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1

Estimating capital costs of wastewater treatment plants at the strategical level

Pinheiro, Alexandre, Cabral, Marta, Antunes, Sara, Brôco, Nuno, Covas, Dídia

Journal:

Urban Water Journal

Year:

2018

Language:

english

File:

PDF, 1.85 MB

english, 2018

2

Moving urban water infrastructure asset management from science into practice

Leitão, João P., Coelho, Sérgio T., Alegre, Helena, Cardoso, Maria A., Silva, Maria S., Ramalho, Pedro, Ribeiro, Rita, Covas, Dídia, Poças, Ana, Vitorino, Diogo, Almeida, Maria C., Carriço, Nelson

Journal:

Urban Water Journal

Year:

2014

Language:

english

File:

PDF, 404 KB

english, 2014

3

Ball Valve Behavior under Steady and Unsteady Conditions

Ferreira, João Paulo B. C. C., Martins, Nuno M. C., Covas, Dídia I. C.

Journal:

Journal of Hydraulic Engineering

Year:

2018

Language:

english

File:

PDF, 2.12 MB

english, 2018

4

Detecting leaks in pressurised pipes by means of transients

Brunone, Bruno, Ferrante, Marco, Covas, Dídia, Ramos, Helena, De Almeida, António Betâmio

Journal:

Journal of Hydraulic Research

Year:

2004

Language:

english

File:

PDF, 106 KB

english, 2004

5

How to assess the effectiveness of energy management processes in water supply systems

Carriço, Nelson, Covas, Dídia, Alegre, Helena, do Céu Almeida, Maria

Journal:

Journal of Water Supply: Research and Technology-AQUA Online

Year:

2014

Language:

english

File:

PDF, 343 KB

english, 2014

6

Improved Assessment of Energy Recovery Potential in Water Supply Systems with High Demand Variation

Monteiro, Laura, Delgado, João, Covas, Dídia

Journal:

Year:

2018

Language:

english

File:

PDF, 2.77 MB

english, 2018

7

Maximum transient pressures in a rapidly filling pipeline with entrapped air using a CFD model

Martins, Nuno M. C., Delgado, Joao N., Ramos, Helena M., Covas, Dídia I. C.

Journal:

Journal of Hydraulic Research

Year:

2017

Language:

english

File:

PDF, 2.94 MB

english, 2017

8

Case Studies of Leak Detection and Location in Water Pipe Systems by Inverse Transient Analysis

Covas, Dídia, Ramos, Helena

Journal:

Journal of Water Resources Planning and Management

Year:

2010

Language:

english

File:

PDF, 5.25 MB

english, 2010

9

Velocity-distribution in pressurized pipe flow using CFD: Accuracy and mesh analysis

Martins, Nuno M.C., Carriço, Nelson J.G., Ramos, Helena M., Covas, Dídia I.C.

Journal:

Computers & Fluids

Year:

2014

Language:

english

File:

PDF, 3.48 MB

english, 2014

10

A utility-tailored methodology for integrated asset management of urban water infrastructure

Alegre, Helena, Coelho, Sérgio T., Covas, Dídia I. C., Almeida, Maria do Céu, Cardoso, Adriana

Journal:

Water Science & Technology Water Supply

Year:

2013

Language:

english

File:

PDF, 351 KB

english, 2013

11

A comprehensive and well tested energy balance for water supply systems

Mamade, Aisha, Loureiro, Dália, Alegre, Helena, Covas, Dídia

Journal:

Urban Water Journal

Year:

2017

Language:

english

File:

PDF, 2.09 MB

english, 2017

12

Damping Analysis of Hydraulic Transients in Pump-Rising Main Systems

Soares, Alexandre Kepler, Covas, Dídia I. C., Ramos, Helena M.

Journal:

Journal of Hydraulic Engineering

Year:

2013

Language:

english

File:

PDF, 1.97 MB

english, 2013

13

Standing Wave Difference Method for Leak Detection in Pipeline Systems

Covas, Dídia, Ramos, Helena, de Almeida, A. Betâmio

Journal:

Journal of Hydraulic Engineering

Year:

2005

Language:

english

File:

PDF, 594 KB

english, 2005

14

[American Society of Civil Engineers Eighth Annual Water Distribution Systems Analysis Symposium (WDSA) - Cincinnati, Ohio, United States (August 27-30, 2006)] Water Distribution Systems Analysis Symposium 2006 - Water Infrastructure Asset Management: A Methodology to Define Investment Prioritization

Alegre, Helena, Covas, Dídia, Monteiro, António Jorge, Duarte, Patrícia

Year:

2008

Language:

english

File:

PDF, 558 KB

english, 2008

15

Modelling Sewer Systems Costs with Multiple Linear Regression

Marchionni, Valentina, Lopes, Nuno, Mamouros, Luis, Covas, Dídia

Journal:

Water Resources Management

Year:

2014

Language:

english

File:

PDF, 1.44 MB

english, 2014

16

Direct backward transient analysis for leak detection in pressurized pipelines: from theory to real application

Haghighi, Ali, Covas, Didia, Ramos, Helena

Journal:

Journal of Water Supply: Research and Technology-AQUA Online

Year:

2012

Language:

english

File:

PDF, 543 KB

english, 2012

17

Experimental distinction of damping mechanisms during hydraulic transients in pipe flow

Ferràs, David, Manso, Pedro A., Schleiss, Anton J., Covas, Dídia I.C.

Journal:

Journal of Fluids and Structures

Year:

2016

Language:

english

File:

PDF, 2.81 MB

english, 2016

18

Fluid-structure interaction in straight pipelines with different anchoring conditions

Ferras, David, Manso, Pedro A., Schleiss, Anton J., Covas, Dídia I.C.

Journal:

Journal of Sound and Vibration

Year:

2017

Language:

english

File:

PDF, 2.30 MB

english, 2017

19

Top-Down and Bottom-Up Approaches for Water-Energy Balance in Portuguese Supply Systems

Mamade, Aisha, Loureiro, Dália, Alegre, Helena, Covas, Dídia

Journal:

Year:

2018

Language:

english

File:

PDF, 1.85 MB

english, 2018

20

Water Supply System Performance for Different Pipe Materials Part I: Water Quality Analysis

Silja Tamminen, Helena Ramos, Didia Covas

Journal:

Water Resources Management

Year:

2008

Language:

english

File:

PDF, 1.15 MB

english, 2008

21

Water Supply System Performance for Different Pipe Materials Part II: Sensitivity Analysis to Pressure Variation

Helena Ramos, Silja Tamminen, Dídia Covas

Journal:

Water Resources Management

Year:

2009

Language:

english

File:

PDF, 2.39 MB

english, 2009

22

Leak detection by inverse transient analysis in an experimental PVC pipe system

Soares, Alexandre Kepler, Covas, Dídia I. C., Reis, Luisa Fernanda R.

Journal:

Journal of Hydroinformatics

Year:

2011

Language:

english

File:

PDF, 982 KB

english, 2011

23

Transient vaporous cavitation in viscoelastic pipes

Soares, Alexandre K., Covas, Dídia I.C., Carriço, Nelson J.G.

Journal:

Journal of Hydraulic Research

Year:

2012

Language:

english

File:

PDF, 1.09 MB

english, 2012

24

Stress–strain analysis of a toric pipe for inner pressure loads

Ferràs, David, Covas, Dídia I.C., Schleiss, Anton J.

Journal:

Journal of Fluids and Structures

Year:

2014

Language:

english

File:

PDF, 2.80 MB

english, 2014

25

Energy Auditing as a Tool for Outlining Major Inefficiencies: Results from a Real Water Supply System

Mamade, Aisha, Sousa, Catarina, Marques, Ana, Loureiro, Dália, Alegre, Helena, Covas, Dídia

Journal:

Procedia Engineering

Year:

2015

Language:

english

File:

PDF, 1.34 MB

english, 2015

26

Surge damping analysis in pipe systems: modelling and experiments

Ramos, Helena, Covas, Dídia, Borga, Alexandre, Loureiro, Dálla

Journal:

Journal of Hydraulic Research

Year:

2004

Language:

english

File:

PDF, 8.24 MB

english, 2004

27

Management tools for hydro energy interventions in water supply systems

Frijns, Jos, Marchet, Enrique Cabrera, Carriço, Nelson, Covas, Dídia, Monteiro, Antonio J., Ramos, Helena M., Bolognesi, Andrea, Bragalli, Cristiana, Baki, Sotiria, Makropoulos, Christos

Journal:

Water Practice & Technology

Year:

2015

Language:

english

File:

PDF, 414 KB

english, 2015

28

Efficiency assessment of household water use

Vieira, Paula, Jorge, Catarina, Covas, Dídia

Journal:

Urban Water Journal

Year:

2018

Language:

english

File:

PDF, 2.05 MB

english, 2018

29

One-Dimensional Fluid–Structure Interaction Models in Pressurized Fluid-Filled Pipes: A Review

Ferras, David, Manso, Pedro, Schleiss, Anton, Covas, Dídia

Journal:

Applied Sciences

Year:

2018

Language:

english

File:

PDF, 1.39 MB

english, 2018

30

Estimation of costs for monitoring urban water and wastewater networks

Cabral, Marta, Loureiro, Dália, Céu Almeida, Maria do, Covas, Dídia

Journal:

Journal of Water Supply: Research and Technology-AQUA Online

Year:

2019

Language:

english

File:

PDF, 396 KB

english, 2019

31

Analysis of PVC Pipe-Wall Viscoelasticity during Water Hammer

Soares, Alexandre Kepler, Covas, Dídia I., Reis, Luisa Fernanda

Journal:

Journal of Hydraulic Engineering

Year:

2008

Language:

english

File:

PDF, 328 KB

english, 2008

32

The dynamic effect of pipe-wall viscoelasticity in hydraulic transients. Part I—experimental analysis and creep characterization

Covas, Dídia, Stoianov, Ivan, Ramos, Helena, Graham, Nigel, Maksimovic, Cedo

Journal:

Journal of Hydraulic Research

Year:

2004

Language:

english

File:

PDF, 1.16 MB

english, 2004

33

The dynamic effect of pipe-wall viscoelasticity in hydraulic transients. Part II—model development, calibration and verification

Covas, Dídia, Stoianov, IvaN., Mano, Joao F., Ramos, Helena, Graham, Nigel, Maksimovic, Cedo

Journal:

Journal of Hydraulic Research

Year:

2005

Language:

english

File:

PDF, 14.74 MB

english, 2005

34

Water hammer in pressurized polyethylene pipes: conceptual model and experimental analysis

Covas, Dídia, Stoianov, Ivan, Ramos, Helena, Graham, Nigel, Maksimović, Čedo, Butler, David

Journal:

Urban Water Journal

Year:

2004

Language:

english

File:

PDF, 2.09 MB

english, 2004

35

Parameters affecting water-hammer wave attenuation, shape and timing—Part 1: Mathematical tools

Bergant, Anton, Tijsseling, Arris S., Vítkovský, John P., Covas, Dídia I.C., Simpson, Angus R., Lambert, Martin F.

Journal:

Journal of Hydraulic Research

Year:

2008

Language:

english

File:

PDF, 160 KB

english, 2008

36

Parameters affecting water-hammer wave attenuation, shape and timing—Part 2: Case studies

Bergant, Anton, Tijsseling, Arris S., Vítkovský, John P., Covas, Dídia I.C., Simpson, Angus R., Lambert, Martin F.

Journal:

Journal of Hydraulic Research

Year:

2008

Language:

english

File:

PDF, 402 KB

english, 2008

37

Surge damping analysis in pipe systems: modelling and experiments

Ramos, Helena, Covas, Dídia, Borga, Alexandre, Loureiro, Dália

Journal:

Journal of Hydraulic Research

Year:

2004

Language:

english

File:

PDF, 270 KB

english, 2004

38

Solution for the Closed-Loop Problem in Pressurized Multipipe Systems

de Almeida, António Betâmio, Cameira Covas, Dídia Isabel

Journal:

Journal of Hydraulic Engineering

Year:

2007

Language:

english

File:

PDF, 775 KB

english, 2007

39

Closure to “Standing Wave Difference Method for Leak Detection in Pipeline Systems” by Dídia I. C. Covas, Helena M. Ramos, and António Betâmio de Almeida

Covas, Dídia I. C., Ramos, Helena M., de Almeida, António Betâmio

Journal:

Journal of Hydraulic Engineering

Year:

2008

Language:

english

File:

PDF, 639 KB

english, 2008

40

Closure to “Analysis of PVC Pipe-Wall Viscoelasticity during Water Hammer” by A. K. Soares, D. I. C. Covas, and L. F. R. Reis

Soares, Alexandre Kepler, Covas, Dídia I., Reis, Luisa Fernanda

Journal:

Journal of Hydraulic Engineering

Year:

2010

Language:

english

File:

PDF, 1.24 MB

english, 2010

41

Water Supply Infrastructure Cost Modelling

Marchionni, Valentina, Cabral, Marta, Amado, Conceição, Covas, Dídia

Journal:

Procedia Engineering

Year:

2015

Language:

english

File:

PDF, 412 KB

english, 2015

42

Assessment of Water use Efficiency in the Household Using Cluster Analysis

Jorge, Catarina, Vieira, Paula, Rebelo, Margarida, Covas, Dídia

Journal:

Procedia Engineering

Year:

2015

Language:

english

File:

PDF, 671 KB

english, 2015

43

Estimating Water Supply Infrastructure Cost Using Regression Techniques

Marchionni, Valentina, Cabral, Marta, Amado, Conceição, Covas, Dídia

Journal:

Journal of Water Resources Planning and Management

Year:

2016

Language:

english

File:

PDF, 899 KB

english, 2016

44

CFD modeling of transient flow in pressurized pipes

Martins, Nuno M.C., Soares, Alexandre K., Ramos, Helena M., Covas, Dídia I.C.

Journal:

Computers & Fluids

Year:

2016

Language:

english

File:

PDF, 3.40 MB

english, 2016

45

Investigation of Transient Vaporous Cavitation: Experimental and Numerical Analyses

Soares, Alexandre K., Martins, Nuno, Covas, Dídia I.C.

Journal:

Procedia Engineering

Year:

2015

Language:

english

File:

PDF, 1.28 MB

english, 2015

46

Novel Performance Assessment Indices for Domestic Water Use

Vieira, Paula, Jorge, Catarina, Covas, Dídia

Journal:

Procedia Engineering

Year:

2015

Language:

english

File:

PDF, 375 KB

english, 2015

47

A Comprehensive Approach for Spatial and Temporal Water Demand Profiling to Improve Management in Network Areas

Loureiro, Dália, Mamade, Aisha, Cabral, Marta, Amado, Conceição, Covas, Dídia

Journal:

Water Resources Management

Year:

2016

Language:

english

File:

PDF, 991 KB

english, 2016

48

Modelling chlorine residual decay as influenced by temperature

Monteiro, Laura, Viegas, Rui M.C., Covas, Dídia I.C., Menaia, José

Journal:

Water and Environment Journal

Year:

2015

Language:

english

File:

PDF, 329 KB

english, 2015

49

Assessment of Current Models Ability to Describe Chlorine Decay and Appraisal of Water Spectroscopic Data as Model Inputs

Monteiro, Laura Sofia Pereira Pinto, Viegas, Rui Manuel Carvalho, Covas, Dídia Isabel Cameira, Menaia, José António Gomes Ferreira

Journal:

Journal of Environmental Engineering

Year:

2016

Language:

english

File:

PDF, 2.81 MB

english, 2016

50

Fluid-structure interaction in straight pipelines: Friction coupling mechanisms

Ferràs, David, Manso, Pedro A., Schleiss, Anton J., Covas, Dídia I.C.

Journal:

Computers & Structures

Year:

2016

Language:

english

File:

PDF, 3.40 MB

english, 2016

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