Temat: magneto-rheological fluid - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: A novel internal combustion engine without crankshaft and connecting rod mechanisms
Autorzy:: Fijałkowski, B.
Powiązania:: https://bibliotekanauki.pl/articles/247269.pdf
Data publikacji:: 2011
Wydawca:: Instytut Techniczny Wojsk Lotniczych
Tematy:: internal combustion engine
mechatronic commutator
nano-magneto-rheological fluid
Opis:: A novel internal combustion engine without a crankshaft and connecting rod mechanisms, which the author would like to present, is partially acting on another law of physics. The invention titled 'Nano-Magneto-Rheological Mechatronic Commutator Internal Combustion Engine', which is concisely termed the Fijalkowski engine by some, is based on a completely new propulsion engineering solution that has no analogies in the world. Thus, this paper focuses on a novel internal combustion, which may use a nano-magneto-rheological mechatronic commutator that may replace the crankshaft and connecting rod (conrod) mechanisms. This mechatronic commutator may let nano -magneto-rheological rotary ratchets oscillate in a controlled wobble while keeping the output shaft spinning smoothly; and although opposed pistons and opposed cylinders similar to those in automotive 'boxer' engines may power the Fijalkowski engine, it may also use opposed cylinders containing four pairs of two end-to-end opposed pistons for higher power densities. The nano-magneto-rheological mechatronic commutator is used for converting between one form of mechanical motion that is linear, reciprocating motion of pistons and another -- that is the rotary motion of the output shaft.
Źródło:: Journal of KONES; 2011, 18, 4; 91-104
1231-4005
2354-0133
Pojawia się w:: Journal of KONES
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Design and characterization of a soft magneto-rheological miniature shock absorber for a controllable variable stiffness sole
Autorzy:: Grivon, D.
Civet, Y.
Pataky, Z.
Perriard, Y.
Powiązania:: https://bibliotekanauki.pl/articles/141356.pdf
Data publikacji:: 2015
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: magneto-rheological fluid
miniaturization
soft shock absorber
design and characterization
Opis:: The proposed paper discusses the design and characterization of a soft miniature Magneto-Rheological (MR) shock absorber. In particular, the final application considered for the insertion of the designed devices is a controllable variable stiffness sole for patients with foot neuropathy. Such application imposes particularly challenging constraints in terms of miniaturization (cross-sectional area ≤ 1.5 cm2, height ≤ 25 mm) and high sustainable loads (normal loads up to 60 N and shear stresses at the foot/device interface up to 80 kPa) while ensuring moderate to low level of power consumption. Initial design considerations are done to introduce and justify the chosen novel configuration of soft shock absorber embedding a MR valve as the core control element. Successively, the dimensioning of two different MR valves typologies is discussed. In particular, for each configuration two design scenarios are evaluated and consequently two sets of valves satisfying different specifications are manufactured. The obtained prototypes result in miniature modules (external diam. ≤ 15 mm, overall height ≤ 30 mm) with low power consumption (from a minimum of 63 mW to a max. of 110 mW) and able to sustain a load up to 65 N. Finally, experimental sessions are performed to test the behaviour of the realized shock absorbers and results are presented.
Źródło:: Archives of Electrical Engineering; 2015, 64, 4; 547-558
1427-4221
2300-2506
Pojawia się w:: Archives of Electrical Engineering
Dostawca treści:: Biblioteka Nauki

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