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                    &nbsp;&nbsp;<a href="downloads/papers/Paper_HPD_2023.pdf" onMouseover="ddrivetip('B. Bajic, S. Weissenberger, M.Keller; Multidimensional diagnosis of cavitation: An example. Hydropower & Dams Issue One, 2023. pp. 103-107. A multidimensional technique for vibro-acoustic diagnostics and monitoring of turbine cavitation is presented, which has been applied on a prototype and three models of a Kaplan turbine. It can also be used for Francis, bulb, reversible pump turbines, and pumps. Press to download PDF, size 7.7 MB.','#AFC0D0', 300)";onMouseout="hideddrivetip()"><span style='text-decoration:none'>2023 An example of the multidimensional diagnosis of cavitation</span></a><br>

                    &nbsp;&nbsp;<a href="downloads/papers/fluids-07-00193-v4.pdf"onMouseover="ddrivetip('B. Bajic, S. Weissenberger, M.Keller; Multidimensional vibro-acoustical diagnostics of cavitation: Theory and illustration on a Kaplan turbine. Fluids 2022, 7, 193. The theory of Korto’s multidimensional method is introduced and its application is illustrated on a prototype and models of a Kaplan turbine. Press to download PDF, size 23.2 MB.' ,'#AFC0D0', 300)";onMouseout="hideddrivetip()"><span style='text-decoration:none'>2022 Theory and illustration on a Kaplan turbine</span></a><br>

                    &nbsp;&nbsp;<a href="downloads/papers/HVR 2011 Bajic web.pdf" onMouseover="ddrivetip('Многомерный мoнитoринг кaвитaции по технологии ФПГА/РТ, презентация на Конференции Russia Power 2011. Press to download PDF, size 5.7 MB.','#AFC0D0', 300)";onMouseout="hideddrivetip()"><span style='text-decoration:none'>2011 Многомерный мoнитoринг кaвитaции по технологии ФПГА/РТ</span></a><br>

                    &nbsp;&nbsp;<a href="downloads/papers/Korto_Powertec_Russia_2010.pdf" onMouseover="ddrivetip('Multidimensional and simple techniques for cavitation diagnostics and monitoring, Powertec Russia & CIS, 2010, No 2. Based on the large Francis turbine at the Grand Coulee Dam in the USA, the multidimensional vibro-acoustic technique for cavitation diagnostics and monitoring is presented and compared to simple techniques. Press to download PDF, size 990 kB.'
,'#AFC0D0', 300)";onMouseout="hideddrivetip()"><span style='text-decoration:none'>2010 Multidimensional and simple techniques</span></a><br>

                    &nbsp;&nbsp;<a href="downloads/papers/Korto_Powertec_Russia_2010.pdf" onMouseover="ddrivetip('Многомерныe и прoстыe мeтoды диaгнoстики и мoнитoрингa кaвитaции, Powertec Russia & CIS, 2010, No 2. Нa oснoвaнии примeрa бoльшoй рaдиaльнo-oссeвoй турбины нa плoтинe Грaнд-Кули в СШA, прeдстaвлeн мнoгoмeрный вибрo-aкустичeский мeтoд диaгнoстики и мoнитoрингa кaвитaции в срaвнeнии с прoстым тeхникaми. Oбсуждaeтся рoль мoдeльных кaвитaциoнныхй испытaний и испытaний нa прoтoтипe. Press to download PDF, size 990 kB.','#AFC0D0', 300)";onMouseout="hideddrivetip()"><span style='text-decoration:none'>2010 Многомерныe и прoстыe мeтoды</span></a><br>

                    &nbsp;&nbsp;<a href="downloads/papers/Korto_Multidimensional_and_Simple_Techniques_2010_CN.pdf" onMouseover="ddrivetip('介绍了用于空化诊断和监测的多维振动和噪声分析技术，并与简单技术进行了比较。水电站机电技术。2010. Press to download PDF, size 2.0 MB.','#AFC0D0', 300)";onMouseout="hideddrivetip()"><span style='text-decoration:none'>2010 多维空化诊断监测和其他简单技术比较</span></a><br>

                    &nbsp;&nbsp;<a href="downloads/papers/Korto_Mnogomernoe_skanirovanie_kavitacii_Russia_Power_2010.pdf" onMouseover="ddrivetip('Многомерноe скaнирoвaниe кавитации в турбинaх, Кoнфeрeнция Russia Power, Мoсквa, Рoссия, мaртa 2010. На трeх примерaх иллюстрируeтся мнoгoмeрный мeтoд диагностики и мониторинга кавитации в турбинaх. Press to download PDF, size 2200 kB.','#AFC0D0', 300)";onMouseout="hideddrivetip()"><span style='text-decoration:none'>2010 Многомерноe скaнирoвaниe кавитации</span></a><br>

                    &nbsp;&nbsp;<a href="downloads/papers/Korto_Metodos_multidimensional_e_simples, Brasilia_2008.pdf" onMouseover="ddrivetip('Korto Métodos multidimensional e simples para diagnóstico e monitoramento de cavitação, Seminário do estado da arte em sistema de monitoramento aplicado a maquinas rotativas, Eletronorte, Brasilia, November 2008. Baseado no exemplo das grandes turbinas do tipo Francis na UHE Grand Coulee nos EUA, o método vibro-acústico multidimensional de diagnóstico e monitoramento da cavitação é apresentado e comparado com métodos simples. O papel dos testes da cavitação em modelo e em campo é discutido. Press to download PDF, size 1107 kB.','#AFC0D0', 300)";onMouseout="hideddrivetip()"><span style="text-decoration:none">2008 Métodos multidimensional e simples</span></a><br>

                    &nbsp;&nbsp;<a href="downloads/papers/Korto_Cavitation_monitoring_update_IWPDC_2004.pdf" onMouseover="ddrivetip('Multidimensional cavitation monitoring update, International Water Power & Dam Construction, November 2004. Results of multidimensional cavitation monitoring are illustrated and monitor implementation is discussed. Simple monitoring and multidimensional monitoring are compared, as are the model tests and on-site monitoring. Press to download PDF, size 137 kB.','#AFC0D0',300)";onMouseout="hideddrivetip()"><span style="text-decoration:none">2004 Cavitation monitoring update</span></a><br>

                    &nbsp;&nbsp;<a href="downloads/papers/Korto_More_on_cavitation_monitoring_Hydro_2004.pdf" onMouseover="ddrivetip('More on cavitation monitoring, Hydro 2004 Conference, Porto, Portugal, October 2004. Slightly broadened version of the Cavitation monitoring update. Includes implementation issues. Press to download PDF, size 449 kB.','#AFC0D0', 300)";onMouseout="hideddrivetip()"><span style='text-decoration:none'>2004 More on cavitation monitoring</span></a><br>

	     &nbsp;&nbsp;<a href="downloads/papers/Korto_A_new_generation_of_monitors_HydroVision_2004.pdf" onMouseover="ddrivetip('A new generation of hydrounit monitors, HydroVision 2004, Montreal, Quebec, Canada, August 2004. An efficient, low-cost monitoring system, based on simple hardware, is presented. Its performance is based on the multidimensional approach to signal sensing and to signal and data processing. Press to download PDF, size 356 kB.','#AFC0D0', 300)";onMouseout="hideddrivetip()"><span style='text-decoration:none'>2004 Hydrounit monitors</span></a><br>

                    &nbsp;&nbsp;<a href="downloads/papers/Korto_Mnogomernyj_monitoring.pdf" onMouseover="ddrivetip('Илюстрация результатов многомерной диагностики и мониторинга кавитации, II Круглый стол по гидроэнергетике Висла-Волга 2004, Цехоцинек, Польша, октября 2004. На одном примере иллюстрируются форма и содержание результатов диагностических испытаний и мониторинга кавитации с применением многомерной техники. Эта техника обладает рядом преимуществ по отношению к более простым подходам. Press to download PDF, size 884 kB.','#AFC0D0', 300)";onMouseout="hideddrivetip()"><span style='text-decoration:none'>2004 Mногомерный мониторинг кавитации</span></a><br>

                    &nbsp;&nbsp;<a href="downloads/papers/Korto_Turbine_instability_explained_Hydro_2003.pdf" onMouseover="ddrivetip('Turbine instability explained by multidimensional cavitation diagnostics - Hydro 2003 Conference, Dubrovnik, Croatia, November 2003. On a 40 MW bulb unit, the case of once-per-revolution power fluctuations, peaking to 4 %, was explained by means of multidimensional cavitation diagnostics. Press to download PDF, size 742 kB.','#AFC0D0', 300)";onMouseout="hideddrivetip()"><span style='text-decoration:none'>2003 Turbine instability and cavitation</span></a><br>

                    &nbsp;&nbsp;<a href="downloads/papers/HEPP 2003 Dijagnostika njihanja.pdf" onMouseover="ddrivetip('Dijagnostika njihanja snage cijevnih agregata HE Dubrava - Simpozij HEPP 2003, Sibenik 2003 (i casopis Energija). Preko multidimenszioalne dijagnostika kavitacije objašnjeno je njihanje snage ritma jednom na okret aplitude i do 4 % od 40 MW. Press to download PDF, size 905 kB.','#AFC0D0', 300)";onMouseout="hideddrivetip()"><span style='text-decoration:none'>2003 Dijagnostika njihanja snage</span></a><br>

                    &nbsp;&nbsp;<a href="downloads/papers/Korto_Cavitation_diagnostics_and_monitoring_IWPDC_2003.pdf" onMouseover="ddrivetip('Cavitation diagnostics and monitoring, International Water Power & Dam Construction, February 2003. The technique which is capable of revealing spatial distribution of cavitation within a turbine, differentiating between various cavitation mechanisms, resolving cavitation on different turbine parts, and explaining side-effects of cavitation is illustrated by an example. Press to download PDF, size 448 kB.','#AFC0D0', 300)";onMouseout="hideddrivetip()"><span style='text-decoration:none'>2003 Cavitation diagnostics and monitoring</span></a><br>

                    &nbsp;&nbsp;<a href="downloads/papers/Korto_Methods_for_vibro-acoustic_diagnostics_J_Hydr_Res_2003.pdf" onMouseover="ddrivetip('Methods for vibro-acoustic diagnostics of turbine cavitation, IAHR Journal of Hydraulic Research, Vol. 41, No. 1, 2003, pp. 87-96. Neue Methoden der vibroakustischen Diagnostik der Turbinenkavitation - 10. Internationales Seminar Wasserkraftanlagen, Vienna University of Technology, Vienna, Austria, 1998; Vibro-acoustical diagnosis of hydroturbine cavitation: Some measurement and analysis methods, International Conference Modelling, Testing & Monitoring for Hydro Powerplants II, Lausanne, Switzerland, 1996. Advanced methods for noise sampling, signal and data processing and analysis, and interpretation in vibro-acoustic diagnostics of turbine cavitation are presented. Press to download PDF, size 276 kB.','#AFC0D0', 300)";onMouseout="hideddrivetip()"><span style='text-decoration:none'>2003 Methods for cavitation diagnostics</span></a><br>

                    &nbsp;&nbsp;<a href="downloads/papers/Korto_Multidimensional_diagnostics_J_Fluids_Eng_2002.pdf" onMouseover="ddrivetip('Multidimensional diagnostics of turbine cavitation, ASME Journal of Fluids Engineering, Vol. 124, No. 4, 2002, pp. 943-950. A technique for a vibro-acoustic diagnosis of turbine cavitation that enables identification of different cavitation mechanisms and delivers detailed turbine cavitation characteristics is presented and its use on a unit with a large number of guide vanes is illustrated. Press to download PDF, size 310 kB.','#AFC0D0', 300)";onMouseout="hideddrivetip()"><span style='text-decoration:none'>2002 Multidimensional diagnostics of cavitation</span></a><br>

                    &nbsp;&nbsp;<a href="downloads/papers/Korto_Multidimensional_monitors_Hydro_2002.pdf" onMouseover="ddrivetip('Multidimensional monitors for hydroelectric power plants - Hydro 2002 Conference, Kiris, Turkey, November 2002; The technique for the monitoring and diagnosis of dynamic processes in hydro units, based on multidimensional analysis of data, and empirical and theoretical models, is illustrated. The technique yields an unbiased and complete description of the processes. Press to download PDF, size 344 kB.','#AFC0D0', 300)";onMouseout="hideddrivetip()"><span style='text-decoration:none'>2002 Multidimensional monitors</span></a><br>

                    &nbsp;&nbsp;<a href="mailto:info@korto.com" onMouseover="ddrivetip('Intelligent cavitation monitoring & diagnostics, International Water Power & Dam Construction, May 2001. A practical example of application of the multidimensional method is presented. Available on request: info@korto.com','#AFC0D0', 300)";onMouseout="hideddrivetip()"><span style='text-decoration:none'>2001 Intelligent cavitation monitoring &amp; diagnostics</span></a><br>

                    &nbsp;&nbsp;<a href="downloads/papers/Korto_Examples_of_application_HydroVision_2000.pdf" onMouseover="ddrivetip('Vibro-acoustical diagnostics of turbine cavitation - Examples of application, HydroVision 2000, Charlotte, NC, USA, August 2000. The following examples are presented: operation optimisation, erosion prediction, identification of turbine parts responsible for cavitation, identification of cavitation mechanisms, assessment of detailed turbine cavitation characteristics, and the establishment of a high-sensitivity cavitation monitoring system. Press to download PDF, size 456 kB.','#AFC0D0', 300)";onMouseout="hideddrivetip()"><span style='text-decoration:none'>2000 Cavitation diagnostics - Examples of application</span></a><br>

                    &nbsp;&nbsp;<a href="mailto:info@korto.com" onMouseover="ddrivetip('Spectrum tracing: A vibroacoustic technique to identify mechanisms of turbine cavitation Conference Modelling, Testing & Monitoring for Hydro Powerplants III, Aix-en-Provence, France, 1998. A vibroacoustic technique is presented for the identification of cavitation mechanisms. The technique is based on the tracing of fine differences in acoustic transfer functions caused by the differences in paths travelled by acoustic waves from cavitation noise sources to a sensor. Available on request: info@korto.com','#AFC0D0', 300)";onMouseout="hideddrivetip()"><span style='text-decoration:none'>1998 Spectrum tracing</span></a><br>

                    &nbsp;&nbsp;<a href="mailto:info@korto.com" onMouseover="ddrivetip('Would turbine uprating be allowable with respect to cavitation? - An example of vibroacoustic diagnosis. Third International Symposium on Cavitation, Grenoble, France, 1998. Turbinenleistungserhöhung - Wäre sie zulässig im Hinblick auf die Kavitation? - Beispiel einer vibroakustischen Diagnose. Wasserwirtschaft, Vol. 89, 1999, No. 4, pp. 182-186; Various tools of the vibro-acoustic method for cavitation diagnostics are used to identify cavitation mechanisms, assess their intensities, identify the parts which cause them, and forecast the behaviour of a 60 MW Kaplan turbine after uprating. Available on request: info@korto.com','#AFC0D0', 300)";onMouseout="hideddrivetip()"><span style='text-decoration:none'>1998 Turbine uprating allowable?</span></a><br>

                    &nbsp;&nbsp;<a href="mailto:info@korto.com" onMouseover="ddrivetip('Inflow decomposition: A vibroacoustical technique to reveal details of hydroturbine cavitation, Conference Hydropower Into the Next Century, Portoroz, Slovenia, 1997. The technique, which is based on the analysis of cavitation noise modulation and which enables identification of the role that turbine parts play in a cavitation process, is presented. Available on request: info@korto.com','#AFC0D0', 300)";onMouseout="hideddrivetip()"><span style='text-decoration:none'>1997 Inflow decomposition</span></a><br>

                    &nbsp;&nbsp;<a href="mailto:info@korto.com" onMouseover="ddrivetip('A practical approach to vibro-acoustic assessment of turbine cavitation Hydropower & Dams, Vol. 3, Issue 6, 1996, pp. 45-50. Ein praktischer Ansatz zur vibroakustischen Beurteilung der Kavitation von Wasserturbinen. Wasserwirtschaft, Vol. 88, 1998, No. 1, pp. 26-31. The basic tasks of a vibro-acoustic diagnosis of turbine cavitation are formulated and an empirically based method to achieve them is presented. Available on request: info@korto.com','#AFC0D0', 300)";onMouseout="hideddrivetip()"><span style='text-decoration:none'>1996 A practical approach to cavitation assessment</span></a><br>

                    &nbsp;&nbsp;<a href="mailto:info@korto.com" 
onMouseover="ddrivetip('B. Bajic, A. Keller; Spectrum normalization method in vibro-acoustical diagnostic measurements of hydroturbine cavitation. ASME Journal of Fluids Engineering, Vol. 118, No. 4, 1996, pp. 756-761. A simple but efficient method that eliminates the influence of the measurement set characteristics and the vibro-acoustic characteristics of a turbine, and yields pure cavitation noise spectra is presented. Available on request: info@korto.com','#AFC0D0',300)";onMouseout="hideddrivetip()"><span style='text-decoration:none'>1996 Spectrum normalization method</span></a><br>

                    &nbsp;&nbsp;<a href="mailto:info@korto.com" onMouseover="ddrivetip('Vibro-acoustical diagnosis of hydroturbine cavitation: Some measurement and analysis methods, Conference Modelling, Testing & Monitoring for Hydro Powerplants II, Lausanne, Switzerland, 1996. The technique, which is based on the analysis of cavitation noise modulation and which enables identification of the role that turbine parts play in a cavitation process, is presented. Published later in IAHR Journal of Hydraulic Researcg, see 2003 Methods for cavitation diagnostics above','#AFC0D0', 300)";onMouseout="hideddrivetip()"><span style='text-decoration:none'>1996 Vibro-acoustical diagnosis of hydroturbine cavitation</span></a><br>

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