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Contents

Fission Hypothesis of Binary Star Formation


Whitworth's (1981) Isothermal Free-Energy Surface
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Illustration

Figure 1
Droplet Fission

YouTube video:
Skylab Drop Dynamics Experiment (1975)

Figure 2
Theoretical Model
Brown & Scriven (1980)
(Journal of Fluid Mechanics, 276, 389)

Figure 4
USML-1 Experiment
Wang, Anilkumar, Lee & Lin (1994)
(Proc. Roy. Soc. London, 371, 331)

Figure 3
Hachisu & Eriguchi scenario
Hachisu & Eriguchi (1984)
(Astrophysics and Space Science, 99, 71)

Figure 5
Kimberly New simulation
Figure 10 from New & Tohline (1997)
(The Astrophysical Journal, 490, 311)

Related Discussions

Fission in Nuclear Physics

The nuclear physics community also draws an analogy between the fission of a rotating fluid drop and the spontaneous fission of atomic nuclei; see, for example, the figure associated with the Wikipedia discussion of the energetics of nuclear fission.

Drop Dynamics Experiments

[On 1 January 2014, J. E. Tohline wrote ...] As I was putting this chapter together, I had difficulty documenting the various drop dynamics experiments that have been conducted by astronauts in various Earth-orbiting (zero g) environments. Here is the relevant information that I have found, to date.

Skylab

Experiments showing the fission of liquid drops were evidently conducted during the Skylab 2, Skylab 3, and Skylab 4 missions (circa 1973-1974).

According to the Teacher's Guide mentioned above, the activities shown in the above-referenced films were carried out by three teams of Skylab Astronauts:

Skylab Astronauts

Kerwin blows water droplet from a straw


Skylab 2 (First Team)

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.

International Space Station

  • See the two "Gallery of Fluid Motions" mpg movies that accompany the preprint by Ueno et al. (2012).

Online References

Whitworth's (1981) Isothermal Free-Energy Surface

© 2014 - 2020 by Joel E. Tohline
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