Zobrazeno 1 - 10
of 120
pro vyhledávání: '"PIOTR DOERFFER"'
Publikováno v:
IET Renewable Power Generation, Vol 18, Iss 15, Pp 3285-3300 (2024)
Abstract Wind energy being a free source of energy is becoming popular over the past decades and is being studied extensively. Integration of wind turbines is now being expanded to urban and offshore settings in contrast to the conventional wind farm
Externí odkaz:
https://doaj.org/article/0cd7a6c67e904716a1a69b690e30d344
Autor:
Romana Ewa Śliwa, Paweł Dymora, Mirosław Mazurek, Bartosz Kowal, Michał Jurek, Damian Kordos, Tomasz Rogalski, Pawel Flaszynski, Piotr Doerffer, Krzysztof Doerffer, Stephen Grigg, Runar Unnthorsson
Publikováno v:
Inventions, Vol 7, Iss 1, p 18 (2022)
Present-day technologies used in SHM (Structural Health Monitoring) systems in many implementations are based on wireless sensor networks (WSN). In the context of the continuous development of these systems, the costs of the elements that form the mo
Externí odkaz:
https://doaj.org/article/c391df213ad24f6abb8b9feb7f29623c
Publikováno v:
Energies, Vol 14, Iss 10, p 2912 (2021)
Savonius rotors are large and heavy because they use drag force for propulsion. This leads to a larger investment in comparison to horizontal axis wind turbine (HAWT) rotors using lift forces. A simple construction of the Savonius rotor is preferred
Externí odkaz:
https://doaj.org/article/764f043883764394a73dd209a2af160e
Autor:
PAWEŁ FLASZYŃSKI, PIOTR DOERFFER
Publikováno v:
TASK Quarterly, Vol 22, Iss 3 (2018)
Externí odkaz:
https://doaj.org/article/63a8f769da6043ef824cd7ea70691ae0
Publikováno v:
Energies, Vol 12, Iss 13, p 2543 (2019)
The paper presents a new concept of a vertical axis wind turbine. The idea is focused on small wind turbines, and therefore, the dominating quality is safety. Another important necessary feature is efficient operation at small winds. This implies an
Externí odkaz:
https://doaj.org/article/4c673c05601b4d72af453a0e906d20c3
Autor:
MARCIN KUROWSKI, PIOTR DOERFFER
Publikováno v:
TASK Quarterly, Vol 19, Iss 2 (2015)
This paper presents the results of numerical investigations of a synthetic jet actuator for an active flow control system. The Moving Deforming-Mesh method as a boundary condition is used to capture the real physical phenomenon. This approach allows
Externí odkaz:
https://doaj.org/article/89b4cba9426e4d579471132ca0df1b0e
Publikováno v:
TASK Quarterly, Vol 19, Iss 2 (2015)
One of the main achievements of the PLGrid Plus project is the implementation of new tools and services designed for the numerical prediction of the aerodynamic performance of wind energy turbines. An innovative and unique integration tool (Aero-T) i
Externí odkaz:
https://doaj.org/article/34a9bfb4d95446d79fcd1be77ee8d9ff
Publikováno v:
TASK Quarterly, Vol 19, Iss 2 (2015)
The paper concerns the experimental investigations and numerical simulations of a high loaded model of a turbine blade. An increase in the blade load leads to enlargement of a local supersonic zone terminated by a shock wave on the suction side. The
Externí odkaz:
https://doaj.org/article/7f7216a8f14b47d79b16adad55fa617b
Publikováno v:
TASK Quarterly, Vol 19, Iss 2 (2015)
The paper presents the results of a numerical simulation of the flow and acoustic field generated by the PZL W3-A “Sokół” (Falcon) helicopter main rotor in high-speed forward flight conditions based on the URANS approach and the chimera overlap
Externí odkaz:
https://doaj.org/article/f3336bc6f2794c68ae468bed37c9590e
Publikováno v:
TASK Quarterly, Vol 19, Iss 2 (2015)
An application of parallel computation capabilities in the MATLAB language for the analysis of experimental data concerning the heat transfer coefficient on ribbed walls is presented in this paper. A description of the experimental study, mathematica
Externí odkaz:
https://doaj.org/article/e3836c25c0d245d79bcb3dadb39040b5