Zobrazeno 1 - 10
of 87
pro vyhledávání: '"Robert C Youngquist"'
Publikováno v:
Measurement Science and Technology. 34:025404
The sensitivity matrix, used in electrical capacitance tomography to connect capacitance readings to a dielectric distribution, is derived without assumptions on the magnitude of the relative permittivity and without dropping higher order terms. Deri
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::41461878861d99ff92362d17749cff6d
https://doi.org/10.1088/1361-6501/aca0b1
https://doi.org/10.1088/1361-6501/aca0b1
Publikováno v:
American Journal of Physics. 86:443-452
Modeling the interaction between a non-uniform magnetic field and a rotating conductive object provides insight into the drag force, which is used in applications such as eddy current braking and linear induction motors, as well as the transition to
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ca0e055dec4a42adfcf41e0b7481a5d6
https://doi.org/10.1119/1.5024220
https://doi.org/10.1119/1.5024220
Publikováno v:
Journal of Spacecraft and Rockets. 55:622-631
This paper describes a thermal control coating that should allow non–heat-generating objects, such as cryogenic tanks and superconductors, to reach and maintain cryogenic temperatures in deep space...
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::09155df0666797772d26e775f77977bf
https://doi.org/10.2514/1.a34019
https://doi.org/10.2514/1.a34019
Publikováno v:
American Journal of Physics. 85:596-610
Modeling the interaction between a moving conductor and a static magnetic field is critical to understanding the operation of induction motors, eddy current braking, and the dynamics of satellites moving through Earth's magnetic field. Here, we devel
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::06b5faad87bd168a9d273d8f5eec99a8
https://doi.org/10.1119/1.4984810
https://doi.org/10.1119/1.4984810
Publikováno v:
Acta Astronautica. 122:1-9
A magnetic field approach is presented whereby a large number of closely located satellites can be positioned and oriented relative to each other, but can also be tracked in six degrees of freedom. This is accomplished by using frequency-multiplexed
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::491340744aeab1673361a79f916c818c
https://doi.org/10.1016/j.actaastro.2016.01.010
https://doi.org/10.1016/j.actaastro.2016.01.010
Publikováno v:
American Journal of Physics. 84:181-191
Modeling the interaction of a slowly rotating hollow conducting sphere in a magnetic field provided an understanding of the dynamics of orbiting space objects moving through the Earth's magnetic field. This analysis, performed in the late 1950s and l
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::da21bc2b5d7956861578c56ee0bb023b
https://doi.org/10.1119/1.4936633
https://doi.org/10.1119/1.4936633
Publikováno v:
IEEE Sensors Journal. 15:2412-2418
Gas sensors have been demonstrated based on the conductivity changes in ultrathin films. These sensors operate in a regime where three different physical phenomena determine the total resistivity of the film; quantum mechanical coupling between metal
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::46017c698bbb4eade632b74ffc057c33
https://doi.org/10.1109/jsen.2014.2379012
https://doi.org/10.1109/jsen.2014.2379012
Publikováno v:
IEEE Sensors Journal. 14:3775-3781
This paper will present current efforts on wireless passive surface acoustic wave (SAW) sensor transceiver development for aerospace applications. Our group's SAW sensor work has been sponsored by NASA for the past ten years in efforts to develop wir
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::571dc719f0c2efe7a9cf7b5de6de3063
https://doi.org/10.1109/jsen.2014.2329179
https://doi.org/10.1109/jsen.2014.2329179
Publikováno v:
International Journal of Hydrogen Energy. 39:9545-9551
The detection of hydrogen fires is important to the aerospace community. The National Aeronautics and Space Administration (NASA) has devoted significant effort to the development, testing, and installation of hydrogen fire detectors based on ultravi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e9170659bf6138802bb0efa88d959a34
https://doi.org/10.1016/j.ijhydene.2014.04.043
https://doi.org/10.1016/j.ijhydene.2014.04.043
Publikováno v:
Acta Astronautica. 94:132-138
NASA is concerned with protecting astronauts from the effects of galactic cosmic radiation and has expended substantial effort in the development of computer models to predict the shielding obtained from various materials. However, these models were
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c913160e8d8631c12522201e1849fbe5
https://doi.org/10.1016/j.actaastro.2013.08.010
https://doi.org/10.1016/j.actaastro.2013.08.010