TY  - CHAP
A1  - Bühler, P.
A1  - Leandro, J.
A1  - Bung, Daniel B.
A1  - Lopes, P.
A1  - Carvalho, R.
T1  - Measuring void fraction of a stepped spillway with non-intrusive methods using different image resolutions
T2  - 2nd International Workshop on Hydraulic Structures : Data Validation : Coimbra, Portugal, 8-9 May 2015
Y1  - 2015
SP  - 1
EP  - 8
ER  - 
TY  - JOUR
A1  - Oertel, Mario
A1  - Bung, Daniel B.
T1  - Numerische Strömungssimulationen von Fließgewässern : Praxisanwendungen und zukünftige Entwicklungen
JF  - Korrespondenz Wasserwirtschaft : KW
Y1  - 2015
SN  - 1616-430X
VL  - 8
IS  - H. 3
SP  - 177
EP  - 182
PB  - Gesellschaft zur Förderung der Abwassertechnik
CY  - Hennef
ER  - 
TY  - CHAP
A1  - Bung, Daniel B.
A1  - Valero, Daniel
T1  - Image processing for bubble image velocimetry in self-aerated flows
T2  - E-proceedings of the 36th IAHR World Congress 28 June – 3 July, 2015, The Hague, the Netherlands
Y1  - 2015
SP  - 1
EP  - 8
ER  - 
TY  - CHAP
A1  - Oertel, Mario
A1  - Balmes, Jan P.
A1  - Bung, Daniel B.
T1  - Numerical simulation of erosion processes on crossbar block ramps
T2  - E-proceedings of the 36th IAHR World Congress 28 June – 3 July, 2015, The Hague, the Netherlands
Y1  - 2015
SP  - 1
EP  - 8
ER  - 
TY  - CHAP
A1  - Valero, Daniel
A1  - Bung, Daniel B.
T1  - Hybrid investigation of air transport processes in moderately sloped stepped spillway flows
T2  - E-proceedings of the 36th IAHR World Congress 28 June – 3 July, 2015, The Hague, the Netherlands
Y1  - 2015
SP  - 1
EP  - 10
ER  - 
TY  - CHAP
A1  - Bung, Daniel B.
ED  - Rowinski, Pawel
T1  - Laboratory models of free-surface flows
T2  - Rivers - physical, fluvial and environmental processes
N2  - Hydraulic modeling is the classical approach to investigate and describe complex fluid motion. Many empirical formulas in the literature used for the hydraulic design of river training measures and structures have been developed using experimental data from the laboratory. Although computer capacities have increased to a high level which allows to run complex numerical simulations on standard workstation nowadays, non-standard design of structures may still raise the need to perform physical model investigations. These investigations deliver insight into details of flow patterns and the effect of varying boundary conditions. Data from hydraulic model tests may be used for calibration of numerical models as well. As the field of hydraulic modeling is very complex, this chapter intends to give a short overview on capacities and limits of hydraulic modeling in regard to river flows and hydraulic structures only. The reader shall get a first idea of modeling principles and basic considerations. More detailed information can be found in the references.
KW  - Physical modeling
KW  - Similitude
KW  - Open channels
KW  - Hydraulic structures
Y1  - 2015
SN  - 978-3-319-17718-2 ; 978-3-319-17719-9
U6  - http://dx.doi.org/10.1007/978-3-319-17719-9_9
SP  - 213
EP  - 228
PB  - Springer
CY  - Cham
ER  - 
TY  - CHAP
A1  - Chanson, Hubert
A1  - Bung, Daniel B.
A1  - Matos, J.
T1  - Stepped spillways and cascades
T2  - Energy dissipation in hydraulic structures / Hubert Chanson (ed.)
Y1  - 2015
SN  - 978-1-138-02755-8 (print) ; 978-1-315-68029-3 (e-Book)
SP  - 45
EP  - 64
PB  - CRC Press
CY  - Boca Raton, Fla. [u.a.]
ER  - 
TY  - JOUR
A1  - Oertel, Mario
A1  - Bung, Daniel B.
T1  - Stability and scour development of bed material on crossbar block ramps
JF  - International journal of sediment research
N2  - Block ramps are ecologically oriented drop structures with adequate energy dissipation and partially moderate flow velocities. A special case is given with crossbar block ramps, where the upstream and downstream level difference is reduced by a series of basins. To prevent the total structure from failing, the stability of single boulders within the crossbars and the bed material in between must be guaranteed. The present paper addresses the stability of bed material and scour development for various flow regimes. Any bed material erosion may affect the stability of the crossbar boulders, which in turn can result in major damages of the ramp. Therefore new design approaches are developed to choose an appropriate bed material size and to avoid failures of crossbar block ramp structures.
Y1  - 2015
U6  - http://dx.doi.org/10.1016/j.ijsrc.2014.12.003
SN  - 1001-6279
VL  - 30
IS  - 4
SP  - 344
EP  - 350
PB  - Elsevier
CY  - Amsterdam
ER  - 
TY  - CHAP
A1  - Lopes, Pedro
A1  - Bung, Daniel B.
A1  - Leandro, Jorge
A1  - Carvalho, Rita F.
T1  - The effect of cross-waves in physical stepped spillway models
T2  - E-proceedings of the 36th IAHR World Congress ; 28 June - 3 July, 2015, The Hague, the Netherlands
Y1  - 2015
SP  - 1
EP  - 9
ER  -