Results 1 to 10 of about 230,594 (208)

YOLOv5-Sewer: Lightweight Sewer Defect Detection Model

open access: yesApplied Sciences
In the field of defect detection in sewers, some researches focus on high accuracy. However, it is challenging for portable on-site devices to provide high performance.
Xingliang Zhao   +3 more
doaj   +2 more sources

A Review of the Durability in PVC Sewer Pipes-Structural and Performance Factors [PDF]

open access: yesBaspārish, 2021
Currently, polyvinyl chloride (PVC) is one of the most valuable products in the petrochemical industry. In general, more than half of the PVC products is used in construction.
mahroo khaleghi
doaj   +1 more source

Study of the Ventilation Effect to Reducing the Corrosion of the Main Concrete Sewer Collector line in the Vicinity of Dropshaft Manhole [PDF]

open access: yesعلوم و مهندسی آب و فاضلاب, 2021
Corrosion is one of the major problems in utilizing sewage networks. In some points of wastewater networks, such as drop shafts, the corrosion intensity due to hydrogen sulfide gas accumulation is significant.
Alireza Roodbarani   +3 more
doaj   +1 more source

Simultaneous Localization and Mapping for Inspection Robots in Water and Sewer Pipe Networks: A Review

open access: yesIEEE Access, 2021
At the present time, water and sewer pipe networks are predominantly inspected manually. In the near future, smart cities will perform intelligent autonomous monitoring of buried pipe networks, using teams of small robots. These robots, equipped with all
Jonathan M. Aitken   +7 more
doaj   +1 more source

What Is the Impact of Leaky Sewers on Groundwater Contamination in Urban Semi-Confined Aquifers? A Test Study Related to Fecal Matter and Personal Care Products (PCPs)

open access: yesHydrology, 2022
Urban areas exercise numerous and strong pressures on water bodies, implying that different external anthropogenic factors also stress groundwater. Sewerage networks play an important role, being the place of wastewater flow.
Laura Ducci   +7 more
doaj   +1 more source

Performance assessment of a SOFC cogeneration system for residential buildings located in eastern Iran [PDF]

open access: yesHydrogen, Fuel Cell & Energy Storage, 2016
It is expected that residential units may replace   traditional heat and power production systems with cogeneration ones. Among the different cogeneration systems, fuel cell based systems are a suitable choice due to their high efficiency, high power ...
Hassan Hassanzadeh   +3 more
doaj   +1 more source

Development of Technological Solutions for Sewer Rehabilitation Using Clinker Brick

open access: yesНаука и техника, 2021
The aim of the work is to develop a technology for the restoration of damaged sections of sewer collectors using clinker bricks. A significant part of such collectors in the Ukraine has completely exhausted their depreciation resource.
D. F. Goncharenko   +3 more
doaj   +1 more source

A Hydrodynamic Model For Simulation Of Unsteady Flow In Storm Sewer Network Systems [PDF]

open access: yesEngineering and Technology Journal, 2009
In this work, a hydrodynamic numerical model for sewer networks has beendeveloped, Unsteady flow in either tree-type or looped sewer networks systems has been simulated, The Prissmann slot assumption is adopted to extend open channel flow equations to ...
Jasim M.Ridha   +2 more
doaj   +1 more source

Challenges in Sewer System Maintenance

open access: yesEncyclopedia, 2023
A sewer system is an important infrastructure of every settlement. A sewer system is a set of construction facilities used for the quick removal of wastewater from the humans’ immediate environment and its transport to a wastewater treatment plant or ...
Dino Obradović   +2 more
doaj   +1 more source

Advanced integrated real-time control of combined Urban drainage systems using MPC [PDF]

open access: yes, 2018
Combined urban drainage system (CUDS) collect both wastewater and raining water through sewer networks to wastewater treatment plants (WWTP) before releasing to the environment.
Cembrano Gennari, Gabriela   +4 more
core   +1 more source

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