A mathematical model for the determination of lekage in mains and water distribution networksKoppel, Tiit; Ainola, Leo; Puust, RaidoProceedings of the Estonian Academy of Sciences. Engineering2007 / 1, p. 3-16 : ill

A review of methods for leakage management in pipe networksPuust, Raido; Kapelan, Zoran; Savic, D. A.; Koppel, TiitUrban water journal2010 / 1, p. 25-45 : ill https://www.researchgate.net/publication/235694708_A_review_of_methods_for_leakage_management_in_pipe_networks

A study on relationships between forcing factors and morphological parameters of outlet areas of some rivers flowing into the Estonian coastal seaKoppel, Tiit; Laanearu, JanekRiver basin management III : Third International Conference on River Basin Management2005 / p. 225-235 : ill

An inverse approach for leakage identification in water distribution systemsKoppel, Tiit; Puust, Raido; Ainola, LeoXXIII Nordic Hydrological Conference ["Fresh Water Resources Management"] : Tallinn, Estonia, 8-12 August 2004 : selected articles. Vol. I2004 / p. 342-349 : ill https://artiklid.elnet.ee/record=b2343456*est

An investigation of shear stresses on the wall of the pipe at the stating from rest of liquid by means of the thermo-anemometerLiiv, Uno; Koppel, TiitProceedings of the Dynamic Flow Conference 1978 on Dynamic Measurements in Unsteady Flows : I.M.S.T., Marseille, France, September 11 - 14, 19781979 / p. ?

An investigation of turbulence generation and wall shear stress spectral analysis during unsteady flow in tubesAinola, Leo; Koppel, Tiit; Liiv, UnoXVIII IAHR Congress : Cagliari, Italia, 10 - 14 Sept. 1979 : 3, Proceedings, Subject B : Mass and heat exchange in hydraulic phenomena1979 / p. 165-172

Analysis of the water flow in the water distribution system from point view of hydraulic energyKoppel, Tiit; Vassiljev, AnatoliProceedings of the International Conference "Hydraulics (Science and Discipline)"2004 / p. 46-47

Application of IR thermography for unsteady fluid-flow researchKoppel, Tiit; Lähdeniemi, Matti; Ekholm, AriThermosense XX, 14-16 April 1998, Orlando, Florida : [proceedings]1998 / p. 40-48: ill

Background leakage assessment for BBLAWNVassiljev, Anatoli; Koppel, Tiit; Puust, RaidoProcedia engineering2014 / p. 111-117 : ill

Battle of the water calibration networksOstfeld, Avi; Koppel, Tiit; Vassiljev, AnatoliJournal of water resources planning and management2012 / p. 523-532 : ill https://ascelibrary.org/doi/10.1061/%28ASCE%29WR.1943-5452.0000191

Boundary layer with heat load in transitional accelerating pipe flowAinola, Leo; Ekholm, Ari; Koppel, Tiit; Lähdeniemi, Matti; Puust, RaidoHydrodynamics V. Volume 1, Theory and applications : proceedings of the fifth International Conference on Hydrodynamics : Tainan, Oct. 31 - Nov. 2, 20022002 / p. 523-528 : ill

Calibration of a model of an operational water distribution system containing pipes of different ageKoppel, Tiit; Vassiljev, AnatoliAdvances in engineering software2009 / 8, p. 659-664 : ill

Calibration of the model of an operational water distribution systemVassiljev, Anatoli; Koppel, Tiit; Puust, RaidoCCWI 2005 : proceedings of the Eighth International Conference on Computing and Control for the Water Industry : Exeter, UK. Volume 12005 / p. 155-159 : ill

Calibration of the model of an operational water distribution systemVassiljev, Anatoli; Koppel, TiitProceedings of the Fifth International Conference on Engineering Computational Technology2006 / Paper 155 [10] p. : ill

Calibration of the model of an operational water distribution systemKoppel, Tiit; Vassiljev, AnatoliWorld Water Congress : Vienna, Austria, 7-12 September 20082008 / [8] p

Calibration of the water distribution network modelKoppel, Tiit; Kändler, Nils; Vassiljev, AnatoliProc. of the Conference "Water Resources Management 2001"2001 / p. 207-217

Calibration of water distribution network for BWCNKoppel, Tiit; Vassiljev, AnatoliWater Distribution System Analysis 2010 : WDSA2010 : Tucson, AZ, USA, Sept. 12-15, 20102010 / [10] p.: ill

Complex approach to the water network model calibration and the leakage distributionAinola, Leo; Koppel, Tiit; Vassiljev, AnatoliHydraulic Engineering Software VIII : [Eighth International Conference on Hydraulic Engineering Software : HYDROSOFT 2000]2000 / p. 91-100 : ill

Construction of water network modelKändler, Nils; Koppel, Tiit; Vassiljev, Anatoli4th International Congress and Trade Fair "Water : Ecology and Technology" : ECWATECH-2000 : Moscow, 30 May - 2 June 2000 : abstracts2000 / p. 246-247

Correction of demand patterns on the basis of pressure measurementsKoppel, Tiit; Vassiljev, AnatoliProceedings of the Thirteenth International Conference on Civil, Structural and Environmental Engineering Computing : Chania, Crete, Greece, 6–9 September 20112011 / [9] p https://www.researchgate.net/publication/269133085_Correction_of_Demand_Patterns_on_the_Basis_of_Pressure_Measurements

Database driven hydraulic model creation procedureKoor, Margus; Puust, Raido; Vassiljev, Anatoli; Koppel, TiitWDSA 2012 : 14th Water Distribution Systems Analysis Conference : 24-27 September 2012 in Adelaide, South Australia2012 / p. 407-414

Determination of water distribution network resistance coefficient and hydraulic capacityVaabel, Joonas; Koppel, Tiit; Sarv, Laur; Annus, IvarProcedia engineering2014 / p. 679-684 : ill

Development of accelerating pipe flow starting from restAnnus, Ivar; Koppel, Tiit; Sarv, Laur; Ainola, LeoJournal of fluids engineering2013 / p. 111204-1 - 111204-10 : ill

Development of accelerating pipe flow starting from rest = Paigalseisust algava kiireneva voolamise areng torusAnnus, Ivar; Koppel, Tiit2011 http://www.ester.ee/record=b2723494*est

Development of radial velocity component in accelerating start-up pipe flowAnnus, Ivar; Koppel, TiitEuropean journal of mechanics B. Fluids2015 / p. 48-54 : ill

Diurnal dynamic analysis of water distribution networksAinola, Leo; Koppel, Tiit; Kändler, NilsAdvances in Water Supply Management : proceedings of the International Conference on Computing and Control for the Water Industry, 15-17 September 2003, London, UK2003 / p. 165-171 : ill

Diurnal dynamics effect on freezing of urban water systemKoppel, Tiit; Ainola, Leo1st UNESCO IHP VI Workshop : Integrated Urban Water Management in Cold Climate : NTNU, Trondheim, Norway, November 3-4, 2005 : book of abstracts2005 / p. 79-80

Education of civil engineering in Tallinn Technical University [Electronic resource]Koppel, Tiit; Õiger, Karl; Laur, ToomasProceedings of the I International Meeting in Civil Engineering Education, Spain, Ciudad Real, 20032003 / [10] p. [CD-ROM]

Educational problems of civil engineering at Tallinn University of TechnologyÕiger, Karl; Koppel, Tiit; Laur, ToomasITHET 2004 : proceedings of the Fifth International Conference on Information Technology based Higher Education and Training : 31 May - 2 June, 2004, Istanbul, Turkey2004 / p. 434-436

Effects of bottom-height changes on maximal exchange-flow estimates in channels with quadratic shape cross sectionsLaanearu, Janek; Davies, Peter A.; Koppel, TiitProceedings of 32nd Congress of IAHR : Venice, Italy, July 1-6, 20072007 / ? p https://www.iahr.org/library/infor?pid=15300

Ehitiste tuleohutusRandmaa, Toomas; Suurkask, Valdu; Koppel, Tiit2005 https://www.ester.ee/record=b2043887*est

Emptying of large-scale pipeline by pressurized airLaanearu, Janek; Annus, Ivar; Koppel, Tiit; Bergant, Anton; Vučkovic, Sašo; Hou, Qingzhi; Tijsseling, Arris S.; Anderson, Alexander; Westende, Jos M.C.van'tJournal of hydraulic engineering2012 / p. 1090-1100 : ill

Energetic optimization by rehabilitation of oversized water distribution networksAinola, Leo; Koppel, Tiit; Kändler, NilsPumps, electromechanical devices and systems applied to urban water management. Volume 12003 / p. 3-9

Energy-based analysis for rehabilitation of water distribution networksAinola, Leo; Koppel, Tiit; Vassiljev, AnatoliProceedings of the EWA/AGHTM Conference "Operation and Maintenance of Sewer and Water Pipes", Paris, 20032003 / p. 163-175

Estimation of real-time demands on the basis of pressure measurementsVassiljev, Anatoli; Koppel, TiitProceedings of the Eight International Conference on Engineering Computational Technology2012 / Paper 54, [9] p.: ill

Estimation of real-time demands on the basis of pressure measurements by different optimization methodsVassiljev, Anatoli; Koppel, TiitAdvances in engineering software2015 / p. 67-71 : ill

Estimation of real-time water fluxes in water distribution system on the basis of pressure measurementsKoppel, Tiit; Vassiljev, AnatoliAdvances in engineering software2013 / p. 19-23 : ill

Experience in modeling of water supply systemsKoppel, Tiit; Vassiljev, AnatoliCongress publications of ECWATECH-2004 : 1-4 June 2004, Moscow. 22004 / p. 912

Experience of calibration of model of water supply systemAinola, Leo; Koppel, Tiit; Kändler, Nils; Vassiljev, Anatoli5th International Congress ECWATECH-2002, Moscow : abstracts2002 / p. 214-215

Experimental data processing system for unsteady flow studiesAinola, Leo; Koppel, Tiit; Lamp, Jürgen; Liiv, UnoXIX IAHR Congress, New Delhi, India, 2-7 February 1981 : proceedings = XIX Congrès de l'AIRH, New Delhi, Inde, 2-7 février 1981 ; Vol. 5: Subject D1981 / p. 535-544

Experimental investigation on rapid filling of a large-scale pipelineHou, Qingzhi; Tijsseling, Arris S.; Laanearu, Janek; Annus, Ivar; Koppel, TiitJournal of hydraulic engineering2014 / p. 1-14 : ill

Experimental investigation on rapid filling of a large-scale pipelineHou, Qingzhi; Tijsseling, Arris S.; Laanearu, Janek; Annus, Ivar; Koppel, Tiit2013

Experimental study of filling and emptying of a large-scale pipelineHou, Qingzhi; Tijsseling, Arris S.; Laanearu, Janek; Annus, Ivar; Koppel, Tiit; Bergant, Anton; Vučkovič, S.; Gale, Janez; Anderson, A.; Westende, Jos M.C.van't; Pandula, Zoltan; Ruprecht, A.2012 https://www.researchgate.net/publication/254810149_Experimental_study_of_filling_and_emptying_of_a_large-scale_pipeline

Experiments on unsteady separating flow in an open channelKoppel, Tiit1981

Generation of zonal transport by weakly nonlinear Rossby wavesSoomere, Tarmo; Koppel, TiitXXVIII IAHR Congress : 22-27 August, Graz : proceedings [CD-ROM]1999 / [7] p

Heat transfer by a pulsating flow in thermally developing region of a pipeAinola, Leo; Ekholm, Ari; Koppel, Tiit; Lähdeniemi, MattiProgress in engineering heat transfer1999 / p. 249-256

Heat transfer in the thermally developing region for pulsating tube flowAinola, Leo; Koppel, Tiit; Lähdeniemi, MattiProceedings of the Estonian Academy of Sciences. Engineering1999 / 1, p. 41-52: ill

Heat transfer investigation in pipe by IR-thermographyKoppel, Tiit; Ainola, Leo; Ekholm, Ari; Lähdeniemi, MattiThermosense XXII : 25-27 April 2000, Orlando, Florida : proceedings2000 / p. 267-275 : ill

Heat transfer investigation of pulsating and accelerated pipe flow by IR-thermographyLähdeniemi, Matti; Ainola, Leo; Koppel, Tiit; Ekholm, AriHydrodynamics IV : Theory and Applications : proceedings of the Fourth International Conference on Hydrodynamics : Yokohama, 7-9 September 2000. Vol. II2000 / p. 913-918 : ill

Hüdraulika ja pumbadMaastik, Aleksander; Haldre, Heiti; Koppel, Tiit; Paal, Leopold1995 https://www.ester.ee/record=b1068996*est

Hüdraulika ülesannete kogu1993 http://www.ester.ee/record=b1064669*est

Hydraulic power analysis for determination of characteristics of a water distribution system [Electronic resource]Vaabel, Joonas; Ainola, Leo; Koppel, Tiit8th Annual Water Distribution Systems Analysis Symposium : proceedings of WDSA 2006 : [Cincinnati, Ohio, USA], August 27-30, 20062006 / [9] p. : ill. [CD-ROM]

Hydraulic power analysis of flows in water distribution networkKoppel, Tiit; Ainola, Leo; Vassiljev, AnatoliCCWI 2005 : proceedings of the Eighth International Conference on Computing and Control for the Water Industry : Exeter, UK. Volume 12005 / p. 317-322

Hydraulic power capacity of water supply systems = Veevõrkude hüdrauliline võimsusVaabel, Joonas2013 https://www.ester.ee/record=b2970192*est

Identification of transition to turbulence in a highly accelerated start-up pipe flowKoppel, Tiit; Ainola, LeoTransactions of the ASME. Journal of fluids engineering2006 / July, p. 680-686 : ill https://asmedigitalcollection.asme.org/fluidsengineering/article/128/4/680/466677/Identification-of-Transition-to-Turbulence-in-a

IR technology and image processing applied to flow investigationLähdeniemi, Matti; Ekholm, Ari; Koppel, Tiit; Ainola, LeoMachine vision news2002 / p. 12

Joint influence of river stream, water level and wind waves on the height of sand bar in a river mouthLaanearu, Janek; Koppel, Tiit; Soomere, Tarmo; Davies, Peter A.Nordic hydrology2007 / 3, p. 287-302 https://iwaponline.com/hr/article/38/3/287/688/Joint-influence-of-river-stream-water-level-and

Linear Rossby waves and zonal transport in rotating platformSoomere, Tarmo; Koppel, TiitProceedings of the Estonian Academy of Sciences. Engineering1999 / 1, p. 22-40: ill https://artiklid.elnet.ee/record=b1000412*est

Mittestatsionaarse voolamise uuringud hüdromehaanika laboratooriumisKoppel, TiitTallinna Tehnikaülikooli aastaraamat 20082009 / lk. 111-114

Model of management of the water supply systemKoppel, Tiit; Seemendi, Sirje; Vassiljev, AnatoliXXII Nordic Hydrological Conference : Roros, Norway 4-7 August 2002. Vol. II2002 / p. 729-737 : ill

Modelling of stormwater discharge and quality in urban areaKoppel, Tiit; Vassiljev, Anatoli; Puust, Raido; Laanearu, JanekInternational journal of ecological science and environmental engineering2014 / p. 80-90 : ill

On determination of flow routes in a stormwater network using the least squares methodLaanearu, Janek; Annus, Ivar; Vassiljev, Anatoli; Koppel, TiitIntegrating Water Systems : proceedings of the Tenth International Conference on Computing and Control in the Water Industry 2009 : CCWI2009 : Sheffield, UK, 1-3 September 20092009 / p. 731-734

On energy efficiency of water distribution systemVaabel, Joonas; Koppel, Tiit; Ainola, LeoWater Management Challenges in Global Change : proceedings of the 9th Computing and Control for the Water Industry (CCWI2007) and Sustainable Urban Water Management (SUWM2007) Conferences : Leicester, UK, 3-5 September, 20072007 / p. 169-172

On hydraulic power capacity of water supply systemKoppel, Tiit; Ainola, Leo; Vaabel, JoonasIntegrating Water Systems : proceedings of the Tenth International Conference on Computing and Control in the Water Industry 2009 : CCWI2009 : Sheffield, UK, 1-3 September 20092009 / p. 551-555

On long-wave dependent flow transitions in partially filled large-scale pipeline [Electronic resource]Laanearu, Janek; Annus, Ivar; Koppel, TiitWater Engineering for a Sustainable Environment : 33rd IAHR Congress, Vancouver, British Columbia, Canada, 9-14 August, 20092009 / p. 6553-6560 https://www.iahr.org/library/infor?pid=24429

On the alternative equations of water hammerKoppel, Tiit; Ainola, LeoProceedings of 32nd Congress of IAHR : Venice, Italy, July 1-6, 20072007 / [9] p

Optimal pump count prediction algorithm for identical pumps working in parallel modeKoor, Margus; Vassiljev, Anatoli; Koppel, TiitProcedia engineering2014 / p. 951-958 : ill

Optimization of pump efficiencies with different pumps characteristics working in parallel modeKoor, Margus; Vassiljev, Anatoli; Koppel, TiitAdvances in engineering software2016 / p. 69-76 : ill http://dx.doi.org/10.1016/j.advengsoft.2015.10.010

Optimization of pump efficiency in a water distribution systemKoor, Margus; Vassiljev, Anatoli; Koppel, TiitProceedings of the Ninth International Conference on Engineering Computational Technology2014 / Paper 91, p. 1-10 : ill

Parametric modelling study for filling of horizontal pipe containing waterLaanearu, Janek; Annus, Ivar; Sergejeva, Monika; Koppel, Tiit; Puust, RaidoWDSA 2012 : 14th Water Distribution Systems Analysis Conference : 24-27 September 2012 in Adelaide, South Australia2012 / p. 678-693

Principle of locality and its application to water network model calibrationAinola, Leo; Koppel, Tiit; Kändler, Nils; Vassiljev, AnatoliWater software systems : theory and applications. Vol. 12001 / p. 111-120

Probabilistic leak detection in pipe networks using the SCEM-UA algorithm = Lekete tõenäosuse määramine torustikes algoritmi SCEM-UA abilPuust, Raido2007

Probabilistic leak detection in pipe networks using the SCEM-UA algorithm [Electronic resource]Puust, Raido; Kapelan, Zoran; Savic, Dragan; Koppel, Tiit8th Annual Water Distribution Systems Analysis Symposium : proceedings of WDSA 2006 : [Cincinnati, Ohio, USA], August 27-30, 20062006 / [12] p. : ill. [CD-ROM] https://www.researchgate.net/publication/221936231_Probabilistic_Leak_Detection_in_Pipe_Networks_Using_the_SCEM-UA_Algorithm

Pumps energy consumption based on new EU legislationAnnus, Ivar; Uibo, D.; Koppel, TiitProcedia engineering2014 / p. 517-524 : ill

Real-time demands and calibration of water distribution systemsVassiljev, Anatoli; Koor, Margus; Koppel, TiitAdvances in engineering software2015 / p. 108-113 : ill

Rehabilitation aspects of oversized water distribution networksAinola, Leo; Koppel, Tiit; Kändler, NilsHydraulic information management2002 / p. 351-360

Semi-empirical method for estimation of energy losses in a large-scale pipelineLaanearu, Janek; Annus, Ivar; Sergejeva, Monika; Koppel, TiitProcedia engineering2014 / p. 969-977 : ill

Sensitivity of calibration results to uncertainties in input data: case of operational water distribution systemVassiljev, Anatoli; Koppel, Tiit; Saare, ArvoUrban Water Management: Challenges and Opportunities : proceedings of the 11th International Conference on Computing and Control for the Water Industry (CCWI 2011), University of Exeter, 5-7 September 20112011 / p. 713-718 : ill https://www.researchgate.net/publication/290656813_Sensitivity_of_calibration_results_to_uncertainties_in_input_data_Case_of_operational_water_distribution_system

Some aspects of fluid elasticity related to filling and emptying of large-scale pipelineLaanearu, Janek; Bergant, Anton; Annus, Ivar; Koppel, Tiit; Westende, Jos M.C.van'tProceedings of the 3rd IAHR International Meeting of the Workgroup on Cavitation and Dynamic Problems in Hydraulic Machinery and Systems : Brno, Czech Republic, October 14-16, 2009. Part II2009 / p. 465-474 : ill

Soojusülekandest kriitilistel režiimidelTihhomirova, T.; Saarniit, T.; Liiv, Uno; Koppel, TiitXXIX vabariiklik üliõpilaste teaduslik- tehniline konverents 30. märtsist - 1. aprillini 1977 : ettekannete teesid1977 / lk. 112 https://www.ester.ee/record=b2449987*est

Student mobility and economic situation in the constructive sectorKoppel, Tiit; Liias, RoodeInquiries into European Higher Education in Civil Engineering, Ninth EUCEET Volume2010 / p. 217-225

Survetorude hüdrodünaamika probleemeKoppel, Tiit; Ainola, Leo; Vassiljev, AnatoliTeadusmõte Eestis. 4, Tehnikateadused. 22007 / lk. 33-40 : ill

Zonal transport created by Rossby wavesKoppel, Tiit; Soomere, TarmoAnnales geophysicae1997 / Part 2, Supplement 2, p. C564

Tallinn Technical University. Faculty of Civil Engineering 2002, 20032002 https://www.ester.ee/record=b5650458*est

Tallinn Technical University. Faculty of Civil Engineering 20032003 http://www.ester.ee/record=b1810470*est

Tallinna Tehnikaülikool. Ehitusteaduskond 20032003 http://www.ester.ee/record=b1810459*est

The civil engineering education in EstoniaKoppel, Tiit; Laur, ToomasCivil engineering education in Europe - 2004 : fourth EUCEET volume2004 / p. 38-42

The skin friction coefficient during accelerated  flows in pipesAinola, Leo; Koppel, Tiit; Lamp, Jürgen; Liiv, UnoXX Congress of the International Association for Hydraulic Research, Moscow USSR September 5-9, 1983. Vol. 6, Proceedings, subject A, B, C, D, supplement1983 / p. 453-460 https://www.ester.ee/record=b1984825*est

The use of error dynamics for calibration of water distribution systemsKoppel, Tiit; Vassiljev, AnatoliProceedings of the Twelfth International Conference on Civil, Structural and Environmental Engineering Computing : 1-4 September 2009, Madeira2009 / p. Paper 247 [14 p.] https://www.sciencedirect.com/science/article/pii/S0965997811002638

Toimetus sai kirja Sadamate Liidult : [Eesti Sadamate Liidu tegevdirektori Viktor Palmeti kiri sadamaehituse inseneride koolitamise asjus, kommenteerivad TTÜ õppeprorektor Jakob Kübarsepp ja prof. Tiit Koppel]Palmet, Viktor; Kübarsepp, Jakob; Koppel, TiitMente et Manu2009 / 6. märts, lk. 5 https://www.ester.ee/record=b1242496*est

Tootmispraktika juhend-päevik : [ehitusteaduskonna erialade "Veevarustus ja kanalisatsioon" (1209) ning "Sooja-, gaasivarustus ja ventilatsioon" (1208) III ja IV kursuse üliõpilastele]1986 https://www.ester.ee/record=b2618376*est

Transient flow during filling of horizontal pipe containing waterLaanearu, Janek; Annus, Ivar; Raidmaa, Meelis; Koppel, TiitUrban Water Management: Challenges and Opportunities : proceedings of the 11th International Conference on Computing and Control for the Water Industry (CCWI 2011), University of Exeter, 5-7 September 20112011 / p. 913-918 : ill

Transition to sustainable water managementPähn, Ene; Kroon, K.; Koppel, Tiit5th IWHA Conference Tampere, Finland 2007 : Pasts and Futures of Water : University of Tampere 13-17 June 20072007 / p. 167

Transition to turbulence in accelerating flowAnnus, Ivar; Koppel, Tiit; Vardy, AlanProceedings of the HYDRALAB III Joint Transnational Access User Meeting : Hannover, February 20102010 / p. 9-12 : ill

Transition to turbulence in accelerating pipe flowAnnus, Ivar; Koppel, TiitJournal of fluids engineering2011 / [7] p. : ill

Turbulent structure development in transient pipe flowAinola, Leo; Daniel, Eghert; Kask, Endel; Koppel, Tiit; Liiv, UnoPreprinted proceedings : 21st Congress, International Association for Hydraulic Research, Melbourne, 19-23 August 1985 = Compte-rendus 21e Congrès, Association internationale de recherches hydrauliques, Melbourne, 19 au 23 août 1985. Vol. 61985 / p. 6

Unsteady flow investigation by infrared and thermoanemometer techniquesLähdeniemi, Matti; Ekholm, Ari; Koppel, Tiit; Liiv, UnoThe Fourth Scandinavian International Conference on Fluid Power : proceedings of the conference, Tampere, Finland, September 26-29, 1995. Vol. 11995 / p. 432-441: ill

Unsteady skin friction experimentation in a large diameter pipeVardy, Alan; Bergant, Anton; He, Shuisheng; Ariyaratne, Chanchala; Koppel, Tiit; Annus, Ivar; Tijsseling, Arris S.; Hou, QingzhiProceedings of the 3rd IAHR International Meeting of the Workgroup on Cavitation and Dynamic Problems in Hydraulic Machinery and Systems : Brno, Czech Republic, October 14-16, 2009. Part II2009 / p. 593-602 : ill https://www.researchgate.net/publication/228984476_Unsteady_skin_friction_experimentation_in_a_large_diameter_pipe

Use of error analysis for calibration of water distribution systemsVassiljev, Anatoli; Koppel, Tiit; Puust, RaidoWater Distribution System Analysis 2010 : WDSA2010 : Tucson, AZ, USA, Sept. 12-15, 20102010 / [13] p.: ill

Use of modelling error dynamics for the calibration of water distribution systemsKoppel, Tiit; Vassiljev, AnatoliAdvances in engineering software2012 / p. 188-196 : ill https://www.sciencedirect.com/science/article/pii/S0965997811002638

Use of pressure dynamics for calibration of water distribution system and leakage detectionKoppel, Tiit; Vassiljev, Anatoli; Lukjanov, D.; Annus, IvarProceedings of WDSA 2008 : Water Distribution Systems Analysis : 17-20 August 2008, South Africa2008 / p. 704-715

Use of relative roughness and changed diameters for old pipes when calibrating an operational water distribution systemVassiljev, Anatoli; Martaud, M.; Koppel, TiitIntegrating Water Systems : proceedings of the Tenth International Conference on Computing and Control in the Water Industry 2009 : CCWI2009 : Sheffield, UK, 1-3 September 20092009 / p. 283-286

Use of the real-time demands for calibration of water distribution systemsVassiljev, Anatoli; Koppel, TiitProceedings of the Fourteenth International Conference on Civil, Structural and Environmental Engineering Computing2013 / p. 1-9 : ill [Paper 233]

Using transient flow equations for modelling of filling and emptying of the large-scale pipelineKoppel, Tiit; Laanearu, Janek; Annus, Ivar; Raidmaa, MeelisWater Distribution System Analysis 2010 : WDSA2010 : Tucson, AZ, USA, Sept. 12-15, 20102010 / [9] p.: ill

Uurimus rannajoonel toimuvatest protsessidest : [Toomas Liivi litsensiaadi väitekirjast, kaitstud Stockholmi Kuninglikus Tehnoloogiainstituudis]Koppel, TiitTehnikaülikool1999 / lk. 6 : portr. https://www.ester.ee/record=b5309277*est

Water distribution system modelling and pumping optimization based on real network of Tallinn = Tallinna linna ühisveevärgi modelleerimine ja pumpamise optimeerimineKoor, Margus2015

Water hammer and column separation due to accidential simultaneous closure of control valves in a large scale two-phase flow experimental test rigBergant, Anton; Westende, Jos M.C.van't; Koppel, Tiit; Gale, Janez; Hou, Qingzhi; Pandula, Zoltan; Tijsseling, Arris S.Proceedings of the ASME 2010 Pressure Vessels & Piping Division/K-PVP Conference : PVP2010 : July 18-22, 2010, Bellevue, Washington, USA2010 / [10] p.: ill https://www.researchgate.net/publication/280624441_Water_hammer_and_column_separation_due_to_accidental_simultaneous_closure_of_control_valves_in_a_large-scale_two-phase_flow_experimental_test_rig

Water hammer and column separation due to accidential simultaneous closure of control valves in a large scale two-phase flow experimental test rigBergant, Anton; Westende, Jos M.C.van't; Koppel, Tiit; Gale, Janez; Hou, Qingzhi; Pandula, Zoltan; Tijsseling, Arris S.2010 https://www.researchgate.net/publication/280624441_Water_hammer_and_column_separation_due_to_accidental_simultaneous_closure_of_control_valves_in_a_large-scale_two-phase_flow_experimental_test_rig

Water network model as a tool for making rehabilitation decisionsAinola, Leo; Koppel, Tiit; Kändler, NilsXXII Nordic Hydrological Conference : Roros, Norway 4-7 August 2002. Vol. II2002 / p. 749-756 : ill

Water network model calibration based on grouping pipes with similar leakage and roughness estimatesAinola, Leo; Koppel, Tiit; Tiiter, K.; Vassiljev, AnatoliProceedings of ASCE's 2000 : Joint Conference on Water Resources Engineering and Water Resources Planning & Management2000 / [9] p., [CD-ROM] https://www.researchgate.net/publication/268593940_Water_Network_Model_Calibration_Based_on_Grouping_Pipes_with_Similar_Leakage_and_Roughness_Estimates

Water quality in networks in the conditions of substantial decrease of water consumptionKoppel, Tiit; Kändler, Nils; Tiiter, K.; Vassiljev, AnatoliProceedings : Frontiers in urban water management : Deadlock or hope? : symposium, 18-20 June 2001, Marseille, France2001 / p. 38-45 : ill

Vene-eesti veesõnaraamatTibar, Harri; Maastik, Aleksander; Karu, Jaan; Mölder, Heino; Koppel, Tiit1990 https://www.ester.ee/record=b1218771*est

VentilaatoridKoppel, Tiit2013 http://www.ester.ee/record=b2970668*est

ÜhisveevärkMölder, Heino; Suurkask, Valdu; Koppel, Tiit; Metslang, Mihkel2003 https://www.ester.ee/record=b1799313*est

Алгоритм управления работой скважинных насосовKaru, Jaan; Koppel, Tiit; Pedak, H.; Tiiman, AgoНеустановившиеся процессы в системах водоснабжения и водоотведения1989 / с. 7-18

Анализ возникновения и развития турбулентности при ускоренном движении жидкости в трубеKask, Endel; Koppel, TiitНеустановившиеся процессы в системах водоснабжения и водоотведения1987 / с. 42-46

Анализ работы водопроводной сети г. Пярну на ЭВМSilm, M.XXXII студенческая научно-техническая конференция вузов Прибалтийских республик, Белорусской ССР и Молдавской ССР, 19-21 апреля 1988 г. : тезисы докладов : [в 3-х частях], ч. 31988 / с. 136 https://www.ester.ee/record=b1571601*est

Визуализация пограничного слоя при ускоренном движении жидкости в трубеKask, Endel; Koppel, TiitГидроаэродинамика и динамика систем управления1987 / с. 117-122

Визуализация разгона жидкости с поплавком в короткой трубеKask, Endel; Koppel, TiitНеустановившиеся процессы в системах водоснабжения и водоотведения1984 / с. 13-19

Гидравлика и пневматикаReedik, Vello; Grossschmidt, Gunnar; Vanaveski, Jüri; Pais, Enno; Pahapill, Jaak; Ainola, Leo; Liiv, Uno; Ruustal, Endel; Kask, Endel; Koppel, Tiit; Lepp, Andres; Ruubel, R.; Sarv, Laur; Daniel, Eghert; Tiiman, Ago; Kõiv, Teet-Andrus1987 https://www.ester.ee/record=b1317064*est

Гидравлика и пневматикаKüttner, Rein; Ainola, Leo; Liiv, Uno; Ruustal, Endel; Kask, Endel; Koppel, Tiit; Lamp, Jürgen; Reedik, Vello; Unt, A.; Grossschmidt, Gunnar; Pahapill, Jaak1983 https://www.ester.ee/record=b1273193*est

Измерительный комплекс для изучения гидродинамических процессов при течении жидкости в трубеKask, Endel; Koppel, Tiit; Lepp, Andres; Ruubel, R.; Sarv, LaurГидроаэродинамика и динамика систем управления1987 / с. 81-88

Изучение нестационарного течения жидкости в трубе методом визуализацииKask, Endel; Koppel, TiitНеустановившиеся процессы в системах водоснабжения и водоотведения1983 / с. 55-62

Интегральные соотношения и параметры течения при нестационарных движениях жидкость в цилиндрических трубахAinola, Leo; Koppel, Tiit; Liiv, UnoШестой Всесоюзный съезд по теоретической и прикладной механике, Ташкент, 24-30 сентября 1986 г. : аннотация. докладов1986 / с. 1-20

Исследование замены режима ламинарного нестационарного движения турбулентным в трубахAinola, Leo; Koppel, Tiit; Lamp, Jürgen; Liiv, UnoПятый Всесоюзный съезд по теоретической и прикладной механике, Алма-Ата, 27 мая - 3 июня 1981 года : аннотации докладов1981 / с. ? https://www.ester.ee/record=b2682342*est

Исследование касательных напряжений на стенке трубопровода при нестационарном напорном течении жидкостей : автореферат ... кандидата технических наук (05.14.09)Koppel, Tiit1975 http://www.ester.ee/record=b1664483*est

Исследование касательных напряжений на стенке трубопровода при нестационарном напорном течении жидкостей : диссертация ... кандидата технических наук : 05.14.09 - гидравлика и инженерная гидрологияKoppel, Tiit1975 http://www.ester.ee/record=b2307049*est

Исследование локальных скоростей при разгонном движении жидкости из состояния покоя в трубеAinola, Leo; Koppel, Tiit; Lamp, Jürgen; Liiv, UnoПрогнозирование и регулирование качества воды водоемов и исследование методов очистки природных и сточных вод1980 / с. 35-45

Методы визуализации, используемые при исследовании нестационарного теченияKask, Endel; Koppel, TiitНеустановившиеся процессы в системах водоснабжения и водоотведения1988 / с. 54-59

О движении жидкости с поплавком в тубеDaniel, Eghert; Kask, Endel; Koppel, Tiit; Ruubel, R.Всесюзная научно-техническая конференция "Контейнерный трубопроводный транспорт "(г.Новополоцк, 1984 г.)1984 / с. 63-64

О коэффициенте трения для ламинарных нестационарных течений в трубеAinola, Leo; Koppel, Tiit; Lamp, Jürgen; Liiv, Uno; Eensalu, OlavНеустановившиеся процессы в системах водоснабжения и водоотведения1981 / с. 3-15

О критериях перехода ламинарной формы течения в турбулентную при разгонном движении жидкости в круглой трубеAinola, Leo; Koppel, Tiit; Lamp, Jürgen; Liiv, UnoНеустановившиеся процессы в системах водоснабжения и водоотведения1981 / с. 17-29

Определение шероховатости труб для модели сети водоснабженияKoppel, Tiit; Vassiljev, AnatoliInternational Trade Fair and Congress2008 / [1] p

Определение шероховатости труб для модели системы водоснабжения, включающей трубы разногово возрастаKoppel, Tiit; Vassiljev, AnatoliЭКВАТЕК2006 Москва : сборник докладов. 12006 / с. 536

Особенности измерения вектора скорости потоков в цилиндрической трубе лазерным измерителем скоростиAitsam, Alar; Koppel, TiitXXX студенческая научно-техническая конференция вузов Прибалтийских республик, Белорусской ССР и Молдавской ССР, 8-10 апреля 1986 года : тезисы докладов. Том I, Общественные науки. Физико-математические науки. Строительство. Экономика1986 / с. 102 https://www.ester.ee/record=b1305540*est

Процесс турбулизации потока при ускорении жидкости в цилиндрической трубеDaniel, Eghert; Koppel, TiitНеустановившиеся процессы в системах водоснабжения и водоотведения1985 / с. 109-122

Разгонное движение жидкости с поплавком в трубеKask, Endel; Koppel, Tiit; Ruubel, R.Неустановившиеся процессы в системах водоснабжения и водоотведения1985 / с. 59-72

Разработка АСУ ТП водопровода небольшого городаKaru, Jaan; Koppel, Tiit; Sarv, Laur; Tiiman, AgoНеустановившиеся процессы в системах водоснабжения и водоотведения1988 / с. 16-24

Разработка модели системы водопроводной сетиKändler, Nils; Koppel, Tiit; Vassiljev, AnatoliЧетверты международный конгресс "Вода : экология и технология" : ЭКВАТЕК-2000 : Москва, 30 мая - 2 июня 2000 : тезисы докладов2000 / с. 369-370

Руководство-дневник по производственной практике1987 https://www.ester.ee/record=b3863062*est

Санитарная техникаTibar, Harri; Paal, Leopold; Mölder, Heino; Ütt, Jaanus; Lode, Elve; Kurbatov, V.A.; Toomet, Madis; Kask, Endel; Koppel, Tiit; Dumkina, Galina; Ruubel, R.1987 https://www.ester.ee/record=b1294161*est

Санитарная техникаSuurkask, Valdu; Mölder, Heino; Help, Kalju; Ütt, Jaanus; Blonskaja, Viktoria; Vostrikov, Valeri; Karu, Jaan; Koppel, Tiit; Sarv, Laur; Tiiman, Ago; Säärekõnno, Jüri; Kirt, Enno; Kõiv, Teet-Andrus; Kask, Endel; Aitsam, Alar; Daniel, Eghert; Sarv, Laur; Ainola, Leo; Liiv, Uno1988 https://www.ester.ee/record=b1223647*est

Санитарная техникаTibar, Harri; Paal, Leopold; Viies, Vladimir; Suurkask, Valdu; Karu, Jaan; Koppel, Tiit; Pedak, H.; Tiiman, Ago; Aitsam, Alar; Daniel, Eghert; Sarv, Laur; Kikas, K.; Blonskaja, Viktoria; Vostrikov, Valeri; Mölder, Heino; Säärekõnno, Jüri; Liiv, Uno; Gross, M.1989 https://www.ester.ee/record=b1232430*est

Санитарная техникаSuurkask, Valdu; Kask, Endel; Paal, Leopold; Koppel, Tiit; Ainola, Leo; Liiv, Uno; Karu, Jaan; Säärekõnno, Jüri; Tibar, Harri; Mölder, Heino; Repin, B.N.; Ütt, Jaanus; Kõiv, Teet-Andrus1984 https://www.ester.ee/record=b1515123*est

Санитарная техникаTibar, Harri; Veski, A.; Karu, Jaan; Suurkask, Valdu; Hääl, Maire-Liis; Säärekõnno, Jüri; Bomze, Z.; Munter, Rein; Kamenev, Sven; Preis, Sergei; Siirde, Enno; Hudak, V.I.; Pikkov, Lui; Kask, Endel; Koppel, Tiit; Ruubel, R.; Daniel, Eghert; Liiv, Uno; Sarv, Laur; Ainola, Leo; Ruustal, Endel; Koppel, Tiit; Toomet, Madis1985 https://www.ester.ee/record=b1255730*est

Санитарная техникаLiiv, Uno; Ainola, Leo; Koppel, Tiit; Lamp, Jürgen; Eensalu, Olav; Ruustal, Endel; Sarv, Laur; Karu, Jaan; Viies, Vladimir; Kask, Armin; Lääne, Ain; Saava, Astrid; Võsu, Aadu; Jakubovskaja, Z.I.; Mölder, Heino; Blonskaja, Viktoria; Makarov, V.V.; Jaško, M.A.; Veldre, I.; Karlova, S.A.; Kuldmäe, Lehti1981 https://www.ester.ee/record=b1319728*est

Санитарная техникаTibar, Harri; Paal, Leopold; Kolojartsev, V.A.; Ruga, Lembit; Suurkask, Valdu; Ennet, P.; Kuslap, Peep; Veski, A.; Karu, Jaan; Ainola, Leo; Koppel, Tiit; Ruustal, Endel; Kask, Endel; Lamp, Jürgen; Liiv, Uno; Mölder, Heino; Võsu, Aadu; Blonskaja, Viktoria; Soonsein, R.1983 https://www.ester.ee/record=b1288813*est

Сборник статей по санитарной техникеPlats, Rein; Karu, Jaan; Paal, Leopold; Tenisberg, Valeri; Kõiv, Teet-Andrus; Koppel, Tiit; Liiv, Uno; Säärekõnno, Jüri; Tibar, Harri; Kask, Armin; Viies, Vladimir1977 https://www.ester.ee/record=b1309563*est

Сборник статей по санитарной техникеPaal, Leopold; Lipre, Jüri; Mölder, Heino; Blonskaja, Viktoria; Pikkov, Lui; Kask, Endel; Ainola, Leo; Lamp, Jürgen; Liiv, Uno; Sarv, Laur; Koppel, Tiit; Temkina, Valentina; Võsu, Aadu; Viies, Vladimir; Valle, P.1979 https://www.ester.ee/record=b1283634*est

Сборник статей по санитарной техникеPaal, Leopold; Ainola, Leo; Koppel, Tiit; Lamp, Jürgen; Liiv, Uno; Kask, Endel; Grossschmidt, Gunnar; Vanaveski, Jüri; Sakarias, A.; Karu, Jaan; Remmel, Vööbe; Pall, Virve; Kurissoo, T.; Lääne, Ain; Lõhmussaar, H.; Kirt, Enno; Paulus, Olavi; Loigu, Enn; Velner, Harald-Adam; Saava, Astrid; Ennet, Peeter; Mölder, Heino; Blonskaja, Viktoria; Kõiv, Teet-Andrus1980 https://www.ester.ee/record=b1263941*est

Система для накопления и обработки экспериментальных данных гидравлических исследованийHaavel, Rein; Koppel, Tiit; Liiv, UnoСборник статей по санитарной технике. 101975 / с. 37-43 : илл https://www.ester.ee/record=b2084885*est https://digikogu.taltech.ee/et/Item/db37b17f-7b32-4060-8994-b23a7fa29638

Создание калиброванных моделей водопроводных сетей и оптимизация работы насосных станций в условиях резкого снижения водопотребленияKoppel, Tiit; Karu, JaanТретий международный конгресс "Вода: экология и технология" : "ЭКВАТЭК-98", Москва, 25-30 мая 1998 г. : тезисы докладов1998 / с. 263-264

Спектральное распределение энергии в слое смешения нестационарного отрывного течения в канале с открытой поверхностьюKoppel, TiitГидроаэродинамика и динамика систем управления1983 / с. 27-39

Спектральный анализ ускоренного турбулентного движения жидкости в трубопроводахAinola, Leo; Koppel, Tiit; Lamp, Jürgen; Liiv, UnoНеустановившееся движение жидкости в трубах1980 / с. 3-15

Спектральный состав турбулентности в слое смешенияDaniel, EghertXXVI студенческая научно-техническая конференция вузов Молдавской ССР, Белорусской ССР и Прибалтийских республик, 21-23 апреля 1982 года : тезисы докладов. Часть 2, Химия и технология, механика, строительство1982 / с. 207-208 https://www.ester.ee/record=b5165223*est

Уравнения движения возмущений ламинарного нестационарного течения сжимаемой жидкости в цилиндрической трубеAinola, Leo; Koppel, TiitНеустановившиеся процессы в системах водоснабжения и водоотведения1983 / с. 37-45

Экспериментальное исследование возникновения движения жидкости в трубопроводахKoppel, Tiit; Liiv, UnoИзвестия Академии наук. Механика жидкости и газа1977 / с. 79-85 https://www.ester.ee/record=b1255929*est

Экспериментальное определение уровня пульсации касательных напряжений на стенке трубопровода при переходном движении жидкостиKoppel, Tiit; Liiv, UnoПрогнозирование и регулирование качества воды водоемов и исследование методов очистки природных и сточных вод1977 / с. 43-48

Электромагнитные расходомеры с кодированным выходным сигналом для измерения быстропеременных скоростей в трубопроводахKask, Endel; Koppel, Tiit; Korsen, Viljo; Liiv, Uno; Rosmann, Mart-ReinСборник статей по санитарной технике. 101975 / с. 45-51 : илл https://www.ester.ee/record=b2084885*est https://digikogu.taltech.ee/et/Item/db37b17f-7b32-4060-8994-b23a7fa29638