Construction of Water Surface Topography Using LIDAR Data

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RAK, Gašper ;HOČEVAR, Marko ;STEINMAN, Franci .
Construction of Water Surface Topography Using LIDAR Data. 
Strojniški vestnik - Journal of Mechanical Engineering, [S.l.], v. 64, n.9, p. 555-565, october 2018. 
ISSN 0039-2480.
Available at: <https://www.sv-jme.eu/article/construction-of-water-surface-topography-using-lidar-data/>. Date accessed: 02 apr. 2020. 
doi:http://dx.doi.org/10.5545/sv-jme.2017.4619.
Rak, G., Hočevar, M., & Steinman, F.
(2018).
Construction of Water Surface Topography Using LIDAR Data.
Strojniški vestnik - Journal of Mechanical Engineering, 64(9), 555-565.
doi:http://dx.doi.org/10.5545/sv-jme.2017.4619
@article{sv-jmesv-jme.2017.4619,
	author = {Gašper  Rak and Marko  Hočevar and Franci  Steinman},
	title = {Construction of Water Surface Topography Using LIDAR Data},
	journal = {Strojniški vestnik - Journal of Mechanical Engineering},
	volume = {64},
	number = {9},
	year = {2018},
	keywords = {laser scanner; water surface; topography; two-phase flow; confluence},
	abstract = {Measurements of water surface topography are important for hydraulic structures, operation of hydropower plants as well as in the determination of water surface profiles in rivers, especially in the event of high waters. We therefore investigated the conditions at a confluence of two supercritical flows, where distinctly three-dimensional flow conditions of standing waves form, as well as an unsteady structure of the water flow in transversal and longitudinal directions. Due to the fast water surface dynamics and the phenomenon of foamed or twophase flow, the conventional measurement methods typically used in hydro engineering are not suitable for capturing complex water surface topography with high temporal and spatial resolution. Hence we wanted to verify the appropriateness of the laser scanning method for water surface topography measurements. This measurement method, which is considered less suitable or even useless for measurements of water body surfaces, was, coupled with an innovative approach, successfully used for water surface measurements of dynamic, turbulent, two-phase water flow. The acquisition of a point cloud with high temporal and spatial resolution allows for the construction of topography of intensive waving, which will also enable a topology analysis based on a phenomenological analysis of the relations between integral parameters of water flows and standing wave characteristics at the confluence.},
	issn = {0039-2480},	pages = {555-565},	doi = {10.5545/sv-jme.2017.4619},
	url = {https://www.sv-jme.eu/article/construction-of-water-surface-topography-using-lidar-data/}
}
Rak, G.,Hočevar, M.,Steinman, F.
2018 October 64. Construction of Water Surface Topography Using LIDAR Data. Strojniški vestnik - Journal of Mechanical Engineering. [Online] 64:9
%A Rak, Gašper 
%A Hočevar, Marko 
%A Steinman, Franci 
%D 2018
%T Construction of Water Surface Topography Using LIDAR Data
%B 2018
%9 laser scanner; water surface; topography; two-phase flow; confluence
%! Construction of Water Surface Topography Using LIDAR Data
%K laser scanner; water surface; topography; two-phase flow; confluence
%X Measurements of water surface topography are important for hydraulic structures, operation of hydropower plants as well as in the determination of water surface profiles in rivers, especially in the event of high waters. We therefore investigated the conditions at a confluence of two supercritical flows, where distinctly three-dimensional flow conditions of standing waves form, as well as an unsteady structure of the water flow in transversal and longitudinal directions. Due to the fast water surface dynamics and the phenomenon of foamed or twophase flow, the conventional measurement methods typically used in hydro engineering are not suitable for capturing complex water surface topography with high temporal and spatial resolution. Hence we wanted to verify the appropriateness of the laser scanning method for water surface topography measurements. This measurement method, which is considered less suitable or even useless for measurements of water body surfaces, was, coupled with an innovative approach, successfully used for water surface measurements of dynamic, turbulent, two-phase water flow. The acquisition of a point cloud with high temporal and spatial resolution allows for the construction of topography of intensive waving, which will also enable a topology analysis based on a phenomenological analysis of the relations between integral parameters of water flows and standing wave characteristics at the confluence.
%U https://www.sv-jme.eu/article/construction-of-water-surface-topography-using-lidar-data/
%0 Journal Article
%R 10.5545/sv-jme.2017.4619
%& 555
%P 11
%J Strojniški vestnik - Journal of Mechanical Engineering
%V 64
%N 9
%@ 0039-2480
%8 2018-10-11
%7 2018-10-11
Rak, Gašper, Marko  Hočevar, & Franci  Steinman.
"Construction of Water Surface Topography Using LIDAR Data." Strojniški vestnik - Journal of Mechanical Engineering [Online], 64.9 (2018): 555-565. Web.  02 Apr. 2020
TY  - JOUR
AU  - Rak, Gašper 
AU  - Hočevar, Marko 
AU  - Steinman, Franci 
PY  - 2018
TI  - Construction of Water Surface Topography Using LIDAR Data
JF  - Strojniški vestnik - Journal of Mechanical Engineering
DO  - 10.5545/sv-jme.2017.4619
KW  - laser scanner; water surface; topography; two-phase flow; confluence
N2  - Measurements of water surface topography are important for hydraulic structures, operation of hydropower plants as well as in the determination of water surface profiles in rivers, especially in the event of high waters. We therefore investigated the conditions at a confluence of two supercritical flows, where distinctly three-dimensional flow conditions of standing waves form, as well as an unsteady structure of the water flow in transversal and longitudinal directions. Due to the fast water surface dynamics and the phenomenon of foamed or twophase flow, the conventional measurement methods typically used in hydro engineering are not suitable for capturing complex water surface topography with high temporal and spatial resolution. Hence we wanted to verify the appropriateness of the laser scanning method for water surface topography measurements. This measurement method, which is considered less suitable or even useless for measurements of water body surfaces, was, coupled with an innovative approach, successfully used for water surface measurements of dynamic, turbulent, two-phase water flow. The acquisition of a point cloud with high temporal and spatial resolution allows for the construction of topography of intensive waving, which will also enable a topology analysis based on a phenomenological analysis of the relations between integral parameters of water flows and standing wave characteristics at the confluence.
UR  - https://www.sv-jme.eu/article/construction-of-water-surface-topography-using-lidar-data/
@article{{sv-jme}{sv-jme.2017.4619},
	author = {Rak, G., Hočevar, M., Steinman, F.},
	title = {Construction of Water Surface Topography Using LIDAR Data},
	journal = {Strojniški vestnik - Journal of Mechanical Engineering},
	volume = {64},
	number = {9},
	year = {2018},
	doi = {10.5545/sv-jme.2017.4619},
	url = {https://www.sv-jme.eu/article/construction-of-water-surface-topography-using-lidar-data/}
}
TY  - JOUR
AU  - Rak, Gašper 
AU  - Hočevar, Marko 
AU  - Steinman, Franci 
PY  - 2018/10/11
TI  - Construction of Water Surface Topography Using LIDAR Data
JF  - Strojniški vestnik - Journal of Mechanical Engineering; Vol 64, No 9 (2018): Strojniški vestnik - Journal of Mechanical Engineering
DO  - 10.5545/sv-jme.2017.4619
KW  - laser scanner, water surface, topography, two-phase flow, confluence
N2  - Measurements of water surface topography are important for hydraulic structures, operation of hydropower plants as well as in the determination of water surface profiles in rivers, especially in the event of high waters. We therefore investigated the conditions at a confluence of two supercritical flows, where distinctly three-dimensional flow conditions of standing waves form, as well as an unsteady structure of the water flow in transversal and longitudinal directions. Due to the fast water surface dynamics and the phenomenon of foamed or twophase flow, the conventional measurement methods typically used in hydro engineering are not suitable for capturing complex water surface topography with high temporal and spatial resolution. Hence we wanted to verify the appropriateness of the laser scanning method for water surface topography measurements. This measurement method, which is considered less suitable or even useless for measurements of water body surfaces, was, coupled with an innovative approach, successfully used for water surface measurements of dynamic, turbulent, two-phase water flow. The acquisition of a point cloud with high temporal and spatial resolution allows for the construction of topography of intensive waving, which will also enable a topology analysis based on a phenomenological analysis of the relations between integral parameters of water flows and standing wave characteristics at the confluence.
UR  - https://www.sv-jme.eu/article/construction-of-water-surface-topography-using-lidar-data/
Rak, Gašper, Hočevar, Marko, AND Steinman, Franci.
"Construction of Water Surface Topography Using LIDAR Data" Strojniški vestnik - Journal of Mechanical Engineering [Online], Volume 64 Number 9 (11 October 2018)

Authors

Affiliations

  • University of Ljubljana, Faculty of Civil and Geodetic Engineering, Slovenia 1
  • University of Ljubljana, Faculty of Mechanical Engineering, Slovenia 2

Paper's information

Strojniški vestnik - Journal of Mechanical Engineering 64(2018)9, 555-565

https://doi.org/10.5545/sv-jme.2017.4619

Measurements of water surface topography are important for hydraulic structures, operation of hydropower plants as well as in the determination of water surface profiles in rivers, especially in the event of high waters. We therefore investigated the conditions at a confluence of two supercritical flows, where distinctly three-dimensional flow conditions of standing waves form, as well as an unsteady structure of the water flow in transversal and longitudinal directions. Due to the fast water surface dynamics and the phenomenon of foamed or twophase flow, the conventional measurement methods typically used in hydro engineering are not suitable for capturing complex water surface topography with high temporal and spatial resolution. Hence we wanted to verify the appropriateness of the laser scanning method for water surface topography measurements. This measurement method, which is considered less suitable or even useless for measurements of water body surfaces, was, coupled with an innovative approach, successfully used for water surface measurements of dynamic, turbulent, two-phase water flow. The acquisition of a point cloud with high temporal and spatial resolution allows for the construction of topography of intensive waving, which will also enable a topology analysis based on a phenomenological analysis of the relations between integral parameters of water flows and standing wave characteristics at the confluence.

laser scanner; water surface; topography; two-phase flow; confluence