| Direct-drive permanent magnet generators for high-power wind turbines: benefits and limiting factors RS Semken, M Polikarpova, P Röyttä, J Alexandrova, J Pyrhönen, J Nerg, ... IET Renewable Power Generation 6 (1), 1-8, 2012 | 212 | 2012 |
| Direct liquid cooling for an outer‐rotor direct‐drive permanent‐magnet synchronous generator for wind farm applications M Polikarpova, P Ponomarev, P Röyttä, S Semken, Y Alexandrova, ... IET Electric Power Applications 9 (8), 523-532, 2015 | 46 | 2015 |
| Optimising the refrigeration cycle with a two-stage centrifugal compressor and a flash intercooler P Röyttä, T Turunen-Saaresti, J Honkatukia International Journal of Refrigeration 32 (6), 1366-1375, 2009 | 39 | 2009 |
| Effect of vaneless diffuser width on the overall performance of a centrifugal compressor A Jaatinen, A Grönman, T Turunen-Saaresti, P Röyttä Proceedings of the Institution of Mechanical Engineers, Part A: Journal of …, 2011 | 38 | 2011 |
| Predicting off-design range and performance of refrigeration cycle with two-stage centrifugal compressor and flash intercooler T Turunen-Saaresti, P Röyttä, J Honkatukia, J Backman international journal of refrigeration 33 (6), 1152-1160, 2010 | 32 | 2010 |
| Effects of different blade angle distributions on centrifugal compressor performance P Röyttä, A Grönman, A Jaatinen, T Turunen-Saaresti, J Backman International Journal of Rotating Machinery 2009, 2009 | 30 | 2009 |
| Experimental study of centrifugal compressor vaneless diffuser width A Jaatinen-Värri, P Röyttä, T Turunen-Saaresti, A Grönman Journal of mechanical science and technology 27, 1011-1020, 2013 | 26 | 2013 |
| Thermal design and analysis of a direct-water cooled direct drive permanent magnet synchronous generator for high-power wind turbine application M Polikarpova, P Röyttä, J Alexandrova, S Semken, J Nerg, J Pyrhönen 2012 XXth International Conference on Electrical Machines, 1488-1495, 2012 | 24 | 2012 |
| Experimental study of centrifugal compressor tip clearance and vaneless diffuser flow fields A Jaatinen-Värri, T Turunen-Saaresti, P Röyttä, A Grönman, J Backman Proceedings of the Institution of Mechanical Engineers, Part A: Journal of …, 2013 | 19 | 2013 |
| Experimental study of the effect of the tip clearance to the diffuser flow field and stage performance of a centrifugal compressor A Jaatinen, T Turunen-Saaresti, A Grönman, P Röyttä, J Backman Turbo Expo: Power for Land, Sea, and Air 44748, 641-648, 2012 | 16 | 2012 |
| Simulation of the spherical orientation probability distribution of paper fibers in an entire suspension using immersed boundary methods T Johnson, P Röyttä, A Mark, F Edelvik Journal of Non-Newtonian Fluid Mechanics 229, 1-7, 2016 | 13 | 2016 |
| Influence of the axial turbine design parameters on the stator–rotor axial clearance losses A Grönman, T Turunen-Saaresti, P Röyttä, A Jaatinen-Värri Proceedings of the Institution of Mechanical Engineers, Part A: Journal of …, 2014 | 12 | 2014 |
| Performance and flow fields of a supersonic axial turbine at off-design conditions A Grönman, T Turunen-Saaresti, P Röyttä, A Jaatinen, J Backman Proceedings of the Institution of Mechanical Engineers, Part A: Journal of …, 2013 | 12 | 2013 |
| The tip clearance effects on the centrifugal compressor vaneless diffuser flow fields at off-design conditions A Jaatinen-Värri, T Turunen–Saaresti, A Grönman, P Röyttä, J Backman 10 th European Conference on Turbomachinery Fluid dynamics & Thermodynamics, 2013 | 12 | 2013 |
| Study of a vapor-compression air-conditioning system for jetliners P Röyttä Lappeenranta University of Technology, 2009 | 11 | 2009 |
| Electric machine with modular stator coils and cooling tubes J Pyrhönen, J Nerg, H Jussila, Y Alexandrova, M Polikarpova, ... US Patent 9,712,011, 2017 | 9 | 2017 |
| Sensorless method for detecting surge in variable-speed-driven fan systems J Tamminen, T Ahonen, J Ahola, A Jaatinen, P Röyttä Ternational Conference on Condition Monitoring and Machinery Failure …, 2012 | 4 | 2012 |
| Thermal design and analysis of a direct-water-cooled permanent magnet synchronous generator for a high power direct drive wind turbine applications M Polikarpova, P Röyttä, S Semken, J Nerg, J Pyrhönen ICREPQ 11, 1488-1495, 2010 | 4 | 2010 |
| Centrifugal Compressor Working Fluids for Refrigeration Cycle P Ro¨ ytta¨, J Honkatukia, T Turunen-Saaresti Turbo Expo: Power for Land, Sea, and Air 48852, 89-97, 2009 | 2 | 2009 |
| Liquid internal cooling of electric machine windings in arctic conditions P Röyttä, M Polikarpova, J Nerg, J Pyrhönen The XIX International Conference on Electrical Machines-ICEM 2010, 1-5, 2010 | 1 | 2010 |
Pyrhönen JuhaLappeenranta University of TechnologyVerified email at lut.fi
