Liquid helium motion and confinement for a cryogenic gravimetric mission

Details Liquid helium motion and confinement for a cryogenic gravimetric mission Liquid helium motion and confinement for a cryogenic gravimetric mission

Oct 2003

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003adspr..32.1361v&link_type=abstract

Advances in Space Research, Volume 32, Issue 7, p. 1361-1366.

Computer Science

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Scientific paper

Within the Gravity Field and Ocean Circulation Explorer (GOCE) mission of the European Space Agency, we are performing a detailed comparison between the expected performances of a superconducting gravity gradiometer to be operated at T ~ 2K and an electrostatic one to be operated at room temperature. As part of this analysis we have evaluated the gravitational perturbation due to liquid helium motion for the cryogenic instrument and proposed a possible method of helium confinement based on the use of aerogel.

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