Prashanth Reddy Hanmaiahgari
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View article: Hydro-Climatic Variability and Peak Discharge Response in Zarrinehrud River Basin, Iran, Between 1986 and 2018
Hydro-Climatic Variability and Peak Discharge Response in Zarrinehrud River Basin, Iran, Between 1986 and 2018 Open
In recent years, both anthropogenic and climate changes have caused the depletion of surface water resources, shifts in rainfall and accelerations in temperature, which indicates the importance of their examination to flood forecasting ana…
View article: Gap Impact on Rigid Submerged Vegetated Flow and Its Induced Flow Turbulence
Gap Impact on Rigid Submerged Vegetated Flow and Its Induced Flow Turbulence Open
Submerged vegetation plays a crucial role in influencing flow hydrodynamics, generating turbulence, and shaping velocity distributions in aquatic environments. This study investigates the hydrodynamic effects of submerged rigid vegetation,…
View article: Probability Distribution Functions of Velocity Fluctuations and Quadrant Analysis on Turbulent Flow Around a Horizontal Cylinder Across a Channel Bed
Probability Distribution Functions of Velocity Fluctuations and Quadrant Analysis on Turbulent Flow Around a Horizontal Cylinder Across a Channel Bed Open
An experiment is conducted to investigate the turbulent flow field close to a wall-fastened horizontal cylinder. The evolution of the flow field is analyzed by evaluating turbulent flow characteristics and fluid dynamics along the lengthwi…
View article: Computational and experimental analysis of flow velocity and complex vortex formation around a group of bridge piers
Computational and experimental analysis of flow velocity and complex vortex formation around a group of bridge piers Open
View article: Geomorphometric analysis of the Gandak River Basin using remote sensing and GIS
Geomorphometric analysis of the Gandak River Basin using remote sensing and GIS Open
The present study analyzes the geomorphometric characteristics of the Gandak River. The objective is to understand its hydrological features, the history of basin development, and the evolution of the landscape. The Shuttle Radar Topograph…
View article: The future of rainwater recycling: assessing health risks and environmental impact
The future of rainwater recycling: assessing health risks and environmental impact Open
This article examines the future of rainwater recycling through a study of numerous scholarly articles, research papers, and studies on rainwater collection, its advantages, potential health hazards, and environmental consequences. Rainwat…
View article: Morphological analysis of the Gandak River between Valmikinagar Barrage and Chakia using Google Earth Engine
Morphological analysis of the Gandak River between Valmikinagar Barrage and Chakia using Google Earth Engine Open
The Gandak River originates in Nepal and flows into the Ganges River in India. It is undergoing substantial geomorphological transformations driven by climate change and human activities. The current study analyzed satellite imagery of 33 …
View article: 3D numerical modelling and laboratory study of flow field induced by a group of submerged vegetations
3D numerical modelling and laboratory study of flow field induced by a group of submerged vegetations Open
View article: Geomorphological characteristics of Gandak river between Sahibganj and confluence with Ganga river during 1989–2022
Geomorphological characteristics of Gandak river between Sahibganj and confluence with Ganga river during 1989–2022 Open
The Gandak River originates in Nepal and merges with the Ganga River in India. The Gandak River is experiencing significant geomorphological alterations due to climate change and anthropogenic causes. In this study, an attempt has done to …
View article: Pressure and Velocity Profiles over a Weir Using Potential Flow Model
Pressure and Velocity Profiles over a Weir Using Potential Flow Model Open
A potential flow model of the semi-inverse type is proposed to simulate flow over round crested weirs. This technique involves the construction of only streamlines over the weir instead of constructing the entire flow net. A Serre–Green–Na…
View article: Environmental Hydraulics, Turbulence, and Sediment Transport, Second Edition
Environmental Hydraulics, Turbulence, and Sediment Transport, Second Edition Open
Within river systems, the process of bed-forming is intricate, dynamic and is shaped by different factors [...]
View article: Experimental modelling of local scour phenomenon at a series of repelling emergent spur dikes 
Experimental modelling of local scour phenomenon at a series of repelling emergent spur dikes  Open
A spur dike is an elongated artificial structure with one end on the bank of a stream and the other end projecting into the current, and it is the most cost-effective river training structure that can be built at the channel’s banks.…
View article: Numerical modeling of interaction of turbulent flow with trash screen in open channels
Numerical modeling of interaction of turbulent flow with trash screen in open channels Open
Trash screens are widely employed at the entrance of hydraulic structures, water intakes, and pumping stations to trap flowing debris that could exasperate downstream troubles. The characteristics of the vertical trash screen flow are meas…
View article: Effects of Reynolds number and blockage ratio on the turbulence characteristics of open channel flow passing through trash rack
Effects of Reynolds number and blockage ratio on the turbulence characteristics of open channel flow passing through trash rack Open
Trash racks are extensively used to prevent debris from being transported to down-stream reaches of waterways. However, debris accumulation at the screens can significantly affect their hydraulic performance, resulting in negative economic…
View article: Insights into CFD Modelling of Water Hammer
Insights into CFD Modelling of Water Hammer Open
A problem with 1-D water hammer modelling is in the application of accurate unsteady friction. Moreover, investigating the time response of fluid dynamics and unsteady turbulence structures during the water hammer is not possible with a 1-…
View article: Deposition and Microbial Analyses from Roof-Top Sediments Within Different Sanitation Environments
Deposition and Microbial Analyses from Roof-Top Sediments Within Different Sanitation Environments Open
Since the building roof acts as hub for atmospheric sediment deposition, the attached microbes can enter rainwater storage tank with ease to cause health issue for rainwater users. This study aims to explore the trend of roof-top deposited…
View article: Estimation of deposit thickness in single-phase liquid flow pipeline using finite volume modelling
Estimation of deposit thickness in single-phase liquid flow pipeline using finite volume modelling Open
A significant problem with liquid pipelines can be the internal deposition of wax, sediments, tuberculation and biofilms which results in decreased flow assurance of the pipelines and higher pumping costs in addition to safety issues. Ther…
View article: Wake flow field of a wall-mounted pipe with spoiler on a rough channel bed
Wake flow field of a wall-mounted pipe with spoiler on a rough channel bed Open
This research work focuses on the wake flow region of a cylinder with a spoiler on a rough bed under steady flow conditions. The acoustic Doppler velocimetry was used for the measurement of three-dimensional velocity data for two Reynolds …
View article: Editorial: The urban fluvial and hydro-environment system
Editorial: The urban fluvial and hydro-environment system Open
EDITORIAL article Front. Environ. Sci., 21 November 2022Sec. Freshwater Science https://doi.org/10.3389/fenvs.2022.1075282
View article: Bursting phenomenon created by bridge piers group in open channel flow
Bursting phenomenon created by bridge piers group in open channel flow Open
Bridge pier is a common feature in hydraulic structure. Its impact to the river usually occurs in group form rather than a single pier, so this challenging pier-group influence towards river hydraulics and turbulence needs to be explored. …
View article: Inclusive Hyper- to Dilute-Concentrated Suspended Sediment Transport Study Using Modified Rouse Model: Parametrized Power-Linear Coupled Approach Using Machine Learning
Inclusive Hyper- to Dilute-Concentrated Suspended Sediment Transport Study Using Modified Rouse Model: Parametrized Power-Linear Coupled Approach Using Machine Learning Open
The transfer of suspended sediment can range widely from being diluted to being hyper-concentrated, depending on the local flow and ground conditions. Using the Rouse model and the Kundu and Ghoshal (2017) model, it is possible to look at …
View article: Novel thermal treatment model to decontaminate airborne SARS Cov‐2 virus for residential and commercial buildings
Novel thermal treatment model to decontaminate airborne SARS Cov‐2 virus for residential and commercial buildings Open
In the COVID‐19 pandemic, control of airborne virus transmission is exceptionally challenging as it is attached to suspended particles in the air and stays for an extended time. Air contaminated with airborne viruses holds a substantial ri…
View article: Review of Suspended Sediment Transport Mathematical Modelling Studies
Review of Suspended Sediment Transport Mathematical Modelling Studies Open
This paper reviews existing studies relating to the assessment of sediment concentration profiles within various flow conditions due to their importance in representing pollutant propagation. The effects of sediment particle size, flow dep…
View article: Self-Preservation of Turbulence Statistics in the Wall-Wake Flow of a Bed-Mounted Horizontal Pipe
Self-Preservation of Turbulence Statistics in the Wall-Wake Flow of a Bed-Mounted Horizontal Pipe Open
This research article analyzed the self-preserving behaviour of wall-wake region of a circular pipe mounted horizontally over a flat rigid sand bed in a shallow flow in terms of mean velocity, RSS, and turbulence intensities. The study aim…
View article: A Comparative Study between Sand- and Gravel-Bed Open Channel Flows in the Wake Region of a Bed-Mounted Horizontal Cylinder
A Comparative Study between Sand- and Gravel-Bed Open Channel Flows in the Wake Region of a Bed-Mounted Horizontal Cylinder Open
In nature, environmental and geophysical flows frequently encounter submerged cylindrical bodies on a rough bed. The flows around the cylindrical bodies on the rough bed are very complicated as the flow field in these cases will be a funct…
View article: An Overview of the Numerical Approaches to Water Hammer Modelling: The Ongoing Quest for Practical and Accurate Numerical Approaches
An Overview of the Numerical Approaches to Water Hammer Modelling: The Ongoing Quest for Practical and Accurate Numerical Approaches Open
Here, recent developments in the key numerical approaches to water hammer modelling are summarized and critiqued. This paper summarizes one-dimensional modelling using the finite difference method (FDM), the method of characteristics (MOC)…
View article: Sediment Deposition within Rainwater: Case Study Comparison of Four Different Sites in Ikorodu, Nigeria
Sediment Deposition within Rainwater: Case Study Comparison of Four Different Sites in Ikorodu, Nigeria Open
Building roofs represents a critical pathway for sediment mixing with rainwater. This study aims to explore the correlation between roof-top deposited sediment matter in the different areas of the Ikorodu Local Government Area in Lagos, Ni…
View article: Turbulent Flow Structure around a Horizontal Circular Cylinder Placed on a Rough Bed
Turbulent Flow Structure around a Horizontal Circular Cylinder Placed on a Rough Bed Open
<p>Pipelines that traverse a river are often buried beneath the river bed. However, the pipeline may be exposed due to scoured riverbed during floods. The exposed pipeline vibrates in a frequency band depending upon the flow velocity…
View article: Flood Suspended Sediment Transport: Combined Modelling from Dilute to Hyper-Concentrated Flow
Flood Suspended Sediment Transport: Combined Modelling from Dilute to Hyper-Concentrated Flow Open
During flooding, the suspended sediment transport usually experiences a wide-range of dilute to hyper-concentrated suspended sediment transport depending on the local flow and ground conditions. This paper assesses the distribution of sedi…
View article: Mathematical Modeling of Solar Energy based Thermal Energy Storage for House Heating in Winter
Mathematical Modeling of Solar Energy based Thermal Energy Storage for House Heating in Winter Open