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An approach to models for the design of upflow anaerobic filters 上流式厌氧过滤器设计模型的探讨
IF 1.2
Journal of Applied Water Engineering and Research Pub Date : 2021-04-03 DOI: 10.1080/23249676.2020.1831972
A. M. Márquez R., J. I. Maldonado M., E. Guevara P., D. J. Rey L., S. A. Pérez P.
{"title":"An approach to models for the design of upflow anaerobic filters","authors":"A. M. Márquez R., J. I. Maldonado M., E. Guevara P., D. J. Rey L., S. A. Pérez P.","doi":"10.1080/23249676.2020.1831972","DOIUrl":"https://doi.org/10.1080/23249676.2020.1831972","url":null,"abstract":"In this paper, a novel categorization system of anaerobic reactors is created to frame novel upflow anaerobic filter (UAF) reactor separated into two stages (UAF-2SS) and three separated stages (UAF-3SS). Three models for the performance of UAF-2SS and UAF-3SS reactors are proposed: (1) Modified model of the Monod’s Equation for estimating the substrate utilization rate (SUR) whose kinetic coefficient explains intracellular processes, (2) Model for biochemical transformation of substrate based on the Monod’s Equation and the Velz’s Law where the kinetic coefficient is associated to extra and intracellular processes and (3) Coupled model for transport and biochemical transformation processes integrated by two components depending on extracellular processes (adsorption and hydrolysis) and intracellular processes (fermentation/anaerobic oxidation, acidogenesis and methanogenesis). The highest degree of explanation of the proposed kinetic models for performance of UAF-2SS and UAF-3SS in the substrate removal is achieved through the coupled model.","PeriodicalId":51911,"journal":{"name":"Journal of Applied Water Engineering and Research","volume":null,"pages":null},"PeriodicalIF":1.2,"publicationDate":"2021-04-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1080/23249676.2020.1831972","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"48731535","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 14
Modeling excess shear stress around tandem piers of the longitudinal bridge by computational fluid dynamics 用计算流体力学方法模拟纵向桥梁串联桥墩周围的超剪应力
IF 1.2
Journal of Applied Water Engineering and Research Pub Date : 2021-03-04 DOI: 10.1080/23249676.2021.1884614
Hongliang Qi, Junxing Zheng, Chenguang Zhang
{"title":"Modeling excess shear stress around tandem piers of the longitudinal bridge by computational fluid dynamics","authors":"Hongliang Qi, Junxing Zheng, Chenguang Zhang","doi":"10.1080/23249676.2021.1884614","DOIUrl":"https://doi.org/10.1080/23249676.2021.1884614","url":null,"abstract":"This study investigates the excess shear stress field around tandem piers of longitudinal bridge based on Computational Fluid Dynamics (CFD). The excessive shear stress field of the single pier is used as a reference to analyze the excessive stress distribution of tandem piers. The excessive shear stress field behind a single pier is divided into three areas: vortex area (0–16.5D, where D is the diameter of the pier), recovery area (16.5D to 35.5D), and stable area (longer than 35.5D). If the downstream piers are located in the vortex areas, sheltering effects occur due to the accumulation of Kármán vortex streets. This reduces the excess shear stress between piers. If the downstream piers are located in the recovery areas, sheltering effects decrease. If the downstream piers are located in the stable areas, the sheltering effects is insignificant and the excess shear stress field around each pier becomes independent.","PeriodicalId":51911,"journal":{"name":"Journal of Applied Water Engineering and Research","volume":null,"pages":null},"PeriodicalIF":1.2,"publicationDate":"2021-03-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1080/23249676.2021.1884614","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"47736717","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Characterization and analysis of sediments in stormwater drainage for reuse 雨水排放中沉积物的表征和分析
IF 1.2
Journal of Applied Water Engineering and Research Pub Date : 2021-03-04 DOI: 10.1080/23249676.2021.1884618
C. Peña-Guzmán, J. Cárdenas, A. Pérez, A. Torres, Karen Mora-Cabrera
{"title":"Characterization and analysis of sediments in stormwater drainage for reuse","authors":"C. Peña-Guzmán, J. Cárdenas, A. Pérez, A. Torres, Karen Mora-Cabrera","doi":"10.1080/23249676.2021.1884618","DOIUrl":"https://doi.org/10.1080/23249676.2021.1884618","url":null,"abstract":"In this study, the potential utilization of sediments deposited in pluvial sanitation systems for engineering applications was investigated using the pluvial sub-basin occupied by the town of Puente Aranda for residential, commercial, and industrial land use in Bogotá city as a case study. The sediment samples were collected at different locations during three different climatic seasons to assess their physical and chemical characteristics. All samples contained more than 70% silt. The highest content ruthenium oxide, phosphorus oxide, potassium oxide, and titanium oxide corresponded with residential land use. Silica and calcium oxide dominate in areas of commercial land use. The results of this study demonstrate that sewer sediments can be used to manufacture Portland cement and pozzolans; however, the addition of calcium carbonate is necessary to increase the lime content in the extracted solids.","PeriodicalId":51911,"journal":{"name":"Journal of Applied Water Engineering and Research","volume":null,"pages":null},"PeriodicalIF":1.2,"publicationDate":"2021-03-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1080/23249676.2021.1884618","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"42366863","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Multi-objective optimization of water distribution system: a hybrid evolutionary algorithm 配水系统多目标优化:一种混合进化算法
IF 1.2
Journal of Applied Water Engineering and Research Pub Date : 2021-03-04 DOI: 10.1080/23249676.2021.1884613
Masoud Gheitasi, H. Kaboli, A. Keramat
{"title":"Multi-objective optimization of water distribution system: a hybrid evolutionary algorithm","authors":"Masoud Gheitasi, H. Kaboli, A. Keramat","doi":"10.1080/23249676.2021.1884613","DOIUrl":"https://doi.org/10.1080/23249676.2021.1884613","url":null,"abstract":"The optimal operation of water distribution systems is complicated due to multiple objectives that are in conflict, such as water quality versus cost. This work proposes to combine Strength Pareto Evolutionary Algorithm (SPEAII) with Multi-Objective Particle Swarm Optimization (MOPSO) algorithm, called MOPSO-SPEAII, to establish a multi-objective model which handles water quality, costs and storage-reliable requirement. The main idea is that genetic operators are combined with particle swarm operators such that the fitness of SPEAII results is evaluated using MOPSO. An optimization-simulation model is prepared by linking the hybrid algorithm with EPANET software, and it is employed for a typical case study from the literature. The model outcomes verify that the MOPSO-SPEAII is more stable compared to SPEAII in terms of closeness to global minimum and can be used as a robust decision tool. However, the model application for a real sized system increases the computational intensity of the model.","PeriodicalId":51911,"journal":{"name":"Journal of Applied Water Engineering and Research","volume":null,"pages":null},"PeriodicalIF":1.2,"publicationDate":"2021-03-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1080/23249676.2021.1884613","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"47791506","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Effects of toe configuration on throughflow properties of rockfill dams 坝趾形态对堆石坝通流特性的影响
IF 1.2
Journal of Applied Water Engineering and Research Pub Date : 2021-03-01 DOI: 10.1080/23249676.2021.1884615
G. H. Kiplesund, G. Ravindra, M. M. Rokstad, F. G. Sigtryggsdóttir
{"title":"Effects of toe configuration on throughflow properties of rockfill dams","authors":"G. H. Kiplesund, G. Ravindra, M. M. Rokstad, F. G. Sigtryggsdóttir","doi":"10.1080/23249676.2021.1884615","DOIUrl":"https://doi.org/10.1080/23249676.2021.1884615","url":null,"abstract":"Rockfill dams must be equipped with defence mechanisms to counteract the destabilizing effects of throughflow forces under accidental leakage scenarios. A key component of the rockfill dam overtopping system is the rockfill dam toe, constructed in tandem with the downstream rockfill shoulder. Quantitative descriptions of effects of different toe configurations on throughflow hydraulic properties of rockfill dams are currently unavailable in international literature. To address this, experimental investigations were conducted on 1 m high model rockfill dams with disparate toe configurations. Investigation outcomes describe the effects of internal, external and combined toe configurations on pore-pressure distributions within rockfill dam models subjected to throughflow conditions. Research outcomes provide vital information which can facilitate effective decision-making with regards to rockfill dam design. The accumulated data sets could also enable development, calibration and validation of numerical design tools and dam breach models.","PeriodicalId":51911,"journal":{"name":"Journal of Applied Water Engineering and Research","volume":null,"pages":null},"PeriodicalIF":1.2,"publicationDate":"2021-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1080/23249676.2021.1884615","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"43361334","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 7
Rainfall-runoff simulation using satellite rainfall in a scarce data catchment 利用卫星降雨在稀缺数据集水区进行降雨径流模拟
IF 1.2
Journal of Applied Water Engineering and Research Pub Date : 2021-03-01 DOI: 10.1080/23249676.2021.1884617
Peiman Parisouj, Taesam Lee, Hamid Mohebzadeh, Hadi Mohammadzadeh Khani
{"title":"Rainfall-runoff simulation using satellite rainfall in a scarce data catchment","authors":"Peiman Parisouj, Taesam Lee, Hamid Mohebzadeh, Hadi Mohammadzadeh Khani","doi":"10.1080/23249676.2021.1884617","DOIUrl":"https://doi.org/10.1080/23249676.2021.1884617","url":null,"abstract":"This study investigates the performance of TRMM and PERSIANN satellite rainfall data as input in a reliable rainfall-runoff model in order to provide information to the flood early warning for the Voshmgir Dam, Iran. Calibration of both continuous daily rainfall-runoff and an event-based flood was done using HEC-HMS Nelder-Mead (NM) method. Furthermore, simulations based on daily versus 3-hourly TRMM were compared to evaluate the effect of input time-step of rainfall-runoff model. Results show that the deficit and constant loss method is able to successfully predict the observed runoff. In addition, the Green-Ampt method using 3-hourly TRMM data showed a good capability to simulate daily peak discharges. The current study demonstrates the suitability of HEC-HMS for continuous and event-based runoff simulation in a complex watershed. Therefore, this research will have a significant contribution to the future development of water resources planning in this catchment in particular and in other data-scarce catchments.","PeriodicalId":51911,"journal":{"name":"Journal of Applied Water Engineering and Research","volume":null,"pages":null},"PeriodicalIF":1.2,"publicationDate":"2021-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1080/23249676.2021.1884617","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"45113139","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 4
Appraisal of Thanneermukkom bund as a coastal reservoir in Kuttanad, Kerala 喀拉拉邦库塔纳德沿海水库Thanneermukkom堤岸评价
IF 1.2
Journal of Applied Water Engineering and Research Pub Date : 2021-02-16 DOI: 10.1080/23249676.2021.1884612
S. Kolathayar, U. S. Amala Krishnan, T. Sitharam
{"title":"Appraisal of Thanneermukkom bund as a coastal reservoir in Kuttanad, Kerala","authors":"S. Kolathayar, U. S. Amala Krishnan, T. Sitharam","doi":"10.1080/23249676.2021.1884612","DOIUrl":"https://doi.org/10.1080/23249676.2021.1884612","url":null,"abstract":"This paper presents an overview of Thanneermukkom bund with its implications on water security in the region as a freshwater reservoir in the southwest coast of India. The bund was constructed in 1974 to convert southern part of brackish Vembanad Lake into a freshwater reservoir to augment agricultural activities. This paper reviews past studies on the bund and highlights the fact that it is a coastal reservoir though the term coastal reservoir became popular only in the last two decades. The bund divides the Vembanad Lake into a freshwater lake in the south and brackish water lake fed by the ocean in the north. This paper reviews the issues and challenges related to the inefficient operation of the bund and presents possible solutions. The paper proposes to restore this unique coastal reservoir to ensure freshwater supply for drinking and irrigation in the low lands of Kuttanad.","PeriodicalId":51911,"journal":{"name":"Journal of Applied Water Engineering and Research","volume":null,"pages":null},"PeriodicalIF":1.2,"publicationDate":"2021-02-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1080/23249676.2021.1884612","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"49159139","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 4
Estimation of excess water in the Sebou basin for an interbasin water transfer 塞布盆地跨流域调水过量水量估算
IF 1.2
Journal of Applied Water Engineering and Research Pub Date : 2021-01-02 DOI: 10.1080/23249676.2021.1884616
Oussama Laassilia, D. Ouazar, A. Bouziane, M. Hasnaoui
{"title":"Estimation of excess water in the Sebou basin for an interbasin water transfer","authors":"Oussama Laassilia, D. Ouazar, A. Bouziane, M. Hasnaoui","doi":"10.1080/23249676.2021.1884616","DOIUrl":"https://doi.org/10.1080/23249676.2021.1884616","url":null,"abstract":"This paper aims to estimate the unusable water in the Sebou basin (Morocco) with a view to transferring them to the Bouregreg basin. To this end, a hydrological model of Belksiri Basin (7744 km2, downstream part of Sebou) was elaborated. Then, several simulations were carried out to estimate the flow resulting from rainfall, with different return periods, in the Belksiri catchment. The model validation showed good results (NSE = 0.70, R 2 = 0.78). As for simulations of flow provoked by different return periods of the rainfall depth, the results showed that the peak flow increases from 916 m3/s for the return period T = 2–6744 m3/s for T = 100. This study clearly showed the possibility of the flow and route optimization related to the North to South Water Transfer Project (NSWTP) in Morocco. Indeed, the transfer flow can be increased from some 45 m3/s to 200 m3/s.","PeriodicalId":51911,"journal":{"name":"Journal of Applied Water Engineering and Research","volume":null,"pages":null},"PeriodicalIF":1.2,"publicationDate":"2021-01-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1080/23249676.2021.1884616","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"48149761","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Turbulent flow through a random rigid submerged vegetation over a sinusoidal bed 湍流通过随机刚性淹没植被在正弦河床
IF 1.2
Journal of Applied Water Engineering and Research Pub Date : 2020-12-07 DOI: 10.1080/23249676.2020.1844602
P. Chakraborty, A. Sarkar
{"title":"Turbulent flow through a random rigid submerged vegetation over a sinusoidal bed","authors":"P. Chakraborty, A. Sarkar","doi":"10.1080/23249676.2020.1844602","DOIUrl":"https://doi.org/10.1080/23249676.2020.1844602","url":null,"abstract":"The present study investigates turbulent flow over a periodic small amplitude bed form with rigid submerged vegetation. The equations governing the flow are formulated using Biot’s poro-elasticity theory. Further, the Reynolds stress is modeled employing a linear term of the velocity gradient. Governing equations for vegetated and non-vegetated layers are non-dimensionalized and a perturbation parameter is identified. The leading order equation is solved employing power series method and first order equation is solved semi-analytically. The velocity components in the flow and transverse directions and the vertical shear stress distribution are evaluated. The velocity measurements are also carried out within the array over the perturbed bed using acoustic Doppler velocimeter. The experimental results are utilized to develop a correlation for the unknown coefficient present in the shear stress model, which is adopted for modelling the Reynolds stress.","PeriodicalId":51911,"journal":{"name":"Journal of Applied Water Engineering and Research","volume":null,"pages":null},"PeriodicalIF":1.2,"publicationDate":"2020-12-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1080/23249676.2020.1844602","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"45640985","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Decision support for scenario analysis in a complex water resource project 复杂水资源项目情景分析的决策支持
IF 1.2
Journal of Applied Water Engineering and Research Pub Date : 2020-11-19 DOI: 10.1080/23249676.2020.1844604
Rimpa Jaiswal, A. K. Lohani, R. Galkate
{"title":"Decision support for scenario analysis in a complex water resource project","authors":"Rimpa Jaiswal, A. K. Lohani, R. Galkate","doi":"10.1080/23249676.2020.1844604","DOIUrl":"https://doi.org/10.1080/23249676.2020.1844604","url":null,"abstract":"Multi-criteria decision support (MCDS) was developed and demonstrated for a complex reservoir system for a comprehensive assessment of performance for a complex reservoir system. A management model for the Tandula complex system in India was developed in MIKE HYDRO Basin. This system has three interconnected reservoirs, three irrigation commands, and one industrial user. The results from simulations were analyzed in multi-criteria decision support using an economic and six performance indicators to get a comprehensive performance index for the system. The results of the analysis confirmed that the yearly deficit of the Tandula command maybe about 6.36 MCM with 88% reliability under the present efficiency of 51% and no groundwater use (SCN-1). The comprehensive performance index for scenario SCN-1 was 0.13 which can be increased to 0.86 by increasing efficiencies and consumptive use. Abbreviations: AHP: Analytical hierarchical process; ANN: Artificial Neural Network; BSP: Bhilai Steel Plant; CEA: Cost effectiveness analysis; DAPP: Dynamic adaptive policy pathways; DS: Decision scaling; GW: Groundwater; Ha: Hectare; MORDM: Many objective robust decision making; MOVA: Many-objective visual analytics; MCDA: Multi Criteria Decision Analysis; MCM: Million cubic meter; MCDA: Multi-criteria decision analysis; NB-DSS: Nile Basin Decision Support System; ROA: Real options analysis; RRV: Reliability, resilience, vulnerability; RDM: Robust decision making; WEAP: Water Evaluation and Planning; SCN: Scenario; VIDEO Visually interactive decision-making and design using evolutionary multi-objective optimization","PeriodicalId":51911,"journal":{"name":"Journal of Applied Water Engineering and Research","volume":null,"pages":null},"PeriodicalIF":1.2,"publicationDate":"2020-11-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1080/23249676.2020.1844604","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"42668174","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
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