Temat: Magnus effect - Prolib Integro

Skocz do pozycji: 1.

Tytuł:: CFD simulation study of air flow around the airfoil using the Magnus effect
Autorzy:: Sokołowski, P.
Czarnigowski, J.
Magryta, P.
Tematy:: Magnus effect
simulation
air flow; Pokaż więcej
Wydawca:: Polskie Towarzystwo Promocji Wiedzy
Powiązania:: https://bibliotekanauki.pl/articles/117936.pdf Link otwiera się w nowym oknie
Opis:: The article presents a simulation study of air flow around the airfoil equipped with an additional rotary element, using the Magnus effect to change the air flow around it. For this purpose, a two-dimensional computational model for the airfoil without and with the moving element was made. The model was based on the airfoil NACA 8-H-12. The article describes a method of creating a model in two versions: without moving computational grid and with moving computational grid. Studies were carried out for a typical flow rate corresponding to the flow velocity around the gyroplane in a nominal flight speed conditions. Article shows a comparison of flows in both cases, and assesses the impact of the geometry that use the Magnus effect on the work of airfoil.
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Parametric study on the flow field generated by river barge bow steering systems
Autorzy:: Abramowicz-Gerigk, Teresa
Burciu, Zbigniew
Jachowski, Jacek
Tematy:: Magnus effect
bow rotor steering system
river barge
flow field
CFD; Pokaż więcej
Wydawca:: Akademia Morska w Szczecinie. Wydawnictwo AMSz
Powiązania:: https://bibliotekanauki.pl/articles/135334.pdf Link otwiera się w nowym oknie
Opis:: Low controllability under strong winds presents a problem for the operation of inland vessels, which can be improved using passive bow rudders and transverse thrusters. Bow thrusters can sufficiently improve the manoeuvrability at low speeds, but an unsolved problem is course maintaining and yaw checking of a vessel at medium and high speeds. This paper proposes the use of a bow steering system in which the bow rotors generate a Magnus force. The first physical test model of the system showed promising results and that much more research must be performed before this system can be used in industrial applications. The paper presents the results of a numerical study on the flow field generated by bow rotors. The first stage of a ship’s turn using the bow rotors was used to determine the dependence of the expected steering force on the inflow velocity and rotational speed of the rotors. The influence of the flow generated by the bow steering system on river banks and quay walls during manoeuvres was also discussed.
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 3.

Tytuł:: Badania modelowe w tunelu aerodynamicznym wirników wiatrowych typu Magnusa o poziomej osi obrotu
Wind tunnel model tests of Magnus type wind rotors with a horizontal rotation axis
Autorzy:: Matys, P.
Flaga, A.
Tematy:: efekt Magnusa
siłownie wiatrowe
wirnik wiatrowy
wirujący cylinder
Magnus effect
wind turbines
wind rotor
rotating cylinder; Pokaż więcej
Wydawca:: Politechnika Lubelska. Wydawnictwo Politechniki Lubelskiej
Powiązania:: https://bibliotekanauki.pl/articles/390691.pdf Link otwiera się w nowym oknie
Opis:: Praca przedstawia wyniki badań eksperymentalnych w tunelu aerodynamicznym wirników typu Magnusa o poziomej osi obrotu. Najpierw przeprowadzono pomiary aerodynamicznej siły bocznej (nośnej) oraz oporu aerodynamicznego na wirującym walcu dołączonym do wagi aerodynamicznej. Następnie wykonano badania wirnika jednołopatowego z przeciwwagą.
The paper presents results of wind tunnel tests of horizontal axis wind rotors of Magnus type. Firstly, measurements of aerodynamic side (lift) force and aerodynamic drag on rotating cylinder attached to horizontal aerodynamic balance were performed. Secondly, the model of single-blade rotor with counterbalance was tested.
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 4.

Tytuł:: Improvement of manoeuvring properties of inland navigation units by using the magnus effect
Autorzy:: Burciu, Z.
Tematy:: inland navigation
marine safety improvements
manoeuvring
safety climate
Inland Waterway Transport
manoeuvring assessment
accident prevention measure
magnus effect; Pokaż więcej
Wydawca:: Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
Powiązania:: https://bibliotekanauki.pl/articles/59123379.pdf Link otwiera się w nowym oknie
Opis:: Due to the ongoing climate change, the European Commission is implementing the promotion of inland waterway transport. By creating favourable conditions for the further development of the sector, the Commission hopes to encourage more companies to use this mode of transport. The policy to promote inland waterway transport in Europe is encapsulated in the NAIADES Action Programme. Carriage of goods by inland waterways is climate-friendly and energy-efficient and can significantly contribute to sustainable mobility in Europe. The European Commission believes that transport by inland waterways must be better used in order to relieve heavily congested transport corridors. In inland navigation, we are dealing with water areas of relatively small depths, therefore the units - pushed convoys carrying out the transport task in these areas have a shallow draft. The small draft of the units, as well as the shape of the hull, which is flat-bottomed, makes such a unit very sensitive to hydro-meteorological conditions. At the same time, the shape of the underwater part of the hull greatly influences the maneuverability of the vessel, especially when turning, taking up a large maneuvering space. The number of inland waterway accidents and claims for damages has been increasing year by year since 2014. The value of claims for damages is also growing. According to Paul Goris, President of the IWT Platform, "The inland shipping sector is on the verge of a major transformation in terms of sustainability and digitalisation. This requires further development of standards and certain security requirements".
Dostawca treści:: Biblioteka Nauki

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