Abstract This study intends to explore fuzzy logic control on clean water turbidity process with dissolved air flotation (DAF). Three different strategies were tested to regulate clean water turbidity by manipulating the saturator vessel flow output aiming for low actua...

Abstract. The increasing severity of hydrological droughts in the Mediterranean basin related to climate change raises the need to understand the processes sustaining low-flow. The purpose of this paper is to trial simple mixing model approaches first to identify and th...

Abstract. Uncertainty is often ignored in urban water systems modelling. Commercial software used in engineering practice often ignores uncertainties of input variables and their propagation because of a lack of user-friendly implementations. This can have serious conse...

Meteo-France opere en temps reel depuis 2003 la chaine de modelisation hydro-meteorologique SIM, composee du module d'analyse des conditions atmospheriques en surface (SAFRAN), d'une modelisation d...

This research investigates the feasibility of implementing waterless urinals at a public university in Cape Town, South Africa. Two analytical approaches were adopted to assess the feasibility of the proposed systems: a social study in the form of an online survey and a...

Abstract The breakthrough curve obtained from a single‐well push‐pull test can be adjusted to account for dilution of the injection fluid in the aquifer fluid. The dilution‐adjusted breakthrough curve can be analyzed to estimate the reaction rate of a solute. The conven...

The Lake Champlain Basin is threatened by several non-native invasive plant and animal species. The U.S. states of Vermont and New York, and the province of Quebec, Canada share the Lake Champlain watershed. The three jurisdictions work together to protect their water r...

The aim of the study was to develop a model to forecast autumn rainfall several months in advance for south-west division (SWD) of Western Australia (WA), by identifying and incorporating the relationship among major climate indices such as dipole mode index (DMI), sout...

According to the high importance of the university in the growth and development of the country, the evaluation performance of educational and research groups in universities is very important. The black-box Data Envelopment Analysis (DEA) model is mathematical programm...

Long-term monitoring solutions at contaminated sites are necessary to track plume migration and evaluate the performance of remediation efforts. Electrical resistivity imaging (ERI) can potentially provide information about plume dynamics; however, the feasibility and l...

In South Korea, the endangered Eurasian otter (Lutra lutra) populations have been recovered throughout the country. To examine the status of otter populations, we monitored spraint densities at 250 ~ 355 sites annually from 2014 to 2017 in the Nakdong River basin. The d...

Fiber-optic distributed temperature sensing (FO-DTS) has proven to be a transformative technology for the hydrologic sciences, with application to diverse problems including hyporheic exchange, groundwater/surface-water interaction, fractured-rock characterization, and ...

Corroded subsea pipe repaired with composite material is more and more used because of its low cost, simple process and short time, but the repair effect will be affected by factors such as temperature and material degradation. To study the law of the effect, the finite...

AbstractIn this study, water samples from 123 households were collected from the point of collection (POC) to the point of use (POU) in Dar es Salaam, Tanzania. The objectives were to assess water ...

Project scheduling in the resource-constrained situation is one of the key issues of project-oriented organizations. The aim of resource-constrained project scheduling problem (RCPSP) is finding a schedule with minimum makespan by considering precedence and resource con...

Evaluation of the performance of agricultural Beneficial Management Practices (BMPs) intended to protect groundwater resources that may be impacted by the leaching of excess agricultural nutrients ...

Abstract. General circulation models (GCMs) are the primary tools to evaluate the possible impacts of climate change; however, their results are coarse in temporal and spatial dimensions. In addition, they often show systematic biases compared to observations. Downscali...

This study fills a knowledge gap about low-income rural communities’ holistic management of multiple water resources to meet their multiple needs through multiple or single-use infrastructure. Six low-income rural villages in Limpopo Province were selected with a divers...

Two-dimensional numerical simulations of the flow past six cylinders in the 2 × 3 matrix configuration and 3 × 2 matrix configuration are performed at a low Reynolds number (Re = 100) to provide a comprehensive understanding of the complicated physics for flow past mult...

Across Brazil, including the water rich Amazon region, access to safe drinking water remains a challenge and rainwater harvesting has gained credibility as a technological solution. Complementing a more techno-centric approach, this practice paper analyses initial findi...

Short-term memory discrete-time finite impulse response (FIR) controller design along with an optimized tuning method is presented in this paper. For this purpose, the loop shaping scheme is employed in the linear matrix inequalities (LMIs) framework for adjusting some ...

This study deals with a dual channel supply chain where selling price of each player, delivery time for direct channel and retail service dependent demand structures are considered for manufacturer and retailer. In the direct channel, the manufacturer sells the products...

This paper investigates the strength and microstructure of dissimilar weld joints between Hastelloy X, which is a nickel-based superalloy, and austenitic stainless steel 304L. Nd-YAG solid-state pulsed laser is used to perform the welding between these two alloys. Two p...

AbstractElectrochemical methods such as electrocoagulation (EC), electrooxidation (EO), and electroreduction (ER) are promising technologies to remove organics and heavy metals contained in industr...

The farmers in the Bow River Basin (BRB), Canada, have adopted water conservation strategies to reduce water needs. This reduction, however, encouraged the expansion of irrigation, which may rebound agricultural water demands. This paradox requires an understanding of h...

Liquefaction of granular bulk cargo could result in cargo movement and loss of stability of ships, causing the loss of many lives in marine casualties in recent years. To ensure shipping safety, experimental tests and numerical methods have been adopted to reveal the co...

The Anti-pitching Generating WEC (AG-WEC) combines the floating articulated platform with the wave energy device. The wave energy device is installed between the hinged platform modules to provide damping to reduce the relative pitch while generating electricity at the ...

Abstract Throughout the past century, numerous frameworks have been presented to address different types of uncertainty in model-based (dynamic) optimization. One of the most successful and promising frameworks to address uncertainty in dynamic optimization is generaliz...

Recent years have envisaged a great deal of interest in optimizing of logistics and transforming systems. One of important challenges in this regard is the cross dock scheduling with several real-life limitations such as the deadline for both perishable and imperishable...

Abstract In drilling vessels, the dynamic positioning (DP) system has a great importance for the operation, since it ensures the station-keeping ability for the drilling operation. However, an emergency situation involves ungoverned drift due to problems associated with...

An integral equation method is developed to study the wave interaction with two symmetric permeable plates submerged in a two-layer fluid. The plates are inclined and penetrate the common interface between the layers. The existence of two different wave modes for the in...

Abstract. Over the past decade, various methods for bias adjustment of precipitation occurrence or intensity have been proposed. However, the performance of combined methods has not yet been thoroughly evaluated, especially in a hydrological and climate change context. ...

Abstract. Persistent surface water pools along non-perennial rivers represent an important water resource for the plants, animals, and humans that inhabit semi-arid regions. While ecological studies of these features are not uncommon, these are rarely accompanied by a r...

AbstractSinkage and trim, which often occur to ships moving in shallow water, do not only have an effect on the ship–ship hydrodynamic interaction forces but also increase the risk of grounding. Potential flow-based online calculation of ship–ship hydrodynamic interacti...

Traumatic brain injury is caused by physical brain injury. A computational model for considering the response of a neuronal cell under blast loading is presented. The neuronal cell consists of four components including the nucleus, cytoplasm, membrane, and also the netw...

Abstract The behavior of a nonlinear dynamic system under arbitrary excitation can be represented by the Volterra series if the Volterra kernels of different orders are known. This study presents a methodology for a direct estimation of the Volterra kernel coefficients ...

Abstract. The climate modelling community has trialled a large number metrics to evaluate the temporal performance of the Global Circulation Models (GCMs) for the selection of GCMs, while very little attention has been given to spatial performance of GCMs which is equal...

International audience; Cet article présente une cartographie de l'écoulement des cours d'eau de Corse, constituée de deux débits caractéristiques : le débit moyen annuel (module), qui caractérise les écoulements moyens d'une rivière, et le débit mensuel minimal de fréq...

This paper studies the free vibration charachterstics of post-buckled functionally graded nanocomposite annular plates reinforced by single-walled carbon nanotubes (SWCNTs). The analysis is performed by employing a generalized differenitail quadrature (GDQ)-type numeric...

The result from a multi-objective optimization on the outlet diffuser angle of the tidal turbine is presented with a focus on the turbine efficiency and cavitation. This study is the first to investigate the impact of the diffuser angle on the diffuser augmented tidal t...

AbstractAn anaerobic continuously stirred tank reactor (CSTR) integrated with an external tubular nanofiltration membrane module was operated for 466 days. Studies were conducted to compare the eff...