Zobrazeno 1 - 10
of 181
pro vyhledávání: '"Gerhard H. Jirka"'
Autor:
Tobias Bleninger, Gerhard H. Jirka
Publikováno v:
Proceedings of the Institution of Civil Engineers - Water Management. 164:387-396
Environmental standards and their implementation in different countries are reviewed for point source discharges into surface waters. The paper focuses on the analysis of existing mixing zone regulations and recommends procedures to develop and manag
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::93428cd72c7617356ee687bce6805406
https://doi.org/10.1680/wama.900037
https://doi.org/10.1680/wama.900037
Quasi-two-dimensional properties of a single shallow-water vortex with high initial Reynolds numbers
Autor:
Gerhard H. Jirka, D.-G. Seol
Publikováno v:
Journal of Fluid Mechanics. 665:274-299
The evolution and dynamics of a shallow-water vortex system with high initial Reynolds numbers are investigated experimentally without background rotation. A single vortex is generated by rotating a water mass at the centre of an experimental tank us
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a77cd801564c3a504272609383e15b7f
https://doi.org/10.1017/s0022112010003915
https://doi.org/10.1017/s0022112010003915
Publikováno v:
Journal of Hydraulic Engineering. 136:779-789
The statistics of pressure fluctuations above and within three types of porous granular beds such as in gravel bed streams, rivers, and man-made canals are investigated by data gained via laboratory flume experiments. The flow conditions examined inc
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a7057a7cecd9dda6a8d8483778e28f37
https://doi.org/10.1061/(asce)hy.1943-7900.0000251
https://doi.org/10.1061/(asce)hy.1943-7900.0000251
Publikováno v:
Journal of Fluid Mechanics. 660:55-86
This paper presents a comprehensive study of the near-bed hydrodynamics at non-moving streambeds based on laboratory experiments in open-channel flows. Pressure and velocity measurements were made with an array of up to 15 miniaturized piezo-resistiv
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c1fb09a81bb76a26f0d6512e9f23c30f
https://doi.org/10.1017/s0022112010002545
https://doi.org/10.1017/s0022112010002545
Autor:
Gerhard H. Jirka, Dong-Guan Seol
Publikováno v:
Journal of Hydro-environment Research. 4:65-73
Turbulent shallow flows are characterized by large-scale strongly two-dimensional vortex structures that are triggered and grow under the kinematic and dynamic conditions of shallowness. Shallow mixing layers, wakes and jets are prominent examples in
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::310171b04d8e76dc0949e0ede36c7c37
https://doi.org/10.1016/j.jher.2010.04.011
https://doi.org/10.1016/j.jher.2010.04.011
Publikováno v:
Experiments in Fluids. 49:319-327
Most environmentally important gases (such as oxygen or carbon dioxide) have low solubility. The transfer process of such gases across the air–water interface is controlled by molecular diffusion and turbulence, concentrated within a very thin laye
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c3cec732840e851ae9bd44168fca5cfd
https://doi.org/10.1007/s00348-010-0874-4
https://doi.org/10.1007/s00348-010-0874-4
Publikováno v:
Desalination and Water Treatment. 13:156-173
The impacts of a desalination plant discharge on the marine environment depend on the physical and chemical properties of the desalination plant reject streams, and the susceptibility of coastal ecosystems to these discharges depending on their hydro
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::999d64721847b04d56161e55a14f6db5
https://doi.org/10.5004/dwt.2010.1055
https://doi.org/10.5004/dwt.2010.1055
Publikováno v:
Journal of Hydraulic Engineering. 135:257-270
A planar concentration analysis (PCA) system is used for observing the transport and mixing of a tracer mass in a shallow turbulent free-surface wake flow of a large cylindrical obstacle. The nonintrusive, fieldwise PCA measuring technique is applied
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::acc2249ad82f05568b84c955baa6d5b1
https://doi.org/10.1061/(asce)0733-9429(2009)135:4(257)
https://doi.org/10.1061/(asce)0733-9429(2009)135:4(257)
Autor:
Elisabeth Chassaing, Pierre-Philippe Grand, Tobias Bleninger, Volker Weitbrecht, S. Delbos, Gerhard H. Jirka, Daniel Lincot, O. Kerrec
Publikováno v:
Experiments in Fluids. 46:1105-1114
Laboratory studies were conducted in a cube-shaped reactor with the aim of generating and controlling homogeneous turbulence near the wall, with zero mean primary flow and minimal mean secondary flow motions, to achieve a homogeneous electrodepositio
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c325c60f120df90862fa22dc7c2dcf9e
https://doi.org/10.1007/s00348-009-0621-x
https://doi.org/10.1007/s00348-009-0621-x
Publikováno v:
Dynamics of Atmospheres and Oceans
Dynamics of Atmospheres and Oceans, Elsevier, 2008, 45 (1-2), pp.46-68. ⟨10.1016/j.dynatmoce.2008.02.001⟩
Dynamics of Atmospheres and Oceans, Elsevier, 2008, 45 (1-2), pp.46-68. ⟨10.1016/j.dynatmoce.2008.02.001⟩
International audience; Laboratory experiments were conducted to study the effect of locally enhanced bottom roughness in a density-stratified two-layer flow down a slope. Three bottom roughness configurations were investigated , a smooth bed and two
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ebcced88b94a46246d10d5665e49f961
https://doi.org/10.1016/j.dynatmoce.2008.02.001
https://doi.org/10.1016/j.dynatmoce.2008.02.001