Temat: integrated designing - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Fully Analytical Characterization of the Series Inductance of Tapered Integrated Inductors
Autorzy:: Passos, F.
Fino, M. H.
Moreno, E. R.
Powiązania:: https://bibliotekanauki.pl/articles/226450.pdf
Data publikacji:: 2014
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: inductor design
variable width integrated spiral inductor
integrated spiral inductor
CMOS analog circuits
IC designing
RF IC design
Opis:: In this paper a general method for the determination of the series inductance of polygonal tapered inductor s is presented. The value obtained can be integrated into any integrated inductor lumped element model, thus granting the overall characterization of the device and the evaluation of performance parameters such as the quality factor or the resonance frequency. In this work, the inductor is divided into several segments and the corresponding self and mutual inductances are calculated. In the end, results obtained for several working examples are compared against electromagnetic (EM) simulations are performed in order to check the validity of the model for square, hexagonal, octagonal and tapered inductors. The proposed method depends exclusively on the geometric characteristics of the inductor as well as the technological parameters. This allows its straight forward application to any inductor shape or technology.
Źródło:: International Journal of Electronics and Telecommunications; 2014, 60, 1; 73-77
2300-1933
Pojawia się w:: International Journal of Electronics and Telecommunications
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Designing of membrane contactors with cross-counter current flow
Autorzy:: Kołtuniewicz, A.B.
Modelski, S.
Witek, A.
Powiązania:: https://bibliotekanauki.pl/articles/952681.pdf
Data publikacji:: 2012
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: membrane contactor
sorption process
integrated processes of separation
designing
surface renewal theory
stycznik membranowy
proces sorpcji
zintegrowany proces separacji
projektowanie
teoria odnowienie powierzchni
Opis:: The knowledge about membrane contactors is growing rapidly but is still insufficient for a reliable designing. This paper presents a new type of membrane contactors that are integrated with one of the following ways of separation by using absorbents, micelles, flocculants, functionalized polymers, molecular imprints, or other methods that are based on aggregation. The article discusses methods for designing multi-stage cascade, usually counter-current. At every stage of this cascade, relevant aggregates are retained by the membrane, while the permeate passes freely through membrane. The process takes place in the membrane boundary layer with a local cross-flow of the permeate and the retentate. So the whole system can be called a cross-counter-current. The process kinetics “k” must be coordinated with the permeate flux “J” and the rate of surface renewal of the sorbent on the membrane surface, s. This can be done by using ordinary back-flushing or relevant hydrodynamic method of sweeping, such as: turbulences, shear stresses or lifting forces. A surface renewal model has been applied to adjust the optimal process conditions to sorbent kinetics. The experimental results confirmed the correctness of the model and its suitability for design of the new type of contactors.
Źródło:: Chemical and Process Engineering; 2012, 33, 4; 573-583
0208-6425
2300-1925
Pojawia się w:: Chemical and Process Engineering
Dostawca treści:: Biblioteka Nauki

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