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5-year degree in Marine Engineering, and Master's and Ph.D. degrees in Mechanical Engineering by Instituto Superior Técnico (IST). João accumulates 20 years of experience has a researcher on the modelling of the potential and viscous flow around rotors and floating structures, with applications to marine propulsion, tidal and wind turbines, and offshore wind energy. Collaboration on the development of the panel code PROPAN and RANS code ReFRESCO. In parallel, teaches or has taught several courses at IST-University of Lisbon, such as, Fluid Mechanics, Resistance and Propulsion of Ships, Offshore Wind Energy, Marine Current & Tidal Energy and Modelling and Control of Ocean Energy Systems.
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Identification

Personal identification

Full name
João Manuel Ribeiro da Costa Baltazar

Citation names

  • Baltazar, João
  • J. Baltazar

Author identifiers

Ciência ID
3E12-44C5-07FC
ORCID iD
0000-0003-4800-9138
Google Scholar ID
dC2zLRcAAAAJ&hl
Researcher Id
D-2527-2014
Scopus Author Id
57201532686

Addresses

  • WavEC - Offshore Renewables Edifício Diogo Cão Doca de Alcântara Norte, 1350-352, Lisboa, Lisboa, Portugal (Professional)

Websites

Knowledge fields

  • Engineering and Technology - Mechanical Engineering - Mechanical Engineering

Languages

Language Speaking Reading Writing Listening Peer-review
English Advanced (C1) Advanced (C1) Intermediate (B1) Advanced (C1)
Spanish; Castilian Advanced (C1) Advanced (C1) Intermediate (B1) Advanced (C1)
Italian Advanced (C1) Advanced (C1) Intermediate (B1) Advanced (C1)
Dutch Beginner (A1) Beginner (A1) Beginner (A1) Beginner (A1)
French Beginner (A1) Beginner (A1) Beginner (A1) Beginner (A1)
Portuguese Advanced (C1) Advanced (C1) Advanced (C1) Advanced (C1)
Education
Degree Classification
2008
Concluded
 PhD in Mechanical Engineering (Doutoramento)
Universidade de Lisboa, Portugal
"On the Modelling of the Potential Flow About Wings and Marine Propellers Using a Boundary Element Method" (THESIS/DISSERTATION)
 Passed
2002
Concluded
 Master in Mechanical Engineering (Mestrado)
Universidade de Lisboa, Portugal
"Estudo Numérico do Escoamento Potencial na Extremidade de Asas Elípticas com um Método de Elementos de Fronteira" (THESIS/DISSERTATION)
 Passed
1999
Concluded
 Licenciatura em Engenharia Naval (Licenciatura)
Universidade de Lisboa, Portugal
"N/A" (THESIS/DISSERTATION)
 15
Affiliation

Science

Category
Host institution 		Employer
2019/06/05 - 2022/01/31 Contracted Researcher (Research) Universidade de Lisboa Instituto Superior Técnico, Portugal
Universidade de Lisboa Instituto Superior Técnico, Portugal
2000/10/01 - 2019/06/04 Researcher (Research) Universidade de Lisboa Instituto Superior Técnico, Portugal
Universidade de Lisboa Instituto Superior Técnico, Portugal
(...)
1999/05/01 - 2000/09/30 Researcher (Research) Universidade de Lisboa Instituto Superior Técnico, Portugal
Centro de Engenharia e Tecnologia Naval e Oceanica, Portugal

Teaching in Higher Education

Category
Host institution 		Employer
2012/10/01 - 2022/01/31 Assistant (University Teacher) Universidade de Lisboa Instituto Superior Técnico, Portugal
Universidade de Lisboa Instituto Superior Técnico, Portugal
2001/04/01 - 2002/03/31 Assistant (University Teacher) Universidade de Lisboa Instituto Superior Técnico, Portugal
Universidade de Lisboa Instituto Superior Técnico Departamento de Matemática, Portugal

Other Careers

Category
Host institution 		Employer
2022/02/01 - Current Técnico Superior (Técnico Superior) WavEC - Offshore Renewables, Portugal
Projects

Grant

Designation Funders
2004/01/01 - 2007/12/31 MODELAÇÃO DA ESTEIRA DE SUPERFÍCIES SUSTENTADORAS EM HÉLICES PROPULSORES COM O MÉTODO DOS ELEMENTOS DE FRONTEIRA
SFRH/BD/14334/2003
 Fundação para a Ciência e a Tecnologia
Concluded
2001/10/01 - 2002/05/31 ESTUDO DE MÉTODOS DE GERAÇÃO DE MALHA PARA APLICAÇÃO DO MÉTODO DOS ELEMENTOS DE FRONTEIRA DE HÉLICES PROPULSORES - MESTRADO EM ENGENHARIA MECÂNICA
SFRH/BM/4102/2001
 Fundação para a Ciência e a Tecnologia
Concluded
Outputs

Publications

Book chapter
  1. J. Baltazar; J.A.C. Falcão de Campos. "A Comparison of Panel Method and RANS Calculations for a Horizontal Axis Marine Current Turbine". In CFD for Wind and Tidal Offshore Turbines, 117-128. Springer, 2015.
    Published
Conference paper
  1. J. Baltazar. "Modelling of Laminar-to-Turbulent Flow Transition on a Marine Propeller using a RANS Solver". Paper presented in 25th Numerical Towing Tank Symposium, Ericeira, 2023.
    Published
  2. T. Amaral; M. Rentschler; J. Baltazar; G. Vaz. "Hydrodynamic Analysis of a Floating Vertical Cylinder". Paper presented in 23rd Numerical Towing Tank Symposium, Mülheim an der Ruhr, 2021.
    Published
  3. J. Baltazar; B. Schuiling; D. Rijpkema. "Propeller Performance Prediction in an Artificially Generated Wake Field Using RANSE". Paper presented in 22nd Numerical Towing Tank Symposium, Tomar, 2019.
    Published
  4. F. Espenica; R.B. Santos Pereira; J. Baltazar; Falcão de Campos, J.A.C.. "Design of a Horizontal Axis Marine Current Turbine with Dedicated Hydrofoil Sections". Paper presented in 13th European Wave and Tidal Energy Conference, Nápoles, 2019.
    Published
  5. F. Espenica; R.B. Santos Pereira; G. de Oliveira; J. Baltazar; J.A.C. Falcão de Campos. "Design and Optimization of Hydrofoils Tailored for Marine Current Turbines". Paper presented in 13th European Wave and Tidal Energy Conference, Nápoles, 2019.
    Published
  6. J. Baltazar; J.A.C. Falcão de Campos; J. Bosschers; D. Rijpkema. "Recent Developments in Computational Methods for the Analysis of Ducted Propellers in Open Water". Paper presented in 32nd Symposium on Naval Hydrodynamics, Hamburgo, 2018.
    Published
  7. Baltazar, João; D. Rijpkema; J.A.C. Falcão de Campos; J. Bosschers. "Prediction of the Open-Water Performance of Ducted Propellers with a Panel Method". Paper presented in Fifth International Symposium on Marine Propulsors, smp'17, Espoo, 2017.
    Published
  8. J. Baltazar; D. Rijpkema; J.A.C. Falcão de Campos. "On the Use of the ¿-Re¿ Transition Model for the Prediction of the Propeller Performance at Model-Scale". Paper presented in Fifth International Symposium on Marine Propulsors, smp'17, Espoo, 2017.
    Published
  9. Melo, D.B.; J. Baltazar; J.A.C. Falcão de Campos. "A Numerical Wake Alignment Method for Horizontal Axis Wind Turbines With the Lifting Line Theory". Paper presented in International Conference on Wind Energy Harvesting, Coimbra, 2017.
    Published
  10. L. Eça; R. Lopes; G. Vaz; J. Baltazar; D. Rijpkema. "Validation Exercises of Mathematical Models for the Prediction of Transitional Flows". Paper presented in 31st Symposium on Naval Hydrodynamics, Monterey, 2016.
    Published
  11. J. Baltazar; J.A.C. Falcão de Campos. "An Iteratively Coupled Solution Method for Unsteady Sheet Cavitation Prediction on Marine Propellers Using BEM". Paper presented in 12th International Conference on Hydrodynamics, Egmond aan Zee, 2016.
  12. D. Rijpkema; J. Baltazar; J.A.C. Falcão de Campos. "Viscous Flow Simulations of Propellers in Different Reynolds Number Regimes". Paper presented in Fourth International Symposium on Marine Propulsors, smp'15, Austin, 2015.
  13. J. Baltazar; J.A.C Falcão de Campos; J. Bosschers. "Potential Flow Modelling of Ducted Propellers With a Panel Method". Paper presented in Fourth International Symposium on Marine Propulsors, smp'15, Austin, 2015.
  14. Baltazar, J.M.; Rijpkema, D.R.; Falcão De Campos, J.A.. "Numerical studies for verification and validation of open-water propeller RANS computations". 2015.
  15. J. Baltazar; D. Rijpkema; J.A.C. Falcão de Campos; J. Bosschers. "A Comparison of Panel Method and RANS Calculations for a Ducted Propeller System in Open-Water". Paper presented in Third International Symposium on Marine Propulsors, smp'13, Launceston, 2013.
  16. J. Baltazar; J.A.C. Falcão de Campos. "An Iteratively Coupled Solution Method for Partial and Super-Cavitation Prediction on Marine Propellers Using BEM". Paper presented in 10th International Conference on Hydrodynamics, São Petersburgo, 2012.
  17. Baltazar, J.; Falcão De Campos, J.A.C.. "Prediction of sheet cavitation on marine current turbines with a boundary element method". 2012.
    10.1115/OMAE2012-83331
  18. J. Baltazar; J.A.C. Falcão de Campos; J. Bosschers. "Open-Water Thrust and Torque Predictions of a Ducted Propeller System With a Panel Method". Paper presented in Second International Symposium on Marine Propulsors, smp'11, Hamburgo, 2011.
  19. Baltazar, J.; MacHado, J.; De Campos, J.A.C.F.. "Hydrodynamic design and analysis of horizontal axis marine current turbines with lifting line and panel methods". 2011.
    10.1115/OMAE2011-49377
  20. J. Baltazar; J.A.C. Falcão de Campos. "On the Modelling of the Flow in Ducted Propellers With a Panel Method". Paper presented in First International Symposium on Marine Propulsors, smp'09, Trondheim, 2009.
  21. J. Baltazar; J.A.C. Falcão de Campos. "Unsteady Analysis of a Horizontal Axis Marine Current Turbine in Yawed Inflow Conditions With a Panel Method". Paper presented in First International Symposium on Marine Propulsors, smp'09, Trondheim, 2009.
  22. J. Baltazar; J.A.C. Falcão de Campos. "A Numerical Study on the Iterative Techniques to Solve Partial Cavitation on Marine Propellers Using BEM". Paper presented in III International 11 Congress on Computational Methods in Marine Engineering, MARINE 2009, Trondheim, 2009.
    Published
  23. L. Eça; J. Baltazar; M. Hoekstra; J. Windt. "Flexible Tools for Structured Grid Generation on Surfaces". Paper presented in The 11th ISGG Conference, Montreal, 2009.
    Published
  24. J. Baltazar. "Leading-Edge Vortex Flow Modelling Around Delta Wings Using a Boundary Element Method". Paper presented in III Conferência Nacional em Mecânica de Fluidos, Termodinâmica e Energia, MEFTE 2009, Bragança, 2009.
  25. Baltazar, J.; Falcão De Campos, J.A.C.. "Hydrodynamic analysis of a horizontal axis marine current turbine with a boundary element method". 2008.
    10.1115/OMAE2008-58033
  26. J. Baltazar; J.A.C. Falcão de Campos. "Unsteady Potential Flow Calculations of Marine Propellers Using BEM". Paper presented in I Conferência Nacional de Métodos Numéricos em Mecânica dos Fluidos e Termodinâmica, Monte da Caparica, 2006.
    Published
  27. J. Baltazar; L. Eça. "A Surface Grid Generation Technique for Practical Applications of Boundary Element Methods". Paper presented in I Conferência Nacional de Métodos Numéricos em Mecânica dos Fluidos e Termodinâmica, Monte da Caparica, 2006.
    Published
  28. J. Baltazar; J.A.C Falcão de Campos; J. Bosschers. "A Study on the Modeling of Marine Propeller Tip Flows Using BEM". Paper presented in Métodos Numéricos en Ingeniería 2005, Granada, 2005.
    Published
  29. J. Baltazar; J.A.C. Falcão de Campos; J. Bosschers. "A Study on the Accuracy of Low and Higher Order BEM in Three Dimensional Potential Flows Past Ellipsoids". Paper presented in Advances in Boundary Element Techniques V, Beteq 2004, Lisboa, 2004.
    Published
  30. J. Baltazar; C. Guedes Soares. "Estudo Experimental do Balanço Transversal de um Graneleiro". Paper presented in O Mar e os Desafios do Futuro, Lisboa, 2000.
    Published
Journal article
  1. João Baltazar; Douwe Rijpkema; José Falcão de Campos. "Prediction of the Propeller Performance at Different Reynolds Number Regimes with RANS". Journal of Marine Science and Engineering 9 10 (2021): 1115-1115. https://doi.org/10.3390/jmse9101115.
    10.3390/jmse9101115
  2. Baltazar, João; Melo, Daniela; Rijpkema, Douwe. "Analysis of the blade boundary-layer flow of a marine propeller using a RANS solver". Ocean Engineering 211 (2020): 107633. http://dx.doi.org/10.1016/j.oceaneng.2020.107633.
    10.1016/j.oceaneng.2020.107633
  3. Baltazar, João. "Recent Developments in Computational Methods for the Analysis of Ducted Propellers in Open Water". Journal of Ship Research (2019): http://dx.doi.org/10.5957/josr.09180063.
    10.5957/josr.09180063
  4. Baltazar, João; Rijpkema, Douwe; Falcão de Campos, José; Bosschers, Johan. "Prediction of the Open-Water Performance of Ducted Propellers with a Panel Method". Journal of Marine Science and Engineering 6 1 (2018): 27. http://dx.doi.org/10.3390/jmse6010027.
    10.3390/jmse6010027
  5. Baltazar, J.; Rijpkema, D.; Falcão de Campos, J.. "On the use of the G-R˜eTt transition model for the prediction of the propeller performance at model-scale". Ocean Engineering 170 (2018): 6-19. http://www.scopus.com/inward/record.url?eid=2-s2.0-85054808097&partnerID=MN8TOARS.
    10.1016/j.oceaneng.2018.10.005
  6. Melo, D.B.; Baltazar, J.; Falcão de Campos, J.A.C.. "A numerical wake alignment method for horizontal axis wind turbines with the lifting line theory". Journal of Wind Engineering and Industrial Aerodynamics 174 (2018): 382-390. http://www.scopus.com/inward/record.url?eid=2-s2.0-85041505844&partnerID=MN8TOARS.
    10.1016/j.jweia.2018.01.028
  7. Baltazar, J.; Falcão De Campos, J.A.C.; Bosschers, J.. "Open-water thrust and torque predictions of a ducted propeller system with a panel method". International Journal of Rotating Machinery 2012 (2012): http://www.scopus.com/inward/record.url?eid=2-s2.0-84863641893&partnerID=MN8TOARS.
    10.1155/2012/474785
  8. Baltazar, J.; Falcão de Campos, J.A.C.. "Hydrodynamic analysis of a horizontal axis marine current turbine with a boundary element method". Journal of Offshore Mechanics and Arctic Engineering 133 4 (2011): http://www.scopus.com/inward/record.url?eid=2-s2.0-79953798409&partnerID=MN8TOARS.
    10.1115/1.4003387
  9. Baltazar, J.; De Campos, J.A.C.F.. "An iteratively coupled solution of the cavitating flow on marine propellers using BEM". Journal of Hydrodynamics 22 5 SUPPL. 1 (2010): 796-801. http://www.scopus.com/inward/record.url?eid=2-s2.0-78449291747&partnerID=MN8TOARS.
    10.1016/S1001-6058(10)60039-X
  10. "Generation de Mallas Estructuradas en Superficie". Información Tecnológica (2006):
    10.4067/S0718-07642006000300016
Distinctions

Award

2018 Top 15 most downloaded papers in 2018: "Prediction of the Open-Water Performance of Ducted Propellers with a Panel Method" by: João Baltazar, Douwe Rijpkema, J.A.C. Falcão de Campos, Johan Bosschers. J. Mar. Sci. Eng., Vol. 6, No. 1, 2018. Available onlin
MDPI AG, Switzerland
2013 Best Paper Award, Ocean Renewable Energy Symposium, OMAE 2012
The American Society of Mechanical Engineers, United States