Thermal Engineering

, Volume 62, Issue 4, pp 299–309 | Cite as

Specific features of steam condensation inside tubes and channels

  • O. O. Mil’man
  • V. A. Fedorov
  • A. V. Kondrat’ev
  • A. V. Ptakhin
Heat and Mass Transfer and Properties of Working Fluids and Materials


The results of theoretical and experimental investigations revealed a dependence between the parameters of steam condensation process in tubes and channels on the coolant flow pattern: counter flow, forward flow, and cross flow. The loss of total steam pressure in case of counter flow is higher than it is in case of using a forward or cross flow pattern. During condensation, superheated steam retains its superheated state over the entire tube length if the steam quality at the outlet x 1 > 0, and the superheating temperature depends on the coolant flow pattern. A method for calculating the pressure loss to steam temperature ratio as a function of coolant flow pattern is developed, which is confirmed by experimental data. The ratio \(\frac{{kF}} {{cG}} \) or its versions (where c and G are the specific heat capacity and flow rate of coolant) should be regarded as the main parameter in generalizing data.


steam condensation tube superheating supercooling velocity pressure loss friction steam quality 


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Copyright information

© Pleiades Publishing, Inc. 2015

Authors and Affiliations

  • O. O. Mil’man
    • 1
  • V. A. Fedorov
    • 1
  • A. V. Kondrat’ev
    • 1
  • A. V. Ptakhin
    • 1
  1. 1.Turbocon Research and Production Inculcation EnterpriseKalugaRussia

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