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  • Open Access
    Authors: 
    Rodolpho Rodrigues Fonseca; Ivan Carlos Franco; José Pedro Thompson; Flávio Vasconcelos da Silva;
    Publisher: IWA Publishing

    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...

  • Publication . Preprint . Other literature type . 2021
    Open Access English
    Authors: 
    Maxime Gillet; Pierre-Alain Ayral; Somar Khaska; Philippe Martin; Patrick Verdoux;
    Publisher: HAL CCSD
    Country: France

    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...

  • Open Access
    Authors: 
    Jairo Arturo Torres-Matallana; Ulrich Leopold; Gerard B. M. Heuvelink;
    Publisher: Copernicus GmbH

    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...

  • Closed Access
    Authors: 
    François Besson; Pierre Etchevers; Florence Habets; Patrick Le Moigne; Fabienne Rousset-Regimbeau; Jean-Michel Soubeyroux; Christian Viel; Béatrice Vincendon;
    Publisher: Informa UK Limited

    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...

  • Open Access English
    Authors: 
    T.L. Chipako; D.G. Randall;
    Publisher: Water Research Commission (WRC)

    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...

  • Open Access English
    Authors: 
    Charles J. Paradis; Emma R. Dixon; Lauren M. Lui; Adam P. Arkin; Jack C. Parker; Jonathan D. Istok; Edmund Perfect; Larry D. McKay; Terry C. Hazen;
    Publisher: Blackwell Publishing Ltd

    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...

  • Open Access
    Authors: 
    Margaret D. Modley;
    Publisher: Academy of Science of South Africa

    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...

  • Authors: 
    Farhana Islam; Monzur Alam Imteaz;
    Publisher: Inderscience Publishers

    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...

  • Open Access
    Authors: 
    Elahe Shariatmadari Serkani; Farhad Hosseinzadeh Lotfi; Esmaeil Najafi; Mahnaz Ahadzadeh Namin;
    Publisher: SciTech Solutions

    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...

  • Closed Access
    Authors: 
    Judy Robinson; Timothy C. Johnson; Mark L. Rockhold;
    Publisher: Wiley

    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...

  • Authors: 
    Sungwon Hong; T.-S. Chon; G. J. Joo;
    Publisher: International Society for Environmental Information Science (ISEIS)

    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...

  • Open Access
    Authors: 
    Marian M. Domanski; Daven P. Quinn; Frederick D. Day-Lewis; Martin A. Briggs; D. Dale Werkema; John W. Lane;
    Publisher: Wiley

    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 ...

  • Closed Access
    Authors: 
    Jianhang Xin; Yu Zhang; Chaowei Zhong; Ziyun Cheng; Zhike Jia;
    Publisher: Springer Science and Business Media LLC

    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...

  • Authors: 
    Tula M. Ngasala; Stephen Gasteyer; Susan J. Masten; Mantha S. Phanikumar;
    Publisher: American Society of Civil Engineers (ASCE)

    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 ...

  • Open Access
    Authors: 
    Ali Kaveh; Yasin Vazirinia;
    Publisher: SciTech Solutions

    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...

  • Authors: 
    Esmaeili, Sara; Thomson, Neil R.; Rudolph, David L.;
    Publisher: Informa UK Limited

    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 ...

  • Open Access English
    Authors: 
    Hossein Tabari; Daan Buekenhout; Patrick Willems;

    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...

  • Open Access English
    Authors: 
    Barbara van Koppen; Moritz Hofstetter; A Edward Nesamvuni; Quinex Chiluwe;
    Publisher: Water Research Commission (WRC)

    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...

  • Closed Access
    Authors: 
    Gao, Yangyang; Chen, Weiyi; Wang, Bin; Wang, Lizhong;
    Publisher: Springer Science and Business Media LLC

    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...

  • Open Access
    Authors: 
    Anne Schiffer; Andrew Swan; Ronaldo Lopes Rodrigues Mendes; Mário Vasconcellos Sobrinho;
    Publisher: Practical Action Publishing
    Country: United Kingdom

    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...

  • Open Access
    Authors: 
    Hamideh Najafizadegan; Farshad Merrikh-Bayat;
    Publisher: SciTech Solutions

    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 ...

  • Open Access
    Authors: 
    Brojeswar Pal; Leopoldo Eduardo Cárdenas-Barrón; Kripasindhu Chaudhuri;
    Publisher: SciTech Solutions

    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...

  • Open Access
    Authors: 
    F. Vakili Tahami; Ebrahim Safari; H. Halimi Khosroshahi;
    Publisher: SciTech Solutions

    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...

  • Authors: 
    Deepak Sharma; Parmesh Kumar Chaudhari; Savita Dubey; Abhinesh Kumar Prajapati;
    Publisher: American Society of Civil Engineers (ASCE)

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

  • Authors: 
    Mohammad Ghoreishi; Saman Razavi; Amin Elshorbagy;
    Publisher: Taylor & Francis

    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...

  • Closed Access
    Authors: 
    Jianwei Zhang; Wanqing Wu; Zihao Zhao; Yulong Chen;
    Publisher: Springer Science and Business Media LLC

    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...

  • Closed Access
    Authors: 
    Hailong Chen; Fankai Kong; Hengxu Liu; Weiming Su; Dan Yu; Weiqi Liu;
    Publisher: Springer Science and Business Media LLC

    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 ...

  • Closed Access
    Authors: 
    Satyajeet Bhonsale; Philippe Nimmegeers; Dries Telen; Joel A. Paulson; Ali Mesbah; Jan Van Impe;
    Publisher: Elsevier
    Country: Belgium

    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...

  • Open Access
    Authors: 
    Amir Golshahi-Roudbaneh; Mostafa Hajiaghaei-Keshteli; Mohammad Mahdi Paydar;
    Publisher: SciTech Solutions

    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...

  • Closed Access
    Authors: 
    Eduardo A. Tannuri; Pedro Cardozo de Mello; Raul Dotta; Anderson T. Oshiro; Gustavo R. Diederichs; Daniel F. Cruz; Marcos D. Ferreira; Luiz Manoel P. Nunes; Katsuya Maeda;
    Publisher: ASME International

    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...

  • Closed Access
    Authors: 
    Najnin Islam; R. Gayen;
    Publisher: Springer Science and Business Media LLC

    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...

  • Publication . Other literature type . Preprint . 2020
    Open Access English
    Authors: 
    Jorn Van de Velde; Bernard De Baets; Matthias Demuzere; Niko E. C. Verhoest;

    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. ...

  • Publication . Preprint . Other literature type . 2020
    Open Access
    Authors: 
    Sarah A. Bourke; Margaret Shanafield; Paul Hedley; Shawan Dogramaci;
    Publisher: Copernicus GmbH
    Project: ARC | Climate-related regime sh... (LP120100310), ARC | Discovery Early Career Re... (DE150100302)

    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...

  • Closed Access
    Authors: 
    Huilong Ren; Chen Xu; Xueqian Zhou; Serge Sutulo; Carlos Guedes Soares;
    Publisher: American Society of Mechanical Engineers

    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...

  • Open Access
    Authors: 
    H. Ahmadi Nejad Joushani; Bahman Vahidi; Mohammad Hossein Sabour;
    Publisher: SciTech Solutions

    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...

  • Closed Access
    Authors: 
    Jae-Hyeon Son; Yooil Kim;
    Publisher: ASME International

    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 ...

  • Open Access
    Authors: 
    Kamal Ahmed; D. A. Sachindra; Shamsuddin Shahid; Mehmet C. Demirel; Eun-Sung Chung;
    Publisher: Copernicus GmbH

    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...

  • Open Access English
    Authors: 
    Pierre Brigode; Damien Lilas; Vazken Andréassian; Pierre Nicolle; Nicolas Le Moine; Charles Perrin; Sébastien Gremminger; Bénédicte Augeard;
    Publisher: HAL CCSD
    Country: France

    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...

  • Open Access
    Authors: 
    Raheb Gholami; Reza Ansari;
    Publisher: SciTech Solutions

    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...

  • Closed Access
    Authors: 
    Evi Elisa Ambarita; IR Harinaldi; Nasruddin;
    Publisher: Springer Science and Business Media LLC

    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...

  • Authors: 
    Joshua Snowdon; Kripa S. Singh; Gustavo M. Zanatta;
    Publisher: American Society of Civil Engineers (ASCE)

    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...

  • Authors: 
    Li, Fuxing; Wang, Wei; Yin, Yuanyuan; Zhang, Shiyan;
    Publisher: Informa UK Limited

    The Source Region of Three Rivers (SRTR) has experienced wetter summer seasons than before in recent decades due to climate change. As the most important source of surface water, precipitation play...

  • Open Access
    Authors: 
    moharam bahramkhoo; K Javaherdeh; Farideh Atabi; Aboulghasem emamzadeh;
    Publisher: SciTech Solutions

    In the present study, a novel trombe wall-assisted desiccant wheel system has been modeled, in which the trombe wall is divided into three equal parts and it provides the heat energy needed to regenerate the desiccant wheel. The components of the system, including the d...

  • Closed Access
    Authors: 
    Bastien Richard; Bruno Bonté; Olivier Barreteau; Isabelle Braud;
    Publisher: Informa UK Limited

    Le fonctionnement des reseaux d'irrigation collectifs est de plus en plus contraint par l'introduction de nouveaux dispositifs de gestion de la ressource en eau visant a reguler leur demande. Certains reseaux collectifs s'adaptent en modifiant leur mode d'organisation p...

  • Closed Access
    Authors: 
    Thirel, Guillaume; Gerlinger, Kai; Perrin, Charles; Drogue, Gilles; Renard, Benjamin; Wagner, Jean-Pierre;
    Publisher: EDP Sciences

    Le projet MOSARH21 a réalisé une évaluation des effets du changement climatique anthropique sur les débits des affluents français du Rhin grâce à des projections climatiques récentes (expérience CMIP5). La démarche s'appuie sur deux modèles hydrologiques, GRSD et LARSIM...

  • Closed Access
    Authors: 
    Wei Chen; Chang-Kyu Rheem; Xiaobin Li; Yongshui Lin;
    Publisher: Springer Science and Business Media LLC

    A spring mounted rotating cylinder placed in flow is investigated using a two-dimensional newly improved discrete vortex method at Reynolds number of 105. In this study, the non-dimensional rotation rate, $$\alpha$$ (rate of the cylinder surface velocity and flow veloci...

  • Closed Access
    Authors: 
    Shuangshuang Fan; Chenzhan Liu; Bo Li; Yuanxin Xu; Wen Xu;
    Publisher: Springer Science and Business Media LLC

    Underwater docking technology makes the long-term, on-station vehicle deployment possible, which can effectively save the recovery cost and ease the operational burden. To perform docking mission, autonomous underwater vehicle (AUV) should have the capability to guide, ...

  • Open Access
    Authors: 
    Narayan Kumar Shrestha; Junye Wang;
    Publisher: International Society for Environmental Information Science (ISEIS)

    Cold climate regions provide a multitude of ecosystem services. However, cold regions under a changing climate could be more vulnerable than others because their glaciers, freezing soils and peatlands are sensitive to the slightest of changes in climate. This has posed ...

  • Closed Access
    Authors: 
    Tianli Guo; Songbai Song; Jihai Shi; Jun Li;
    Publisher: Wiley

    Accurate groundwater depth forecasting is particularly important for human life and sustainable groundwater management in arid and semi-arid areas. To improve the groundwater forecasting accuracy, in this paper, a hybrid groundwater depth forecasting model using configu...

  • Open Access English
    Authors: 
    M. Launay; Jérôme Le Coz; Seydina Diouf; Benoît Camenen; Fabien Thollet; Marina Coquery;
    Publisher: HAL CCSD
    Country: France

    International audience; The Arve River is the main contributor of the suspended particulate matter (SPM) flux to the Rhône River between Lake Geneva and the city of Lyon. A reliable evaluation of the Arve River average delivery is crucial for the knowledge and managemen...