A Novel Device Addressing Design Challenges for Passive Fluid Phase Separations Aboard Spacecraft

Original Article

Abstract

Capillary solutions have long existed for the control of liquid inventories in spacecraft fluid systems such as liquid propellants, cryogens and thermal fluids for temperature control. Such large length scale, ‘low-gravity,’ capillary systems exploit container geometry and fluid properties—primarily wetting—to passively locate or transport fluids to desired positions for a variety of purposes. Such methods have only been confidently established if the wetting conditions are known and favorable. In this paper, several of the significant challenges for ‘capillary solutions’ to low-gravity multiphase fluids management aboard spacecraft are briefly reviewed in light of applications common to life support systems that emphasize the impact of the widely varying wetting properties typical of aqueous systems. A restrictive though no less typifying example of passive phase separation in a urine collection system is highlighted that identifies key design considerations potentially met by predominately capillary solutions. Sample results from novel scale model prototype testing aboard a NASA low-g aircraft are presented that support the various design considerations.

Keywords

Capillary flow Microgravity Partial wetting Capillary vane structures Passive phase separations Two-phase flow Aqueous systems Life support systems Urine Processing 

References

  1. Amarouchene, Y., Cristobal, G., Kellay, H.: Noncoalescing drops. Phys. Rev. Lett. 87(20), November (2001)Google Scholar
  2. Bach, G.A., Koch, D.L., Gopinath, A.: Coalescence and bouncing of small aerosol droplets. J. Fluid. Mech. 518, 157–185, November (2004)MATHCrossRefGoogle Scholar
  3. Barajas, A.M., Panton, R.L.: The effects of contact angle on two-phase flow in capillary tubes. Int. J. Multiph. Flow 19(2), 337–346 (1993)MATHCrossRefGoogle Scholar
  4. Best, F., Ellis, M.: Experimental and analytical results of a liquid-gas separator in microgravity. In: AIP Conference Proceedings, Space Technology and Applications International Forum, vol. 458, pp. 779–784, January 22 (1999)Google Scholar
  5. Blanchette, F., Bigioni, T.P.: Partial coalescence of drops at liquid interfaces. Nat. Phys. 2, 254 (2006)CrossRefGoogle Scholar
  6. Chato, D.J., Martin, T.A.: Vented tank resupply experiment: flight test results. AIAA J Spacecraft Rockets 43(5), 1124–1130, September–October (2006)CrossRefGoogle Scholar
  7. Concus, P., Finn, R.: Capillary surface in microgravity, in low-gravity fluid dynamics and transport phenomena. In: Progress in Astronautics and Aeronautics, vol. 130, pp. 183–204. AIAA, Washington (1990)Google Scholar
  8. Gilet, T., Mulleners, K., Lecomte, J.P., Vandewalle, N., Dorbolo, S.: Critical parameters for the partial coalescence of a droplet. Phys. Rev. E 75(3), 036303, March (2007)CrossRefGoogle Scholar
  9. Hamilton-Sundstrand: Hamilton Sundstrand System Solutions—Gas/Liquid Separation. Retrieved September 23, 2007, from: http://www.snds.com/ssi/ssi/SystemSolutions/gasliquidsep.html. (2003)
  10. Hasan, M.M., Balasubramaniam, R.: Thermocapillary migration of a large gas slug in a tube. J. Thermophys. Heat Transf. 3(1), 87–89, January (1989)CrossRefGoogle Scholar
  11. Jaekle, D.E. Jr.: Propellant management device conceptual design and analysis: vanes. In: AIAA/SAE/ASME/ASEE 27th Joint Propulsion Conference, AIAA-91-2172, June 24–26, Sacramento, CA (1991)Google Scholar
  12. Jayawardena, S.S., Balakotaiah, V.: Flow pattern transition maps for microgravity two-phase flows. AIChE J. 43(6), 1637–1640, June (1997)CrossRefGoogle Scholar
  13. Klatte, J., Haake, D., Weislogel, M.M., Dreyer, M.: A fast numerical procedure for steady capillary flow in open channel. J Acta Mechanica (2008, in press)Google Scholar
  14. Marchetta, J., Winter, A., Hochstein, J.: Simulation and prediction of realistic magnetic positive positioning for space based fluid management systems. In: AIAA-2004-1151, 42nd AIAA Aerospace Sciences Meeting and Exhibit, Reno, Nevada, January 5–8 (2004)Google Scholar
  15. Oeftering, R.C., Chato, D.J., Mann, A. III: Liquid propellant manipulated acoustically, research and technology. NASA/TM-2003-211990 (2002)Google Scholar
  16. Ozbolt, T.A.: US Lab Architecture Control Document, Vol. 7: Temperature and Humidity Control, Revision New, D683-14719-1-7, Boeing Defense and Space Group, Missile & Space Division, Huntsville, Alabama, December 20 (1996)Google Scholar
  17. Pettit, D.R.: Waves in a large free sphere of water on the International Space Station. Phys. Fluids. In: 22nd Annual Gallery of Fluid Motion, September, (2005). (see also http://exploration.grc.nasa.gov/balloon/blob.htm)
  18. Phillips, A.L., Fale, J.E., Gernert, N.J., Sarraf, D.B., Bienert, W.J.: Loop heat pipe qualification for high vibration and high-g environments. In: AIAA-1998-885, Aerospace Sciences Meeting and Exhibit, 36th, Reno, NV, January 12–15 (1998)Google Scholar
  19. Prins, M.W.J., Welters, W.J.J., Weekamp, J.W.: Fluid control in multichannel structures by electrocapillary pressure. Science 291(5502), 277–280, January 12 (2001)CrossRefGoogle Scholar
  20. Rollins, J.R., Grove, R.K., Jaekle, D.E. Jr.: Twenty three years of surface tension propellant management system design, development, manufacture, test, and operation. In: AIAA/SAE/ASME/ASEE 21st Joint Propulsion Conference, AIAA-85-1199, Monterey, CA, July 8–10, (1985)Google Scholar
  21. Rongy, L., De Wit, A.: Steady marangoni flow traveling with chemical fronts. J. Chem. Phys. 124, 164705 (2006)CrossRefGoogle Scholar
  22. Satterlee, H.M., Hollister, M.P.: Low-G liquid propellant behavior, engineers handbook. LMSC-A874831, NAS 9-5174, May (1967)Google Scholar
  23. Su, S.K., Lai, C.L.: Interfacial shear-stress effects on transient capillary wedge flow. Phys. Fluids. 16(6), 2033–2043 (2004)CrossRefGoogle Scholar
  24. Tilton, D., Tilton, C.: Entrained droplet separator. US Pat. No. 5,314,529, May 24 (1994)Google Scholar
  25. Weislogel, M.M.: Survey of present and future challenges in low-g fluids transport processes. NASA contract report C-74461-N, TDA Research, Wheat Ridge, CO (2001)Google Scholar
  26. Weislogel, M.M.: Some analytical tools for fluids management in space: isothermal capillary flows along interior corners. Adv. Space Res. 32(2), 163–170 (2003)CrossRefGoogle Scholar
  27. Weislogel, M.M., Collicott, S.H.: Capillary re-wetting of vaned containers: spacecraft tank rewetting following thrust resettling. AIAA J. 42(12), 2551–2607, December (2004)CrossRefGoogle Scholar
  28. Weislogel, M.M., Lichter, S.: Capillary flow in interior corners. J. Fluid Mech. 373, 349–378, November (1998)MATHCrossRefMathSciNetGoogle Scholar
  29. Weislogel, M.M., McQuillen, J.B.: Hydrodynamic dryout in two-phase flows: observations of low bond number systems, space technology and applications int. forum (STAIF-98). Albuquerque, NM, AIP Conf. Proc. 420(1), 413–421, January (1998)CrossRefGoogle Scholar
  30. Weislogel, M.M., Weir, T., Dreyer, M.: Capillary solutions: passive containment and transport for low-g fluids systems, Habitation 2006. Int. J. for Human Support Research 10(3/4), 244 February (2006)Google Scholar
  31. Weislogel, M., Jenson, R., Klatte, J., Dreyer, M.: Interim results from the capillary flow experiment aboard ISS: the moving contact line boundary condition. AIAA-2007–747, 45th AIAA Aerospace Sci. Meeting and Exhibit, Reno, Nevada, January 8–11 (2007)Google Scholar

Copyright information

© Springer Science+Business Media B.V. 2008

Authors and Affiliations

  1. 1.Portland State UniversityPortlandUSA
  2. 2.NASA Johnson Space CenterHoustonUSA

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