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===Space Shuttle Flights=== Experiments illustrating the dynamical behavior of liquid drops were conducted during several space shuttle missions. Some experiments were performed inside the European Space Agency's "spacelab module" and others were performed with the aid of a "Drop Physics Module (DPM)" inside the United States Microgravity Laboratory (USML), each being a "portable" laboratory that was housed in the shuttle's payload bay. * [[File:Sts51b_patch.jpg|100px|right|Spacelab 3]]Wang, Trinh, Croonquist, and Elleman (1986; [http://adsabs.harvard.edu/abs/1986PhRvL..56..452W Physical Review Letters, 56, 452]) report results from a controlled drop dynamics experiment that was conducted during the "Spacelab III mission" (see the final acknowledgement paragraph of their paper), which took place during shuttle flight [http://en.wikipedia.org/wiki/STS-51-B STS-51-B (29 April - 6 May 1985)]. Taylor Wang — one of the authors of this ''PRL'' publication — flew as one of the seven members of the space shuttle crew, specifically as Payload Specialist 2. His narrated account of some of the experimental activities is available, beginning at 7 minutes 32 seconds into the [http://www.nss.org/resources/library/shuttlevideos/shuttle17.htm STS-51B "Post Flight Presentation" video]. * [[File:fluid_drop.jpg|100px|right|frame|USML-1 Droplet Fission]]Another mission — [http://www.nasa.gov/mission_pages/shuttle/shuttlemissions/archives/sts-50.html USML-1 during shuttle flight STS-50] — took place in early 1992. According to [http://www.jpl.nasa.gov/releases/95/release_1995_9571.html information provided by NASA/JPL's public information office], "… the transition of rotating liquid drops into a 'dog-bone,' or two-lobed shape, was studied in detail …" As can be seen, beginning at 2 minutes 28 seconds into the [http://www.nss.org/resources/library/shuttlevideos/shuttle48.htm STS-50 "Post Flight Presentation" video], Eugene Trinh flew was one of the members of this shuttle mission who conducted these DMP experiments. Detailed results from DPM experiments during the USML-1 mission have been published in the Journal of Fluid Mechanics: T. G. Wang, A. V. Anilkumar, C. P. Lee and K. C. Lin (1994). ''Bifurcation of rotating liquid drops: results from USML-1 experiments in Space.'' [http://dx.doi.org/10.1017/S0022112094002612 Journal of Fluid Mechanics, 276, pp 389-403] * I think that the three-frame black & white image shown here on the right presents a result from mission USML-1. That is how this image is referenced in an [http://www.phys.lsu.edu/astro/movie_captions/fission.html online discussion of fission] that I put together about a decade ago. * Yet another mission — [http://www.nasa.gov/mission_pages/shuttle/shuttlemissions/archives/sts-73.html USML-2 during shuttle flight STS-73] — took place in the fall of 1995. Some additional drop dynamics experiments were conducted during this mission — see, for example, about 7 minutes and 40 seconds into the [http://www.nss.org/resources/library/shuttlevideos/shuttle72.htm STS-73 "Post Flight Presentation" video]. Lee, Anilkumar, Hmelo, & Wang (1998; [http://adsabs.harvard.edu/abs/1998JFM...354...43L Journal of Fluid Mechanics, 354, 43]) report results from these controlled drop dynamics experiments.
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