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Autor:
C Minas
Publikováno v:
Cryogenics. 39:617-626
A model describing a dynamic system subjected to repetitive impulse was developed. The methodology presented addressed the specific case where the impulse repetition occurred at equal time intervals. The methodology was illustrated through an example
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::cd9c623aa950fb08ba3fd6de1cd5f890
https://doi.org/10.1016/s0011-2275(99)00080-6
https://doi.org/10.1016/s0011-2275(99)00080-6
Autor:
E.T. Laskaris, C. Minas
Publikováno v:
IEEE Transactions on Appiled Superconductivity. 5:173-176
The structural design and analysis of a cryogen-free open superconducting magnet for interventional MRI applications is presented. The magnet assembly consisted of two identical halves connected together by four posts. The magnet separation allows a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7ab06dc50294a70bf9a9bfd78c5d2567
https://doi.org/10.1109/77.402517
https://doi.org/10.1109/77.402517
Autor:
C. Minas
Publikováno v:
Cryogenics. 35:659-664
The motional heat loss of a Gifford-McMahon (G-M) cryorefrigerator was calculated by a finite difference formulation. The two-dimensional axisymmetric finite difference model consisted of a set of equations describing the transient heat transfer in t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::af8bb7a94df2d646d3497543a5f3e922
https://doi.org/10.1016/s0011-2275(99)80007-1
https://doi.org/10.1016/s0011-2275(99)80007-1
Autor:
C. Minas
Publikováno v:
Cryogenics. 34:271-276
A non-linear model describing the dynamics, fluid dynamics and thermodynamics of a dynamically balanced Gifford-McMahon (G-M) cryorefrigerator has been developed. The cryorefrigerator consists of two horizontally opposed first- and second-stage displ
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e199ffa4bb9cd382c504630c183905c4
https://doi.org/10.1016/0011-2275(94)90106-6
https://doi.org/10.1016/0011-2275(94)90106-6
Autor:
C. Minas
Publikováno v:
Cryogenics. 34:37-41
A dynamic model describing the dynamics, fluid dynamics and thermodynamics of a Stirling cryorefrigerator has been developed. The approach presented in this paper was to divide the system into several control volumes and develop a system of dynamic e
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2e753b63ed26a0748e63c29168ccea37
https://doi.org/10.1016/0011-2275(94)90050-7
https://doi.org/10.1016/0011-2275(94)90050-7
Autor:
C. Minas
Publikováno v:
Journal of Vibration and Acoustics. 116:79-84
Two modeling methodologies of the dynamics of a motor-compressor system are presented. The first approach considered only the mechanical system subjected to a sinusoidal input force with the pressure term in the equation of motion treated as a nonlin
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3503c312bcc62d28c9961b81b95e6f33
https://doi.org/10.1115/1.2930401
https://doi.org/10.1115/1.2930401
Autor:
C. Minas, M.E. Vermilyea
Publikováno v:
IEEE Transactions on Applied Superconductivity. 3:444-447
A novel refrigerated superconducting magnet design for application to magnetic levitation vehicles for US transportation is presented. The magnet requires no liquid cryogens and offers improved size, weight, and reliability relative to conventional l
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a22c44a140bcda11d4f16ce1ad176046
https://doi.org/10.1109/77.233739
https://doi.org/10.1109/77.233739
Autor:
C. Minas
Publikováno v:
Cryogenics. 32:1125-1130
A parametric analysis was carried out in order to examine the effect on the cooling capacities of the two stages of a commercial pneumatically driven cryorefrigerator, caused by a variation of several design parameters of the cryorefrigerator. The an
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::653b6c85b112544589c91ba74d303b5e
https://doi.org/10.1016/0011-2275(92)90326-6
https://doi.org/10.1016/0011-2275(92)90326-6
Autor:
C. Minas, P.M. Hualde
Publikováno v:
Cryogenics. 32:634-639
The dynamic characteristics of a pneumatically driven Gifford-McMahon cryorefrigerator are modelled when the cryorefrigerator is operating in the steady state regime. The mathematical model, which includes dynamic, fluid dynamic and thermodynamic eff
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::12e56d398338d6039e8a43be89273db7
https://doi.org/10.1016/0011-2275(92)90295-l
https://doi.org/10.1016/0011-2275(92)90295-l