : aggregation * flocculation * floc properties * separation * shear rate * velocity gradient
    OECD category: Environmental sciences (social aspects to be 5.7)
    Impact factor: 1.644, year: 2020
    Method of publishing: Limited access
    https://iwaponline.com/aqua/article-abstract/doi/10.2166/aqua.2020.033/76281/On-the-importance-of-mixing-characterization-and
    Permanent Link: http://hdl.handle.net/11104/0311155
     
     
  2. 2.
    0519047 - ÚH 2021 RIV SG eng C - Conference Paper (international conference)
    Kolář, Václav - Šístek, Jakub
    On the local axisymmetry of a vortex.
    Proceedings of 16th Asian Congress of Fluid Mechanics. Singapore: Springer Singapore, 2021 - (Venkatakrishnan, L.; Majumdar, S.; Subramanian, G.; Bhat, G.; Dasgupta, R.; Arakeri, J.), s. 175-183. Lecture Notes in Mechanical Engineering. ISBN 978-981-15-5182-6. ISSN 2195-4356.
    [Asian Congress of Fluid Mechanics /16./. Bengaluru (IN), 13.12.2019-17.12.2019]
    R&D Projects: GA ČR(CZ) GA18-09628S
    Institutional support: RVO:67985874 ; RVO:67985840
    Keywords : vortex * axisymmetry * velocity-gradient tensor * complex eigenvectors * dual-eigenvectors
    OECD category: Fluids and plasma physics (including surface physics); Applied mathematics (MU-W)
    https://www.springer.com/gp/book/9789811551826
    Permanent Link: http://hdl.handle.net/11104/0304050
     
     
  3. 3.
    0505896 - ÚH 2020 RIV CH eng J - Journal Article
    Guo, Z. - Li, Y. - Skalák, Zdeněk
    Regularity criteria of the incompressible Navier-Stokes equations via only one entry of velocity gradient.
    Journal of Mathematical Fluid Mechanics. Roč. 21, č. 3 (2019), č. článku 35. ISSN 1422-6928. E-ISSN 1422-6952
    R&D Projects: GA ČR(CZ) GA18-09628S
    Institutional support: RVO:67985874
    Keywords : Navier-Stokes equations * regularity criteria * one entry of velocity gradient
    OECD category: Fluids and plasma physics (including surface physics)
    Impact factor: 0.970, year: 2019
    Method of publishing: Limited access
    https://link.springer.com/article/10.1007%2Fs00021-019-0441-6
    Permanent Link: http://hdl.handle.net/11104/0297521
     
     
  4. 4.
    0501006 - ÚH 2020 RIV DE eng J - Journal Article
    Šulc, R. - Ditl, P. - Jašíková, D. - Kotek, M. - Kopecký, V. - Kysela, Bohuš
    Effect of Particle Image Velocimetry setting parameters on local velocity measurements in an agitated vessel.
    Chemical Engineering & Technology. Roč. 42, č. 4 (2019), s. 827-834. ISSN 0930-7516. E-ISSN 1521-4125
    R&D Projects: GA ČR GA16-20175S
    Grant - others: GA MŠk(CZ) LO1201
    Institutional support: RVO:67985874
    Keywords : mixing * Rushton turbine * Particle Image Velocimetry * fluctuation velocity * fluctuation velocity gradient
    OECD category: Fluids and plasma physics (including surface physics)
    Impact factor: 1.543, year: 2019
    Method of publishing: Open access
    Permanent Link: http://hdl.handle.net/11104/0295656
    FileDownloadSizeCommentaryVersionAccess
    Šulc, Effect of Particle Image Velocimetry Setting..., 2019.pdf2597.4 KBPublisher’s postprintopen-access
     
     
  5. 5.
    0498874 - ÚH 2019 RIV CZ cze V - Research Report
    Pivokonský, Martin - Vašatová, Petra - Pivokonská, Lenka - Petříček, Radim - Filipenská, Monika
    Vliv podmínek flokulace (intenzita míchání a doba zdržení) na tvar a strukturu tvořených agregátů a účinnost jejich separace sedimentací a filtrací.
    [The influence of flocculation conditions (global shear rate and time) on the shape and structure of formed aggregates and the efficiency of their separation by sedimentation and filtration.]
    Praha: Vodohospodářská společnost Vrchlice - Maleč, a.s., 2018. 20 s.
    R&D Projects: GA TA ČR(CZ) TJ01000169
    Institutional support: RVO:67985874
    Keywords : water treatment * coagulation * flocculation * aggregation * mixing * velocity gradient * filtration * sedimentation
    OECD category: Environmental sciences (social aspects to be 5.7)
    Permanent Link: http://hdl.handle.net/11104/0291942
     
     
  6. 6.
    0492234 - ÚH 2019 RIV cze P1 - User Module
    Pivokonská, Lenka - Petříček, Radim - Pivokonský, Martin
    Poloprovozní flokulační jednotka.
    [A pilot-plant flocculation unit.]
    2018. Owner: Ústav pro hydrodynamiku AV ČR, v. v. i. Date of the utility model acceptance: 14.08.2018. Utility model number: 31967
    R&D Projects: GA TA ČR(CZ) TJ01000169
    Institutional support: RVO:67985874
    Keywords : water treatment * coagulation * flocculation * aggregation * velocity gradient
    OECD category: Environmental sciences (social aspects to be 5.7)
    https://isdv.upv.cz/doc/FullFiles/UtilityModels/FullDocuments/FDUM0031/uv031967.pdf
    Permanent Link: http://hdl.handle.net/11104/0285787
     
     
  7. 7.
    0376735 - ÚH 2013 RIV GB eng J - Journal Article
    Bubáková, Petra - Pivokonský, Martin
    The influence of velocity gradient on properties and filterability of suspension formed during water treatment.
    Separation and Purification Technology. Roč. 92, May (2012), s. 161-167. ISSN 1383-5866. E-ISSN 1873-3794.
    [European Conference on Fluid-Particle Separation (FPS 2010). Lyon, 05.10.2010-07.10.2010]
    R&D Projects: GA ČR GAP105/11/0247
    Institutional research plan: CEZ:AV0Z20600510
    Keywords : aggregation * fractal dimension * filtration * particle size distribution * velocity gradient
    Subject RIV: BK - Fluid Dynamics
    Impact factor: 2.894, year: 2012
    Permanent Link: http://hdl.handle.net/11104/0209063
    FileDownloadSizeCommentaryVersionAccess
    Bubáková_Pivokonský_The influence of velocity gradient_2012.pdf7875.1 KBAuthor´s preprintrequire
     
     
  8. 8.
    0360313 - ÚH 2012 RIV SK eng J - Journal Article
    Polášek, Pavel
    Influence of velocity gradient on optimisation of the aggregation process and physical properties of formed aggregates. Part 1. Inline high density suspension (IHDS) aggregation process.
    Journal of Hydrology and Hydromechanics. Roč. 59, č. 2 (2011), s. 107-117. ISSN 0042-790X. E-ISSN 1338-4333
    R&D Projects: GA ČR GA103/07/1016
    Institutional research plan: CEZ:AV0Z20600510
    Keywords : flocculation optimum * inline high density suspension (IHDS) formation process * properties of aggregates * intensity of agitation * velocity gradient G
    Subject RIV: BK - Fluid Dynamics
    Impact factor: 0.340, year: 2011
    Permanent Link: http://hdl.handle.net/11104/0006481
    FileDownloadSizeCommentaryVersionAccess
    Polasek, Influence of velocity.pdf0597.2 KBPublisher’s postprintopen-access
     
     
  9. 9.
    0325910 - ÚH 2009 RIV CZ cze J - Journal Article
    Pivokonský, Martin - Polášek, Pavel - Knesl, Bohuslav
    Proces vysokorychlostního čiření - moderní technologie úpravy vody.
    [High rate clarification – modern technology of water treatment.]
    Chemagazín. Roč. 18, č. 2 (2009), s. 8-10. ISSN 1210-7409
    R&D Projects: GA ČR GA103/07/1016
    Institutional research plan: CEZ:AV0Z20600510
    Keywords : agitation * aggregation * high rate clarification * velocity gradient * water treatment
    Subject RIV: BK - Fluid Dynamics
    Permanent Link: http://hdl.handle.net/11104/0173185
     
     
  10. 10.
    0316036 - ÚH 2009 RIV CZ cze K - Conference Paper (Czech conference)
    Polášek, Pavel - Pivokonský, Martin - Knesl, Bohuslav - Pivokonská, Lenka
    Gradient rychlosti - přirozený prostředek pro zhutňování tvořících se vloček.
    [Velocity gradient - the natural tool for compaction of formed aggregates.]
    Pitná voda 2008. České Budějovice: W&ET Team, 2008, s. 225-230. ISBN 978-80-254-2034-8.
    [Pitná voda 2008. Tábor (CZ), 02.06.2008-05.06.2008]
    R&D Projects: GA ČR GA103/07/1016
    Institutional research plan: CEZ:AV0Z20600510
    Keywords : velocity gradient * flocculation * agitation
    Subject RIV: BK - Fluid Dynamics
    Permanent Link: http://hdl.handle.net/11104/0166079