Two-phase air-water flow properties in hydraulic jump at low froude number: Scale effects in physical modelling

2021 ◽  
Author(s):  
Jorge Estrella ◽  
Davide Wuthrich ◽  
Hubert Chanson
Keyword(s):  
Froude Number ◽  
Water Flow ◽  
Hydraulic Jump ◽  
Scale Effects ◽  
Physical Modelling ◽  
Flow Properties ◽  
Two Phase ◽  
Low Froude Number

scholarly journals Extreme pressure forecasting methodology for the hydraulic jump downstream of a low head spillway

RBRH ◽  
2020 ◽  
Vol 25 ◽  
Author(s):  
Roberta Ferrão Hampe ◽  
Renato Steinke Júnior ◽  
Maurício Dai Prá ◽  
Marcelo Giulian Marques ◽  
Eder Daniel Teixeira
Keyword(s):  
Froude Number ◽  
Hydraulic Jump ◽  
Extreme Pressure ◽  
Discharge System ◽  
Flow Discharge ◽  
Economical Design ◽  
Low Froude Number ◽  
Low Head

ABSTRACT Extreme pressures in the hydraulic jump are associated with risk of damage to the flow discharge system of dams by a series of mechanisms. Therefore, understanding and predicting these efforts are crucial for the safe and economical design of discharge systems. Thus, this paper aims to validate an existing pressure forecasting methodology for estimating the extreme pressure in the hydraulic jump with low Froude number (below 4.5). Results have shown that the method may be used for this situation on a preliminary basis. Further studies are recommended to refine the technique and to achieve results that are more precise.

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