New empirical equations to assess energy efficiency of flow-dissipating vortex dropshaft
M Najafzadeh, M Mahmoudi-Rad - Engineering Applications of Artificial …, 2024 - Elsevier
Vortex structures are generally considered the common energy-dissipating infrastructures in
order to convey urban surface waters. During transferring wastewater in such urban …
order to convey urban surface waters. During transferring wastewater in such urban …
Modelling sewer discharge via displacement of manhole covers during flood events using 1D/2D SIPSON/P-DWave dual drainage simulations
In urban areas, overloaded sewers may result in surcharge that causes surface flooding.
The overflow from sewer systems mainly starts at the inlets until the pressure head in the …
The overflow from sewer systems mainly starts at the inlets until the pressure head in the …
Machine learning methods for wastewater hydraulics
F Granata, G de Marinis - Flow Measurement and Instrumentation, 2017 - Elsevier
Wastewater hydraulics problems are frequently addressed by investigation on physical
models. Dimensional analysis is a powerful tool that allows discovering essential …
models. Dimensional analysis is a powerful tool that allows discovering essential …
Assessment of the ability of a volume of fluid model to reproduce the efficiency of a continuous transverse gully with grate
This paper deals with the numerical investigation of the drainage efficiency of a continuous
transverse gully with the grate's slots aligned in the flow direction and compared with …
transverse gully with the grate's slots aligned in the flow direction and compared with …
Deep tunnel for regulating combined sewer overflow pollution and flood disaster: a case study in Guangzhou City, China
H Wu, G Huang, Q Meng, M Zhang, L Li - Water, 2016 - mdpi.com
The DongHaoChong (DHC) basin is located in the central city zone of Guangzhou City,
China. Owing to the high density of buildings and low quality of the drainage pipe network in …
China. Owing to the high density of buildings and low quality of the drainage pipe network in …
Energy dissipation of flow in the vortex structure: experimental investigation
M Mahmoudi-Rad, MJ Khanjani - Journal of Pipeline Systems …, 2019 - ascelibrary.org
With the rapid rise in the development of urban districts, a ferocious demand for water-
collecting urban sewer systems is inevitable. In fact, flexible sewer collection systems and …
collecting urban sewer systems is inevitable. In fact, flexible sewer collection systems and …
Flow regimes at grid drop-type dissipators caused by changes in tail-water depth
M Sharif, A Kabiri-Samani - Journal of Hydraulic Research, 2018 - Taylor & Francis
ABSTRACT A comprehensive set of experiments was performed on grid drop-type
dissipators in a rectangular open channel. The study aims to examine the adjustment and …
dissipators in a rectangular open channel. The study aims to examine the adjustment and …
Dropshaft cascades in urban drainage systems
F Granata - Water Science and Technology, 2016 - iwaponline.com
Dropshaft cascades are typical elements of sewer systems in steep urban catchment basins.
The design of a dropshaft cascade, which is generally addressed as an optimization …
The design of a dropshaft cascade, which is generally addressed as an optimization …
Effect of surcharge on gully-manhole flow
In an urban drainage system, surface system and buried system are connected through
several linking elements like gullies and manholes. To model an urban flood through a 1D …
several linking elements like gullies and manholes. To model an urban flood through a 1D …
Air entrainment in drop shafts: a novel approach based on machine learning algorithms and hybrid models
F Granata, F Di Nunno - Fluids, 2022 - mdpi.com
Air entrainment phenomena have a strong influence on the hydraulic operation of a
plunging drop shaft. An insufficient air intake from the outside can lead to poor operating …
plunging drop shaft. An insufficient air intake from the outside can lead to poor operating …