Search results

Filters

  • Journals
  • Authors
  • Keywords
  • Date
  • Type

Search results

Number of results: 1
items per page: 25 50 75
Sort by:
Download PDF Download RIS Download Bibtex

Abstract

This paper concerns analytical considerations on a complex phenomenon which is diffusive-inertial droplet separation from the twophase vapour-liquid flow which occurs in many devices in the power industry (e.g. heat pumps, steam turbines, organic Rankine cycles, etc.). The new mathematical model is mostly devoted to the analysis of the mechanisms of diffusion and inertia influencing the distance at which a droplet separates from the two-phase flow and falls on a channel wall. The analytical model was validated based on experimental data. The results obtained through the analytical computations stay in a satisfactory agreement with available literature data.
Go to article

Bibliography

[1] Sedler B., Mikielewicz J.: A simplified analytical flow-boiling crisis mode. Trans. Inst. Fluid-Flow Mach. 76(1978), 3–10 (in Polish).
[2] Walley P., Hutchinson P., Hewitt G.F.: The calculation of critical heat flux in forced convection boiling. In: Proc. 5th Int. Heat Transfer Conf., Vol. II, Tokyo 1974.
[3] Kubski P., Mikielewicz J.: Approximated analysis of the drag force of the droplet evaporating within the fluid flow. Trans. Inst. Fluid-Flow Mach. 81(1981), 53–66 (in Polish).
[4] Mikielewicz J.: A simplified analysis of Magnus lift force impact on a small droplets separation from the two-phase flow. Trans. Inst. Fluid-Flow Mach. 75(1978), 63–71 (in Polish).
[5] Ranhiainen P.O., Stachiewicz J.W.: On the deposition of small particles from turbulent streams. J. Heat Transfer. 92(1970), 1, 169–177.
[6] Dolna O., Mikielewicz J.: Separation of droplets in the field of a boundary layer. J. Eng. Phys. Thermophys. 92(2019), 5, 1202–1206.
[7] Pourhashem H., Owen M.P., Castro N.D., Rostami A.A.: Eulerian modeling of aerosol transport and deposition in respiratory tract under thermodynamic equilibrium condition. J. Aerosol Sci. 141(2020), 105501.
[8] Worth Longest P., Xi J.: Computational investigation of particle inertia effects on submicron aerosol deposition in the respiratory tract. J. Aerosol Sci. 38(2007), l, 111–130.
[9] Wang Y., Yu Y., Hu D., Xu D., Yi L., Zhang Y., Zhang S.: Improvement of drainage structure and numerical investigation of droplets trajectories and separation efficiency for supersonic separators. Chem. Eng. Process. – Process Intensific. 151(2020), 107844.
[10] Ganic E.N., Rohsenow W.M.: Dispersed flow heat transfer. Int. J. Heat Mass Tran. 20(1977), 8, 855-866.
[11] Beek W.J., Muttzal K.M.: Transport Phenomena. Wiley 1975.
[12] Hutchinson P., Hewitt G.F., Ducler A.E.: Deposition of liquid or solid dispersions from turbulent gas stream: a stochastic model. Chem. Eng. Sci. 26(1971), 3, 419–439.
[13] Farmer R.A., Griffith P., Rohsenow W.M.: Liquid droplet deposition in twophase flow. J. Heat Transfer 92(1970), 4, 587–594.
[14] Forney L.J., Spielman L.A.: Deposition of coarse aerosols from turbulent flow. J. Aerosol Sci. 5(1974), 3, 257–271.
[15] Friedlander S.K., Johnstone H.F.: Deposition of suspended particles from turbulent gas streams. Ind. Eng. Chem. 49(1957), 7, 1151–1156.
[16] Ilori T.A.: Turbulent deposition of particles inside pipes. PhD thesis, Univ. Minnesota, Minneapolis – Saint Paul 1971.
[17] Sehmel G.A.: Aerosol deposition from turbulent airstreams in vertical conduits. Pacific Northwest Lab. Tech. Rep. BNWL-578, Richland 1968.
[18] McCoy D.D., Hanratty T.J.: Rate of deposition of droplets in annular two-phase flow. Int. J. Multiphas. Flow 3(1977), 4, 319–331.
Go to article

Authors and Affiliations

Jarosław Mikielewicz
1
Oktawia Dolna
1
Roman Kwidziński
1

  1. Institute of Fluid Flow Machinery, Polish Academy of Sciences, Fiszera 14, 80-231 Gdansk, Poland

This page uses 'cookies'. Learn more